Center/Front Drive Chain Slack Adjustment; Center/Front Drive Chain Inspection/Adjustment; Sprocket Inspection - Polaris Magnum 2x4 Service Manual

MAINTENANCE
Drive Chain
Center/Front Drive Chain Slack Adjustment
Periodically remove the chain guards to check chain quality and adjustment.
The center chain should be adjusted before the front chain. This adjustment affects the front chain slack.
After the recommended center chain adjustment is made, proceed to the front chain. NOTE: This procedure
should be performed while the vehicle is empty (Le. no one sitting on the machine).
Center/Front Drive Chain In-
spection/ Adj ustment
1. Remove cotter pin and washer
connecting brake pedal linkage
to caliper actuating arm. Re-
move linkage from arm.
2. Remove right front fender mud
flap foot rest attaching hardware.
3. Remove center chain guard at-
taching hardware. Press brake
pedal downward and remove
guard.
4. Remove forward chain guard at-
taching bolts and guard.
5. Loosen center chain eccentric
clamp bolts (A).
/
Pin punCh--/
\'.--__ -A
~B
\
Front
\
\
' \ '" • Q
50 ft. Ibs.
\ () .. \ 6.9 kg-m)
\
\
/
\~
50
ft.
Ibs. \
6.9 kg-m)
6. Rotate vehicle forward or rearward until one of sprocket holes aligns with hole provided in eccentric.
7. Insert a large punch or screwdriver through sprocket and into eccentric hole. Rotate vehicle rearward to tight-
en chain. Chain deflection should be 1/4-1/2" (.6 -1.2 cm) with 18 Ibs. (8.18 kg) of force at center of chain.
8. Tighten eccentric clamp bolts to 45
ft.
Ibs. (6.21 kg-m). NOTE: This does not include nut rolling torque. Check
chain tension.
9. Loosen forward chain eccentric clamp bolt (8). Install punch as was done previously and adjust chain to
1/4-1/2" (.6 -1.2 cm) with 18 Ibs. (8.18 kg) force at center of chain.
1 O.Tighten forward eccentric clamp bolt to 45 ft. Ibs. (6.21 kg-m). NOTE: This does not include nut rolling torque.
When this bolt is tightened the chain deflection may change. Check deflection and adjust again if needed.
Sprocket Inspection
Inspect the sprocket for worn, broken or bent teeth.
To check for wear, pull outward on the chain as shown. Re-
place sprocket if chain movement exceeds 1/4" (.6 cm).
5/98
2.38
Polaris Industries Inc.