BOOM & BEARING AS 2909302 - Caterpillar

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Install retainer ring (29) to pulley (23)
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Pack ball bearing (28) with Tooling (B). Use Tooling (A) to install ball bearing (28) .
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Install spacer (27) .
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Pack ball bearing (26) with Tooling (B). Use Tooling (A) to install ball bearing (26) .
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Install lip seal (25) .Note: Install lip seal (25) with the sealing lip towards the outside of the pulley.
Install spacer (24) .
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Install pulley (23) to arm assembly (17).
Install two washers (22) and bolt (21) .
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Install gasket (20) .
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Install cover (19) and four bolts (18) .
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Install arm assembly (17) to shaft assembly (8) .
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Install washer (16) and bolt (15) .
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Install washer (11), retainer (13), cotter pin (14) and pin (12) to spring (7).
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Install shaft assembly (8) and four bolts (10) to the engine.
Install spring (7) and locknut (6) to the upper mount.
Install retainer (13) to arm assembly (17).
Install jam nut (9) to retainer (13). Tighten jam nut (9) to a torque of 45 7 N m (35 5 lb ft).
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Release the tension and install three V-belts (5) .
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Install guard assembly (3), five bolts (2), bolt (4) and three bolts (1) .End By:
Install the engine bottom guards. Refer to Disassembly and Assembly, "Bottom Guard (Engine) - Remove and Install".
Remove the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".