A-Arm Replacement - Polaris 2009 Trail Boss 330 Service Manual

A-ARM REPLACEMENT

Bolt 30 ft. lbs.
(41 Nm)
A-Arm Shaft
Bushing
1. Elevate and safely support vehicle with weight
removed from front wheel(s).
2. Remove cotter pin from ball joint stud at wheel
end of A-arm and loosen nut until it is flush with
end of stud.
3. Using a soft face hammer, tap nut to loosen A-arm
from bolt. Remove nut and A-arm from hub strut
assembly.
4. Loosen two bolts on A-arm tube by alternating
each about 1/3 of the way until A-arm can be
removed.
WARNING
The locking features on the existing bolts were
destroyed during removal. DO NOT reuse old bolts.
Serious injury or death could result if fasteners come
loose during operation.
5. Examine A-arm shaft. Replace if worn. Discard
hardware.
6. Install new A-arm assembly onto vehicle frame.
Torque new bolts to 30 ft. lbs. (41 Nm).
BODY / STEERING / SUSPENSION
Vehicle Frame
A-Arm Tube
25 ft. lbs
(35 Nm).
7. Attach A-arm to hub strut assembly. Tighten ball
8. Locate grease fitting in center of A-arm tube and
Upon A-arm installation completion, test vehicle at
low speeds before putting into regular service.
Apply Loctitet 242 to
Bolt 30 ft. lbs.
the bolt threads.
(41 Nm)
Nut
Cotter Pin
joint nut to 25 ft. lbs. (35 Nm). If cotter pin holes
are not aligned, tighten nut slightly to align. Install
a new cotter pin with open ends toward rear of
machine. Bend both ends in opposite directions
around nut.
pump A-arm full of grease.
WARNING
A-arm Attaching Bolt Torque:
30 ft. lbs. (41 Nm)
Ball Joint Stud Nut Torque:
25 ft. lbs. (35 Nm)
Ball Joint
Stud
8 ft. lbs.
(11 Nm)
5.7