8.35
Steering and Suspension Systems
8
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
RYDE FX MONO-TUBE SHOCK
DISASSEMBLY
Procedures for the proper disassembly and assembly of
Ryde FX gas charged IFP and emulsion mono-tube shock
absorbers.
1.
Remove the shock(s) from the vehicle.
2.
Before unscrewing pre-load springs, measure the
compressed length of the installed spring and mark
position for reinstallation.
3.
If the shock incorporates a spring, remove the spring
and all collateral retainers.
4.
Wash the shock body in parts cleaner; then dry with
compressed air to remove sand and dirt.
5.
Remove bearing, sleeve and/or bushings from lower
shock mount eyelet. Secure the lower mount of the
shock in a vise. The use of soft jaws is recommend to
prevent damage or marks to the shock.
6.
Remove the small button head screw from the
pressure valve assembly.
7.
Depressurize the shock.
8.
Internal Floating Piston Shocks, using a slotted
screwdriver, loosen the pressure valve assembly
counter-clockwise two full revolutions allowing the
gas pressure to fully escape past the pressure valve
assembly O-ring.
9.
Emulsion Shocks: With the shock inverted and the
piston rod fully extended, secure the lower mount of
the shock in a vise. Allow a couple of minutes for the
gas pressure to separate from the oil and rise to the
top. Using a rag as a shield to prevent spraying gas
and oil; place rag over top the pressure valve
assembly and slowly loosen the valve assembly with
slotted screw driver three full revolutions, allowing all
the gas pressure to escape past the pressure valve
assembly O-ring.
10. Allow all the gas pressure to escape before
proceeding with the removal of the pressure valve
assembly. Pressurized gas and shock oil could eject
the valve assembly from the cylinder resulting in
bodily injury.
11. Using a slotted screwdriver, remove the pressure
valve assembly from the lower end mount. Account for
an O-ring.
12. Using an adjustable face spanner (PN PS45262), fully
loosen and remove cylinder head assembly.
13. Pour the oil out of the shock body. Discard old oil into
an approved storage container and dispose
appropriately. Never reuse damper oil during shock
rebuild.
14. Using the I.F.P extraction tool thread the tool into the
I.F.P and pull upwards, removing the I.F.P from the
shock body. Account for wear band and an O-ring.
Note: Not applicable for emulsion shock
15. Clean the inside of the shock body using clean parts-
cleaning solvent and blow dry using compressed air.
16. Place the shock piston rod upper mount in bench vise,
begin piston and valve removal. Arrange parts
removed in the sequence of disassembly. The piston
should have the flat slots facing the nut end (as
highlighted in black).
17. Items to inspect: Piston rod for straightness, nicks or
burrs. Cylinder Head Assembly / DU Bearing clean,
inspect, or replace. Inside of shock body for
scratches, burrs or excessive wear. Teflon piston and
I.F.P wear band for cuts, chipped or nicked edges, or
CAUTION
B
EFORE
SERVICING
A
GAS
SHOCK
IT
IS
IMPORTANT
THAT
ALL
THE
GAS
PRESSURE
BE
DISCHARGED
FROM
THE
UNIT
.
R
EFER
TO
THE
INSTRUCTIONS
LISTED
BELOW
FOR
THE
PROPER
PROCEDURE
OF
DISCHARGING
THE
GAS
PRES
-
SURE
FROM
A
SHOCK
. P
ROTECTIVE
EYE
WEAR
SHOULD
BE
WORN
TO
AVOID
RISK
OF
INJURY
WHILE
SERVICING
R
Y
-
DE
FX
GAS
CHARGED
MONO
-
TUBE
SHOCKS
.
CAUTION
W
HEN
REMOVING
THE
SPRING
FROM
A
SHOCK
THAT
UTILIZ
-
ES
A
FIXED
LOWER
RETAINER
;
THE
USE
OF
A
PROPER
SPRING
COMPRESSOR
SHOULD
BE
USED
TO
AVOID
RISK
OF
BODILY
INJURY
.
WARNING
W
HEN
USING
COMPRESSED
AIR
TO
DRY
COMPONENTS
,
PROTECTIVE
EYE
WEAR
SHOULD
BE
WORN
TO
AVOID
RISK
OF
INJURY
.
CAUTION
I
T
IS
IMPORTANT
THAT
THE
GAS
SHOCK
BE
RETAINED
IN
THE
VISE
BY
THE
LOWER
MOUNT
. A
NY
OTHER
METHOD
OF
SECURING
THE
CHOCK
BODY
DURING
THESE
PRO
-
CEDURES
MAY
DEFORM
THE
SHOCK
BODY
CYLINDER
.
WARNING
N
ITROGEN
GAS
IS
UNDER
EXTREME
PRESSURE
.
USE
CAUTION
WHEN
RELEASING
NITROGEN
GAS
FROM
SHOCK
. P
ROTECTIVE
EYE
WEAR
SHOULD
BE
WORN
TO
AVOID
RISK
OF
INJURY
.
