GEAR-SPUR 4737926 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-0333 Crowfoot Wrench 1
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01025581
Illustration 2 g01025630
Disconnect harness assembly (2) from injection actuation pressure control valve (1).
Remove nut (3), spacer (5), and solenoid valve (4) from injection actuation pressure control valve (1).
Use Tooling (A) and an extension in order to remove the injection actuation pressure control valve from the unit injector hydraulic pump.
Remove O-ring seals (6) and (8), and backup ring (7) from injection actuation pressure control valve (1). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 5P-0333 Crowfoot Wrench 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01025630
Illustration 4 g01025581
Install new O-ring seals (6) and (8), and backup ring (7) on the injection actuation pressure control valve. Lubricate the O-ring seals with clean engine oil.
Use Tooling (A) in order to install the injection actuation pressure control valve on the unit injector hydraulic pump. Tighten the injection actuation pressure control valve to a torque of 50 5 N m (37 4 lb ft).
Install solenoid valve (4), spacer (5), and nut (3) on injection actuation pressure control valve (1). Tighten nut (3) to a torque of 5.5 1.5 N m (49 13 lb in).
Connect harness assembly (2) to injection actuation pressure control valve (1).