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BOMBARDIER Ski-Doo 1978 Series Operator's Manual page 25

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By raising the outer attachment of the
bogie wheel
sets, vehicle
maneu-
verability in deep snow will increase.
You will note that there are partially
drilled holes located approx. 3.5 em
(1 % ") above the original cross shaft
holes of the frame. To reposition bogie
wheel sets, drill holes fully through
using a
5/ 16"
dia. drill. Remove cap-
screws securing bogie wheel cross
shafts to frame and reinstall bogie
wheels in new position.
Run vehicle forward so that true free-
play can be taken. Check tension then
turn driven pulley
Yz
turn counter-
clockwise and recheck. Starting from
maximum reading, adjust chain tension
to 6 mm (Y4 ") free-play. Remove cap-
screw locking chain tensioner in place.
(Tensioner is located at bottom left of
gearbox).
Chain tensior.er
Rotate the tensioner as required to
obtain correct chain tension.
Replace capscrew to lock chain ten-
sioner in place.
O
NOTE: If the vehicle is used to
carry or pull heavy loads, it is ad-
visable to change the gear ratio. Con-
tact your dealer for optional gears.
The brake mechanism on your snow-
mobile is an essential safety device.
Keep this mechanism in proper work-
ing condition. Above all, do not oper-
ate your snowmobile without an effec-
tive brake system .
WARNING: Brake pad or pucks
less than 5 mm (3/'6
in.l
thick
must be replaced. Replacement must
be performed by an authorized dealer.
;{lTI:<'L)~/
apply fully while brake
control level is still2.5cm
(1
inch) mini-
mum from handlebar grip.
If a minor adjustment is indicated,
slacken off cable housing nut (A) and
tighten nut
(8)
to increase lever clear-
ance. Turn each nut vice versa to
decrease.
One minor adjustment is completed,
firmly tighten nuts (A and
B)
against
bracket. If correct brake control lever
clearance
is unattainable,
proceed
with major adjustment as follows:
23

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