RACE-BRG-YM 4151926 - Caterpillar

Lubricate O-ring seals (8) lightly with SAE 30W oil. Install O-ring seals (8) on track roller shaft (7) .
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Lightly lubricate the bore of rim assembly (6), the outside surface of the bore, and the seal with SAE 30W oil. Use a press and Tooling (C) in order to install bushing assembly (10) in rim assembly (6). Bushing assembly (10) should just clear the retaining groove in rim assembly (6) .
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Use Tooling (A) in order to install retaining ring (5) in rim assembly (6) .
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The bushing assembly in the track roller can be damaged when shaft (7) is installed in rim assembly (6). Make sure that you are careful when you position shaft (7) .
Flip the track roller assembly and install track roller shaft (7) in rim assembly (6) .
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Lightly lubricate the bore of rim assembly (6), the outside surface of the bore, and the seal with SAE 30W oil. Use a press and Tooling (C) in order to install remaining bushing assembly (10). Bushing assembly (10) should just clear the retaining groove in rim assembly (6) .
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Use Tooling (A) in order to install retaining ring (5) in rim assembly (6) .
Flip the track roller assembly. Use a press and shaft (7) in order to move the opposite bushing assembly (10) outward against retaining ring (5) .
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Use Tooling (B) and install Duo-Cone seal kit (4) in end collar (1) .Note: See Disassembly and Assembly, "Duo-Cone Conventional Seals - Install" for the proper installation procedure of all Duo-Cone seal kits.
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Install end collar (1) and lock ring (3) on track roller shaft (7) .
Repeat Steps 12 and 13 in order to install the remaining end collar (1) on the opposite end of track roller shaft (7) .
Use Tooling (D) in order to pressure test the track roller with the following procedure.
Use shop air and pressurize the track roller to 280 kPa (41.0 psi).
Observe the pressure reading of the track roller. The pressure should be constant for ten seconds. A reduction in pressure in ten seconds or less indicates a leak in the track roller. In the event of a leak, the track roller must be disassembled and checked.
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Typical Example
Use Tooling (E) in order to check the end play of shaft (7). The end play must be 0.25 mm (0.010 inch) to 1.33 mm (0.052 inch).
Fill the track roller with 410 25 mL (13.9 0.8 oz) of SAE 30W oil. The track roller should be filled through the opening in the shaft for the plug and the stopper.
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Typical Example
Put clean oil on a new stopper (2). Install stopper (2) in the end of shaft (7). The outside face of stopper (2) should be 7 7 mm (0.275 0.275 inch) below the chamfer of shaft (7) .
Use Tooling (F) in order to install the plug in stopper (2). The outside surfaces of the plug and the stopper must be flush.End By: Install the track rollers. Refer to Disassembly