LADDER AS 1286925 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-2321     Combination Puller     1    
B     6V-9120     Socket (1)     1    
( 1 ) Tool (B) is a 46 mm socket.Start By:
Remove the V-belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00604778
Use Tool (B) to remove nut (1) and washer (2) from the threaded end of the crankshaft.
Illustration 2 g00604784
Use Tool (A) to remove crankshaft pulley (3) from the engine.
Illustration 3 g00604792
If it is necessary to remove the wear sleeve (4) from the crankshaft pulley (3), use a hammer and a chisel. Hold the chisel at right angles to the surface of the wear sleeve. Tap the wear sleeve in three places. You can remove the wear sleeve once the tension is released.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 4 g00604778
Put crankshaft pulley (3) in position on the engine.
Install washer (2) and nut (1). Use Tool (B) to tighten nut (1) to a torque of 490 10 N m (361 7 lb ft).End By: Install the V-belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".