SEAL-FACE-RETAINER TO FRAME 8T7170 - 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".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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 g01337777
Install Tooling (A) into one of the unused threads in the assembly of the crankshaft pulley, the vibration damper and the crankshaft adapter.
Remove 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).
Hold a wood block against crankshaft adapter (1). Strike the wood block with a hammer in order to loosen split lock rings (9).
Carefully remove crankshaft adapter (1) from the crankshaft. Remove thrust block (6) from crankshaft adapter (1). Remove O-ring seal (7) from thrust block (6). Remove split lock rings (9) and spacer (8) from crankshaft adapter (1). Note the position and orientation of the split lock rings and the spacer.