Repair procedures: Inspection: Notes
- Inspect the relief plunger.
Coat the plunger 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.
- Inspect the relief valve spring.
Inspect for distorted or broken relief valve spring.
Standard value
Free height : 46.6 mm (1.8346 in)
Load : 6.1 ± 0.4 kg / 40.1 mm (13.4 ± 0.9 lb / 1.5787 in)
- Inspect the rotor side clearance.
Using a feeler gauge and precision straight edge, measure the clearance between the rotors and precision straight edge.
ROTOR SIDE CLEARANCE SPECIFICATIONSSide clearance Inner rotor 0.04 ~ 0.085 mm (0.0016 ~ 0.0033 in) Outer rotor 0.04 ~ 0.09 mm (0.0016 ~ 0.0035 in) If the side clearance is greater than maximum, replace the rotors as a set. If necessary, replace the front case.
- Inspect the rotor tip clearance.
Using a feeler gauge, measure the tip clearance between the inner and outer rotor tips.
Tip clearance
0.025 ~ 0.069 mm (0.0010 ~ 0.0027 in)
If the tip clearance is greater than specified, replace the rotors as a set.
- Inspect the rotor body clearance.
Using a feeler gauge, measure the clearance between the outer rotor and body.
Body clearance
0.060 ~ 0.090 mm (0.0024 ~ 0.0035 in)
If the body clearance is greater than specified, replace the rotors as a set. If necessary, replace the front case.