2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 395Get this manual
Section 07 TRANSMISSION Subsection 03 (DRIVEN PULLEY)
Remove 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 preload is the average measurement between these 22ND 1ST MEASUREMENTMEASUREMENT (when (whenSPRING PRELOAD opening) closing) 3.8 KG (8.4 LB) (when opening) 3.4 KG (7.5 LB)(when closing) 3.6 KG (8 LB)ACTUAL SPRING PRELOAD
Pulley Alignment and Drive Belt Deflection
Refer to PULLEY DISTANCE AND ALIGNMENT and DRIVE BELT to perform adjustmentsCAUTION: Drive belt and pulley adjustments must always be checked whenever pulleys have been removed, replaced or disassembled