Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 310Get this manual
REAR SUSPENSIONTRACKTRACTION With the cylinder head assembly pushed down against the piston, carefully, insert the piston rod and assembly into the cylinder; Slightly oscillating the piston rod to allow piston to enter shock body boreA light coating of oil on the piston wear band will ease installation(PICTURE 17) Slowly push the piston rod and assembly into shock body until the cylinder head assembly bottoms on the cylinder counterboreSlight up and down movement may be required to allow all air to pass through piston assemblyNOTE: During installation, some shock oil will overflowWrap shop cloth around shock body to catch possible oil overflowFast installation of the piston rod and assembly may displace the floating piston from its original positionThis must not occur if the damper is expected to perform as designed Using an open face spanner wrench tighten cylinder head securely into the shock cylinder(PICTURE 18) 18 Pressurize the shock, through the pressure valve, with nitrogen gas to the specified pressure(PICTURE 19) If using RydeFX inflation tool Refer to Procedures for use of replaceable inflation needle instruction manual found in the RydeFX inflation tool caseNOTE: After being compressed, the piston rod should fully extend from the shock body once the shock has been pressurized19 Install the small button head screw in the pressure valve assembly and tighten securely(PICTURE 20) Reinstall sleeve and bushings in lower shock mount