Service Manual for WP6 Diesel Engine
90
392 Disassembly, Inspection, Maintenance and Assembly of Engine Oil
Pump
3921 Exploded View of Engine Oil Pump
Fig. 3-53 Exploded view of engine oil pump
3922 Steps to Disassemble Engine Oil Pump
Remove the two hexagon bolts and self-locking nut, take down engine oil pump, as shown in Fig.
3-53.
3923 Inspection and Maintenance of Engine Oil Pump
(1) Check the engine oil pump for crack damage, check whether its inner cavity is smooth, replace
it if necessary.
(2) Check whether engine oil pump shaft can rotate smoothly, replace it if necessary.
3924 Steps to Assemble Engine Oil Pump
(1) Check the pump before assembling, make sure there is no manufacturing defect and damage.
(2) Clean up the fitting surface between oil pump and engine block.
(3) Install engine oil pump.
(4) Install and tighten the two toothed hexagon bolts and self-locking nut.
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General