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,
STEERING
(SKIS)
&
CHASSIS-
Steering, Skis
l
CHAPTER
4.
STEERING (SKIS)
AND
CHASSIS
4-1
STEERING
1.
Maintenance
The steering
column
support, relay rod, outside arms and
ski columns should all be checked
for
tightness
as
often
as
possible. Loosening and excessive wear
of
any
of
these
items can
cause
poor handling. The steering column
support
on
the steering gate should
be
disassembled and
lubricated periodically. The ski columns shou Id
be
lubri-
cated
with
grease
every 20 hours.
Lubrication
of
all other
steering linkage should be done every
40
hours.
(See
lubrication
chart.)
4-2
SKIS
1.
Maintenance
Tightness
of
the
steering c
olumn
to the steering Ii nkage
system
is
very
important
in
controlling
parallelism
of
the
skis
while
the
snowmobile
is
in
motion.
Skis are supported
on
5 leaf springs
that
are
pivotted
at
the
rear
of
the s
ki
and
free
to
expand and contract on a wear plate
at
the
front
part
of
the
ski.
Thi
s wear plate should be
greased
often to
reduce
friction
between the spring and
\Near
plate.
2. Ski
Parallelism
Parallel
ism
of
the skis is checked
by
mea
suring
from
center
to
center (outside
of
one s
ki
to i
ns
ide of
other
ski}.
Adjustment
of
parallel
ism
accomplished
by
adjusting the
relay rod length. Correct center to center d
is
tance A of the
skis
is
: 24.1
''
(613 mm) for the 15 in Track
Mo
del
27
.1 '' (
69
0 mm) for the 18 in Track Model
Note:
I
Mea
sure
th
e distan
ce
between the sk
is
(ce
nter to
center) at the
fr
ont ends
and
at
the r
ea
r e
nds
respe
c
tiv
e
ly
.
If
the
di
fferen
ce
of the value
me
a
su
red
excee
ds
±0
.4'' (
±1
0 mm). adjustment is required.
.......-.
\
A
(
Fig. 4-2
B
•
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I
...
~
A
....
•
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~ -
~-
~
Iii
,I
-
A - B = +
Q.
4"
(±10 mm)
I •
1·
~
i Fig. 4-1
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Fig. 4-3
-70-
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