SPOOL AS-VALVE 1621996 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     -     Guide Stud
M14 x 1.5 by 100 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" for the correct procedure.Note: The weight of the assembly of the crankshaft pulley, the vibration damper, and the crankshaft adapter is approximately 22 kg (48 lb).
Illustration 1 g02368017
Use a suitable tool in order to prevent the crankshaft from rotating. Use Tooling (B) to remove one Torx screws (1) from crankshaft pulley assembly (2) .
Install Tooling (A) into crankshaft pulley assembly (2) .
Remove remaining Torx screws (1) from crankshaft pulley assembly (2) .
Remove crankshaft pulley assembly (2) .
Remove Tooling (A) .
Illustration 2 g02368018
If necessary, follow Step 6.a through Step 6.b in order to remove friction shim (3) from the crankshaft.
Remove the front seal from the front cover. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure.
Remove friction shim (3) .
If necessary, follow Step 7.a through Step 7.c in order to disassemble vibration damper, crankshaft pulley from crankshaft adapter.
Place the crankshaft pulley assembly onto a suitable support.
Remove bolts (7) from crankshaft pulley assembly (2) .
Remove vibration damper (6) and crankshaft pulley (5) from adapter (4) .