1. Inner rotor
2. Outer rotor
3. Oil pump housing
3. Check:
• Oil pump operation
Rough movement → Repeat steps (1)
and (2) or replace the defective part(s).
EAS24971
CHECKING THE RELIEF VALVE
1. Check:
• Relief valve body "1"
• Relief valve "2"
• Spring "3"
• O-ring "4"
Damage/wear → Replace the relief valve
assembly.
EAS24980
CHECKING THE OIL DELIVERY PIPES
The following procedure applies to all of the oil
delivery pipes.
1. Check:
• Oil delivery pipe "1"
• Oil pipe "2"
Damage → Replace.
Obstruction → Wash and blow out with
compressed air.
EAS24990
CHECKING THE OIL STRAINER
1. Check:
• Oil strainer "1"
Damage → Replace.
Contaminants → Clean with solvent.
EAS25010
ASSEMBLING THE OIL PUMP
1. Lubricate:
• Inner rotor
• Outer rotor
• Oil pump shaft
(with the recommended lubricant)
5-61
OIL PUMP