2
-
101
42hW-201601
CHAPTER 2 ENGINE3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
2
ITEM STANDARD
Clearance (mm)
0.10 ~ 0.16
6.6.3 OIL PUMP
Oil pump, as trochoid pump, driven by crank shaft
gear is compact as well as pressure fluctuation is
small. And 3.5kg/cm
2
pressure supply to each part.
When discharging pressure of the oil pump is low,
check the ow rate. And the case which does not have
defective, the check of oil pump is necessary with the
next method.
Checking a clearance of between out rotor and
pump body by thickness gauge.
Check a clearance of pump body, outer rotor and
inner rotor by thickness gauge.
ITEM STANDARD
Clearance (mm)
0.03 ~ 0.09
K25W2A11A
Outer rotor
Pump body
Thickness
gauge
K25W2A12A
Pump body
Thickness gauge
Straight edge
CLEARANCE OF BETWEEN
OUT ROTOR AND PUMP BODY
CLEARANCE OF PUMP BODY,
OUTER ROTOR AND INNER ROTOR
After measuring a rotor shaft outer diameter and oil
pump cover inner diameter, calculate the difference
between the inner diameter and outer diameter.
ITEM STANDARD
Clearance (mm)
0.013 ~ 0.043
CLEARANCE OF BETWEEN INNER
ROTOR SHAFT AND OIL PUMP COVER
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