1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 160Get this manual
SUSPENSION 14Disassemble the two (2) rear idler wheels from the rear wheel axle by removing the bolts and flat washers securing the rear idler wheels to the axleNOTE: If the rear idler wheels are worn or damaged, replace the wheells] as one component part17Pull the rear wheel axle from between the axle slide of the skid frame
Inspection
1After the skid frame has been disassembled, inspect all fasteners and threaded parts for thread damage; replace if damagedCheck all bushings for wear and defects; replace if damagedInspect all component parts for cracks, wear, poor weldments, and any other defect which may be evident3
Skid Frame Assembly
15Loosen the two (2) track tension adjusting bolts until both rear axle spacers are free from the adjusting bolts1Insure that the skid frame and the component parts have been cleaned and inspected for possible damage and defectsReplace the hi-fax slide to the skid frame rails, using the following procedure: NOTE: Hi-fax slides must be at room temperature (70) to insure correct replacement and for ease of installation to the skid frame railsA) B) Insure the rails of the skid frame are cleanSecure the new hi-fax slide to the front (curved end) of the skid frame rail with rivetWith the hi-fax slide secured to the front of the skid frame by rivet, carefully heat the hi-fax with propane torch and bend hi-fax into position on the curved end of the skid frameContinue to secure hi-fax in place with rivets; heat hi-fax as necessaryContinue to secure the hi-fax to the remainder of the skid frame railC)