CHAPTER 4A CHASSIS ATV 260 / 300 /400 and B-Type/ATV400-2/400-2B ATV SERVICE MANUAL 09.0
CHAPTER 4 A CHASSIS PAGE. 4A-
3
MANTENANCE-FREE PIVOT DESIGN
1. Elevate and safely support vehicle
2. Remove cotter pin from ball joint cup at wheel end of A- arm and loosen nut until it is
flush with end of cup.
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 and remove two bolts on A-arm, and remove A-arm.
5. Examine bushing. Replace if worn or tore. Discard hardware.
6. Install new A-arm assembly onto vehicle frame. Install new bolts and new nuts.
NOTE. Tighten the nuts only finger-tighten at this time. They will be tightened to the final
torque after the front wheels are installed and the vehicle is on the ground.
WARNING
DO NOT reuse old bolts. Serious injury or death could result if fasteners come loose during
operation.
7. Attach A-arm to strut assembly. Tighten ball 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.
8. Install hubs, calipers and wheels, lower the vehicle to the ground. Apply Loctite™ 242 to
screw threads of the A arm bolts and torque bolts to 37-44 ft. lbs. (50-60 Nm ).
WARNING
Upon A-arm installation completion, test vehicle at low speeds before putting into regular
service.
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