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OIL PUMP
ENG %m
EAS00360
OIL PUMP
4Nm (0.4 m « kg, 2.9 f H b)
Order
1
2
3
4
5
Job/Part
Removing the oil pump
Radiator
AC magneto
Starter clutch
Drive gear
Circlip/Plate washer
Oil pump driven gear
Dowel pin
Oil pump
3
Q’ty
Remarks
Remove the parts in the order listed.
Refer to”RADIATOR”in chapter 6.
1
1/1
1
2
1
For installation, reverse the removal procedure.
5-61
11710404
OIL PUMP
EAS00364
CHECKING THE OIL PUMP
1. Check:
• oil pump drive gear
• oil pump driven gear ©
• oil pump housing
• oil pump housing cover
Cracks/damage/wear -» Replace the defective part(s).
2. Measure:
• inner-rotor-to-outer-rotor-tip clearance A
• outer-rotor-to-oil-pump-housing clearance \B\
• oil-pump-housing-to-inner-rotor-andouter-rotor clearance \c\
Out of specification -» Replace the oil pump.
© Inner rotor
(2) Outer rotor
(3) Oil pump housing
Inner-rotor-to-outer-rotor-tip clearance
0.15 mm (0.006 in) or less
<Limit>: 0.23 mm (0.009 in)
Outer-rotor-to-oil-pump-housing clearance
0.13 ~ 0.18 mm (0.005 ~ 0.007 in)
<Limit>: 0.25mm (0.010 in)
Oil-pump-housing-to-inner-rotorand-outer-rotor clearance
0.07 ~ 0.12 mm (0.003 ~ 0.005 in)
<Limit>: 0.19 mm (0.008 in)
5-62
3. Check:
• oil pump operation
Rough movement -» Repeat steps (1) and
(2) or replace the defective part(s).
5-63
OIL PUMP
ENG %m
EAS00375
ASSEMBLING THE OIL PUMP
1. Lubricate:
8inner rotor
8outer rotor
8oil pump shaft
(with the recommended lubricant)
Recommended lubricant
Engine oil
2. Install:
8 oil pump shaft (T)
(to the oil pump housing ® )
8 pin (3)
8 inner rotor ®
8 outer rotor ©
8 oil pump housing cover ®
8 oil pump housing screw
X I 4 Nm (0.4 m * kg, 2.9 ft * lb)
NOTE:
When installing the inner rotor, align the pin (3) in the oil pump shaft with the groove a in the inner rotor (4) .
3. Check:
8 oil pump operation
Refer to “CHECKING THE OIL PUMP”.
EAS00376
INSTALLING THE OIL PUMP
1. Install:
8oil pump drive gear 1
8gasket New
8oil p u m p 2
8oil pump bolt
\ | 4 Nm (0.4 m * kg, 2.9 ft * lb)
C
After tightening the bolts, make sure the oil pump turns smoothly.
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