Arctic Cat 660 cc, Service Manual, Page: 393 / 396

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4. Using a 3/16-in. Allen wrench, remove the set
screw.
FS057
FS058
„
NOTE: Account for a set screw, 5/16-in. ball,
spring, spring rod, and a 1/4-in. ball.
FS059
5. Remove the pressure valve assembly. Account for
the O-ring.
FS060
6. Using IFP Removal Tool (p/n 0644-348), remove
the floating piston.
FS061
7. Items to inspect:
A. Shock shaft for straightness, nicks, or burrs.
B. Shaft bearing end cap — clean, inspect, or
replace.
C. Inside of shock body for scratches, burrs, or
excessive wear.
D. Piston strap for cuts, chipped or nicked edges,
or excessive wear.
E. O-rings for nicks, cuts, or cracks.
F. Valves for kinks or waves.
G. Rubber damper (ski shocks only) for chipping,
cracking, or being missing.
8. Items to replace:
A. Bleed screw O-ring and floating piston O-ring.
B. Shock shaft bearing cap if any signs of oil leaks
or damage.
C. Any part worn or damaged.
„
NOTE: For shaft, shaft eyelets, or shaft bearing
cap replacement, see Shaft Eyelet or Bearing Cap
and Shaft Seal sub-section.