73
Fig.112
Fig.113
Fig.114
Fig.115
——If relief valve spring is not to specification, it must be replaced.
Installation
：
——Install the outer and inner rotor into the oil pump house ensuring the installation mark of outer and
inner rotor upward. ——Install oil pump cover on oil pump. Tighten seven chamfer head screws.
Tightening torque is 7-10Nm.
——Install relief valve and relief valve spring into the oil pump bore.
——Screw 3/8
″
plug screw into the oil pump house. Keep it in place. Tightening torque is 20-25Nm.
——Stick the new oil pump sealing gasket on the front end of cylinder block.
——Install the oil pump into the front end of crankshaft.Center the inner bore of inner rotor before
installation.
——Screw six mounting bolts by hand.
——Check and adjust the roughness of lower surface of oil pump and flange surface of cylinder block oil
pan. It should be within the range:
±
0.26mm.
——Tighten the retaining bolt of oil pump to 8-11Nm.
——Apply the engine oil on the oil seal journal of crankshaft.
