Caterpillar Cat M325D L MH EXCAVATOR (Prefix KGG) Service Repair Manual Instant Download

Service Repair Manual Models M 325DL M HEXCAVATOR

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 1/21 Shutdown SIS Previous Screen Product: EXCAVATOR Model: M325D L MH EXCAVATOR KGG Configuration: M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine Disassembly and Assembly M325D Material Handler Machine Systems Media Number -RENR9719-02 Publication Date -01/03/2011 Date Updated -16/03/2011 i02334409 Main Hydraulic Pump - Disassemble SMCS - 5070-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 5F-7465 Puller Group 1 B 1P-2420 Transmission Repair Stand 1 C 138-7575 Link Bracket 3 D 1P-0510 Driver Group 1 E 1P-1859 Retaining Ring Pliers 1 F 9S-9152 Bearing Puller 1 G 8B-7551 Bearing Puller 1 Start By: A. Remove the main hydraulic pump. Refer to Disassembly and Assembly, "Piston Pump (Main Hydraulic) - Remove". B. Remove the pump control. Refer to Disassembly and Assembly, "Pump Control - Remove". NOTICE Keep all parts clean from contaminants. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 2/21 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 dirt from entering the internal mechanism. Note: If a failure occurs, an accurate diagnosis of the cause can prevent a recurrence. Information is available to analyze failures for piston pumps and motors. Refer to Special Publication, SEBD0641, "Analyzing Axial Piston Pump and Motor Failures". Note: Inspect all parts. If any parts are worn or damaged use new parts for replacement. The installation of used parts during reconditioning is acceptable. Reuse and salvage information is available on piston pumps. Refer to Guideline For Reusable Parts and Salvage Operations, SEBF8032, "Piston Pumps and Motors". During reconditioning, correct any conditions that might have caused the original failure. Illustration 1 g00883045 1. Loosen bolts (2) from pump coupling (1). Place a mark across pump coupling (1) and the shaft for assembly purposes. Remove pump coupling (1) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

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M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 3/21 Illustration 2 g00706766 2. Use Tooling (A) to remove seal assembly (4). Remove bolts (3). Remove bell housing (5) and the gasket. Illustration 3 g00706789 3. Remove O-ring seal (6) and lip seal (7) from the seal assembly. Illustration 4 g00883046 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 4/21 4. Place the main hydraulic pump on Tooling (B). Remove bolts (9) from head (10). Remove charge pump (8) from head (10) . Illustration 5 g00913778 5. Remove O-ring seal (11) from head (10) . Illustration 6 g00913779 6. Remove the harness assembly from the wire clips. Remove pressure sensors (12) from head (10). Remove bolts (14). Remove bracket (13) from head (10) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 5/21 Illustration 7 g00913780 7. Remove O-ring seal (15) from pressure sensor (12) . Illustration 8 g00913782 8. Remove bolts (17). Remove bolt (16). Attach Tooling (C). Use a suitable lifting device and remove head (10). The weight of head (10) is approximately 41 kg (90 lb). Illustration 9 g00913784 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 6/21 9. Remove caps (18) from nipples (21). Remove nipples (21). Remove bolts (19) from head (10). Remove covers (20) from head (10) . Illustration 10 g00913786 10. Remove O-ring seals (22) from nipples (21) . Illustration 11 g00913788 11. Remove O-ring seal (23) from covers (20) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 7/21 Illustration 12 g00913789 12. Remove bolts (25) from head (10). Remove cover (24) from head (10) . Illustration 13 g00913792 13. Remove O-ring seal (26) from head (10) . Illustration 14 g00706912 14. Use Tooling (D) to remove bearings (27) from the head. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 8/21 Illustration 15 g00913793 15. Remove plugs (28). Remove plugs (29) from head (10) . Illustration 16 g00913795 16. Remove orifices (30) from head (10) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 9/21 Illustration 17 g00706946 Note: Note the position of port plates (33) and (34) for assembly purposes. The port plates must be installed in the original position during the assembly. 17. Remove O-ring seals (31) and O-ring seal (32) from the pump housing (35). Remove port plate (33) and port plate (34) . Illustration 18 g00913797 18. Remove plugs (36). Remove eight bolts (37). Remove two bolts (39). Remove covers (38) from pump housing (35) . Illustration 19 g00913799 19. Remove O-ring seal (40) from plugs (36) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 10/21 Illustration 20 g00913802 20. Remove O-ring seal (41) from covers (38) . Illustration 21 g00913806 21. Remove plug (42) from covers (38) . Illustration 22 g00913808 22. Remove O-ring seals (43) from pump housing (35) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 11/21 Illustration 23 g00913811 23. Remove plugs (46). Remove bolts (44). Remove covers (45) from pump housing (35) . Illustration 24 g00913813 24. Remove O-ring seal (47) from plugs (46) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 12/21 Illustration 25 g00913814 25. Remove O-ring seal (48) from covers (45) . Illustration 26 g00913817 26. Remove barrel assembly (49) and barrel assembly (50) from pump housing (35) . Note: It may be necessary to use string to aid in the removal procedure. The barrel assembly must be installed in the original position during assembly. Illustration 27 g00707124 Note: Mark the pistons and the barrel for assembly purposes. 27. Remove piston assembly (51) from barrel (52) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 13/21 Illustration 28 g00707137 28. Remove pistons (53) from piston plate (54) . Illustration 29 g00913836 29. Remove cap (55) from barrel (52) . Illustration 30 g00913840 30. Remove retainer (56) from barrel (52) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 14/21 Illustration 31 g00913841 31. Remove springs (57) from barrel (52) . 32. Repeat Step 27 through Step 31 for the remaining barrel assembly. Illustration 32 g00707204 Note: The pump has been removed from Tooling (B) for photographic purposes only. 33. Use Tooling (E) to remove retaining rings (58) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 15/21 Illustration 33 g00913845 34. Remove shaft assembly (59) and shaft assembly (60) from pump housing (35) . Illustration 34 g00913847 35. Use Tooling (F) and a suitable press to remove bearing (61) from shaft assembly (59) . Illustration 35 g00913849 36. Remove ring (62) from shaft assembly (59) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 16/21 Illustration 36 g00913850 37. Use Tooling (G) and a suitable press to remove bearing (63) from shaft assembly (59) . Illustration 37 g00913854 38. Remove spacer (64). Use Tooling (E) to remove retaining ring (58) from shaft assembly (59) . 39. Repeat Step 35 through Step 38 for shaft (60) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 17/21 Illustration 38 g00913855 Note: Note the position of swashplate assemblies (65) and (66) for assembly purposes. Swashplates (65) and (66) must be installed in the original position during the assembly procedure. 40. Remove swashplate assembly (65) and swashplate assembly (66) from pump housing (35) . Note: The swashplates must be installed in the original position during assembly. Illustration 39 g00913857 41. Remove plate (67) from swashplate assembly (65) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 18/21 Illustration 40 g00913859 42. Remove bearings (68) from swashplate assembly (65) . Illustration 41 g00913861 43. Remove dowel pins (69) from swashplate (65) . Illustration 42 g00913864 44. Remove bearing (70) from swashplate (65) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 19/21 45. Repeat Step 41 through Step 44 for swashplate assembly (66) . Illustration 43 g00913868 46. Remove bearings (71) from pump housing (35) . Illustration 44 g00913869 47. Remove guide pins (72) from pump housing (35) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 20/21 Illustration 45 g00913870 48. Remove bolts (73). Remove cover (74) from pump housing (35) . Illustration 46 g00913871 49. Remove gasket (75) from pump housing (35) . Illustration 47 g00913873 50. Remove plug (77) and plug (80). Remove fitting (79). Remove dowel pins (76) and guide pins (78) from pump housing (35) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engi... 21/21 Illustration 48 g00913874 51. Remove O-ring seal (81) from fitting (79). Remove O-ring seal (82) from plug (77). Remove O-ring seal (83) from plug (80) . Copyright 1993 - 2020 Caterpillar Inc. Tue Nov 24 10:28:32 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 1/21 Shutdown SIS Previous Screen Product: EXCAVATOR Model: M325D L MH EXCAVATOR KGG Configuration: M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine Disassembly and Assembly M325D Material Handler Machine Systems Media Number -RENR9719-02 Publication Date -01/03/2011 Date Updated -16/03/2011 i02334417 Main Hydraulic Pump - Assemble SMCS - 5070-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty B 1P-2420 Transmission Repair Stand 1 C 138-7575 Link Bracket 3 1P-0510 Driver Group 1 D 1U-8605 Seal Guide 1 E 1P-1859 Retaining Ring Pliers 1 Note: If a failure occurs, an accurate diagnosis of the cause can prevent a recurrence. Information is available to analyze failures for piston pumps and motors. Refer to Special Publication, SEBD0641, "Analyzing Axial Piston Pump and Motor Failures". Note: Inspect all parts. If any parts are worn or damaged use new parts for replacement. The installation of used parts during reconditioning is acceptable. Reuse and salvage information is available on piston pumps. Refer to Guideline For Reusable Parts and Salvage Operations, SEBF8032, "Piston Pumps and Motors". During reconditioning, correct any conditions that might have caused the original failure. 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. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 2/21 Note: O-rings, gaskets, and seals should always be replaced. A used O-ring may not have the same sealing properties as a new O-ring. Use 1U-6396 O-Ring Assembly Compound during the assembly procedure. Note: Apply a light film of hydraulic oil to all components before assembly. 1. Assemble the main hydraulic pump on Tooling (B). Illustration 1 g00707243 2. Install O-ring seal (81) onto the fitting. Install O-ring seal (82) and O-ring seal (83) onto the plugs. Illustration 2 g00707244 3. Install plug (77) and plug (80). Install fitting (79). Install dowel pins (76) and guide pins (78) into the pump housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 3/21 Illustration 3 g00707241 4. Install gasket (75) onto the pump housing. Illustration 4 g00707240 5. Install cover (74) onto the pump housing. Install four bolts (73). Illustration 5 g00707239 6. Install guide pins (72) into the pump housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

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M325D L Material Handler KGG02000-UP (MACHINE) POWERED BY C7 Engine(... 4/21 Illustration 6 g00707238 7. Install bearings (71) into the pump housing. Illustration 7 g00707234 8. Install bearing (70) into the swashplate. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/11/24

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