Track Tens Ion; Track Alignment - Arctic Cat 1987 AFS El Tigre Service Manual

Fig. 7·45
Adjustment Bolt
Jam Nut
Ax le Housing
0725·752
4.
If measurement obtained in step
2
is more
than specif ied, tighten adju stment bolts. If
measurement obtained is less than specified ,
loosen adjustme nt bolts. When measurement
is within specified range, lock adjustmen t by
bottoming the jam nuts aga in st the axle hous-
ings. Tighte n the rear id ler wheel bolts.
_ NOTE: Slide your hand along the inside of
- the tunnel and vigorously push the under-
side of the track up and down. Track must not hit
top of tunnel or slap skid frame.
5.
After correct track tens ion is obtained, check
track alignment.
II NOTE: Track tension and track alignment are
interrelated; always check both even if only
one adjustment seems necessary. Always
establish correct track tension before checking
andlor adjusting alignment.
,
Track Alignment
Proper track alignment is when the rear idler
wheels are equidistant from the in ner drive lug s
on the inside surface of t he track. .
Fig. 7·46
Rear Idler
Wheels
Inner Drive
Lugs
0725·070
1. Us ing a shielded safety stand, raise the rear
of the snowmobile off the floor making sure
the track is free to rotate.
Lh
WARNING
&
The tips of the skis must be positioned against a
wall or similar object for safety.
2. Start the engine and accelerate slightly. Use
only enough throttle to t urn the track several
revo lutions. SH UT ENGINE OFF.
II NOTE: Allow the track to coast to a stop. DO
NOT apply the brake because it could pro·
duce inaccurate alignment conditions.
3. When the track stops rotating, check the rela-
tionship of the rea r idler wheels and the track
inner drive lugs. If the distance from the idler
wheels to the inn er drive lug s is the same on
both sides, no adjustment is necessary.
4. If the distance from the idler wheels to the in-
ner drive lugs is not the same on both s ides,
proceed to step 5.
5 .
On the side of the track which has the inner
drive lugs closer to the rear idl er wheel,
loosen the adjustme nt bolt jam nut and both
rear idler wheel bolts; t hen rotate the adj ust-
ment bolt c lockwise 1-1112 turns .
6. Check track a lignment and make necessary
adjustments until proper alignment is obtain-
ed.
II
NOTE: Make sure correct track tension is
maintained after adjusting track alignment.
7. After proper t rack alignment is obtained, lock
adju stment bolt jam nut agai.n st the ax le
housing and tighten the rear id ler wheel bo lts.
8. Field test the track under actual cond itions.
9. After the field test, check track ali gnment and
track tension; adju st if necessary.
151
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