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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
6.19
3. Remove the speed sensor from the housing.
4. Remove the nuts and washers from the rear of the
housing. Note that a stud plate is riveted to the tunnel.
The stud plate does not need to be removed.
5. Remove the fasteners that secure the chaincase
housing to the front clip and bulkhead cooler.
6. Remove the rivets securing the bulkhead floor and
fender to the chaincase housing.
7. Obtain a propane torch. Wear protective gloves,
clothing and eye wear. Apply even heat to the rear
housing flange and front spar where it mounts to the
bulkhead clip (arrows in image).
CAUTION
Keep flame away from flammable materials. Use
propane torch in well-ventilated area.Only apply heat to
area that requires adhesive bond separation. Do not
apply heat to areas of adhesive where bond line
separation is not needed. Doing so will require
removing the part, removing adhesive, and then re-
applying new adhesive.
8. While applying heat, carefully and slowly pull the
chaincase housing away from the chassis. Use care
to not distort the tunnel.
9. Remove the chaincase.
10.Allow the housing to cool completely. Inspect the
bearing seals, and bearings.
FINAL DRIVE / BRAKE SYSTEMS
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