Caterpillar Cat 325D and 325D L Excavator (Prefix CYW) Service Repair Manual Instant Download

Service Repair Manual Models 325D and325DL Excavator

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 3/26 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 H 1U-6396 O-Ring Assembly Compound 1 Illustration 1 g01200516 1. Install gasket (107) onto pump housing (72) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 4/26 Illustration 2 g01200514 2. Install cover (106) and bolts (105) onto pump housing (72) . Illustration 3 g01200512 3. Install guide pins (104) onto pump housing (72) . Illustration 4 g01200511 4. Install bearings (103) onto pump housing (72) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

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325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 5/26 Illustration 5 g01200510 5. Install bearing (102) into swashplate (97) . Illustration 6 g01200509 6. Install dowel pins (101) into swashplate (97) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 6/26 Illustration 7 g01200507 7. Install bearings (100) onto swashplate assembly (97) . Illustration 8 g01200506 8. Install plate (99) onto swashplate assembly (97) . 9. Repeat Step 5 through Step 8 for swashplate assembly (98) . Illustration 9 g01200504 10. Install swashplate assemblies (97) and (98) into pump housing (72) . Note: The swashplate assemblies must be installed in the original position during assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 7/26 Illustration 10 g03723301 11. Install retaining ring (90) onto shaft assembly (91) . Illustration 11 g01201656 12. Raise the temperature of bearing (95) and bearing (93) . Install bearing (95) and bearing (93) onto shaft assembly (91) . Illustration 12 g01200498 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 8/26 13. Install ring (94) onto shaft assembly (91) . 14. Repeat Step 11 through Step 13 for shaft assembly (92) . Illustration 13 g01201657 Illustration 14 g01201658 15. Lower the temperature of the shaft assemblies. Install shaft assemblies (91) and (92) into pump housing (72) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 9/26 Illustration 15 g01200492 Note: The pump has been removed from Tooling (B) for photographic purposes only. 16. Use Tooling (E) to install retaining rings (90) . Illustration 16 g01200491 17. Install springs (89) into barrel (84) . Illustration 17 g01200488 18. Install retainer (88) onto barrel (84) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 10/26 Illustration 18 g01200487 19. Install cap (87) onto barrel (84) . Illustration 19 g01200486 20. Install pistons (85) into piston plate (86) . Illustration 20 g01200485 21. Install piston assembly (83) into barrel (84) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 11/26 22. Repeat Step 17 through Step 21 for the remaining barrel assembly. Illustration 21 g01200482 23. Install barrel assemblies (81) and (82) into pump housing (72) . Note: It may be necessary to use string to aid in the removal procedure. The barrel assemblies must be installed in the original position during assembly. Illustration 22 g01200481 24. Install O-ring seal (80) onto covers (78) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 12/26 Illustration 23 g01200477 25. Install covers (78) , bolts (77) , and plugs (79) onto pump housing (72) . Illustration 24 g01200478 26. Install O-ring seals (76) into pump housing (72) . Illustration 25 g01200475 27. Install plug (76) into covers (75) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 13/26 Illustration 26 g01200473 28. Install covers (75) , bolts (74) , and plugs (73) onto pump housing (72) . Illustration 27 g01200472 29. Install O-ring seals (68) and (69) onto pump housing (72) . Install port plates (70) and (71) . Note: The port plates must be installed in the original position during assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 14/26 Illustration 28 g01200471 30. Install orifices (67) into head (58) . Illustration 29 g01200462 31. Install plugs (65) and (66) into head (58) . Illustration 30 g01201668 32. Install bearings (64) into the head. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 15/26 Illustration 31 g01200459 33. Install O-ring seal (63) into covers (61) . Illustration 32 g01200458 34. Install nipples (62) , covers (61) and bolts (60) onto head (58) . Install caps (59) onto nipples (62) . Illustration 33 g01200457 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 16/26 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. 35. Attach Tooling (C) and a suitable lifting device to head (10) . Install head (58) , bolts (56) , and bolts (57) . The weight of head (58) is approximately 41 kg (90 lb). Illustration 34 g01200392 36. Install O-ring seal (54) and lip seal (55) onto the seal assembly. Illustration 35 g01201683 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 17/26 37. Install shrink wrap on the shaft. This will protect the seal during the installation procedure. Install the gasket and bell housing (53) . Install bolts (51) . Illustration 36 g01201684 38. Use Tooling (D) to install seal assembly (52) . Illustration 37 g00706275 39. Install plugs (49) . Install three plugs (50) into the pump control. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 18/26 Illustration 38 g00882609 40. Install slide plate (47) and dowel (48) onto the control linkage. Illustration 39 g00706273 41. Install control linkage (46) and sleeve (45) into the pump control. Illustration 40 g00706272 42. Install O-ring seal (44) onto the pin. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 19/26 Illustration 41 g00706271 43. Install pin (43) into the pump control. Illustration 42 g00882608 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. 44. Install shims (38) , spool (39) , spring (40) , spring (41) , and control piston (42) into the pump control. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 20/26 Illustration 43 g00706267 45. Install O-ring seal (37) onto the cover. Illustration 44 g00706266 46. Install cover (36) onto the pump control. Install bolts (35) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 21/26 Illustration 45 g00706265 47. Install pilot piston (34) into the pump control. Illustration 46 g00882601 48. Install ball (33) into the guide. Install guide (32) into the pump control. Install spring (31) and spring (30) into the pump control. Illustration 47 g00882599 49. Install O-ring seal (26) onto the adjuster. Install adjuster (24) . Install setscrew (22) . Install nut (23) and nut (25) . Install O-ring seal (27) onto the retainer. Install retainer (29) . Install O-ring seal (28) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 22/26 Illustration 48 g00706249 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. 50. Install cover assembly (21) into the pump control. Install bolts (20) . Illustration 49 g00706243 51. Install dowel pin (19) into the pin. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 23/26 Illustration 50 g00706239 52. Place the pump control in a soft jawed vise. Support pin assembly (17) . Install pin assembly (17) into the pump control. Install piston (18) into the pump control. Illustration 51 g00706179 53. Install O-ring seal (15) and backup ring (16) onto the stopper. Illustration 52 g00706177 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 24/26 54. Install stopper (14) into the pump control. Illustration 53 g00882598 55. Install screw (13) . Install bolts (11) . Install cover (12) into the pump control. Illustration 54 g00706166 56. Install nut (10) onto the pump control. 57. Repeat Step 53 through Step 56 for the other side of the pump control. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 25/26 Illustration 55 g01202631 Right Pump Only 58. Install O-ring seal (6) , O-ring seal (7) , O-ring seal (8) , and O-ring seal (9) onto the proportional reducing valve. Illustration 56 g01202630 Right Pump Only 59. Install proportional reducing valve (5) onto pump control (1) . Install bolts (4) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engi... 26/26 Illustration 57 g01200312 60. Install pump control (1) . 61. Install bolts (2) and fitting (3) . End By: Install the main hydraulic pump. Refer to Disassembly and Assembly, "Main Hydraulic Pump - Install". Copyright 1993 - 2020 Caterpillar Inc. Sat May 23 12:33:20 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... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 1/9 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325D L EXCAVATOR CYW Configuration: 325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine Disassembly and Assembly 324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems Media Number -RENR8646-22 Publication Date -01/02/2015 Date Updated -12/09/2018 i07305499 Main Hydraulic Pump - Install SMCS - 5070-012 S/N - A3R1-UP S/N - AZP1-UP S/N - BFC1-UP S/N - BTK1-UP S/N - BYS1-UP S/N - CYW1-UP S/N - CZF1-UP S/N - DBH1-UP S/N - DJF1-UP S/N - DTZ1-UP S/N - EBM1-UP S/N - EJC1-UP S/N - GBR1-UP S/N - GPB1-UP S/N - GPK1-UP S/N - J8D1-UP https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 2/9 S/N - J9D1-UP S/N - JAT1-UP S/N - JHJ1-UP S/N - JJG1-UP S/N - JZR1-UP S/N - KBE1-UP S/N - L5G1-UP S/N - LAB1-UP S/N - LAL1-UP S/N - MCL1-UP S/N - MNB1-UP S/N - MND1-UP S/N - NAC1-UP S/N - PAL1-UP S/N - PKE1-UP S/N - PYT1-UP S/N - RSK1-UP S/N - SCR1-UP S/N - SCY1-UP S/N - SYM1-UP S/N - T2D1-UP S/N - T2S1-UP S/N - TPM1-UP S/N - TRH1-UP S/N - TSN1-UP S/N - TZL1-UP https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 3/9 S/N - WDK1-UP S/N - WLT1-UP S/N - XDB1-UP S/N - YFW1-UP Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 439-3940 Link Bracket 1 B 1U-9200 Lever Puller Hoist 1 C 439-3939 Link Brackets 2 Illustration 1 g01215928 1. Install O-ring seal (44). Illustration 2 g01215724 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

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325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 4/9 2. Install pilot pump (43) and install bolts (42). Illustration 3 g01215672 3. Install adapter (41) and install bolts (38). Install O-ring seal (40) and install coupling (39). Illustration 4 g01215665 4. Install auxiliary pump (37) and install bolts (36). Illustration 5 g03397798 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

325D & 325D L Excavators CYW00001-UP (MACHINE) POWERED BY C7 Engine... 5/9 Note: If the coupling is stepped on one end, the stepped end should be installed facing out towards the engine. 5. If equipped with flexible coupling. Tighten bolts (34A) to a torque of 110 10 N m (81 7 lb ft). Tighten the bolts that hold coupling insert (35A) to a torque of 320 10 N m (236 7 lb ft). Illustration 6 g01215580 6. If equipped with hub type coupling. Install gear (35) and install bolt (34). Torque bolt (34) to 240 20 N m (177 15 lb ft). Illustration 7 g01215556 7. Install main hydraulic pump (32). The weight of main hydraulic pump (32) is approximately 250 kg (550 lb). Install bolts (33). Remove Tooling (A), (B), and (C). Remove the suitable lifting device. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/5/23

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