Oil Pump - Polaris 2005 SPORTSMAN 500 Servise Manual

ENGINE
2. Separate crankcase by tapping with a soft faced
hammer in reinforced areas.
3. Tap lightly on balancer gear with a brass drift
through the hole in the crankcase if necessary, to
ensure the balancer shaft stays in the PTO side
crankcase. Watch the gap along the crankcase
mating surface and separate the crankcase
evenly. It may also be necessary to tap the oil
pump shaft lightly to separate the crankcase.
CAUTION: Do not strike the oil pump shaft at an
angle or the shaft may bend, causing irreparable
damage. Tap only lightly on the pump shaft if
necessary.
4. Remove the Mag (RH) crankcase from the PTO
case.

OIL PUMP

REMOVAL/INSPECTION
C
1. Remove pump shaft bearing (A) and thrust
washer (B) from pump shaft.
2. Remove (2) bolts holding pump drive gear (C).
3. Inspect drive gear teeth for cracks, damage or
excessive wear.
3.34
A
B
4. Remove three oil pump retaining bolts and pump.
5. Inspect mating surface of crankcase and oil
pump. Check for nicks, burrs, or surface
irregularities.
6. Remove the three screws and strainer screen
from pump.
7. Clean screen thoroughly.