PIN AS 2056859 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     238-9586     Camshaft Drive Group     1    
B     1P-0820     Hydraulic Puller     1    
8B-7548 Push-Puller Tool Group     1    
8B-7559 Adapter     2    
5H-1504 Hard Washer     3    
9U-6600 Hand Hydraulic Pump     1    
C     8T-3168     Pilot Assembly     2    
4J-7945 Bolt     2    
D     8T-3167     Guide Assembly     1    
E     8T-3169     Crank Assembly     1    Start By:
Remove the rocker shaft assemblies and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Push Rod - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Remove the engine speed/timing sensor. Refer to Testing and Adjusting, "Engine Speed/Timing Sensor".
Illustration 1 g00579084
Remove access covers (1) from each side of the engine.
Illustration 2 g00579086
Illustration 3 g00579090
Push valve lifters (2) away from the camshaft. Hold valve lifters (2) in position with the O-ring seal.
Illustration 4 g01281295
Remove the bolts and cover (4) from the front housing.
Remove the bolts and cover (3) from the front housing.
Illustration 5 g01281296
Disconnect harness assembly (X) and remove the bolts from cover (5) .
Illustration 6 g00579522
Remove cover (6) for the camshaft drive gears from the flywheel housing.
Illustration 7 g00579141
Remove the bolt and plate (7) that fastens camshaft drive gear (8) to the camshaft.