PUMP GP-PISTON 1546613 - 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 g01057511
Align bearings (11) in the body of the engine oil pump. Align the joints of the bearings to 45 15 degrees from the centerline of the bearing bores.
Use Tooling (A) in order to install bearings (11). The bearings must be 1.5 0.5 mm (0.06 0.02 inch) below the gear bore. Measure the inside diameter of the bearings after installation. The inside diameter of the bearings must be 31.811 0.013 mm (1.2524 0.0005 inch) after installation. Machine the bearing, if necessary.
Illustration 2 g00591963
Install shaft assemblies (10) in body (9).
Illustration 3 g01057514
Ensure that dowels (12) are installed in cover assembly (7) at a distance of 6.0 0.5 mm (0.24 0.02 inch) above the surface of the cover.
Use Tooling (A) in order to install bearings (8) in cover assembly (7) with the bearing joints in the correct position.
Illustration 4 g00591936
Place cover assembly (7) into position and install the bolts.
Illustration 5 g00591932
Ensure that the two pins in cover assembly (6) are installed at a distance of 6.0 1.0 mm (0.24 0.04 inch) above the surface of the cover. Install cover assembly (6).
Illustration 6 g01005318
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Place clean engine oil on valve spool (5). Install valve spool (5), spring (4), gasket (3), cover (2), and the bolts.
Illustration 7 g01005273
Install the gasket and adapter (1). End By:
Install the engine oil pump.