PUMP GP-PISTON 9T5187 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00573618
Use Tool (A) to install two bearings (1) in the oil pump housing. The position of the bearing joint (2) must be within 30 15° of the centerline. The bearings must be installed so that the bearings are flush with the oil pump housing.
Install the dowels in the oil pump body. Install the dowel so the dowels extend 6.40 mm (0.252 inch) above the surface of the oil pump housing.
Illustration 2 g00573673
Put clean engine oil on the inside diameter of the bearings in the oil pump body. Put clean engine oil on shaft (3) and shaft (4).
Install shafts (3) and (4) in the oil pump housing.
Illustration 3 g00573690
Use Tool (A) to install two bearings (5) in cover (7), if the cover is equipped with bearings. The position of the bearing joint (6) must be within 30 15° of the centerline. The bearings must be installed so that the bearings are flush with the cover. Put clean engine oil on the inside diameter of each bearing.
Illustration 4 g00573718
Install cover (7) on the oil pump housing.
Install plunger (8) and spring (9) in the oil pump housing. Install retainer (10).
Illustration 5 g00573720
Install key (11) in shaft (4).
Illustration 6 g00573725
Install gear (13) on the oil pump shaft. Install bolt (12) and tighten the bolt to a torque of 55 10 N m (41 7 lb ft).
The engine oil pump must turn freely after assembly. End By:
Install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".