Crushing Arm - Install
Installation Procedure
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| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 138-7575 | Link Bracket | 2 |
| B | FT-2569 | Spanner Wrench | 1 |
- Clean all parts and inspect all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.
- Install three bushings (6) to crushing arm (1) .
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| Illustration 1 | g00687379 |
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| Illustration 2 | g00679874 |
Typical example | |
- Attach Tooling (A) and appropriate lifting chains to the front mounting holes in the crushing arm. Attach an appropriate nylon lifting sling to crushing arm (1), as shown. Use a hoist to lift the crushing arm into position in the work tool. The weight of the crushing arm is 411 kg (906 lb).
- Place six spacers (5) into position on the crushing arm.
- Install appropriate nylon lifting slings to the head of pin (4) and to the tail end of the pin. Use a suitable lifting device to lift the pin into position on the work tool. The weight of the pin is 75 kg (165 lb). Apply 4C-5598 High Temperature Anti-Seize to pin (4). Coat the threads and the smooth surface of the pin. Align the pin with the stops that are welded to the housing. Use a large hammer and a brass drift to install pin (4). When the pin is secure, remove the lifting slings and the lifting device.
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| Illustration 3 | g00689528 |
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| Illustration 4 | g00689527 |
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| Illustration 5 | g00679870 |
Typical example | |
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| Illustration 6 | g00687356 |
Typical example This photograph shows the proper alignment of the pin. | |
Note: When possible, lower the temperature of the cylinder pins before installation. This process allows more clearance for easier installation.
- Install plate (3) to pin (4). Use Tooling (B) to tighten the plate. After you tighten the plate, back off the plate until the nearest set of holes are aligned.
- Apply 9S-3263 Thread Lock Compound to the threads of two bolts (2). Install the two bolts and the washers to the housing.
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| Illustration 7 | g00679867 |
Typical example | |
- Lower the crushing arm to the lower housing. Remove the lifting sling from the cylinder bore in the crushing arm.
- Lubricate the pivot pin for the crushing arm with clean grease. There are three grease fittings that are located on crushing arm (1) above the pin.
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| Illustration 8 | g00687782 |
Typical example | |
End By: Install the hydraulic cylinder. Refer to Disassembly and Assembly, "Hydraulic Cylinder - Install".
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