Illustration 1 | g00285531 |
4N-0733 Engine Oil Pump Group Without BrakeSaver |
NOTICE |
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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. |
Rotation from the drive end ... counterclockwise
Test on test stand with SAE 10W oil at 49°C (120°F)
Output ... 272 L (72 US gal)
Pressure ... 310 kPa (45 psi)
Pump rpm ... 2550 rpm
Output ... 144 L (38 US gal)
Pressure ... 560 kPa (81 psi)
Pump rpm ... 2550 rpm
(1) Diameter of drive shaft ... 22.217 ± 0.005 mm (0.8747 ± 0.0002 inch)
Bore in bearings for drive shaft ... 22.258 ± 0.008 mm (0.8763 ± 0.0003 inch)
Diameter of idler shaft ... 22.217 ± 0.005 mm (0.8747 ± 0.0002 inch)
Bore in bearings for idler shaft ... 22.258 ± 0.008 mm (0.8763 ± 0.0003 inch)
(2) Length of gears ... 79.375 ± 0.025 mm (3.1250 ± 0.0010 inch)
Depth of bores for gears ... 79.502 ± 0.020 mm (3.1300 ± 0.0008 inch)
(3) 2S-2760 Spring
- Length under test force ... 117.9 mm (4.64 inch)
- Test force ... 150 ± 8 N·m (110 ± 6 lb ft)
- Free length after test ... 152.9 mm (6.02 inch)
- Outside diameter ... 27 mm (1.063 inch)
- Test force ... 150 ± 8 N·m (110 ± 6 lb ft)
Illustration 2 | g00285532 |
Pump Body |
Illustration 3 | g00285533 |
Pump Cover |
(4) Bearing joint ... 30 ± 15 degrees
(5) Position of bearing joint from the centerline through bearing bores ... 30 ± 15 degrees
(6) Face A
Install the bearings so the bearings are even with the outside of the pump body. The bearings are also even with "FACE A" of the pump cover.