Ski Shock Absorber - Arctic Cat ZR4000 Service Manual

Table of Contents

6. Remove the two cap screws and nyloc nuts securing

the lower arm to the chassis; then slide the boot from

the arm and remove the arm.

7. Remove the two cap screws and lock nuts securing

the upper arm to the chassis.

INSPECTING

1. Inspect the arm welded areas for cracks or any signs

of deterioration.

2. Inspect the bearings and axles for wear or damage.

3. Inspect the arm tubing for signs of twisting or bend-

ing.

4. Inspect mounting location of the chassis for cracks or

wear.

INSTALLING

1. Place the upper arm into position on the chassis and

secure with the cap screws, axles, and new lock nuts.

Tighten to 23 ft-lb.

0749-480A

2. Slide the lower arm into the steering boot; then place

the arm into position on the chassis with the existing

bushings. Secure with the cap screws and new lock

nuts and tighten to 55 ft-lb (front) and 45 ft-lb (rear).

SNO-226A

4. Secure the A-arms to the spindle using one new lock

nut and one new tri nut. Tighten to the lock nut 45

ft-lb and the tri-nut to 23 ft-lb.

 NOTE: If the upper A-arm ball joint is being

replaced, make sure the ball joint is threaded in as far

as it can. Do not adjust outward or damage to the

A-arm or ball joint can occur.

5. Using a 19 mm wrench, tighten the hex nut against

the upper A-arm securely making sure to keep the

ball joint level with the spindle.

SNO-572

6. Install the ski shock absorber and secure using the

existing cap screws and new lock nuts. Tighten to 24

ft-lb.

7. Install the steering boot and secure using the existing

push-rivets; then place the front skid plate into posi-

tion; then secure with the torx-head screws.