1972 Ski-Doo Shop Manual, Page 38Get this manual
Footboard
2To adjust, use the following procedure: a) On all models except Ian, ensure link plate springs are in the middle position of the 3-position slotted anchorsNOTE: Do not attempt to correct track tension by advancing or retarding the link plate springs in their anchorsb) Loosen link plate spring located on inner side of springs-
2To align track use the following procedure: a) Loosen link plate spring lock nut on side where the track is closest to the link plateb) Turn track adjuster bolt on same side clockwise until the track realignsc) Tighten link plate spring lock nutsd) Rotate track slowly and recheck align ment
lock nuts link plate
c) Turn adjuster bolts clockwise to tighten track and counter-clockwise to slacken track (see fig1-5-5)d) After track tension is adjusted equally, align the track
TRACK TENSION AND ALIGNMENT (Alpine and Valmont models) Track tension and alignment procedures are closely inter-related on these vehiclesThe tension of each track should be 2-14 18 inch (Distance (A) between top inside edge of track and bottom of footboard) (fig1-5-8)