Oil Pump
DISASSEMBLY1. Remove the relief plunger.
Remove the plug(A), spring(B) and relief plunger(C).
INSPECTION
1. Inspect relief plunger.
Coat the valve with engine oil and check that it falls smoothly into the plunger hole by its own weight.
If it does not, replace the relief plunger. If necessary, replace the front case.
2. Inspect relief valve spring.
Inspect for distorted or broken relief valve spring.
Standard value
Free height: 43.8mm (91.724in.)
Load: 4.6kg/39.1mm (10lb/1.547in.)
3. Inspect rotor side clearance.
Using a feeler gauge and precision straight edge, measure the clearance between the rotors and precision straight edge.
If the side clearance is greater than maximum, replace the rotors as a set. If necessary, replace the front case.
4. Inspect rotor body clearance.
Using a feeler gauge, measure the clearance between the outer rotor and body.
If the body clearance is greater than maximum, replace the rotors as a set. If necessary, replace the front case.
REASSEMBLY
1. Install relief plunger.
Install relief plunger(C) and spring(B) into the front case hole, and install the plug(A).
