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9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
6. Inspect the pinion shaft assembly. Replace bearings
if needed. Inspect each gear for damage, chips or
abnormally worn teeth.
NOTICE
If pinion shaft was disassembled, the bearing cover
must be installed on the shaft before installing the 46T
gear.
7. Install the pinion shaft assembly. Be sure to properly
mesh the snorkel shaft bevel gear with the pinion
shaft bevel gear.
8. Apply Loctite® 242™ to the threads of the bearing
cover retaining screws.
9. Using a 5 mm Allen wrench, install only the (3)
screws that secure the pinion shaft assembly as
shown below. Leave the longer locking screw (A) out
at this point.
NOTICE
DO NOT install the longer screw (A). Installing the
longer screw will lock the snorkel tube and not allow for
backlash setting adjustment.
10. Torque the bearing cover retaining screws to
specification.
TORQUE
Snorkel Bearing Cover Retaining Screws:
8 ft-lbs (11 Nm)
11. Rotate the snorkel tube counterclockwise using the
snorkel tool (PA-50231) until the snorkel gear and
pinion gear have ‘zero’ backlash.
NOTICE
DO NOT overtighten the snorkel tube when backing it
out. At the 'zero' backlash position, you should still be
able to turn the snorkel shaft using your fingers, but it
will feel rough and may have some tight spots.
12. Look down into the transmission housing to see the
snorkel locking screw hole opening to reference your
starting point.
NOTICE
If you have a hard time seeing into the hole, insert a
small Allen wrench, punch or screwdriver into the hole
to feel when the notch is aligned with the hole.
TRANSMISSION
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