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Caterpillar Cat M318C WHEELED Excavator (Prefix BCZ) Service Repair Manual (BCZ02001 and up)

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Caterpillar Cat M318C WHEELED Excavator (Prefix BCZ) Service Repair Manual (BCZ02001 and up)

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  1. Service Repair Manual Models M 318C WHEELEDExcavator

  2. w 1/13(W) Shutdown SIS Previous Screen Product: WHEELED EXCAVATOR Model: M318C WHEELED EXCAVATOR BCZ Configuration: M318C Excavator BCZ02001-UP (MACHINE) POWERED BY 3056E Engine Disassembly and Assembly M318C Wheeled Excavator Power Train Media Number -RENR6675-05 Publication Date -01/08/2018 Date Updated -29/08/2018 i04706197 Final Drive Carriers, Hubs and Brakes - Disassemble - Front Axle SMCS - 4054-015; 4092-015; 4253-015; 4255-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 147-1744 Bearing Puller 1 B 1P-0510 Driver Gp 1 C 1P-1859 Retaining Ring Pliers 1 D 5F-4764 Pry Bar 2 6V-6080 Torque Multiplier Gp 1 E 4C-4061 Center Ring 1 4C-4058 Spanner 1 F 1U-6415 Three Jaw Puller 1 G 1U-6405 Three Jaw Puller 1 H 1P-1853 Retaining Ring Pliers 1 J 1U-8758 Retaining Ring Pliers 1 6V-9508 Face Seal Plug 1 ZZ 6V-9829 Cap As 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  3. w 2/13(W) Start By: A. Remove the tire and rim (front). Refer to Disassembly and Assembly, "Tire and Rim - Remove (Front)". B. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release". Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates. At operating temperature, the hydraulic oil is hot and under pressure. Hot oils can cause burns. To prevent possible personal injury, release the pressure in the work tool hydraulic circuit (boom, stick, bucket, and swing), travel circuits, and the hydraulic oil tank at the filler cap before any hydraulic lines or components are disconnected or removed. Remove the filler cap only when the engine is stopped and the filler cap is cool enough to touch. 1. Drain the front final drives. Final drives with oil cooled disc brakes have approximately 2.0 L (.5 US gal). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  4. w 3/13(W) Illustration 1 g01137933 2. Attach a suitable lifting device to carrier housing (2) . 3. Remove retaining bolts (1) . 4. Remove carrier housing (2) . The weight of carrier housing (2) is approximately 25 kg (55 lb). Illustration 2 g01138122 5. Disconnect hose assembly (3) and plug. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  5. w 4/13(W) Illustration 3 g01137909 6. Use Tooling (C) in order to remove retaining ring (4) . 7. Use Tooling (D) in order to remove planetary gears (5) from the housing. 8. Remove thrust washer (6) . Illustration 4 g00894127 9. Remove retaining rings (8) and the washers from planetary gear (5) . 10. Remove roller bearing (7) from planetary gear (5) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  6. w 5/13(W) Illustration 5 g01139326 11. Use Tooling (H) in order to remove retaining ring (9) . Illustration 6 g00894129 12. Remove washer (10) . 13. Remove hex bolt (11) . Illustration 7 g00894130 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  7. w 6/13(W) 14. Remove sun gear (13) . 15. Remove gear (12) . Illustration 8 g01139321 16. Use Tooling (J) in order to remove retaining ring (14) . 17. Remove thrust washer (15) . Illustration 9 g00894133 18. Remove four discs (16) and three plates (17) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  8. w 7/13(W) Illustration 10 g00894135 19. Remove thrust washer (18) . 20. Remove lockring (19) from spanner nut (20) . Illustration 11 g00894136 21. Install Tooling (E) . Illustration 12 g00894137 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  9. w 8/13(W) 22. Install Tooling (E) in order to remove spanner nut (20) . Illustration 13 g01138352 23. Install Tooling (F) , Tooling (B) , and a suitable lifting device in order to remove ring gear assembly (21) . Illustration 14 g00894139 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. 24. Remove nuts (22) and brake piston (23) from ring gear assembly (21) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  10. w 9/13(W) Illustration 15 g00894140 25. Remove bolts (24) and the springs from ring gear assembly (21) . 26. Remove O-ring seal (25) and the backup ring. Illustration 16 g00894141 27. Remove retaining ring (26) from the gear assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  11. w 10/13(W) Illustration 17 g00894142 Illustration 18 g00894145 28. Use a hammer and a punch in order to remove brake piston (23) and ring (27) from ring gear assembly (21) . 29. Remove seals (28) . 30. Remove backup rings (29) . Illustration 19 g00894146 31. Remove O-ring seal (30) from hub assembly (31) . 32. Remove O-ring seal (32) , and the O-ring seal from spindle (33) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  12. w 11/13(W) Illustration 20 g01138353 33. Attach Tooling (F) , Tooling (B) , and a suitable lifting device in order to remove hub assembly (31) . 34. Remove hub assembly (31) . Illustration 21 g00894675 Note: When hub (31) is removed from the spindle the outer bearing cone (34) will be loose. 35. Remove bearing cone (34) from hub assembly (31) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  13. w 12/13(W) Illustration 22 g00894676 36. Remove inner bearing cup (35) from hub assembly (31) . Illustration 23 g00894677 37. Remove seal (37) from hub assembly (31) . 38. Remove outer bearing cup (36) from hub assembly (31) . Illustration 24 g00894678 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  14. w 13/13(W) 39. Remove spacer (38) from spindle (33) . Illustration 25 g01138354 40. Install Tooling (G) , Tooling (B) , and Tooling (A) . 41. Remove inner bearing cone (39) from the spindle. Copyright 1993 - 2020 Caterpillar Inc. Mon Apr 6 08:12:32 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  15. w 1/19(W) Shutdown SIS Previous Screen Product: WHEELED EXCAVATOR Model: M318C WHEELED EXCAVATOR BCZ Configuration: M318C Excavator BCZ02001-UP (MACHINE) POWERED BY 3056E Engine Disassembly and Assembly M318C Wheeled Excavator Power Train Media Number -RENR6675-05 Publication Date -01/08/2018 Date Updated -29/08/2018 i04706203 Final Drive Carriers, Hubs and Brakes - Assemble - Front Axle SMCS - 4054-016; 4092-016; 4253-016; 4255-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty B 1P-0510 Driver Gp 1 C 1P-1859 Retaining Ring Pliers 1 6V-6080 Torque Multiplier Gp 1 E 4C-6061 Center Ring 1 4C-4058 Spanner 1 F 1U-6415 Three Jaw Puller 1 H 1P-1853 Retaining Ring Pliers 1 J 1U-8758 Retaining Ring Pliers 1 K 123-6707 Seal Installer 1 L 6V-7030 Micrometer Depth Gauge Group 1 M 8T-0447 Dial Caliper 1 N 188-7400 Piston Installer 1 P 1P-0808 Multipurpose Grease 1 R 9S-7354 Torque Wrench Gp 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  16. w 2/19(W) S 9U-5006 Torque Wrench 1 Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times. Illustration 1 g00895163 1. Raise the temperature of inner bearing cone (39). 2. Install inner bearing cone (39) onto spindle (33). Illustration 2 g01138419 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  17. w 3/19(W) Illustration 3 g00895164 3. Lower the temperature of bearing cup (35) and (36). 4. Use Tooling (B) in order to install bearing cup (36) and (35). Note: Do not install seals at this time. Illustration 4 g00894678 5. Install spacer (38) onto spindle (33). Illustration 5 g00895166 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  18. w 4/19(W) 6. Raise the temperature of bearing cone (34). 7. Install hub assembly (31). 8. Install bearing (34) onto spindle (33). Illustration 6 g00895308 Illustration 7 g01139371 9. Install ring gear assembly (21) onto spindle (33). 10. Install spanner nut (20). 11. Install Tooling (E) onto spanner nut (20). 12. Rotate the hub while spanner nut (20) is being tightened. Use Tooling (S) in order to tighten the spanner nut to a torque of 1200 N·m (885 lb ft). Do not exceed a torque of 1464 N·m (1080 lb ft). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  19. w 5/19(W) Illustration 8 g00895310 13. Install Tooling (R). Note: Tooling (R) must be in line with the radius of the hub, as shown. Note: The required rolling torque for the roller bearing is 15 ± 3 N·m (133 ± 27 lb in). Note: The required rolling torque for the roller bearing must be measured from the center of the hub. Tooling (R) is not attached to the center of the hub, but to the wheel stud. The torque reading for Tooling (R) has been recalculated. The calculation is based on the length of Tooling (R). The torque reading on Tooling (R) must be 8.2 ± 1.6 N·m (73 ± 14 lb in). This setting on Tooling (R) will obtain the required rolling torque of 15 ± 3 N·m (133 ± 27 lb ft). Note: If Tooling (R) is not used, the torque must be recalculated. Refer to Sliderule Torque Computer, SEHS7150. If the sliderule torque computer is not available, calculate the torque by using the following formula: (15 ± 3 N·m) X (L / (L+R)). L = the length of the arm of the torque wrench. R = the distance between the center of the hub and the wheel stud. 14. Use Tooling (R) to slowly rotate the hub. Record the amount of torque that is required to rotate the hub. The torque reading on Tooling (R) must be 8.2 ± 1.6 N·m (73 ± 14 lb in). If the rolling torque is not correct, repeat Step 5 through Step 13 using a different bushing. If the rolling torque is greater than the value that is specified, install the next wider bushing. If the rolling torque is less than the specified value, install the next narrower bushing. Recheck the rolling torque. Note: After the correct size for spindle (33) and the correct rolling torque are obtained, the ring gear and the hub are removed in order to install the seals. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  20. w 6/19(W) Illustration 9 g00895712 15. Install Tooling (E). 16. Remove spanner nut (20). Illustration 10 g01138352 17. Install Tooling (F), Tooling (B), and a suitable lifting device. 18. Remove ring gear assembly (21). Illustration 11 g01138353 19. Install Tooling (F), Tooling (B), and a suitable lifting device. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  21. w 7/19(W) 20. Remove hub (31). Illustration 12 g00895726 21. Use Tooling (K) in order to install seal (37) into hub (31). Illustration 13 g00895727 22. Install hub (31) onto spindle (33). 23. Heat bearing cone (34). 24. Install bearing cone (34) onto spindle (33). 25. Install backup ring (32) and the O-ring seal onto spindle (33). 26. Install the backup ring and the O-ring seal (30) onto hub (31). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  22. w 8/19(W) Illustration 14 g00895734 27. Install retainer (26). 28. Install retaining ring (27) into ring gear assembly (21). Illustration 15 g00895737 Note: Slightly stretch one of the seals (28) prior to installing the seal on the larger diameter. Heat two backup rings (29) in an oil bath prior to installing the backup rings. 29. Install backup rings (29) and seal (28) onto brake piston (23). Install the seals so that the oil grooves are facing each other. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  23. w 9/19(W) Illustration 16 g00895738 30. Install Tooling (N) on brake piston (23), as shown. Install the centering ring (part of Tooling (N)) on the brake piston first. The centering ring is the larger ring in Tooling (N). Install the installer (part of Tooling (N)) on the brake piston. Remove the centering ring from the brake piston. Illustration 17 g00896100 31. Use a press to carefully position brake piston (23) against the shoulder in ring gear assembly (21). Remove the installer (part of Tooling (K)) from the brake piston. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

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  25. w 10/19(W) Illustration 18 g00896101 32. Position O-ring seal (25) and the backup ring. 33. Install the springs and bolts (24) into ring gear assembly (21). Illustration 19 g00896103 Illustration 20 g00896104 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

  26. w 11/19(W) Illustration 21 g00896105 34. Apply 9S-3263 Thread Lock Compound on the threads of eight socket head bolts (24). Tighten nuts (22) until Distance (W) between the threaded end of each socket head bolt and the contact surface of brake piston (23) is 0.75 ± 0.25 mm (0.030 ± 0.010 inch). Use Tooling (L) to measure Distance (W) at each socket head bolt. The maximum torque of each nut that is used on the end of socket head bolts (24) must not exceed 11 N·m (8 lb ft). Illustration 22 g00896107 Note: Make sure that the holes for the supply oil in the spindle align with the holes for the supply oil in the ring gear. 35. Apply clean hydraulic oil on O-ring seal (32) and on the split ring that is located on the housing for the steering axle. Make sure that the ends of the split ring are in contact with each other. ApplyTooling (P) to O-ring seal (32) and the split ring. Install ring gear (21) on the housing for the steering axle assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2020/4/6

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