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Caterpillar Cat 303.5E CR Mini Hydraulic Excavator (Prefix JX2) Service Repair Manual (JX200001 and up).pdf

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This document provides instructions for assembling and disassembling parts of a 303.5E CR Mini Hydraulic Excavator, including: 1) Assembling the main hydraulic pump by installing various components like bearings, springs, and seals in the proper order. 2) Installing the assembled hydraulic pump and connecting hoses. 3) Removing the selector valve by disconnecting hoses and harness assemblies and removing mounting bolts.

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Service Repair Manual Models 303.5E CR Mini Hydraulic Excavator
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778181 Main Hydraulic Pump - Assemble SMCS - 5070-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-0510 Driver Gp 1 B 1P-1858 Retaining Ring Pliers 1 Illustration 1 g01222569 1. Install bearing (50). 1/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 2 g01222568 2. Install spool (49). Illustration 3 g01222567 3. Install retainer (48). Illustration 4 g01222565 2/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 4. Install retainer (44), spring (47), spring (46), and pin (45). Illustration 5 g01222563 5. Install port plate (42) and shim (43). Illustration 6 g01222560 3/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 7 g01222562 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 6. Install washer (41), spring (40), and washer (39) into barrel (36). 7. Use Tooling (A) and Tooling (B) in order to install retaining ring (38). Illustration 8 g01222491 8. Install pins (37). 4/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 9 g01222489 9. Install barrel (36), bearing (35), retainer (34), and pistons (33). Illustration 10 g01222488 10. Install swashplate (32) and O-ring seal (31) into housing (30). Illustration 11 g01222487 11. Install gasket (27), shaft (28), and shim (29). 5/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 12 g01222486 12. Install bearing (26), bearings (24), screws (25), and O-ring seal (23). Illustration 13 g01222484 13. Install lip seal (22). 14. Use Tooling (A) in order to install retaining ring (21). Illustration 14 g01222482 15. Install cover (20) and bolts (19). 6/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 15 g01222481 16. Install gears (17) into housing (18). Illustration 16 g01222478 17. Install O-ring seals (16). Illustration 17 g01222477 18. Install cover (14) and bolts (15). 7/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 18 g01222474 19. Install O-ring seals (13). Illustration 19 g01222473 20. Install gear pump (12) and two bolts (11). Illustration 20 g01222471 21. Install O-ring seals (10). 8/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 21 g01222469 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 22. Install spool (4), retainer (5), retainer (6), spring (7), O-ring seal (9), and plug (8). Illustration 22 g01222466 23. Install plug (3), valve (2), and bolts (1). End By: a. Install the hydraulic pump. Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:25:57 UTC+0800 2020 9/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778174 Main Hydraulic Pump - Install SMCS - 5070-012 Installation Procedure Illustration 1 g01222142 1. Attach a suitable lifting device to main hydraulic pump (5). The weight of main hydraulic pump (5) is approximately 45 kg (100 lb). Install main hydraulic pump (5) and bolts (7). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 2 g01222114 2. Install hose (6). Connect hose assemblies (1), (2), (3), and (4) to main hydraulic pump (5). 3. Check the level of the hydraulic oil tank. Refer to Operation and Maintenance Manual, "Hydraulic Oil Level - Check". End By: a. Install the counterweight. Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:26:54 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04734310 Selector Valve (Alternate Pattern Control) - Remove SMCS - 5065-011 Removal Procedure Start By: a. Release the system pressure. Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes in order to prevent fluid loss and to keep contaminants from entering the system. Illustration 1 g02157297 1. Remove bolts (1) and (2). Remove guard (3). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 2 g02833857 2. Disconnect hose assemblies (4). Disconnect harness assemblies (6). Remove bolts (7) and remove selector valve (5). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:27:51 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04734409 Selector Valve (Alternate Pattern Control) - Install SMCS - 5065-012 Installation Procedure Illustration 1 g02833857 1. Position selector valve (5) and install bolts (7). Install harness assemblies (6) and hose assemblies (4). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 2 g02157297 2. Position guard (3) and install bolts (1) and (2). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:28:47 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04734450 Control Manifold (Pilot Oil) - Remove - Hydraulic Lockout, Swing Brake and Travel SMCS - 5264-011 Removal Procedure Start By: a. Remove the accumulator for the hydraulic pilot oil. Illustration 1 g02833918 1. Disconnect hose assemblies (1). Disconnect harness assemblies (2) and (3). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 2 g01225196 2. Disconnect hose assembly (4). Remove bolts (6) and remove valve (5). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:29:44 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778177 Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake and Travel SMCS - 5264-015 Disassembly Procedure Start By: a. Remove the control manifold. Illustration 1 g01227377 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. 1/3 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
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.
Follow the recommended procedure and use all recommended tooling to release the spring force. 1. Remove bolts (3) and solenoids (1). Remove bolts (4) and cover (2). Illustration 2 g01227389 2. Remove O-ring seals (5) and plungers (6). Illustration 3 g01227392 3. Remove spring (8) and O-ring seal (7). 2/3 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Illustration 4 g01227393 4. Remove plunger (9) and shims (10). Illustration 5 g01227394 5. Remove plugs (11) and the O-ring seals. Illustration 6 g01227396 6. Remove springs (13) and spools (12). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:30:41 UTC+0800 2020 3/3 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778185 Control Manifold (Pilot Oil) - Assemble - Hydraulic Lockout, Swing Brake and Travel SMCS - 5264-016 Assembly Procedure Illustration 1 g01227396 1. Install spools (12) and springs (13). 1/4 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...

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Caterpillar Cat 303.5E CR Mini Hydraulic Excavator (Prefix JX2) Service Repair Manual (JX200001 and up).pdf

  • 1. Service Repair Manual Models 303.5E CR Mini Hydraulic Excavator
  • 2. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778181 Main Hydraulic Pump - Assemble SMCS - 5070-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-0510 Driver Gp 1 B 1P-1858 Retaining Ring Pliers 1 Illustration 1 g01222569 1. Install bearing (50). 1/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 3. Illustration 2 g01222568 2. Install spool (49). Illustration 3 g01222567 3. Install retainer (48). Illustration 4 g01222565 2/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 4. Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 4. Install retainer (44), spring (47), spring (46), and pin (45). Illustration 5 g01222563 5. Install port plate (42) and shim (43). Illustration 6 g01222560 3/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 5. Illustration 7 g01222562 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 6. Install washer (41), spring (40), and washer (39) into barrel (36). 7. Use Tooling (A) and Tooling (B) in order to install retaining ring (38). Illustration 8 g01222491 8. Install pins (37). 4/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 6. Illustration 9 g01222489 9. Install barrel (36), bearing (35), retainer (34), and pistons (33). Illustration 10 g01222488 10. Install swashplate (32) and O-ring seal (31) into housing (30). Illustration 11 g01222487 11. Install gasket (27), shaft (28), and shim (29). 5/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 7. Illustration 12 g01222486 12. Install bearing (26), bearings (24), screws (25), and O-ring seal (23). Illustration 13 g01222484 13. Install lip seal (22). 14. Use Tooling (A) in order to install retaining ring (21). Illustration 14 g01222482 15. Install cover (20) and bolts (19). 6/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 8. Illustration 15 g01222481 16. Install gears (17) into housing (18). Illustration 16 g01222478 17. Install O-ring seals (16). Illustration 17 g01222477 18. Install cover (14) and bolts (15). 7/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 9. Illustration 18 g01222474 19. Install O-ring seals (13). Illustration 19 g01222473 20. Install gear pump (12) and two bolts (11). Illustration 20 g01222471 21. Install O-ring seals (10). 8/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 10. Illustration 21 g01222469 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 22. Install spool (4), retainer (5), retainer (6), spring (7), O-ring seal (9), and plug (8). Illustration 22 g01222466 23. Install plug (3), valve (2), and bolts (1). End By: a. Install the hydraulic pump. Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:25:57 UTC+0800 2020 9/9 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 11. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778174 Main Hydraulic Pump - Install SMCS - 5070-012 Installation Procedure Illustration 1 g01222142 1. Attach a suitable lifting device to main hydraulic pump (5). The weight of main hydraulic pump (5) is approximately 45 kg (100 lb). Install main hydraulic pump (5) and bolts (7). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 12. Illustration 2 g01222114 2. Install hose (6). Connect hose assemblies (1), (2), (3), and (4) to main hydraulic pump (5). 3. Check the level of the hydraulic oil tank. Refer to Operation and Maintenance Manual, "Hydraulic Oil Level - Check". End By: a. Install the counterweight. Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:26:54 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 13. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04734310 Selector Valve (Alternate Pattern Control) - Remove SMCS - 5065-011 Removal Procedure Start By: a. Release the system pressure. Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes in order to prevent fluid loss and to keep contaminants from entering the system. Illustration 1 g02157297 1. Remove bolts (1) and (2). Remove guard (3). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 14. Illustration 2 g02833857 2. Disconnect hose assemblies (4). Disconnect harness assemblies (6). Remove bolts (7) and remove selector valve (5). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:27:51 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 15. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04734409 Selector Valve (Alternate Pattern Control) - Install SMCS - 5065-012 Installation Procedure Illustration 1 g02833857 1. Position selector valve (5) and install bolts (7). Install harness assemblies (6) and hose assemblies (4). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 16. Illustration 2 g02157297 2. Position guard (3) and install bolts (1) and (2). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:28:47 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 17. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04734450 Control Manifold (Pilot Oil) - Remove - Hydraulic Lockout, Swing Brake and Travel SMCS - 5264-011 Removal Procedure Start By: a. Remove the accumulator for the hydraulic pilot oil. Illustration 1 g02833918 1. Disconnect hose assemblies (1). Disconnect harness assemblies (2) and (3). 1/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 18. Illustration 2 g01225196 2. Disconnect hose assembly (4). Remove bolts (6) and remove valve (5). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:29:44 UTC+0800 2020 2/2 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 19. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778177 Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake and Travel SMCS - 5264-015 Disassembly Procedure Start By: a. Remove the control manifold. Illustration 1 g01227377 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. 1/3 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 20. 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.
  • 21. Follow the recommended procedure and use all recommended tooling to release the spring force. 1. Remove bolts (3) and solenoids (1). Remove bolts (4) and cover (2). Illustration 2 g01227389 2. Remove O-ring seals (5) and plungers (6). Illustration 3 g01227392 3. Remove spring (8) and O-ring seal (7). 2/3 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 22. Illustration 4 g01227393 4. Remove plunger (9) and shims (10). Illustration 5 g01227394 5. Remove plugs (11) and the O-ring seals. Illustration 6 g01227396 6. Remove springs (13) and spools (12). Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Mar 2 17:30:41 UTC+0800 2020 3/3 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
  • 23. Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 303.5E MINI HYD EXCAVATOR JX2 Configuration: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine Disassembly and Assembly 303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016 i04778185 Control Manifold (Pilot Oil) - Assemble - Hydraulic Lockout, Swing Brake and Travel SMCS - 5264-016 Assembly Procedure Illustration 1 g01227396 1. Install spools (12) and springs (13). 1/4 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1... 2020/3/2 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...