Rear Suspension REAR ARM SPRING TENSION
The rear spring tension is adjusted for the weight of the driver. Three possible adjustments exist: 1st block position — light operator 2nd block position — medium operator 3rd block position — heavy operator This section has been organized so each procedure can be completed individually and efficiently. The technician should use discretion and sound judgment when removing and installing components.
IO115B
4. Remove the support stand; then tip the snowmobile onto its left side using a piece of cardboard to protect against scratching. Remove the skid frame assembly.
End Cap
Removing Skid Frame NOTE: Many service procedures can be performed
without removing the skid frame. Closely observe the note introducing each subsequent sub-section for this important information.
REMOVING
1. Remove the lock nut, washers, and cap screw securing the end cap.
1. Loosen the jam nuts and the two track tension adjusting cap screws.
SNO-973
2. Using a hammer, tap the end cap off the rail. CLEANING AND INSPECTING 744-947A
2. Place a support stand under the rear bumper; then remove the two cap screws securing the upper idler wheel assembly to the tunnel.
1. Inspect the end cap area of the slide rail for cracks and wear. 2. Inspect the end cap for any signs of cracking or wear.
NOTE: The support stand should hold the snowmobile level and not raised off the floor.
3. Clean both the slide rail area and the end cap. Using compressed air, clean the areas of dirt and gravel.
3. Remove the cap screws securing the front axle, idler axle, and rear suspension arm to the tunnel.
! WARNING Always wear safety glasses when using compressed air.
4. Inspect the cap screw for cracked, stretched, or damaged threads. Use a new lock nut when assembling. INSTALLING
1. Position the end cap on the slide rail; then align the hole in the end cap with the hole in the slide rail. 2. Secure with a cap screws, washers, and new lock nut. Tighten to 80 in.-lb.
43
