HOUSING-FLYWHEEL 4P8308 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Stud
M12 by 70 mm 1
B 227-4393 E18 Torx Socket 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01337777
Ensure that the crankshaft adapter, the split lock rings, the spacer, and the thrust block are clean and free from damage. Replace any components that are damaged.
Install a new O-ring seal (7) to thrust block (6).
Install spacer (8) to crankshaft adapter (1).
Install both pairs of split lock rings (9) to crankshaft adapter (1). There is an internal split lock ring and an external lock ring. Ensure that the split lock rings are installed in the correct position. Refer to Illustration 1. Note: Position the gap in the split lock rings at 180 degrees away from each other.
Ensure that the front of the crankshaft is clean and free from damage. Install crankshaft adapter (1) onto the crankshaft.
Align the holes in the thrust block with the holes in the crankshaft. Install thrust block (6) into crankshaft adapter (1).
Install torx screws (5) to thrust block (6).
Use a suitable tool in order to prevent the crankshaft from rotating. Use Tooling (B) to tighten the torx screws to a torque of 200 N m (147 lb ft).
Repeat Step 8 two more times in order to ensure correct torque.
Install Tooling (A) to crankshaft adapter (1).
Align crankshaft pulley (2) with Tooling (A). Install the crankshaft pulley to crankshaft adapter (1).
Inspect the vibration damper for damage. If necessary, replace the vibration damper.
Align vibration damper (3) with Tooling (A). Install the vibration damper to crankshaft adapter (1).
Install bolts (4) to the assembly of the crankshaft pulley, the vibration damper, and the crankshaft adapter. Evenly spaced the bolts. Remove Tooling (A).
Use a suitable tool in order to prevent the crankshaft from rotating. Tighten bolts (4) to a torque of 115 N m (85 lb ft). End By:
Install the alternator belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install" for the correct procedure.