2004 Skidoo Tundra Skandic Series Service Manual, Page 250Get this manual
Section 05 TRANSMISSION Subsection 04 (DRIVEN PULLEY)
Spring Torsional Pre-Load To check spring pre-load adjustment, use spring scale hook (PN 529 006 500) and spring scaleRemove drive beltInstall the hook on the sliding halfPreventing fixed half from turning, pull sliding half with the spring scale perpendicularly with pulley axleTake 1st measurement when sliding half begins to turnRotate sliding half to 10 mm (38 in) of rotationHold fish scale at this positionSlowly release tension from fish scale and take 2nd measurement when sliding half begins to returnSpring pre-load is the average measurement between these 21st measurement (when opening)3.8 kg (8.4 lb) (when opening) 3.4 kg (7.5 lb)(when closing) 3.6 kg (8 lb) Actual spring pre-load 2nd measurement (when closing)Spring pre-load
Pulley Alignment and Drive Belt Deflection