SEAL-PIN 4201508 - Caterpillar

Illustration 1 g01135024
Remove bolts (1) and thrust plate (2). Remove balancer gear (3) from the balancer gear shaft.Note: The balancer gear is for the 3508C engine. The 3512C Engine, 3512E Engine, and the 3516C Engine do not have the balancer gear on the front of the engine.
Illustration 2 g01135028
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Remove bolts (4) and cover (5) from the front of the cylinder block.
Remove plunger assembly (6) and spring (7) from the cylinder block.
Illustration 3 g01135030
Remove bolts (12) and thrust plate (13). Remove cluster idler gear (14) from the rear of the cylinder block.
Remove bolts (8), idler shaft (9), camshaft idler gear (10), and thrust washer (11).
Illustration 4 g01135029
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Remove bolts (15) and cover (16) from the rear of the cylinder block.
Remove plunger assembly (17) and spring (18) from the cylinder block.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 5 g01135029
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Apply clean engine oil on spring (18) and plunger assembly (17).
Install spring (18) and plunger assembly (17) in the cylinder block.
Install cover (16) and bolts (15).
Illustration 6 g01135030
Apply clean engine oil to the sleeve bearing in camshaft idler gear (10) and idler shaft (9). Install idler shaft (9) in camshaft idler gear (10). Position camshaft idler gear (10) and thrust washer (11) and install bolts (8). Tighten bolts (8) to a torque of 240 20 N m (177 15 lb ft).
Apply clean engine oil on the sleeve bearing in cluster idler gear (14) and the cluster gear shaft. Install cluster idler gear (14) on the cluster gear shaft. Make sure that the marks on cluster idler gear (14) and the crankshaft gear are in alignment with the rotation of the engine. Install thrust plate (13) and bolts (12).
Illustration 7 g01135028
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Apply clean engine oil on spring (7) and plunger assembly (6).
Install spring (7) and plunger assembly (6) in the cylinder block.
Install cover (5) and bolts (4).
Illustration 8 g01135024
Apply clean engine oil on the sleeve bearing in balancer gear (3) and the balancer gear shaft. Install balancer gear (3) on the balancer gear shaft. Make sure that the marks on balancer gear (3) and the crankshaft gear are in alignment with the rotation of the engine. Install thrust plate (2) and bolts (1).Note: The balancer gear is for the 3508C engine. The 3512C engine, 3512E Engine, and the 3516C Engine do not have the balancer gear on the front of the engine.End By:
Install the flywheel housing. Refer to Disassembly