2007-2011 Polaris IQ Snowmobiles Service Manual, Page 338Get this manual
PVT System 12Align the helix alignment hole with the "X" on the moveable sheave OPERATING RPM DROP: Drive belts used on snowmobiles operated at high speedsloads (mountain use) for extended periods of time should be inspected for glazzing at 1,000 mile intervals CORD POP-OUT: Inspect drivedriven clutch alignment, motor mounts, and deflectionSet driven clutch float Remove belt during off-season storage period
MOVEABLE MARK
HELIX MARK
Drive Clutch
PREMATURE WEAR: Verify correct clutch weightspring package is installedInspect spider rollersbushings for damage and uneven wearInspect sheave faces for premature wearDeglaze faces with 1500-2000 grit sand paper OPERATING RPM DROP: Replace drive clutch spring and retestInspect spider rollersbushingsInspectadjust belt-to-sheave clearanceInspect moveablecover bushings SURGINGBOGGING: Inspectadjust clutch alignment and belt deflectionInspect drive clutch weights for wear
13Align the wide gap in the helix splines with the skip tooth in the stationary sheave shaft14Visually verify the rollers are positioned underneath each corresponding helix ramp15Compress the helix down into the sheaveInstall the washer and snap ringVerify the snap ring is fully seated in the groove with the sharp edge upward16Carefully release the clutch compressor17Align the two "X" marks and install the coverTorque fasteners to specification