3034 Engine for Caterpillar Built Machines Caterpillar


Engine Oil Pump

Usage:

3034 3NW



Illustration 1g00386673

Installation of the oil pump

(1) Tighten the three mounting bolts to the following torque. ... 9 N·m (80 lb in)

(2) Engine oil pump

(3) Bottom left side of the timing case

(4) Dowels

The two dowels align the oil pump with the timing case for correct installation.

(5) Inner rotor




Illustration 2g00386734

Clearance between the outer rotor and the oil pump body

(6) Outer rotor

(7) Feeler gauge

Clearance between the outer rotor and the oil pump body ... 0.19 mm (0.008 inch)




Illustration 3g00386733

Clearance between the inner rotor and the outer rotor

Clearance between the inner rotor and the outer rotor ... 0.25 mm (0.010 inch)




Illustration 4g00383153

Measure the end play of the rotors.

(8) Straight edge

End play of the rotor assembly ... 0.15 mm (0.006 inch)

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