- Wheel Loader
- 938H (S/N: MCC1-UP; MJC1-UP; JKM1-UP; LKM1-UP)
- Wheel Skidder
- 525C (S/N: 5251-UP)
- 535C (S/N: 5351-UP)
- 545C (S/N: 5451-UP)
- 535C (S/N: 5351-UP)
Reference: REHR8892Disassembly and Assembly, "Transmission - Assemble"
Introduction
This Special Instruction provides the instructions to assemble the first and third shaft in the transmission on the machines listed above.
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.
Important Safety Information
Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person must also have the necessary training, skills, and tools in order to perform these functions properly. Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance of a potential hazard. Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive.
Safety
 |
|
Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in injury or death. Contact your Cat dealer for replacement manuals. Proper care is your responsibility. |
|
|
Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine. |
| 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. |
Required Parts
| Required Parts | ||||
| Item | Qty | Part Number | Description | Former Part Number |
| 1 | 1 | Shaft As | ||
| 2 | 1 | Bearing As | NA | |
| 3 | 1 | Thrust Disc | NA | |
| 4 | 1 | Bearing Outer Races | ||
Transmission Shaft Assembly
- Install thrust discs (B) and gear (A) onto shaft assembly (1). Refer to Illustration 2.
- Install retaining ring (C) onto shaft assembly (1). Refer to Illustration 2.
Show/hide table
Illustration 3 g06096613 Roller bearing installation
(1)499-1899 Shaft As
(2)140-8010 Bearing As
(3)7T-4897 Thrust Disc
(A)3T-6572 Gear - Install thrust disc (3) and roller bearing (2) onto shaft assembly (1) as shown in Illustration 3. Ensure roller bearing (2) is seated properly.
Note: The bearing should be heated to
132° C (270 ° F) .Show/hide table
Illustration 4 g06096796 Seal ring installation
(1)499-1899 Shaft As
(2)140-8010 Bearing As
(3)7T-4897 Thrust Disc
(D)265-5287 Seal Ring - Install seal ring (D) onto shaft assembly (1). Refer to Illustration 4.
Show/hide table
Illustration 5 g06096625 Bearing outer race installation
(4)8E-5157 Bearing Outer Race
(E) Bore
(F)286-9049 Transmission Case - Install bearing outer race (4) into transmission case (F). Ensure bearing outer race (4) is seated properly in bore (E). Refer to Illustration 5.
Note: The race should be cooled to
−40° C (−40° F) Note: 8E-5157 Bearing Outer Race replaces 170-1807 Race Bearing for 286-9049 Transmission Case assembly.
- To complete the transmission assembly, refer to REHR8892, Disassembly and Assembly.
| |
| Illustration 1 | g06096575 |
|
Shaft assembly (1) | |
| |
| Illustration 2 | g06096595 |
|
Shaft assembly gear (1) (A) (B) (C) | |
