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9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
10. Inspect surfaces of pump cavity in crankcase and
surface of pump cover for scoring or wear.
11. Inspect gerotor for scoring or other damage. Replace
parts as a set if damaged.
OIL PUMP ASSEMBLY
1. Clean and dry all parts thoroughly. Apply clean
engine oil to all parts. Do not use gasket sealer on
the pump cover mating surfaces.
2. Align the gerotor according to the orientation dots.
3. Place the drive pin
q
through the oil pump drive
shaft.
4. Slide the gerotor
w
onto the drive shaft and lock
them into position on the drive pin.
5. Install the washer
e
onto the drive shaft.
6. Install the oil pump cover
r
onto the shaft assembly.
7. Grasp the complete oil pump assembly by the drive
shaft and install the assembly into the crankcase.
8. Install the three oil pump cover bolts and torque to
specification.
9. Torque cover bolts to specification.
TORQUE
Oil Pump Cover Bolts:
9 ft-lbs (12 Nm)
FLUID CAPACITY
Oil Capacity
Approx. 2 Quarts (1.9 L)
Oil Filter Wrench
PU-50105 or 2.5” (64 mm)
Oil Type
Polaris PS-4 Synthetic Engine Oil
Oil Pressure
Minimum Specification
(using Polaris PS-4 at operating temperature)
10 PSI @ 1200 RPM (Minimum)
40 PSI @ 7000 RPM (Minimum)
ENGINE / COOLING SYSTEM
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