2007-2008 Polaris IQ Snowmobiles Service Manual, Page 265Get this manual
Shocks 20Pressurize the shock body cylinder with nitrogen gas to specification21Install the small button-head screws back into each valve assembly22Reinstall the eyelet hardware and test shockAfter being compressed, the piston rod must fully extend from the body4567is facing upwardSlowly loosen the shock rod bearing cap (4) and remove from the shockEmpty all the shock oil from the shock body and discard the old oilInspect the valve stack (5) as neededReplace any worn, wavy, bent valve shimsIf valve shim service or adjustment is done, torque the piston retaining bolt (6) to 25-30 ft-lb (34-41 N-m)
Walker Evans Air Shock Disassembly
IMPORTANT: Verify the protective outer boot is not torn or damagedIf damaged, inspect the shock shaft for damageReplace shock shaft if damage is found
Piston Retaining Bolt: 25-30 ft-lb (34-41 Nm)
1 3If required, replace the bearing cap seal (7) and o-ring (8)
Walker Evans Air Shock Assembly
1Place the specified amount of fluid into the shock body
6 9CAUTION