3
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
3.93
4. Inspect the oil pump chain for worn or missing rollers
or damage. Chain should be replaced as a set with
sprockets if sprocket teeth are worn.
NOTE
The larger oil pump sprocket
t
mounts to the balance
shaft extension, the smaller oil pump sprocket
y
mounts to the oil pump shaft.
5. Remove the upper oil pump sprocket spacer
u
.
6. Remove the three bolts
i
securing the oil pump
cover to the crankcase.
7. Grasp the oil pump shaft and pull it outward to
remove the shaft, oil pump cover
o
and inner oil
pump gerotor
a
. This will prevent the oil pump drive
pin from falling out and into the crankcase.
NOTE
The gerotor
a
set has two orientation dots that must be
installed inward upon assembly
8. Remove the center gerotor, pin and shaft from the oil
pump cover.
NOTE
There is a spacer in between the inner oil pump gerotor
and the oil pump cover.
9. Remove the oil pump gerotor that is in the engine
case (if needed).
10.Clean the gerotors to remove oil.
ENGINE / COOLING SYSTEM
To Next Page
Loading...
Need help?
General
