Honda CB550 - Page 38

38
Fig . 102 (D Feeler gauge ® Outer rotor
@ Inner rotor
Fig . 103 (D Feeler gauge
@ Pump body
Fig. 104 (D Relief valve seat
® Outer rotor
4. ENGINE
I Oil Filter I
1. Drain the engine oil in accordance with
section 2.
A
2. Unscrew the center bolt to remove the
oil filter.
B. Inspection
1. Measure the clearance between the inner
and outer rotors.
Use a feeler gauge to measure the
clearance between the rotors.
If the
clearance beyonds the serviceable limit,
replace the pump.
2. Measure the clearance between the outer
rotor and the pump body.
Use a feeler gauge to measure the
clearance between the outer rotor and the
pump body.
If the clearance beyonds
the serviceable limit, replace the pump.
3. Inspect the operation of the relief valve.
Make sure that the relief valve is not
stuck in the pump body. Also check
for any foreign objects which may be
lodged between the valve and seat.
4. Inspect the screen filter
Wash and inspect the screen filter. Re-
place the filter if damaged.
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