Polaris 850 PRO-RMK 155 2.6" QD 2021, Manual

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7.18
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
BUSHING / INSERT REPLACEMENT
The drive clutch moveable sheave and cover bushings /
insert are replaceable. Bushing / insert removal and
installation can be aided using the Bushing Removal and
Installation Kit.
The kit uses the Piston Pin Puller tool. Each of the
adapters and/or tools is marked with a callout number.
The callout number is referenced within the text for
identification.
Clutch Bushing Removal / Installation Kit:
2871025
Individual Tools:
P-85 Bushing / Insert Tool
5020627
Cover Bushing Tool
5020629
Main Puller Adapter
5020632
Piston Pin Puller Tool:
2870386
MOVEABLE SHEAVE BUSHING/INSERT
REMOVAL AND INSTALLATION
NOTICE
A torch may be required to release the bushing
retaining compound.
MOVEABLE SHEAVE BUSHING/INSERT
REMOVAL
1. Disassemble the clutch and remove the moveable
sheave from the stationary shaft.
2. Install the handle end of the piston pin puller securely
into a bench vise.
3. Install the main adapter onto the puller.
4. Working from inside of the moveable sheave, insert
the moveable sheave removal tool
q
into the center
of the sheave. Slide the sheave onto the puller tool
with towers facing upward.
5. Secure the puller nut. Turn the puller barrel to
increase tension on the sheave if required.
6. Turn the sheave counterclockwise on the puller rod
until it comes free.
7. Remove the sheave from the puller tool rod.
8. Remove and discard the old bushing and insert.
MOVEABLE SHEAVE BUSHING/INSERT
INSTALL
1. To install a new bushing, place the main adapter onto
the puller rod.
2. Apply a thin film of Loctite® 648 to the leading edge
of the new bushing. Push a new bushing into center
of sheave by hand.
NOTICE
Verify no retaining compound is deposited on the I.D. of
the bushing.
3. Insert the installation tool into the center of sheave
and with the towers pointing toward the vise (down),
slide the sheave onto the puller rod.
4. Secure the rod nut. turn the barrel to apply additional
tension against the sheave if required.
5. Turn the sheave counterclockwise until the bushing is
fully seated.
6. Remove the rod nut and installation tool and repeat
the step to install the new insert.
PVT SYSTEM