Transfer Gears - Disassemble
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770 and 772 Off-Highway Trucks Power Train
[RENR8259]
770 and 772 Off-Highway Trucks Power Train
Transmission Planetary and Transfer Gears - Install
770 and 772 Off-Highway Trucks Power Train
Transfer Gears - Assemble
POWER TRAIN
GEAR GP
770 and 772 Off-Highway Trucks Power Train
Transmission Planetary and Transfer Gears - Separate
770 and 772 Off-Highway Trucks Power Train
Transmission Planetary and Transfer Gears - Connect
770 and 772 Off-Highway Trucks Power Train
Transmission Planetary and Transfer Gears - Remove
770 and 772 Off-Highway Trucks Power Train
Transmission Planetary and Transfer Gears - Install
770 and 772 Off-Highway Trucks Power Train
Transfer Gears - Disassemble
770 and 772 Off-Highway Trucks Power Train
Transfer Gears - Assemble
1.1. Disassembly Procedure
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | - | Forcing Bolt
3/8 in - 16 NC |
2 |
| B | 1P-0510 | Driver Group | 1 |
| C | 1P-0510 | Driver Group | 1 |
| 8B-7548 | Push-Puller Tool Group | 1 | |
| 8B-7550 | Leg | 2 | |
| 5P-4170 | Step Plate | 1 | |
| 8B-7551 | Puller | 1 | |
| 8H-0684 | Ratchet Wrench | 1 | |
Start By:
- Separate the transmission planetary and the transfer gears. Refer to Disassembly and Assembly, "Transmission Planetary and Transfer Gears - Separate".
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| 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. |
- Remove yoke (2). Put identification on bolts (1) for assembly purposes. Remove bolts (1), the washer and the spacers from the bearing cage.
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Illustration 2 g01408960 - Install Tooling (A) to bearing cage (3). Tighten Tooling (A) evenly in order to separate bearing cage (3) from the transfer gear case.
- Remove bearing cage (3) and the shims from the transfer gear case.
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Illustration 3 g00575496 - Remove bearing cup (5) and O-ring seal (7) from bearing cage (3).
- Use Tooling (B) (not shown) to remove lip seal (6) from bearing cage (3).
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Illustration 4 g00575498 - Remove transfer gear (8) from the transfer gear case.
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Illustration 5 g01408973 - Use Tooling (C) to remove bearing cones (9) from transfer gear (8).
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Illustration 6 g00575503 - Bend clip (12) away from the head of bolt (11). Remove bolt (11) that holds tube assembly (10) to the transfer gear case.
- Disconnect tube assembly (10). Remove tube assembly (10) and clip (12) from the transfer gear case.
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Illustration 7 g01408978 - Remove the bolts and the washers that hold bearing cage (13) to the transfer gear case. Install Tooling (A) to bearing cage (13). Tighten Tooling (A) evenly in order to separate bearing cage (13) from the transfer gear case.
- Remove bearing cage (13) from the transfer gear case.
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Illustration 8 g00575510 - Use Tooling (B) (not shown) to remove bearing cup (14) from bearing cage (13).
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Illustration 9 g00575644 - Remove shims (15) and transfer gear (16) from the transfer gear case.
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Illustration 10 g01408985 - Use Tooling (C) to remove bearing cones (17) from transfer gear (16).
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Illustration 11 g00575648 - Use Tooling (B) in order to remove bearing cup (18) from the transfer gear case.
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| |
| Illustration 1 | g00575403 |
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