Oil Pump Inspection - Linhai ATV 260 Service Manual

CHAPTER 3A ENGINE

OIL PUMP INSPECTION

1. Inspect:
Drive gear (oil pump)
Pump housing
Pump housing cover
Wear /cracks/ damage → Replace.
2. Measure:
Tip clearance
(between the inner rotor
Side clearance
(between the outer rotor
housing )
Housing and rotor clearance
(between the pump housing
)
Out of specification → Replace the oil pump
assembly.
Tip clearance
0.10-0.34 mm <Limit: 0.40mm>
Side clearance
0.013-0.036mm <Limit:0.15mm>
Housing and rotor clearance
0.04-0.09 mm <Limit: 0.15mm>
260/ 300 cc
and the outer rotor )
and the pump
and the rotors
□
A :
□
B :
□
C :
ATV SERVICE MANUAL07.0
CHAPTER 3 ENGINE PAGE. 3A- 51