Hisun HS700UTV-4 Maintenance Handbook page 196

ENGINE
1、CHECK
1). Checking the oil pump
• rotor housing
• rotor cover
Cracks/wear/damage
• oil pump operation
Unsmooth
replace the defective parts.
2). Checking the oil strainer
• oil strainer ①
• O-ring ②
Damage
Contaminants
2、MEASURE
1). Measure the oil pump
• tip clearance(a)
(between the inner rotor ① and the out rotor ②)
• side clearance(b)
(between the outer rotor ② and the pump
housing ③)
• body clearance (c)
(between the outer rotor ② and the pump
housing ③)
Out of specification
Tip clearance Limit: 0.23 mm
Side clearance Limit: 0.17 mm
Body clearance Limit: 0.24 mm
2). Measure the crankshaft
• crank width (A)
Out of specification
Crank width
74.95 ~ 75.00 mm
• side clearance (D)
Out of specification
.
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Replace.
Repeat steps #1 and #2 or
Replace.
Clean with engine oil.
Replace the oil pump.
Replace the crankshaft.
Replace the crankshaft