CONNECTOR AS 3C8253 - Caterpillar

Illustration 43 g01183908
Inspect seal (52). If seal (52) is worn or damaged, replace the seal. Install seal (52) in front cover (8) .
Illustration 44 g01052408
Typical example
Install front cover (8), screws (9), bolts (7), and nuts (10) .Note: Do not tighten screws (9) until bolts (7) and nuts (10) have been properly tightened.
Tighten bolts (7) and nuts (10) .
Illustration 45 g00563307
Tightening sequence for screws
Tighten button head screw (9) in the numerical sequence that is shown in Illustration 45 to the torque of 13 3 N m (10 2 lb ft).Crankshaft Seal (Front) - Install
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The crankshaft front seal and the wear sleeve must be replaced at the same time. Once the crankshaft front seal and the wear sleeve are separated, these components cannot be used again.Note: Do not use any type of lubricant during the installation of the crankshaft front seal and the wear sleeve.
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Fasten Tooling (E) to the crankshaft with Tooling (F) .Note: Install the crankshaft front seal with the arrow that shows the direction of crankshaft rotation toward the front of the engine.
Position wear sleeve (6) and crankshaft front seal (5) on Tooling (H). Install Tooling (H) on Tooling (E). Lubricate the face of the washer on Tooling (G). Install Tooling (G) on Tooling (E) .
Tighten Tooling (G) until Tooling (H) contacts Tooling (G) .
Remove Tooling (G), and Tooling (H) from Tooling (G) .
Remove Tooling (E) and Tooling (F) from the crankshaft.Vibration Damper - Install
Note: Check the part number for the damper. The part number should be 167-8130 Damper . Replace the damper during installation if the damper is not the 167-8130 Damper .
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Typical example
Install Tooling (B) in the crankshaft.
Install 227-3704 Damper Adapter (3) on Tooling (B).
Install 167-8131 Damper (4) on Tooling (B). The weight of the vibration damper is approximately 15 kg (33 lb).
Install 6N-7654 Spacer (2) on Tooling (B) .
Apply Tooling (C) to bolts (1). Install the bolts. Remove Tooling (B) and install the remaining bolts.Check the Engine Valve Lash
Table 3
Valve Lash    
Valves     Gauge Dimension    
Inlet    
0.38 mm (0.015 inch)    
Exhaust    
0.76 mm (0.030 inch)    
Make an adjustment to the valve lash on the inlet valves 1, 2, and 4.
Loosen the valve adjustment locknut.
Place the appropriate feeler gauge between the inlet rocker arm and the inlet valve bridge. Turn inlet adjustment screw while the valve adjustment locknut is being