COVER GP-VALVE MECHANISM 9Y1224 - Caterpillar

Remove Vibration Damper & Pulley
Start By:a. remove radiatorb. remove fan 1. Remove nuts (1), pulley (3), and pulley (4).2. Move damper (2) out approximately 25.4 mm (1.00 in). Fasten a hoist to the damper. Remove damper (2). The weight of the damper is approximately 36 kg (80 lb). 3. Remove bolts (5) and adapter (6). Remove studs (7), if a replacement is necessary.Install Vibration Damper & Pulley
1. If studs (2) were removed, install new studs. Tighten studs (2) to a torque of 54 7 N m (40 5 lb ft).2. Install adapter (1) and the bolts that hold it in position on the crankshaft. Tighten the bolts to a torque of 136 14 N m (100 10 lb ft). 3. Use a hoist to put damper (3) in position on the adapter. The weight of the damper is approximately 36 kg (80 lb).4. Install pulleys (4) and (5). Install the nuts that hold the pulleys and the damper on the adapter. Tighten the nuts to a torque of 136 14 N m (100 10 lb ft).End By:a. install fanb. install radiator