Chery A11 2003 Repair Manual page 192

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CAC Gasoline Engine Maintenance And Servicing Manual
——Check the clearance between outer rotor of oil pump and case bore
of oil pump.
The clearance between outer rotor of oil pump and case bore of oil
pump should be 0.06—0.19mm.
——Check the radial clearance between inner rotor and outer rotor of
oil pump.
The radial clearance between inner rotor and outer rotor of oil
pump should be 0.05—0.18mm.
——Check the end play of rotor
The end play of rotor should be 0.014—0.100mm.
——Remove horizontal hexagonal socket head plug (small one)
——Take out the spring of relief valve and plunger of relief valve.
——Check the spring load and free length
spring free length is 46mm。
spring load is 32.8N±2N when the length is 29mm.
installation length of relief valve spring is 38.5mm.
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