Oil Pressure - BOMBARDIER Johnson 90 Service Manual

PERIODIC MAINTENANCE
OIL PRESSURE
OIL PRESSURE
Oil pressure (at normal operating temp.):
550 - 600 kPa (5.5 - 6.0 kg/cm
2 ,
78 - 85 psi) at 3000
rpm
NOTE:
The figure shown above is a guideline
onty,
not an abso/ute
service limit.
lf oil pressure is lower or higher than specification, the follow­
ing causes may be considerad. (See page 6-68 for oil pas­
sage locations)
Low oíl pressure
• Clogged oil filter
• Leakage from oil passages
• Detective oil pump
• Detective oil pressure regulator
• Damage O-ring
• Combination of above items
High oil pressure
• Using an engine oil of too high viscosity
• Clogged oil passage
• Clogged oíl pressure regulator
• Combination of above items
TEST PROCEDUAE
1. Check engine oil level.
2. Remove bolts and air duct G).
3. Loosen screw and disconnect blue lead wire from oil
pressure switch
(2).
Remove oíl pressure switch.
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