Polaris Scrambler 9921620 Owner's Manual page 85

Rear Drive Chain Slack
6. Roll the vehicle forward or
backward to adjust the chain slack
to the proper tension. See the
illustration for proper splice link
clip opening position (1).
7. Tighten the eccentric locking bolts
to 30 ft. lbs. (41 Nm) for machines
without the hitch and 45 ft. lbs. (61
Nm) for machines with a hitch.
8. Tighten the caliper mount bolt to 15 ft. lbs. (20 Nm)
9. Remove the pin punch.
10. Roll the vehicle forward, checking chain tension in several places
around the chain.
NOTE: The chain is adjusted correctly when the tightest portion of
the chain has approximately 3/8" (10mm) deflection.
11. Position the chain guide to allow 1/8" (3mm) clearance and tighten
the retaining bolt to 5 ft. lbs. (7 Nm).
12. Reinstall the chain guard.
MAINTENANCE
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