OC60-E2, OC95-E2, WSM
ENGINE
S-14
(2) Lubricating System
Engine Oil Pressure
1. Remove the screw plug and install an engine oil pressure
tester.
2. Start the engine. After warming up, measure the oil pressure
of both idling and rated speeds.
3. If the oil pressure is less than the allowable limit, check the
following.
A
Engine oil insufficient
A
Oil pump defective
A
Oil strainer clogged
A
Excessive oil clearance of bearing
A
Foreign matter in the relief valve
A
Oil gallery clogged
(Engine oil pressure)
At idle speed
Factory spec.
49 kPa or more
0.5
or more
7 psi or more
At rated speed
Factory spec.
147 to 490 kPa
1.5 to 5.0
21 to 71 psi
Allowable limit
98 kPa
1.0
14 psi
0000009197E