Polaris 1999 Sportsman 400 Service Manual page 375

REAR SUSPENSION
369
24
4. Check the bushings (Figure 23) where the ear-
rier is attached to the uppercontrol arm. Replace the
bushings if necessary.
5. Inspect the intemalthreads (Figu re 24) for wear
or damage where the carrier is attached to the lower
control arm. Ifdamage is minimal, clean the threads
with
a metric tap.
I f damage is severe. replace the
rear axle bearing carrier.
6. Make sure the grease filling (Figure 25 ) is clear.
Remove and clean out if necessary.
Installation
25
I.
Applya light coat ofall-purpose grease to the in-
ner race of the bearing and to the rear axle shaft
where the bearing rides.
2. Make sure the inner bushings (8, Figu re 20) are
in place on the lower control arm . Apply a light coat
of greas e to the outer surfaces of the bushings.
3. Install the rear axle bearing carrier onto the rear
axle and push
it
on until
it
stops.
4. Install the rear axle bearing carrier onto the
lower con trol ann.
5. Push the hushings in until they bottom (Figu re
26)
against
the rear axle bearing carrier and align
the bolt holes.
6. Install a large washer (A, Figure 27), then a
smaller washer (B, Figure 27) and bolt (C, Figure 27)
through the lower control ann and into the rear axle
bearing carrier. Repeat to r the other side of the lower
control arm. Tighten the bolls securely at this time.
7.
Move the rear axle bearing carrier up into posi-
tion on the upper control arm . Insert the bolt from
the rear and install a
ll el1-'
nut. Tighten the nut se-
curely at this time.
8. Make sure the rear axle bearing carrier is cor-
rectly seated
wit hin bo th
the upper and lower con-