Yamaha WR426F(P), Руководство по эксплуатации для владельца

Страница: 492 / 776

4 - 75
ENG
OIL PUMP
INSPECTION
Oil pump
1. Inspect:
●
Oil pump drive gear
●
Oil pump driven gear
●
Rotor housing
●
Oil pump cover
Cracks/wear/damage
→
Replace.
2. Measure:
●
Tip clearance
a
Between the inner rotor 1 and the
outer rotor
2
.
●
Tip clearance
b
Between the outer rotor 2 and the rotor
housing 3 .
Out of specification
→
Replace the oil
pump.
Tip clearance
a
:
0.12 mm or less
(0.0047 in or less)
<Limit>: 0.20 mm (0.008 in)
Tip clearance
b
:
0.09 ~ 0.17 mm (0.0035 ~ 0.0067 in)
<Limit>: 0.24 mm (0.009 in)
Side clearance
c
:
0.03 ~ 0.10 mm (0.0012 ~ 0.0039 in)
<Limit>: 0.17 mm (0.007 in)
3. Check:
●
Unsmooth
→
Repeat steps #1 and #2
or replace the defective parts.
ASSEMBLY AND INSTALLATION
Oil pump
1. Install:
●
Oil pump drive shaft 1
●
Washer 2
●
Pin 3
●
Inner rotor 1 4
NOTE:
●
Apply the engine oil on the oil pump drive
shaft and inner rotor 1.
●
Fit the pin into the groove in the inner rotor 1.