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Caterpillar cat 235 c excavator (prefix 5af) service repair manual (5af00001 and up)

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1) The document provides instructions for removing and installing a fuel filter base and removing a fuel transfer pump from a Caterpillar 235C excavator. 2) The fuel filter base removal procedure involves using a strap wrench to remove the filter, disconnecting a fuel line, and removing two bolts and the base. Installation is the reverse. 3) Removing the fuel transfer pump requires turning off the fuel supply, removing two tubes and two bolts, and removing the pump.

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Service Repair Manual Model 235C EXCAVATOR
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00917143 Fuel Filter Base - Remove and Install SMCS - 1262-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 2P-8250 Strap Wrench Assembly 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Dispose of all fluids according to local regulations and mandates. Illustration 1 g00468389 1. Use Tool (A) to remove fuel filter (4) . 2. Disconnect fuel line (1) from fuel filter base (2) . 3. Remove two bolts (3), the washers, fuel filter base (2) and the gasket from the fuel injection pump housing. Installation Procedure Table 2 Required Tools Tool Part Number Part Description Qty A 2P-8250 Strap Wrench Assembly 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 2 g00468389 Note: Check the condition of the gaskets. If the gaskets are worn or damaged, use new parts for replacement. 1. Install the gasket, fuel filter base (2), the washers and two bolts (3) on the fuel injection pump housing. 2. Connect fuel line (1) to fuel filter base (2) . 3. Use Tool (A) to install fuel filter (4) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:19:12 UTC+0800 2019 3/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00905874 Fuel Transfer Pump - Remove SMCS - 1256-011 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00462112 1. Turn the fuel supply line valve to the OFF position. 2. Remove tube assembly (2) and tube assembly (4) from fuel transfer pump (3) . 3. Remove bolts (1) and (5) from fuel transfer pump (3). Remove fuel transfer pump (3) and the O-ring seal. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:20:08 UTC+0800 2019 2/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01003268 Fuel Transfer Pump - Disassemble SMCS - 1256-015 Disassembly Procedure Start By: A. Remove the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Remove". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00498289 Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened. 1. Remove bolts (2) and cover (1) from the fuel transfer pump housing. Illustration 2 g00499040 2. Remove spring (4) from housing (3) . 2/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 3 g00498980 3. Remove O-ring seals (5) and (6) from cover (1) . 4. Remove valve assembly (7) from cover (1) . Illustration 4 g00498334 5. Remove piston (12) from sleeve (10). Remove washer (15), valve assembly (14) and seal (13) from piston (12) . 6. Remove sleeve (10) from housing (3). Remove O-ring seal (11) from sleeve (10) . 7. Remove guide and tappet assembly (9) and seal (8) from housing (3) . 3/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 5 g00498367 8. Remove two bolts (16), cover (17) and the seal from housing (3) . Illustration 6 g00498470 9. Remove valve assembly (18) from housing (3) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:21:03 UTC+0800 2019 4/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01003269 Fuel Transfer Pump - Assemble SMCS - 1256-016 Assembly Procedure NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00498470 1. Install valve assembly (18) in housing (3) . Illustration 2 g00498687 2. Put clean diesel fuel on seal (16). Install seal (16) on cover (17), as shown. Install the two bolts that hold cover (17) to housing (3) . Illustration 3 g00498334 2/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
NOTICE The tappet and guide assembly must be serviced as a unit. 3. Put clean diesel fuel on seal (8). Install seal (8) on guide and tappet assembly (9). Install guide and tappet assembly (9) in housing (3) . 4. Put clean diesel fuel on O-ring seal (11). Put O-ring seal (11) in position on sleeve (10). Install sleeve (10) in housing (3) . 5. Install piston (12) in sleeve (10) . 6. Put clean diesel fuel on seal (13). Put seal (13), valve assembly (14) and washer (15) in position in piston (12) . Illustration 4 g00498980 7. Put clean diesel fuel on O-ring seals (5) and (6). Install O-ring seals (5) and (6) in cover (1). Install valve assembly (7) in cover (1) . 3/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 5 g00499040 8. Install spring (4) in housing (3) . Illustration 6 g00498289 9. Put cover (1) in position on the housing and install bolts (2) that hold the cover in position. End By: Install the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:21:59 UTC+0800 2019 4/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00906240 Fuel Transfer Pump - Install SMCS - 1256-012 Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g00462112 1. Install the O-ring seal and fuel transfer pump (3). Install bolts (1) and (5) . 2. Install tube assembly (2) and tube assembly (4) . 1/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
3. Turn the fuel supply line valve to the ON position. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:22:55 UTC+0800 2019 2/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00880175 Fuel Injection Lines - Remove and Install SMCS - 1252-010 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00448807 1. Remove three bolts (1), (2) and (3) and the brackets from the fuel injection lines. Illustration 2 g00448808 2. Disconnect six fuel injection line nuts (4) from the fuel injection pumps. NOTICE Do not allow the tops of the nozzles to turn while the fuel lines are loosened. The nozzles will be damaged if the top of the nozzle turns in the body. Defective fuel nozzles will damage the engine due to incorrect spray patterns. 2/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 3 g00448809 3. Hold the tops of fuel injector nozzles (5) with a wrench, as shown. Loosen the six fuel injection line nuts at fuel injector nozzles (4) . 4. Disconnect the fuel injection line nuts at the fuel injector nozzles and remove the fuel injection lines. Put caps and plugs on all openings immediately in order to prevent dirt from contaminating the fuel system. Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 5P-0144 Fuel Line Socket 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Do not allow the tops of the nozzles to turn while the fuel lines are loosened. The nozzles will be damaged if the top of the nozzle turns in the body. Defective fuel nozzles will damage the engine due to incorrect spray patterns. 3/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
1. Remove the protective covers from the fuel line connections. Place the fuel injection lines in position on the engine. Tighten the fuel injection line nuts on the fuel injection pump and the fuel injector nozzles finger tight. Note: The nozzle assembly must be supported with a wrench. Illustration 4 g00448810 2. Hold the tops of fuel injector nozzles (1) and use Tool (A) in order to tighten the fuel injection line nuts to a torque of 40 ± 7 N·m (30 ± 5 lb ft). Illustration 5 g00475542 3. Tighten six fuel injection line nuts (2) at the fuel injection pumps to a torque of 40 ± 7 N·m (30 ± 5 lb ft). 4/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 6 g00475546 4. Install the brackets and three bolts (3), (4) and (5) that hold the fuel injection lines in position. 5. Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime" topic (Maintenance Section). Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:23:51 UTC+0800 2019 5/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01048513 Fuel Injection Nozzles - Remove SMCS - 1254-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 6V-6980 Fuel Nozzle Puller 1 B FT-1533 Adapter 1 1P-0074 Slide Hammer Puller 1 Start By: A. Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Do not allow the tops of the fuel injector nozzles to turn while the fuel lines are loosened. The fuel injector nozzles will be damaged if the tops of the fuel injector nozzle turns in the body. Defective fuel injector nozzles will damage the engine due to incorrect spray patterns. Illustration 1 g00448820 1. Remove bolt (1) and the clamp that secures the fuel injector nozzle. Illustration 2 g00448821 2. Install Tool (A) over the fuel injector nozzle. Turn screw (2) counterclockwise until the button on the end of the screw is just above the bolt hole for the clamp that holds down the fuel injector nozzle. 3. Tilt Tool (A) upward so that the inside lip of the fuel nozzle puller is under the diameter of the fuel injector nozzle. 4. Turn screw (2) clockwise until the button on Tool (A) goes into the bolt hole for the clamp that holds down the fuel injector nozzle. 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
NOTICE Do not exceed the recommended torque on the screw of the 6V-6980 Fuel Nozzle Puller in order to remove the nozzle. The nozzle will bend or break if a torque greater than 17 N·m (13 lb ft) is applied. 5. Turn screw (2) clockwise in order to lift the fuel injector nozzle out of the bore. After the fuel injector nozzle is loose in the bore of the cylinder head, move the fuel injector nozzle upward and move the fuel injector nozzle downward. Moving the fuel injector nozzle helps to loosen any carbon buildup and aids in the removal of the fuel injector nozzle. 6. When Tool (A) is used to remove the fuel injector nozzles, remove the carbon dam seal on the end of the fuel injector nozzle. Illustration 3 g00448822 7. If the fuel injector nozzle cannot be removed with Tool (A), Tool (B) must be used. Note: When Tool (B) is used, it is likely that the fuel injector nozzle cannot be used again. A new fuel injector nozzle will need to be installed as a replacement. Note: Align the centerline of Tool (B) with the extended centerline of fuel injector nozzle (3). This procedure will help prevent distortion of the fuel injector nozzle which can cause the fuel injector nozzle to bend or break. 8. Remove the protective cap and install Tool (B) . 9. Use the slide hammer in order to remove fuel injector nozzle (3) . 10. Remove the compression seal from the fuel injector nozzle. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:24:46 UTC+0800 2019 3/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01048591 Fuel Injection Nozzles - Install SMCS - 1254-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 6V-4979 Carbon Seal Installation Tool 1 B 8S-2245 Injector Cleaning Tool 1 C 6V-4089 Reamer 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00448903 1. Put carbon dam seal (1) on the small end of Tool (A). Expand carbon dam seal (1) by sliding carbon dam seal (1) to the large end of Tool (A). Put Tool (A) against the fuel injector nozzle. Slide carbon dam seal (1) from Tool (A) to the fuel injector nozzle. Slide carbon dam seal (1) into position in the groove of the fuel injector nozzle, as shown. Use Tool (A) in order to install carbon dam seal (1). 2. To clean the fuel injector nozzles, refer to Special Instruction, SEHS7292 for the use of Tool (B) . 3. Install a new compression seal (2) on the fuel injector nozzle. Illustration 2 g00448904 4. Use Tool (C) in order to clean the bore in the cylinder head for the fuel injector nozzle. Use a wrench in order to turn Tool (C) . 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 3 g00448905 Illustration 4 g00448906 5. Align notch (3) in fuel injector nozzle (5) to the tab in clamp (4) during installation. 6. Install fuel injector nozzle (5). Ensure that the notch in the injector is aligned with the tab in clamp (4) . End By: Install the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:25:42 UTC+0800 2019 3/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
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Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00903297 Fuel Ratio Control - Remove SMCS - 1278-011 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00460630 1. Disconnect fuel pressure line (3). Remove two bolts (2) . 2. Move fuel ratio control (1) upward in order to disengage the fuel ratio control from the lever assembly in the governor. Illustration 2 g00460631 3. Remove four O-ring seals (4) and screen assembly (5) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:26:38 UTC+0800 2019 2/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00903551 Fuel Ratio Control - Disassemble SMCS - 1278-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A FT-1820 Fixture Assembly 1 B 1P-1855 Retaining Ring Pliers 1 C 6V-9072 Guide 1 Start By: A. Remove the fuel ratio control. Refer to Disassembly and Assembly, "Fuel Ratio Control - Remove". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00460737 1. Remove cover (1) and O-ring seal (2) . Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened. 2. In order to release the spring force, hold cover (3) in position and slowly remove the two bolts that hold cover (3) in place. Illustration 2 g00460791 3. Remove spring (4), washer (5) and diaphragm (6) from retainer (7). Remove retainer (7) from housing (8) . 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

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Caterpillar cat 235 c excavator (prefix 5af) service repair manual (5af00001 and up)

  • 2. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00917143 Fuel Filter Base - Remove and Install SMCS - 1262-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 2P-8250 Strap Wrench Assembly 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 3. Dispose of all fluids according to local regulations and mandates. Illustration 1 g00468389 1. Use Tool (A) to remove fuel filter (4) . 2. Disconnect fuel line (1) from fuel filter base (2) . 3. Remove two bolts (3), the washers, fuel filter base (2) and the gasket from the fuel injection pump housing. Installation Procedure Table 2 Required Tools Tool Part Number Part Description Qty A 2P-8250 Strap Wrench Assembly 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 4. Illustration 2 g00468389 Note: Check the condition of the gaskets. If the gaskets are worn or damaged, use new parts for replacement. 1. Install the gasket, fuel filter base (2), the washers and two bolts (3) on the fuel injection pump housing. 2. Connect fuel line (1) to fuel filter base (2) . 3. Use Tool (A) to install fuel filter (4) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:19:12 UTC+0800 2019 3/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 5. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00905874 Fuel Transfer Pump - Remove SMCS - 1256-011 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 6. Illustration 1 g00462112 1. Turn the fuel supply line valve to the OFF position. 2. Remove tube assembly (2) and tube assembly (4) from fuel transfer pump (3) . 3. Remove bolts (1) and (5) from fuel transfer pump (3). Remove fuel transfer pump (3) and the O-ring seal. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:20:08 UTC+0800 2019 2/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 7. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01003268 Fuel Transfer Pump - Disassemble SMCS - 1256-015 Disassembly Procedure Start By: A. Remove the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Remove". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 8. Illustration 1 g00498289 Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened. 1. Remove bolts (2) and cover (1) from the fuel transfer pump housing. Illustration 2 g00499040 2. Remove spring (4) from housing (3) . 2/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 9. Illustration 3 g00498980 3. Remove O-ring seals (5) and (6) from cover (1) . 4. Remove valve assembly (7) from cover (1) . Illustration 4 g00498334 5. Remove piston (12) from sleeve (10). Remove washer (15), valve assembly (14) and seal (13) from piston (12) . 6. Remove sleeve (10) from housing (3). Remove O-ring seal (11) from sleeve (10) . 7. Remove guide and tappet assembly (9) and seal (8) from housing (3) . 3/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 10. Illustration 5 g00498367 8. Remove two bolts (16), cover (17) and the seal from housing (3) . Illustration 6 g00498470 9. Remove valve assembly (18) from housing (3) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:21:03 UTC+0800 2019 4/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 11. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01003269 Fuel Transfer Pump - Assemble SMCS - 1256-016 Assembly Procedure NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 12. Illustration 1 g00498470 1. Install valve assembly (18) in housing (3) . Illustration 2 g00498687 2. Put clean diesel fuel on seal (16). Install seal (16) on cover (17), as shown. Install the two bolts that hold cover (17) to housing (3) . Illustration 3 g00498334 2/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 13. NOTICE The tappet and guide assembly must be serviced as a unit. 3. Put clean diesel fuel on seal (8). Install seal (8) on guide and tappet assembly (9). Install guide and tappet assembly (9) in housing (3) . 4. Put clean diesel fuel on O-ring seal (11). Put O-ring seal (11) in position on sleeve (10). Install sleeve (10) in housing (3) . 5. Install piston (12) in sleeve (10) . 6. Put clean diesel fuel on seal (13). Put seal (13), valve assembly (14) and washer (15) in position in piston (12) . Illustration 4 g00498980 7. Put clean diesel fuel on O-ring seals (5) and (6). Install O-ring seals (5) and (6) in cover (1). Install valve assembly (7) in cover (1) . 3/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 14. Illustration 5 g00499040 8. Install spring (4) in housing (3) . Illustration 6 g00498289 9. Put cover (1) in position on the housing and install bolts (2) that hold the cover in position. End By: Install the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:21:59 UTC+0800 2019 4/4235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 15. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00906240 Fuel Transfer Pump - Install SMCS - 1256-012 Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g00462112 1. Install the O-ring seal and fuel transfer pump (3). Install bolts (1) and (5) . 2. Install tube assembly (2) and tube assembly (4) . 1/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 16. 3. Turn the fuel supply line valve to the ON position. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:22:55 UTC+0800 2019 2/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 17. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00880175 Fuel Injection Lines - Remove and Install SMCS - 1252-010 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 18. Illustration 1 g00448807 1. Remove three bolts (1), (2) and (3) and the brackets from the fuel injection lines. Illustration 2 g00448808 2. Disconnect six fuel injection line nuts (4) from the fuel injection pumps. NOTICE Do not allow the tops of the nozzles to turn while the fuel lines are loosened. The nozzles will be damaged if the top of the nozzle turns in the body. Defective fuel nozzles will damage the engine due to incorrect spray patterns. 2/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 19. Illustration 3 g00448809 3. Hold the tops of fuel injector nozzles (5) with a wrench, as shown. Loosen the six fuel injection line nuts at fuel injector nozzles (4) . 4. Disconnect the fuel injection line nuts at the fuel injector nozzles and remove the fuel injection lines. Put caps and plugs on all openings immediately in order to prevent dirt from contaminating the fuel system. Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 5P-0144 Fuel Line Socket 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Do not allow the tops of the nozzles to turn while the fuel lines are loosened. The nozzles will be damaged if the top of the nozzle turns in the body. Defective fuel nozzles will damage the engine due to incorrect spray patterns. 3/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 20. 1. Remove the protective covers from the fuel line connections. Place the fuel injection lines in position on the engine. Tighten the fuel injection line nuts on the fuel injection pump and the fuel injector nozzles finger tight. Note: The nozzle assembly must be supported with a wrench. Illustration 4 g00448810 2. Hold the tops of fuel injector nozzles (1) and use Tool (A) in order to tighten the fuel injection line nuts to a torque of 40 ± 7 N·m (30 ± 5 lb ft). Illustration 5 g00475542 3. Tighten six fuel injection line nuts (2) at the fuel injection pumps to a torque of 40 ± 7 N·m (30 ± 5 lb ft). 4/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 21. Illustration 6 g00475546 4. Install the brackets and three bolts (3), (4) and (5) that hold the fuel injection lines in position. 5. Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime" topic (Maintenance Section). Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:23:51 UTC+0800 2019 5/5235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 22. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01048513 Fuel Injection Nozzles - Remove SMCS - 1254-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 6V-6980 Fuel Nozzle Puller 1 B FT-1533 Adapter 1 1P-0074 Slide Hammer Puller 1 Start By: A. Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 23. Do not allow the tops of the fuel injector nozzles to turn while the fuel lines are loosened. The fuel injector nozzles will be damaged if the tops of the fuel injector nozzle turns in the body. Defective fuel injector nozzles will damage the engine due to incorrect spray patterns. Illustration 1 g00448820 1. Remove bolt (1) and the clamp that secures the fuel injector nozzle. Illustration 2 g00448821 2. Install Tool (A) over the fuel injector nozzle. Turn screw (2) counterclockwise until the button on the end of the screw is just above the bolt hole for the clamp that holds down the fuel injector nozzle. 3. Tilt Tool (A) upward so that the inside lip of the fuel nozzle puller is under the diameter of the fuel injector nozzle. 4. Turn screw (2) clockwise until the button on Tool (A) goes into the bolt hole for the clamp that holds down the fuel injector nozzle. 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 24. NOTICE Do not exceed the recommended torque on the screw of the 6V-6980 Fuel Nozzle Puller in order to remove the nozzle. The nozzle will bend or break if a torque greater than 17 N·m (13 lb ft) is applied. 5. Turn screw (2) clockwise in order to lift the fuel injector nozzle out of the bore. After the fuel injector nozzle is loose in the bore of the cylinder head, move the fuel injector nozzle upward and move the fuel injector nozzle downward. Moving the fuel injector nozzle helps to loosen any carbon buildup and aids in the removal of the fuel injector nozzle. 6. When Tool (A) is used to remove the fuel injector nozzles, remove the carbon dam seal on the end of the fuel injector nozzle. Illustration 3 g00448822 7. If the fuel injector nozzle cannot be removed with Tool (A), Tool (B) must be used. Note: When Tool (B) is used, it is likely that the fuel injector nozzle cannot be used again. A new fuel injector nozzle will need to be installed as a replacement. Note: Align the centerline of Tool (B) with the extended centerline of fuel injector nozzle (3). This procedure will help prevent distortion of the fuel injector nozzle which can cause the fuel injector nozzle to bend or break. 8. Remove the protective cap and install Tool (B) . 9. Use the slide hammer in order to remove fuel injector nozzle (3) . 10. Remove the compression seal from the fuel injector nozzle. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:24:46 UTC+0800 2019 3/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 25. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i01048591 Fuel Injection Nozzles - Install SMCS - 1254-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 6V-4979 Carbon Seal Installation Tool 1 B 8S-2245 Injector Cleaning Tool 1 C 6V-4089 Reamer 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 26. Illustration 1 g00448903 1. Put carbon dam seal (1) on the small end of Tool (A). Expand carbon dam seal (1) by sliding carbon dam seal (1) to the large end of Tool (A). Put Tool (A) against the fuel injector nozzle. Slide carbon dam seal (1) from Tool (A) to the fuel injector nozzle. Slide carbon dam seal (1) into position in the groove of the fuel injector nozzle, as shown. Use Tool (A) in order to install carbon dam seal (1). 2. To clean the fuel injector nozzles, refer to Special Instruction, SEHS7292 for the use of Tool (B) . 3. Install a new compression seal (2) on the fuel injector nozzle. Illustration 2 g00448904 4. Use Tool (C) in order to clean the bore in the cylinder head for the fuel injector nozzle. Use a wrench in order to turn Tool (C) . 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 27. Illustration 3 g00448905 Illustration 4 g00448906 5. Align notch (3) in fuel injector nozzle (5) to the tab in clamp (4) during installation. 6. Install fuel injector nozzle (5). Ensure that the notch in the injector is aligned with the tab in clamp (4) . End By: Install the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:25:42 UTC+0800 2019 3/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 28. Thank you very much for your reading. Please Click Here. Then Get COMPLETE MANUAL. NO WAITING NOTE: If there is no response to click on the link above, please download the PDF document first and then click on it.
  • 29. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00903297 Fuel Ratio Control - Remove SMCS - 1278-011 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. 1/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 30. Illustration 1 g00460630 1. Disconnect fuel pressure line (3). Remove two bolts (2) . 2. Move fuel ratio control (1) upward in order to disengage the fuel ratio control from the lever assembly in the governor. Illustration 2 g00460631 3. Remove four O-ring seals (4) and screen assembly (5) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Tue Sep 17 22:26:38 UTC+0800 2019 2/2235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 31. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 235C EXCAVATOR 5AF Configuration: 235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09 Publication Date -01/01/2013 Date Updated -25/01/2013 i00903551 Fuel Ratio Control - Disassemble SMCS - 1278-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A FT-1820 Fixture Assembly 1 B 1P-1855 Retaining Ring Pliers 1 C 6V-9072 Guide 1 Start By: A. Remove the fuel ratio control. Refer to Disassembly and Assembly, "Fuel Ratio Control - Remove". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 32. Illustration 1 g00460737 1. Remove cover (1) and O-ring seal (2) . Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened. 2. In order to release the spring force, hold cover (3) in position and slowly remove the two bolts that hold cover (3) in place. Illustration 2 g00460791 3. Remove spring (4), washer (5) and diaphragm (6) from retainer (7). Remove retainer (7) from housing (8) . 2/3235C EXCAVATOR 5AF00001-UP (MACHINE) POWERED BY 3306 ENGINE(SE... 2019/9/17https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...