HEAD 2666123 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-2320     Combination Puller     1    
B     9S-1730     Socket     1    Start By:
Remove the air compressor.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03196216
Temporarily install air compressor (1) with bolts (2) . Remove cover plate (3) .
Illustration 2 g03196337
Loosen nut (2) . Remove bolts (2) and remove air compressor (1) .
Illustration 3 g03196436
Remove nut (4) .
Illustration 4 g03196416
Use Tooling (A) in order to remove gear (5) .Installation Procedure
Illustration 5 g03196438
Clean the inside diameter of gear (5) and the shaft. Lube the washer and the shaft thread with engine oil. Position drive gear (5) on the air compressor, and install the washer and nut (4) . Tighten nut (4) hand tight.
Illustration 6 g03196337
Install air compressor (1) and bolts (2) . Keep the engine from turning and tighten nut (4) to a torque of 170 15 N m (125 11 lb ft)
Illustration 7 g03196477
Install Tooling (B) onto nut (4) and tap one time a hammer.
Illustration 8 g03196516
Keep the engine from turning and tighten nut (4) to a torque of170 15 N m (125 11 lb ft)
Illustration 9 g03196496
Install cover plate (3) .End By: Install the air compressor.