Polaris RANGER 500 2018 Service Manual page 274

ENGINE / COOLING SYSTEM
3. Remove the screws
retainer to the case.
WARNING
Do not reuse bearing retainer screws
4. Support the crankcase and drive, press, or extract
the bearings with a blind bearing remover.
Installation
To ease bearing installation, warm the crankcase
evenly with a heat gun or place in an oven and heat to
220-250° F. Place bearings in clean plastic wrap and
set in a freezer for 10-20 minutes.
1. Clean all bearing bores and inspect for excessive
wear.
Apply Loctite® 641 to the inner race of each of the
crank bearings.
2. Lubricate all bearing bores with clean engine oil.
3.196
e
that secure the bearing
e
.
NOTE
NOTE
3. Fully seat the new balance shaft bearing until
bottomed in the bearing bore.
4. Install the retaining ring
bearings.
5. Fully seat the new outer PTO crankshaft bearing until
bottomed against the retaining ring.
6. Install the bearing spacer.
7. Press in the new inner PTO bearing until it is
bottomed against the bearing spacer.
8. Install the bearing retainer and torque the new
fastener to specification.
WARNING
Do not reuse bearing retainer screws
TORQUE
Bearing Retainer Fastener:
8 ft-lbs (11 Nm) Apply Loctite® 272™
9. Press in the new PTO seal until it is flush with the
engine case.
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
w
for the crankshaft
e
.
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