8.18
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
FRONT GEARCASE ASSEMBLY
1. As mentioned during gearcase disassembly section,
replace all O-rings, seals and worn components.
2. Install pinion shaft assembly and install internal snap
ring.
NOTICE
If bearing replacement was required, press new bearing
onto the pinion shaft and install a new external snap
ring.
3. Install a new pinion shaft seal
q
into the pinion gear
housing. Using a universal seal installer, press the
new seal into the housing until the seal is just below
the housing chamfer.
4. Install the RH output hub
w
into the gearcase
housing.
5. Carefully install the rollers
e
into the roll cage
assembly while installing the assembly into the
clutch housing.
NOTICE
Install roll cage so that the ring gear grooves line up
with the roll cage windows (see below). Be sure role
cage top groove is facing upward.
6. Install the torsion spring
r
by wrapping each leg of
the spring around the dowel pin on the ring gear.
FINAL DRIVE
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