YOKE AS 4307997 - Caterpillar

Removal Procedure
Start By:
Remove the alternator belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install" for the correct procedure.
Illustration 1 g02320097
Remove locking nuts (1).
Remove fan (2). Note: Note the orientation of the fan.
Remove fan adapter (3).
Remove fan pulley (4).
If necessary, remove studs (5) from fan drive (6). Installation Procedure
Ensure that all the components are free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 2 g02320097
Typical example
If necessary, install studs (5) to fan drive (6). Tighten studs (5) to a torque of 11 N m (97 lb in).
If studs (5) have not been previously removed from fan drive (6). It will be necessary to check for the correct installation of the studs to the fan drive. Tighten studs (5) to a torque of 11 N m (97 lb in).
Install fan pulley (4).
Install fan adapter (3).
Install fan (2). Note: Ensure that the fan is correctly oriented.
Inspect the condition of locking nuts (1). If necessary, replace the locking nuts. Install locking nuts (1). Tighten locking nuts (1) to a torque of 22 N m (195 lb in). End By:
Install the Alternator Belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install" for the correct procedure.