1979 Ski-Doo Supplementary Shop Manual, Page 17Get this manual

1979 Ski-Doo Supplementary Shop Manual, Page 17

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SECTION 02 SUB-SECTION 02 (DRIVE BELT)

2 Slide upper "0" ring to zero distance on the deflection force sca le3 Using wooden rule and teste r, app ly pressure until lower "0" ring is flush