Tire Size And Inflation Pressure; Front Wheel Drive Hub Specifications - Polaris 1999 Sportsman 400 Service Manual

302
3. Remo ve the four bolt s (F ig u re 4 6) se curing
the front drive unit to the frame .
4.
Disconnect the
vent
li ne
(A,
Fig ure
47).
5. Remove the front dri ve unit (B, Figure 47)
from the frame .
6 . Install by re versing the se remo val ste ps.
Tighten the
mounting bo lts sec urely.
C HAPT ER TE:-1
Inspection
It
is recommen ded
that
the front drive un it in-
spection and overhaul be e nt rus ted to a Polaris
dealership. The cos t of the required tool s w ill
mo st likely o utweigh the cos t of the re pai rs or re-
pl aceme nt.
Table 1 TIRE SIZE AND INFLATION PRESSURE ICOLD,·
Model Size kPa
PS I
Front w hee ls
25
x
8
x
12
34.5
5
Rear wheels
1996 25 x 12 xl0 34.5
5
1997~on 22 x l1 xl0 34.5
5
"Tire pressure for original equipment tires. Aftermarket tires may require different Infl ati on pressure.
Table
2
FRONT WHEEL DRIVE HUB SPECIFICATIONS
Item
Front hub retain er spring
Wire diameter
Spring free length Ins id e hooks
Pole gap
Specification
Part
No . 3250032
0.40
mm
(0.016
In.)
168
mm
(6.61
In.)
0-0.025
mm
(0-0.001
In.)
Table 3 TORQUE SPECIFICATIONS
Item
Nom
In.·lb.
«..
Ib.
Front hub castellated nut'
First stage 18.6 165
-
second stage
14.0 124
-
Front brake rotor hex borts' 24
-
18
1.
see
text in thi s ch apter for torque pr ocedure.
2. New bolts wi th pr e-appl ied thread locking compound.