1980 Ski-Doo Shop Manual, Page 309Get this manual
SECTION 06 SUB-SECTION 05, (TRACK)
Tension (bogie wheel), Elan, Spirit
With rear of vehicle blocked off the groundcheck the track tension at middle set of bogie wheels: 35 mm (1 i") between top inside edge and bottom of foot board
Tension (Slide Suspension)
With rear of vehicle blocked off the groundcheck track tensionA 13 mm (t") gap should exist between slider shoe and bottom inside of track(0=:::1")
To adjustloosen or tighten adjuster bolts located on If applicableensure link plate springs are In the middle position of the position slotted anchorsTo correct track tensionloosen link plate spring lock nuts on inner side of link plate springsTurn adjuster bolts clockwise to tighten track or counter-clockwise to slackenTighten link plate spring lock nutsinner side of rear idler wheels
Alignment (Bogie Wheel)
With rear of vehicle supported off the groundstart engine and allow the track to rotate slowlyCheck If track is well centered and turns evenly on rear sprocketsDistance between edge of track and link plate must be equal on both sides(If applicableensure link plate springs are in the middle position of the position slotted anchors)WARNING: Before checking track alignment, ensure that the track is free of ali particles which could be thrown out while track is rotatingKeep hands, feet, tools and clothing clear of track