3056E Industrial Engine Caterpillar


Engine Oil Pump - Install

Usage:

3056E 356

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
A  1P-1855  Retaining Ring Pliers 
B  1P-0510  Driver Group 
C  9U-6282  Torque Wrench Extension 
D  4C-9506  Retaining Compound 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

If any of the parts on the engine oil pump are worn or damaged, the entire pump must be replaced.




    Illustration 1g00942040

  1. If the shaft for the idler gear on the engine oil pump was removed, remove the excess retaining compound. Apply a new layer of Tooling (D) to the bore in the main bearing cap. Use a suitable press to install shaft (12).

    Note: Ensure that the Lubrication Hole (X) in the shaft is located UP (toward the engine oil pump) before the shaft is pressed into the main bearing cap. Remove any surplus Tooling (D) from the shaft, and the main bearing cap.

  2. Drill a 6.35 mm (0.250 inch) hole to a depth of 9.5 mm (0.37 inch) into shaft (12). Use the original hole for the dowel in the main bearing cap for the guide. Install a new dowel (14) in order to secure the shaft in the main bearing cap.

Note: If the No. 1 crankshaft main bearing cap was removed, install the main bearing cap with the engine oil pump. Use Tooling (C) to tighten the bolts for the main bearing cap to a torque of 265 N·m (195 lb ft).



    Illustration 2g00942205

  1. Fill engine oil pump (11) with clean engine oil. Install the engine oil pump on the main bearing cap. Install bolts (13). Tighten the bolts to a torque of 22 N·m (16 lb ft).

  2. Use Tooling (B) to install bushing (9) in idler gear (10). Install idler gear (10) and washer (9) on shaft (12). Use Tooling (A) to install retaining ring (7).


    Illustration 3g00942080

  3. Check the backlash between the gear for the engine oil pump and the idler gear. The backlash for the gears is 0.062 to 0.122 mm (0.0024 to 0.0048 inch).


    Illustration 4g00942087

  4. Install oil supply tube assembly (2) to the engine oil pump and the cylinder block. Install bolts (1) and bolts (3).

  5. Install suction pipe (6) and bolts (5) to the engine oil pump. Tighten the bolts to a torque of 22 N·m (16 lb ft). Install the nut and bolt (4) on the bracket.

End By:

  1. Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".

  2. Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".
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