Caterpillar Cat 325C and 325C L Excavator (Prefix JLD) Service Repair Manual Instant Download

Service Repair Manual Models 325C and325C L Excavator

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325C EXCAVATOR JLD Configuration: 325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 325C Excavator Machine Systems Media Number -RENR5367-11 Publication Date -01/01/2012 Date Updated -17/02/2017 i05453056 Final Drive - Remove SMCS - 4050-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty 8S-7611 Handle As 2 A 8S-7615 Pin As 2 283-1495 Stand Assembly 2 B 439-3939 Link Bracket As 2 154-6184 Forcing Bolt (M 20) 2 C 154-6185(1) Forcing Bolt (M 24) 2 (1)For Use on 329 and 330 sales models Start By: a. Separate the track assembly. b. Remove the travel motor. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 2/3 Illustration 1 g00489826 Typical Example Note: Adjust the height of Tooling (A) so that there is sufficient clearance between the sprocket and the track for the removal of the final drive. 1. Lift the side of the machine in order to install Tooling (A) under the frame, as shown. Illustration 2 g00712767 2. Fasten Tooling (B) and a suitable lifting device to final drive (1), as shown. Put a slight lifting tension on the final drive. Illustration 3 g00712737 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

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325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 3/3 Note: Mark the orientation of bolt holes (2) for the travel motor for installation purposes. 3. Remove bolts (3) and the washers from the final drive. Illustration 4 g00712749 4. Use Tooling (C) in order to remove the final drive from the frame. 5. Carefully remove final drive (1). The weight of final drive (1) and the sprocket is approximately 312 kg (688 lb). 6. Remove Tooling (C) from the frame. Copyright 1993 - 2020 Caterpillar Inc. Wed Jul 8 00:51:28 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 1/13 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325C EXCAVATOR JLD Configuration: 325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 325C Excavator Machine Systems Media Number -RENR5367-11 Publication Date -01/01/2012 Date Updated -17/02/2017 i04758849 Final Drive - Disassemble SMCS - 4050-015 Disassembly Procedure (227-6116) Table 1 Required Tools Tool Part Number Part Description Qty A 1P-2420 Transmission Repair Stand 1 B 138-7573 Link Bracket 2 C 1P-1863 Retaining Ring Pliers 1 D 194-3878 Spanner Socket 1 E 138-7574 Link Bracket 2 5F-7366 Forcing Screw 1 1P-5546 Crossblock 1 1U-9889 Crossblock 1 F 1P-0520 Driver Group 1 6V-7888 Puller Leg 2 1H-3112 Puller Assembly 1 1P-5551 Adjustable Screw Assembly 1 1U-7600 Slide Hammer Puller Gp 1 G 8T-0266 Bolt 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 2/13 Start By: A. Remove the final drive. Refer to Disassembly and Assembly, "Final Drive - Remove". 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: Some of the images that are in this procedure do not show the sprocket assembly that is attached to the final drive housing. If necessary, the weights that are given include the weight of the sprocket assembly. 1. Put an alignment mark across the sections of the final drive for assembly purposes. The parts must be reinstalled in the part's original locations. Illustration 1 g00708089 2. Fasten the final drive to Tooling (A), as shown. The weight of the final drive assembly is approximately 312 kg (688 lb). 3. Remove bolts (1) and the washers that hold the cover in position. Illustration 2 g00708090 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 3/13 4. Remove the setscrews from the cover. Fasten Tooling (B) and a suitable lifting device to cover (2), as shown. Remove the cover. The weight of the cover is approximately 32 kg (70 lb). Illustration 3 g00879362 5. Remove bolts (3). Remove gear (5). Check plate (6). Replace plate (6) if wear is shown. Remove plugs (4) from cover (2) . Illustration 4 g00879365 6. Remove O-ring seal (7) from plugs (4) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 4/13 Illustration 5 g00780428 7. Remove gear (8). Remove spacer (9) . Illustration 6 g00780432 8. Remove retaining ring (10) with Tooling (C). Remove washer (11). Remove gear (12). Remove bearing assembly (13). Remove second washer (11) . 9. Repeat Step 8 for the remaining two gear assemblies. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 5/13 Illustration 7 g00781401 10. Remove retaining ring (14) . Illustration 8 g00781407 11. Remove carrier assembly (15) . Illustration 9 g01389593 12. Use a suitable press in order to remove the shafts from carrier assembly (15) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 6/13 Illustration 10 g00781412 13. Remove gear (16). Remove spacer (17) . Illustration 11 g00781466 14. Remove retaining ring (18) . 15. Remove carrier assembly (19) . Illustration 12 g00879368 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 7/13 16. Disassemble carrier assembly (19), as follows. a. Drive spring pin (20) into planetary shaft (21) with a hammer and a punch. Illustration 13 g00781476 b. Remove planetary shaft (21) . c. Remove spring pin (20) from planetary shaft (21) with a hammer and a punch. Illustration 14 g00781516 d. Remove thrust washers (22) and planetary gear (24) from the carrier assembly. e. Remove bearing (23) from planetary gear (24) . 17. Repeat Steps 16.a through 16.e for the other two planetary. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 8/13 Illustration 15 g00781529 18. Remove gear (25). Remove spacer (26) . Illustration 16 g00781559 19. Remove carrier assembly (27) . 20. Use two people to remove carrier assembly (27). The weight of the carrier assembly is approximately 38 kg (85 lb). 21. Disassemble carrier assembly (27), as follows. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 9/13 Illustration 17 g00781719 a. Drive spring pin (29) into planetary shaft (28) with a hammer and a punch. Illustration 18 g00781601 b. Remove planetary shaft (28) . c. Remove spring pin (29) from planetary shaft (28) with a hammer and a punch. Illustration 19 g00781607 d. Remove thrust washers (30) and planetary gear (32) from the carrier assembly. e. Remove two bearings (31) from the planetary gear. 22. Repeat Steps 21.a through 21.e for the other two planetary gears. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engi... 10/13 Illustration 20 g00781730 23. Use two people to remove gear (33). The weight of gear is approximately 41 kg (90 lb). Illustration 21 g00781807 24. Remove O-ring seal (34) . Illustration 22 g01147650 25. Remove bolts (35A) and plates (35B) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engi... 11/13 Illustration 23 g01147651 26. Use Tooling (G) to remove dowel (37) from stopper plate (35) . Illustration 24 g01147759 27. Secure Tooling (D) to stopper plate (35). Use Tooling (D) to remove stopper plate (35) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engi... 12/13 Illustration 25 g01147930 28. Use Tooling (E) and a suitable lifting device to remove housing (36). The weight of housing (36) is approximately 100 kg (220 lb). Illustration 26 g01147951 29. Remove Duo-Cone seal (39A) from housing (38) . Illustration 27 g01147975 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engi... 13/13 Illustration 28 g01147934 30. Remove Duo-Cone seal (39B) from housing (36) . 31. Use Tooling (F) in order to remove bearings (40) and (41) from housing (36) . 32. If necessary, remove the final drive sprocket from the sprocket housing. Refer to Disassembly and Assembly, "Final Drive Sprocket - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Wed Jul 8 00:52:24 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 1/19 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325C EXCAVATOR JLD Configuration: 325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine Disassembly and Assembly 325C Excavator Machine Systems Media Number -RENR5367-11 Publication Date -01/01/2012 Date Updated -17/02/2017 i04758848 Final Drive - Assemble SMCS - 4050-016 Assembly Procedure (227-6116) Table 1 Required Tools Tool Part Number Part Description Qty A 1P-2420 Transmission Repair Stand 1 B 138-7573 Link Bracket 2 C 1P-1863 Retaining Ring Pliers 1 194-3878 Spanner Wrench As 1 D 194-3884 Spacer 1 E 138-7574 Link Bracket 2 H 6V-7030 Micrometer Depth Gauge Group 1 J FT-2770 Leak Down Test Tool 1 K 1U-6396 O-Ring Assembly Compound 1 L 5P-3931 Anti-Seize Compound 1 M 1U-8846 Gasket Sealant 1 N 8T-0531 Duo-Cone Seal Installer As 1 P 5P-3931 Anti-Seize Compound 1 Q 240-1886 Drill Fixture Gp 1 R 9S-3263 Thread Lock Compound 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 2/19 Note: Cleanliness is an important factor. Before assembly, clean all parts thoroughly 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 (K) during the assembly procedure. Note: Apply a light film of hydraulic oil to all components before assembly. Note: Some of the images that are in this procedure do not show the sprocket assembly that is attached to the final drive housing. If necessary, the weights that are given include the weight of the sprocket assembly. Illustration 1 g01147975 1. Apply Tooling (P) to the outer diameter of the bearings. 2. Use a suitable press to Install bearings (40) and (41). Make sure that bearing (41) and bearing (40) contact the counterbore in housing (36) . 3. Use Tooling (N) to install Duo-Cone seal (39B) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 3/19 Illustration 2 g01147981 4. Use Tooling (N) to install Duo-Cone seal (39A) onto housing (38). Illustration 3 g01147930 5. Use Tooling (E) and a suitable lifting device to install housing (36) onto housing (38). The weight of housing (36) is approximately 100 kg (220 lb). 6. Remove Tooling (E) from housing (36) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 4/19 Illustration 4 g01147724 7. Install stopper plate (35). Do not tighten stopper plate assembly (35) at this time. Note: Stopper plate (35) will secure housing (36) to housing (38) . 8. Install Tooling (E) and a suitable lifting device to housing (36). The combined weight of housing assembly (36) and (38) is approximately 120 kg (265 lb). Install housing assembly (36) and (38) in a suitable press. 9. Remove stopper plate (35) . Illustration 5 g01147727 10. Assemble Tooling (D), as shown. Illustration 6 g01147731 11. Install Tooling (D) into housing (36), as shown. 12. Apply a force of 4000 kg (8818 lb) to the top of Tooling (D). Rotate housing (36) in order to seat the bearings. 13. Reduce the force on the top of Tooling (D) to 1000 kg (2205 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 5/19 Illustration 7 g01147737 14. Use Tooling (H) to take a measurement in three locations. Average the three measurements and record the average measurement as Dimension (W) . 15. Remove Tooling (D) . 16. Separate Tooling (D) . Illustration 8 g01147743 17. Use a micrometer in order to measure the thickness at three locations of the spacer from Tooling (D). Record the average measurement as Dimension (X) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 6/19 Illustration 9 g01147742 18. Use a micrometer in order to measure the thickness at three locations of stopper plate (35). Record the average measurement as Dimension (Y) . 19. Subtract Dimension (X) from Dimension (Y) and record this figure as Dimension (Z) . Illustration 10 g01147724 20. Install stopper plate (35) onto housing (38). Do not tighten stopper plate (35) at this time. Stopper plate (35) will secure the final drive assembly while the final drive assembly is repositioned onto Tooling (A) . 21. Use Tooling (E) and a suitable lifting device to reposition the final drive assembly onto Tooling (A). The combined weight of housing assembly (36) and (38) is approximately 120 kg (265 lb). 22. Secure the final drive assembly to Tooling (A) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 7/19 Illustration 11 g01148004 23. Secure the spanner socket from Tooling (D) to stopper plate (35) . 24. In order to determine the final bearing preload, add Dimension (W) to Dimension (Z) and record this figure as Dimension (V) . 25. Use Tooling (H) to measure the distance in three locations. 26. Tighten stopper plate (35) until the average of the measurements is equal to Dimension (V) . 27. Remove Tooling (D) . Illustration 12 g01372092 28. Install Tooling (Q) and a suitable vacuum onto stopper plate (35) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 8/19 Illustration 13 g01147789 29. Use a suitable drill and Tooling (Q) in order to drill a hole to the depth of 15 mm (0.6 inch) in the stopper palte and in housing (38) . Illustration 14 g01147796 30. Install dowel (37) . Illustration 15 g01147650 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engine... 9/19 31. Apply Tooling (R) on bolts (35A). Install plate (35B) and bolts (35A) . 32. Repeat Steps 28 through 31 for the opposite side of stopper plate (35) . Illustration 16 g00781807 33. Install O-ring seal (34) on housing (36) . Illustration 17 g00781730 34. Install gear (33) on housing (36). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engi... 10/19 Illustration 18 g00781719 35. Assemble carrier assembly (27), as follows. Illustration 19 g00781607 a. Use a deburring tool in order to remove the metal burr from the openings in the carrier. b. Install two bearings (31) in planetary gear (32) . c. Install thrust washers (30) and planetary gear (32) in the carrier assembly. d. Install planetary shaft (28) in the carrier assembly. e. Align the split in spring pin (29) to the top or to the bottom. Make a stake mark on each side of the spring pin hole in the carrier. Each stake mark should be approximately 1.50 mm (0.059 inch) from the outside diameter of the spring pin hole. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

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325C & 325C L Excavators JLD00001-UP (MACHINE) POWERED BY 3126 Engi... 11/19 Illustration 20 g00903073 f. Drive spring pin (29) into planetary shaft (28) with a hammer and a punch. 36. Repeat Steps 35.a through 35.e in order to install the other two planetary gears in the carrier. Illustration 21 g00781559 37. Use two people to install carrier assembly (27) in gear (33). The weight of carrier assembly (27) is approximately 38 kg (85 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/7/8

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