Required Tools | |||
---|---|---|---|
Tool | Part Number | Part Description | Qty |
A | 439-3939 | Link Bracket | 2 |
B | 439-3938 | Link Bracket | 2 |
Start by:
a. Remove the head assembly and bushing.
Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned to prevent dirt from entering the internal mechanism.
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 bolts (1) and cover plate (2).
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Illustration 2 g06029184 - Disconnect hose assemblies (3) and remove connectors (4).
- Repeat Steps 1 and 2 for the other four locations.
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Illustration 3 g06029187 Show/hide tableIllustration 4 g06029189 Show/hide tableIllustration 5 g06029195 - Attach Tooling (A) and a suitable lifting device to hydraulic rotator (5). The weight of hydraulic rotator (5) is approximately
250 kg (551 lb) . - Remove plug assembly (6).
- Rotate hydraulic rotator (5) to access bolts (7) to remove. Remove bolts (7) and hydraulic rotator (5).
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Illustration 6 g06029196 - Remove bolts (8) and distributor assembly (9).
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Illustration 7 g06029198 - Remove O-ring seals (10).
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Illustration 8 g06029200 - Position the hydraulic rotator onto a suitable blocking. Use Tooling (A) to remove housing group (13) from swivel (12). The weight of housing group (13) is approximately
215 kg (474 lb) . Remove bolts (11) and housing group (13).Show/hide tableIllustration 9 g06029202 - Remove O-ring seals (14) from the swivel.
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Illustration 10 g06029204 Show/hide tableIllustration 11 g06029206 - Attach Tooling (A) and a suitable lifting device to housing assembly (13). The weight of housing assembly (13) is approximately
145 kg (320 lb) . Remove bolts (15) and remove housing assembly (13) from gear assembly (16). - Remove O-ring seals (17) from gear assembly (16).
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Illustration 1 | g06029180 |
Required Tools | |||
---|---|---|---|
Tool | Part Number | Part Description | Qty |
A | - | Loctite 243 | - |
- Install hydraulic rotator (2) in the reverse order of removal.
- Apply Tooling (A) to the threads of bolts (15). Tighten bolts (15) to a torque of
520 ± 70 N·m (384 ± 52 lb ft) . - Apply Tooling (A) to the threads of bolts (11). Tighten bolts (11) to a torque of
105 ± 20 N·m (77 ± 15 lb ft) . - Apply Tooling (A) to the threads of bolts (8). Tighten bolts (5) to a torque of
105 ± 20 N·m (77 ± 15 lb ft) . - Apply Tooling (A) to the threads of bolts (7). Tighten bolts (7) to a torque of
520 ± 70 N·m (384 ± 52 lb ft) . - Tighten bolts (1) to a torque of
105 ± 20 N·m (77 ± 15 lb ft) .
- Apply Tooling (A) to the threads of bolts (15). Tighten bolts (15) to a torque of