Front Drive System; Front Hub And Hillard Clutch - Polaris 1999 Sportsman 400 Service Manual

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CHAPTER
TEN
FRONT DRIVE SYSTEM
The
front
dr
ive
sys
tem penn
its
the
veh icle
to be
dri
ven
by
the rear wheels
as
long
as
the front whee ls
rotate faste
r
than
the front drive
ax
les.
If
the rota-
tional
speed of
the
front
whee
ls
slow
s
to less than
the
speed
of the rear drive ax
les,
the front
whee l
hub
s
engage. Each
front
hub
has
an
e
lectrical
en-
gagement co
ntro l and
is
referred to
as
a
lIill
ard
clutch
.
Ta
bles
1-3
provid e tire a
nd drive train spec ifica-
tion
s
at
the
end of
this chapter.
NOTE
Tire
size
is
l'C
/)'
important for proper
operation
all all
models.
If
the tire size
is
changed.
the
engagement
of the
front drive may be erra
tic
and could
result
in dangerous control
problems
.
Ref er
10
Table
I
for
original
equip
-
ment tire
size
and
for proper
lire
ill-
flation.
r
novr
H
UB AN
D
HILLARD C
LU TCH
Removal
Refer
to
Figure 1.
I.
Place
the ATV on
a level
surface.
2. Raise
and secure the vehicle so that all
wheels
are
ofTthe
ground.

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