120
GOVERNOR
ASSEMBLY
Key
CHAPTER SIX
Thru st
Nul
"
bearing
)
<
Cr
ankshan
Thrust
PI"
Thrust
sleeve
Gov
ernor
flyweights
LUBR
ICATION
SYSTf:M
Refer 10Chapter Two for lubrication system operation,
diagrams and oil pressure test.
Oil Pump
The oil pump is mounted on the front (timing gear) side
of
the cylinder block (Fig
ur
e 45).
Removal
and
installation
I. Remove the timing gearcase as previously described.
2. Remove the governor thrust washe
r(
Fig
ur
e 50), thrust
bearing and thrust sleeve from the crankshaft.
3. Using a suitable tool
(if
available, Yanmar special tool
124085-92700), unscrew the crankshaft nut.
4. Remove the governor flyweight assembly.
5. Remove the oil pump (Fig ure 51) and gasket.
6. Clean any gasket residue from the oil pump and en-
gine.
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