KIT-SEAL 1336901 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     9U-7257     Cradle     1    
B     9U-7256     Guide     1    
C     9U-7225     Camshaft Pilot     2    
D     9U-7240     Camshaft Hook     2    Start By:
Remove the camshaft gear.
Remove the rocker arms and the rocker shafts.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Do not turn the crankshaft or the camshaft while the camshaft gear is removed. If the front gear group is not correctly timed during installation, interference can occur between the pistons and the valves, resulting in damage to the engine.
Illustration 1 g01056681
Remove bolts (2) and thrust plate (1) .
Illustration 2 g01071487
Remove sealing plate (3) from the front housing. Remove adapter assembly (4) from the crankshaft.
Illustration 3 g01056684
Remove O-ring seal (5) and O-ring seal (6) from sealing plate (3) .
Care must be used when removing or installing the camshaft. Do not damage the finished surfaces of the camshaft or the camshaft bearings.
Illustration 4 g01056704
Use the bolts for the rocker arm shaft assembly to install Tooling (A) at Location (Y) .
Illustration 5 g01047945
Install Tooling (B) on front housing (7). Tooling (B) is used to support camshaft (8). Do not tighten the bolts for Tooling (B) at this time.
Illustration 6 g01056675
Remove flat head screws (9) and cover (10). Remove the O-ring seal from the cover.
Illustration 7 g01047961
Illustration 8 g01047996
Note: It is necessary to install Tooling (C) on the camshaft. Tooling (C) will support the rear of the camshaft as the camshaft is moved out of the cylinder head and