LUBRICATION SYSTEM
IL PUMP C VER A
Remove oil pump cover A from the oil pump body.
Remove the dowel pins from the cover.
D WEL PINS
FEED PUMP SIDE:
OUTER ROTOR
HAFT
Remove the following from the oil pump body.
– oil pump shaft
– thrust washer
– drive pin
– inner rotor
– outer rotor
Remove the oil seal from the oil pump body to
avoid damaging the pump body.
INNER ROTOR
INSPECTION
Temporarily assemble each inner rotor, outer rotor
and drive pin onto the pump shaft, and install them
into the pump body and pump cover B.
Measure the tip clearance for the feed and
scavenge pumps.
SERVICE LIMIT: 0.20 mm (0.008 in)
Measure the pump body clearance for the feed and
scavenge pumps.
SERVICE LIMIT: 0.35 mm (0.014 in)
4-9