DIESEL
ENGINE
05
SERIES
WSM,
01640
LUBRICATING
SYSTEM
CHECKING
0164C
Englne
Oil
Pressure
1.
Remove the oil switch and set a pressure tester
2, Start the engine. After warming up, measure the oil
3. If the oil pressure is
less
than the allowable limit
0
Engine oil insufficient
0
Oil pump defective
0
Oil strainer clogged
Oil filter cartridge
0791
6-32031).
both idling and rated speeds.
following.
(Code No.
pressure of
,
check the
Oil gallery clogged
0
Excessive oil clearance of bearing
0
Foreign matter in the relief valve
(When reassembling)
0
After checking the engine oil pressure, tighten the engine oil
pressure switch
to
the specified torque.
11900S10261
SERVICING
[I]
OIL
PUMP
DDODDF
I
OOOOOFl0590
Rotor Lobe Clearance
1,
Measure the clearance between lobes
of
the inner rotor and the
2. If the clearance exceeds the factory specifications, replace the
outer rotor with
a
feeler gauge,
oil pump rotor assembly.
OOOOOSl0422
Clearance between Outer Rotor and Pump
Body
1.
Measure the clearance between the outer rotor and the pump
2. If the clearance exceeds the factory specifications, replace the
body with a feeler gauge.
oil pump rotor assembly.
00000s10432
S-141
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