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PIN-YM 3967289 - Caterpillar

3967289 PIN-YM Caterpillar parts PIN
Alternative (cross code) number:
Caterpillar 3967289 PIN-YM
Weight: 34 pounds 15 kg.

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Related part:
7Y3548  PIN-YM  3967289  CL
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Removal Procedure
Start By:
Remove the front track roller frames. Refer to Disassembly and Assembly, "Front Track Roller Frame - Remove".
Illustration 1 g00747948
Remove the bolts and retainers (1) from front roller frame (2).
Remove cylinder (3) from the front roller frame.
Illustration 2 g00747949
Remove bolts (4) and plate assembly (5).
Illustration 3 g00747950
Remove O-ring seal (7), valve (6) and valve (8) from cylinder (3).
Illustration 4 g00747952
Remove plug (9) from cylinder (3). Remove the O-ring seal from the plug.
Illustration 5 g00747954
Remove piston (11).
Remove seal assembly (10) from cylinder (3). Installation Procedure
Illustration 6 g00747954Note: O-ring seals, gaskets, and seals should always be replaced. A used O-ring may not have the same sealing properties as a new O-ring seal. A reconditioning procedure should not be degraded because of a low cost component such as an O-ring seal or a gasket. Use 1U-6396 O-Ring Assembly Compound during the assembly procedure.
Install seal assembly (10) in cylinder (3). Install the seal assembly with the lip toward the inside of the cylinder, as shown.
Align the flat surface (X) on piston (11) with the ports for valves (6) and (8). Install piston (11) in cylinder (3). Install the piston until surface (X) is past the lip of seal assembly (10).
Illustration 7 g00747952
Install the O-ring seal on plug (9). Install the plug in the cylinder. Tighten the plug to a torque of 300 40 N m (220.0 30.0 lb ft).
Illustration 8 g00747950
Install valves (6) and (8). Put O-ring seal (7) in position on cylinder (3).
Illustration 9 g00747949
Put plate assembly (5) in position on the cylinder and install two bolts (4).
Use the following procedure to evacuate all of the air from the track adjuster.
Fill the track adjuster with SAE 30W oil.
Position the track adjuster on the floor with piston (11) downward.
Open valves (6) and (8). Push cylinder (3) downward on the piston until all of the air is removed from the track adjuster.
Close valves (6) and (8). Tighten the valves to a torque of 35 7 N m (26.0 5.0 lb ft).
Illustration 10 g00747948
Install cylinder (3) in the front track roller frame (2). Put retainers (1) in position and install the bolts. End By:
Install the front track roller frames. Refer to Disassembly and Assembly, "Front Track Roller Frame - Install".

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