HARNESS AS-CONTROL 4592251 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) 9U-6198 Crankshaft Turning Tool 1
A(2) 5P-7306 Shaft Housing 1
5P-7305 Engine Turning Tool 1
B 136-4632 Timing Pin (Crankshaft) 1
268-1966 Adapter 1
C 231-8849 Timing Pin (Balancer) 1
(1) The Crankshaft Turning Tool is used on the front pulley.
(2) This Tool is used in the aperture for the electric starting motor.Start By:
Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install" for the correct procedure. Note: Either Tooling (A) can be used. Use the Tooling that is most suitable.Note: In order to remove the balancer, the engine must be removed from the machine. The engine should be mounted in a suitable stand and placed in the inverted position.
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.Dispose of all fluids according to local regulations and mandates.
Use Tooling (A) in order to rotate the crankshaft so that number one piston is at the top center position on the compression stroke. Refer to Systems Operation, Testing and Adjusting, "Fuel Injection Timing - Check" for the correct procedure.
Illustration 1 g02435336
Remove plug (1) from the cylinder block. Remove O-ring seal (2) from the plug.
Install Tooling (B) through Hole (X) in the cylinder block. Use Tooling (B) in order to lock the crankshaft in the correct position.
Illustration 2 g02435356
Remove bolts (3) from suction pipe (4).
Remove suction pipe (4) from balancer (6).
Remover gasket (5).
Remove bolts (7) from balancer (6).
Illustration 3 g02435357
Install Tooling (C) into balancer (6). Ensure that Tooling (C) is engaged into the hole in drive shaft (8).
Attach a suitable lifting device to balancer (6). Support the weight of the balancer. The balancer weighs approximately 23 kg (51 lb).
Use the lifting device to remove balancer (6) from the cylinder block.
Illustration 4 g02435366
Do not remove dowel (9) and dowel (10) from the balancer (6) unless the dowels are damaged. Note: The balancer unit is not a serviceable item. The engine oil pump and the engine oil relief valve are the only serviceable parts of the balancer.