3054 Engine Caterpillar


Engine Oil Pump

Usage:

554 1AM




Illustration 1g00295506
Oil pump cover

(1) Bolt

Tighten the cover bolts to the following torque: ... 28 N·m (21 lb ft)

When the oil pump is mounted to a balancer unit, tighten the single bolt on the oil pump cover (not shown) to the following torque: ... 22 N·m (16 lb ft)

Type ... Gerotor pump

Number of lobes

Inner rotor ... 6
Outer rotor ... 7


Illustration 2g00295515
Clearance for the outer rotor body

Clearance of the outer rotor to the body

The balancer unit is not installed. ... 0.15 to 0.34 mm (0.006 to 0.013 inch)
The balancer unit is installed. ... 0.31 to 0.45 mm (0.012 to 0.018 inch)


Illustration 3g00295516
Clearance for the inner rotor body

Clearance between the inner rotor and the outer rotor ... 0.040 to 0.130 mm (0.0015 to 0.0050 inch)

End play of the rotor assembly. ... 0.03 to 0.10 mm (0.001 to 0.004 inch)

Tighten the bolts that fasten the engine oil pump to the main bearing cap to the following torque: ... 22 N·m (16 lb ft)

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