Xingyun XY40EV, Service Manual

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CHAPTER 4 CHASSIS
SERVICE MANUAL
CHAPTER 4 CHASSIS PAGE. 4- 2
4.1 FRONT A-ARM REPLACEMENT
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 and remove two bolts on A-arm, and remove A-arm.
5. Examine A-arm 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.
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 ).
Upon A-arm installation completion, test vehicle at low speeds before putting into regular
service.