EXTENSION AS-AIR 2246474 - Caterpillar

Removal 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    Start By:
Remove the alternator belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install".Note: The weight of the assembly of the crankshaft pulley, the vibration damper and the crankshaft adapter is approximately 22 kg (48 lb). Remove the vibration damper and the crankshaft pulley before the crankshaft adapter is removed from the engine.
Illustration 1 g01337793
Remove one of bolts (4) . Install Tooling (A) into the assembly of the crankshaft pulley, the vibration damper and the crankshaft adapter.
Remove remaining bolts (4) .
Remove vibration damper (3) and crankshaft pulley (2) from crankshaft adapter (1) . Remove Tooling (A) from crankshaft adapter (1) .
Use a suitable tool in order to prevent the crankshaft from rotating. Use Tooling (B) to remove torx screws (5) .
Remove the crankshaft adapter (1) from the crankshaft.