3406E and 3456 Industrial Engines – Engine Oil Pump



Illustration 1 g01527219


NOTICE

Before operation, the pump must be lubricated with clean engine oil and the pump must turn freely by hand or damage to parts can be the result.


(A) Diameter of the pump drive shaft … 22.217 ± 0.005 mm (0.8747 ± 0.0002 inch)

Bore diameter in cover for shaft … 22.258 ± 0.008 mm (0.8763 ± 0.0003 inch)

(B) Length of the gear … 79.375 ± 0.025 mm (3.1250 ± 0.0010 inch)

Depth of bore for the gear … 79.502 ± 0.020 mm (3.1300 ± 0.0008 inch)

(1) 2S-2760 Spring

Length under test force … 117.14 mm (4.612 inch)
Test force … 499 ± 24 N (112.2 ± 5.4 lb)
Free length after test … 152.91 mm (6.020 inch)
Outside diameter … 27.00 mm (1.063 inch)



Illustration 2 g01527220

Pump body

(2) Install the bearings so the bearings are even with the outside of the pump body.

(C) Position of bearing joint from the centerline through bearing bores … 30 ± 15 degrees




Illustration 3 g01527170

(D) Protrusion of two dowels in the body … 6.4 ± 0.5 mm (0.25 ± 0.02 inch)

(F) Installation depth of the sleeve bearing … 0.3 ± 0.25 mm (0.01 ± 0.010 inch)