BOLT-FLANGE HEAD 3905138 - Caterpillar

Removal Procedure
Start By:
Remove the V-belt. Refer to Disassembly and Assembly, "V Belts Remove and Install" for more information.
Table 1
Required Tools
Tool Part Number Description Qty
A 8S-2264 Puller Group 1
- Bolt 3
Illustration 1 g01326646
Typical example
Loosen nut (3).Note: Leave the nut fully engaged with the thread on the crankshaft.
Illustration 2 g01305772
Install Tooling (A) to crankshaft pulley (2). Use Tooling (A) to remove crankshaft pulley (2) from crankshaft (4). Remove Tooling (A).
Remove nut (3).
Remove pulley (2) from crankshaft (4).
Remove woodruff key (1) from crankshaft (4).Installation Procedure
Ensure that the following components are clean and free from damage: the taper of the crankshaft, the woodruff key, and the bore of the crankshaft pulley. Replace any components that are damaged. Ensure that the taper of the crankshaft and the bore of the crankshaft pulley are clean and dry before assembly.
Illustration 3 g01326646
Typical example
Install woodruff key (1) to crankshaft (4).
Install crankshaft pulley (2) to crankshaft (4).
Lubricate nut (3) with clean engine oil and install the nut.For the C1.1 engine, tighten nut (3) to a torque of 123 N m (91 lb ft).For C1.5 and C2.2 engines, tighten nut (3) to a torque of 304 N m (224 lb ft).End By:
Install the V-belt to the engine. Refer to Disassembly and Assembly, "V Belts Remove and Install".