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Caterpillar Cat 322C LN 322CLN EXCAVATOR (Prefix BGR) Service Repair Manual (BGR00001 and up).pdf

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The document provides step-by-step instructions for disassembling the control valve and its components on a 322C excavator. It describes removing O-rings, seals, springs, valves, fittings, and other parts from the auxiliary control valve, solenoid valve, spool, line relief valves, and load hold check valve. Cleanliness is emphasized to prevent contamination of the hydraulic system during reassembly.

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Service Repair Manual Model 322C and 322C LN 322CLN EXCAVATOR
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BGR Configuration: 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 322C Excavator Machine Systems Media Number -RENR3843-07 Publication Date -01/02/2017 Date Updated -20/02/2017 i01974060 Control Valve (Auxiliary) - Disassemble - F2 Auxiliary Control Valve SMCS - 5051-015-AX Disassembly Procedure Start By: a. Remove the F2 auxiliary control valve. Refer to Disassembly and Assembly, "Control Valve (Auxiliary) - Remove" for the machine that is being serviced. NOTICE Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will prevent contamination from entering the internal mechanism. 1/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Solenoid Valve and Housing Illustration 1 g00713277 1. Remove two bolts (2). Remove valve (1). Illustration 2 g00713314 2. Remove the O-ring seal (3) from the valve housing. Illustration 3 g00713315 3. Remove two bolts (4). Remove solenoid valve (5) from the housing. Remove fitting (6). 2/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 4 g00713316 4. Remove O-ring seal (7) from fitting (6). Remove O-ring seal (8), (9), (10), and (11) from solenoid valve (5). Illustration 5 g00713317 5. Remove fitting (12), plug (13), and fitting (14). Illustration 6 g00713318 6. Remove O-ring seal (15) from fitting (12). Remove O-ring seal (16) from fitting (14). Remove O-ring seal (17) from plug (13). 3/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 7 g00713319 7. Remove two bolts (18). Remove valve (19). Illustration 8 g00713320 8. Remove O-ring seal (20) from the valve housing. Illustration 9 g00713321 9. Remove two bolts (21). Remove solenoid valve (22) from the housing. Remove fitting (23). 4/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 10 g00713322 10. Remove O-ring seal (24), (25), (26), and (27) from solenoid valve (22). Remove O-ring seal (28) from fitting (23). Illustration 11 g00713323 11. Remove fittings (29) and (32). Remove plugs (30) and (31). Illustration 12 g00713324 12. Remove O-ring seal (33) from plug (30). Remove O-ring seal (34) from fitting (29). Remove O-ring seal (35) from plug (31). Remove O-ring seal (36) from fitting (32). 5/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Spool, Load Hold Check Valve, and Line Relief Valves Illustration 13 g00713411 1. Remove O-ring seals (37), (38), (39), and (40) from the valve housing. Remove spool (41). Remove line relief valves (42) and (44). Remove load hold check valve (43). Illustration 14 g00713419 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 2. Disassemble the load hold check valve. Remove check valve (45), spring (46), and O-ring seal (47) from plug (48). 6/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 15 g00713427 3. Remove the O-ring seals and backup rings from line relief valves (42) and (44). Remove O- ring seals (49), (50), (52), (53), and (54). Remove backup rings (51) and (55). Illustration 16 g00713437 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 4. Remove bolt (56) and spring (57) from the spool. 7/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Sep 28 17:03:22 UTC+0800 2019 8/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BGR Configuration: 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 322C Excavator Machine Systems Media Number -RENR3843-07 Publication Date -01/02/2017 Date Updated -20/02/2017 i01974067 Control Valve (Auxiliary) - Disassemble - F1 and F3 Auxiliary Control Valve SMCS - 5051-015-AX Disassembly Procedure Start By: a. Remove the auxiliary control valve. Refer to Disassembly and Assembly, "Control Valve (Auxiliary) - Remove" for the machine that is being serviced. NOTICE Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will prevent contamination from entering the internal mechanism. 1/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Line Relief Valve and Load Hold Check Valve Illustration 1 g00708853 1. Remove line relief valve (1), fitting (2), and load hold check valve (3). Illustration 2 g00708935 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 2/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
2. Disassemble the line relief valve. a. Remove plug (4). b. Remove O-ring seal (5), shims (6), and shim (7) from plug (4). c. Remove spring (8) and valve (9) from valve body (10). d. Remove O-ring seals (11) and (12) from valve body (10). Illustration 3 g00708878 3. Remove O-ring seal (13) from fitting (2). Illustration 4 g00708882 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 3/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
4. Disassemble the load hold check valve. Remove check valve (14), spring (5), and O-ring seal (16) from plug (17). Illustration 5 g00708948 5. Remove line relief valve (18). Illustration 6 g00708875 6. Remove O-ring seals (19), (20), (22), (23), and (24) from line relief valve (18). Remove backup rings (21) and (25) from line relief valve (18). 4/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 7 g00708954 7. Remove line relief valve (26), plug (27), and relief valve (28). Illustration 8 g00708962 8. Remove O-ring seals (29), (30), (32), (33), and (34) from line relief valve (26). Remove backup rings (31) and (35) from line relief valve (26). 5/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 9 g00708965 9. Remove O-ring seal (36) from plug (27). Illustration 10 g00708972 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 10. Disassemble the relief valve. a. Remove nut (47). Remove adjuster (37). b. Remove O-ring seal (39) from the adjuster (37). c. Remove spring (40) and valve (42) from holder (38). Remove holder (38). d. Remove O-ring seal (41) from holder (38). e. Remove valve seat (53). f. Remove O-ring seal (52) and backup ring (51) from the valve seat (53). g. Remove spring (54). 6/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
h. Remove valve (55) from valve body (48). Remove ring (45), collar (44), and filter (43) from valve (55). i. Remove O-ring seals (46), (50), and (49) from valve body (48). Solenoid Valve and Housing Illustration 11 g00709076 1. Remove two bolts (57). Remove valve (56). Illustration 12 g00709077 2. Remove the O-ring seal (58) from the valve housing. 7/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 13 g00709080 3. Remove two bolts (59). Remove solenoid valve (60) from the housing. Remove fitting (61). Illustration 14 g00709082 4. Remove O-ring seal (62) from fitting (61). Remove O-ring seal (63), (64), (65), and (66) from solenoid valve (60). Illustration 15 g00709083 5. Remove fitting (67), plug (68), and fitting (69). 8/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 16 g00709086 6. Remove O-ring seal (70) from fitting (67). Remove O-ring seal (71) from fitting (69). Remove O-ring seal (72) from plug (68). Illustration 17 g00709089 7. Remove two bolts (73). Remove valve (74). Illustration 18 g00709090 8. Remove O-ring seal (75) from the valve housing. 9/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 19 g00709091 9. Remove two bolts (76). Remove solenoid valve (77) from the housing. Remove fitting (78). Illustration 20 g00709092 10. Remove O-ring seal (79), (80), (81), and (82) from solenoid valve (77). Remove O-ring seal (83) from fitting (78). Illustration 21 g00709093 11. Remove fittings (84) and (87). Remove plugs (85) and (86). 10/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 22 g00709094 12. Remove O-ring seal (88) from plug (85). Remove O-ring seal (89) from fitting (84). Remove O-ring seal (90) from plug (86). Remove O-ring seal (91) from fitting (87). Spool and Plug Illustration 23 g00709161 1. Remove O-ring seals (92), (93), (94), and (95) from the valve housing. Remove spool (96). Illustration 24 g00709162 11/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 2. Remove bolt (97) and spring (98) from the spool. Illustration 25 g00709163 3. Remove plug (99) from the valve housing. Illustration 26 g00709164 4. Remove O-ring seal (100) from plug (99). Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Sep 28 17:04:22 UTC+0800 2019 12/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BGR Configuration: 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 322C Excavator Machine Systems Media Number -RENR3843-07 Publication Date -01/02/2017 Date Updated -20/02/2017 i01973997 Control Valve (Auxiliary) - Assemble - F1 and F3 Auxiliary Control Valve SMCS - 5051-016-AX Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-6396 O-Ring Assembly Compound B 155-0695 Thread Lock Compound Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. All disassembly and all assembly procedures must be performed on a clean work surface and in a clean hydraulic area. Keep cleaned parts covered and protected at all times. Note: O-ring seals, gaskets, and seals should always be replaced. A used O-ring seal may not have the same sealing properties as a new O-ring. Use Tooling (A) during the assembly procedure. Note: Apply a light film of hydraulic oil to all components before assembly. Spool and Plug 1/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00709164 1. Install O-ring seal (100) on plug (99). Illustration 2 g00709163 2. Install plug (99) in the valve housing. Tighten plug (99) to 75 ± 7 N·m (55 ± 5 lb ft). Illustration 3 g00709162 3. Install spring (98). Apply Tooling (B) to bolt (97). Install bolt (97). Tighten bolt (97) to 50 + 10 − 0 N·m (37 + 7 − 0 lb ft). 2/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 4 g00709161 4. Install spool (96). Install O-ring seals (92), (93), (94), and (95) in the valve housing. Solenoid Valve and Housing Illustration 5 g00709094 1. Install O-ring seal (88) on plug (85). Install O-ring seal (89) on fitting (84). Install O-ring seal (90) on plug (86). Install O-ring seal (91) on fitting (87). Illustration 6 g00709093 3/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
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2. Install fittings (84) and (87). Install plugs (85) and (86). Illustration 7 g00709092 3. Install O-ring seal (79), (80), (81), and (82) on solenoid valve (77). Install O-ring seal (83) on fitting (78). Illustration 8 g00709091 4. Install fitting (78). Install solenoid valve (77) in the housing. Install two bolts (76). Illustration 9 g00709090 5. Install O-ring seal (75) in the valve housing. 4/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 10 g00709089 6. Install valve (74). Install two bolts (73). Illustration 11 g00709086 7. Install O-ring seal (70) on fitting (67). Install O-ring seal (71) on fitting (69). Install O-ring seal (72) on plug (68). Illustration 12 g00709083 8. Install fitting (67), plug (68), and fitting (69). 5/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 13 g00709082 9. Install O-ring seal (62) on fitting (61). Install O-ring seal (63), (64), (65), and (66) on solenoid valve (60). Illustration 14 g00709080 10. Install fitting (61). Install solenoid valve (60) in the housing. Install two bolts (59). Illustration 15 g00709077 11. Install the O-ring seal (58) in the valve housing. 6/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 16 g00709076 12. Install valve (56). Install two bolts (57). Line Relief Valve and Load Hold Check Valve Illustration 17 g00708972 1. Assemble the relief valve. a. Install O-ring seals (49), (50), and (46) on valve body (48). b. Install filter (43), collar (44), and ring (45) in valve (55). c. Install valve (55) in valve body (48). d. Tighten valve (55) to 135 ± 10 N·m (100 ± 7 lb ft). e. Install O-ring seal (52) and backup ring (51) on valve seat (53). Install spring (54). f. Install valve seat (53). Install O-ring seal (41) on holder (38). Install holder (38). 7/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

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Caterpillar Cat 322C LN 322CLN EXCAVATOR (Prefix BGR) Service Repair Manual (BGR00001 and up).pdf

  • 1. Service Repair Manual Model 322C and 322C LN 322CLN EXCAVATOR
  • 2. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BGR Configuration: 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 322C Excavator Machine Systems Media Number -RENR3843-07 Publication Date -01/02/2017 Date Updated -20/02/2017 i01974060 Control Valve (Auxiliary) - Disassemble - F2 Auxiliary Control Valve SMCS - 5051-015-AX Disassembly Procedure Start By: a. Remove the F2 auxiliary control valve. Refer to Disassembly and Assembly, "Control Valve (Auxiliary) - Remove" for the machine that is being serviced. NOTICE Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will prevent contamination from entering the internal mechanism. 1/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 3. Solenoid Valve and Housing Illustration 1 g00713277 1. Remove two bolts (2). Remove valve (1). Illustration 2 g00713314 2. Remove the O-ring seal (3) from the valve housing. Illustration 3 g00713315 3. Remove two bolts (4). Remove solenoid valve (5) from the housing. Remove fitting (6). 2/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 4. Illustration 4 g00713316 4. Remove O-ring seal (7) from fitting (6). Remove O-ring seal (8), (9), (10), and (11) from solenoid valve (5). Illustration 5 g00713317 5. Remove fitting (12), plug (13), and fitting (14). Illustration 6 g00713318 6. Remove O-ring seal (15) from fitting (12). Remove O-ring seal (16) from fitting (14). Remove O-ring seal (17) from plug (13). 3/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 5. Illustration 7 g00713319 7. Remove two bolts (18). Remove valve (19). Illustration 8 g00713320 8. Remove O-ring seal (20) from the valve housing. Illustration 9 g00713321 9. Remove two bolts (21). Remove solenoid valve (22) from the housing. Remove fitting (23). 4/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 6. Illustration 10 g00713322 10. Remove O-ring seal (24), (25), (26), and (27) from solenoid valve (22). Remove O-ring seal (28) from fitting (23). Illustration 11 g00713323 11. Remove fittings (29) and (32). Remove plugs (30) and (31). Illustration 12 g00713324 12. Remove O-ring seal (33) from plug (30). Remove O-ring seal (34) from fitting (29). Remove O-ring seal (35) from plug (31). Remove O-ring seal (36) from fitting (32). 5/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 7. Spool, Load Hold Check Valve, and Line Relief Valves Illustration 13 g00713411 1. Remove O-ring seals (37), (38), (39), and (40) from the valve housing. Remove spool (41). Remove line relief valves (42) and (44). Remove load hold check valve (43). Illustration 14 g00713419 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 2. Disassemble the load hold check valve. Remove check valve (45), spring (46), and O-ring seal (47) from plug (48). 6/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 8. Illustration 15 g00713427 3. Remove the O-ring seals and backup rings from line relief valves (42) and (44). Remove O- ring seals (49), (50), (52), (53), and (54). Remove backup rings (51) and (55). Illustration 16 g00713437 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 4. Remove bolt (56) and spring (57) from the spool. 7/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 9. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Sep 28 17:03:22 UTC+0800 2019 8/8 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 10. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BGR Configuration: 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 322C Excavator Machine Systems Media Number -RENR3843-07 Publication Date -01/02/2017 Date Updated -20/02/2017 i01974067 Control Valve (Auxiliary) - Disassemble - F1 and F3 Auxiliary Control Valve SMCS - 5051-015-AX Disassembly Procedure Start By: a. Remove the auxiliary control valve. Refer to Disassembly and Assembly, "Control Valve (Auxiliary) - Remove" for the machine that is being serviced. NOTICE Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will prevent contamination from entering the internal mechanism. 1/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 11. Line Relief Valve and Load Hold Check Valve Illustration 1 g00708853 1. Remove line relief valve (1), fitting (2), and load hold check valve (3). Illustration 2 g00708935 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 2/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 12. 2. Disassemble the line relief valve. a. Remove plug (4). b. Remove O-ring seal (5), shims (6), and shim (7) from plug (4). c. Remove spring (8) and valve (9) from valve body (10). d. Remove O-ring seals (11) and (12) from valve body (10). Illustration 3 g00708878 3. Remove O-ring seal (13) from fitting (2). Illustration 4 g00708882 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 3/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 13. 4. Disassemble the load hold check valve. Remove check valve (14), spring (5), and O-ring seal (16) from plug (17). Illustration 5 g00708948 5. Remove line relief valve (18). Illustration 6 g00708875 6. Remove O-ring seals (19), (20), (22), (23), and (24) from line relief valve (18). Remove backup rings (21) and (25) from line relief valve (18). 4/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 14. Illustration 7 g00708954 7. Remove line relief valve (26), plug (27), and relief valve (28). Illustration 8 g00708962 8. Remove O-ring seals (29), (30), (32), (33), and (34) from line relief valve (26). Remove backup rings (31) and (35) from line relief valve (26). 5/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 15. Illustration 9 g00708965 9. Remove O-ring seal (36) from plug (27). Illustration 10 g00708972 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 10. Disassemble the relief valve. a. Remove nut (47). Remove adjuster (37). b. Remove O-ring seal (39) from the adjuster (37). c. Remove spring (40) and valve (42) from holder (38). Remove holder (38). d. Remove O-ring seal (41) from holder (38). e. Remove valve seat (53). f. Remove O-ring seal (52) and backup ring (51) from the valve seat (53). g. Remove spring (54). 6/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 16. h. Remove valve (55) from valve body (48). Remove ring (45), collar (44), and filter (43) from valve (55). i. Remove O-ring seals (46), (50), and (49) from valve body (48). Solenoid Valve and Housing Illustration 11 g00709076 1. Remove two bolts (57). Remove valve (56). Illustration 12 g00709077 2. Remove the O-ring seal (58) from the valve housing. 7/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 17. Illustration 13 g00709080 3. Remove two bolts (59). Remove solenoid valve (60) from the housing. Remove fitting (61). Illustration 14 g00709082 4. Remove O-ring seal (62) from fitting (61). Remove O-ring seal (63), (64), (65), and (66) from solenoid valve (60). Illustration 15 g00709083 5. Remove fitting (67), plug (68), and fitting (69). 8/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 18. Illustration 16 g00709086 6. Remove O-ring seal (70) from fitting (67). Remove O-ring seal (71) from fitting (69). Remove O-ring seal (72) from plug (68). Illustration 17 g00709089 7. Remove two bolts (73). Remove valve (74). Illustration 18 g00709090 8. Remove O-ring seal (75) from the valve housing. 9/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 19. Illustration 19 g00709091 9. Remove two bolts (76). Remove solenoid valve (77) from the housing. Remove fitting (78). Illustration 20 g00709092 10. Remove O-ring seal (79), (80), (81), and (82) from solenoid valve (77). Remove O-ring seal (83) from fitting (78). Illustration 21 g00709093 11. Remove fittings (84) and (87). Remove plugs (85) and (86). 10/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 20. Illustration 22 g00709094 12. Remove O-ring seal (88) from plug (85). Remove O-ring seal (89) from fitting (84). Remove O-ring seal (90) from plug (86). Remove O-ring seal (91) from fitting (87). Spool and Plug Illustration 23 g00709161 1. Remove O-ring seals (92), (93), (94), and (95) from the valve housing. Remove spool (96). Illustration 24 g00709162 11/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 21. Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 2. Remove bolt (97) and spring (98) from the spool. Illustration 25 g00709163 3. Remove plug (99) from the valve housing. Illustration 26 g00709164 4. Remove O-ring seal (100) from plug (99). Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Sep 28 17:04:22 UTC+0800 2019 12/13 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 22. Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BGR Configuration: 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 322C Excavator Machine Systems Media Number -RENR3843-07 Publication Date -01/02/2017 Date Updated -20/02/2017 i01973997 Control Valve (Auxiliary) - Assemble - F1 and F3 Auxiliary Control Valve SMCS - 5051-016-AX Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-6396 O-Ring Assembly Compound B 155-0695 Thread Lock Compound Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. All disassembly and all assembly procedures must be performed on a clean work surface and in a clean hydraulic area. Keep cleaned parts covered and protected at all times. Note: O-ring seals, gaskets, and seals should always be replaced. A used O-ring seal may not have the same sealing properties as a new O-ring. Use Tooling (A) during the assembly procedure. Note: Apply a light film of hydraulic oil to all components before assembly. Spool and Plug 1/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 23. Illustration 1 g00709164 1. Install O-ring seal (100) on plug (99). Illustration 2 g00709163 2. Install plug (99) in the valve housing. Tighten plug (99) to 75 ± 7 N·m (55 ± 5 lb ft). Illustration 3 g00709162 3. Install spring (98). Apply Tooling (B) to bolt (97). Install bolt (97). Tighten bolt (97) to 50 + 10 − 0 N·m (37 + 7 − 0 lb ft). 2/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 24. Illustration 4 g00709161 4. Install spool (96). Install O-ring seals (92), (93), (94), and (95) in the valve housing. Solenoid Valve and Housing Illustration 5 g00709094 1. Install O-ring seal (88) on plug (85). Install O-ring seal (89) on fitting (84). Install O-ring seal (90) on plug (86). Install O-ring seal (91) on fitting (87). Illustration 6 g00709093 3/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 25. 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.
  • 26. 2. Install fittings (84) and (87). Install plugs (85) and (86). Illustration 7 g00709092 3. Install O-ring seal (79), (80), (81), and (82) on solenoid valve (77). Install O-ring seal (83) on fitting (78). Illustration 8 g00709091 4. Install fitting (78). Install solenoid valve (77) in the housing. Install two bolts (76). Illustration 9 g00709090 5. Install O-ring seal (75) in the valve housing. 4/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 27. Illustration 10 g00709089 6. Install valve (74). Install two bolts (73). Illustration 11 g00709086 7. Install O-ring seal (70) on fitting (67). Install O-ring seal (71) on fitting (69). Install O-ring seal (72) on plug (68). Illustration 12 g00709083 8. Install fitting (67), plug (68), and fitting (69). 5/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 28. Illustration 13 g00709082 9. Install O-ring seal (62) on fitting (61). Install O-ring seal (63), (64), (65), and (66) on solenoid valve (60). Illustration 14 g00709080 10. Install fitting (61). Install solenoid valve (60) in the housing. Install two bolts (59). Illustration 15 g00709077 11. Install the O-ring seal (58) in the valve housing. 6/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 29. Illustration 16 g00709076 12. Install valve (56). Install two bolts (57). Line Relief Valve and Load Hold Check Valve Illustration 17 g00708972 1. Assemble the relief valve. a. Install O-ring seals (49), (50), and (46) on valve body (48). b. Install filter (43), collar (44), and ring (45) in valve (55). c. Install valve (55) in valve body (48). d. Tighten valve (55) to 135 ± 10 N·m (100 ± 7 lb ft). e. Install O-ring seal (52) and backup ring (51) on valve seat (53). Install spring (54). f. Install valve seat (53). Install O-ring seal (41) on holder (38). Install holder (38). 7/12 322C & 322C LN EXCAVATORS BGR00001-UP (MACHINE) POWERED BY 312... 2019/9/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...