1972 Ski-Doo Shop Manual, Page 55Get this manual
1-09-06 NOTE: If necessary, heat outer cam to facilitate removal6Remove cam slider shoes from outer cam7Using an appropriate bushing pusher, press bushing from sliding pulley half (see fig1-9-13)
DRIVEN PULLEY
cam) 23 of turn then lock cam by dri ving roll pin through cam and shaftc) Using fish scale, check spring tension on sliding pulley half (fig1-9-19)On Elan, Olympique, Nordic 440 and T'NT 292 models, tension should be lbOn two cylinder T'NT models, spring tension should be 11 lbTo correct spring tension either change spring position in sliding pulley half or gradually rotate outer cam until spring tension is correct
INSPECTION
1Visually inspect cam sl ider shoes for worn or damaged contact surfacesReplace defective shoes2Inspect fixed and sliding pulley halves for scratches, grooves andor rough surfacesRemove defects using fine emery clothWipe pulley hal ves with clean cloth3Check for broken or distorted springRepla ce defective spring4Visually inspect all threaded parts for strip ped, crossed or otherwise damaged threadsRe place damaged components