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Service Instructions
124843E Rev. C
August 2015
22
Section 3: Actuator Reassembly
Actuator Reassembly
3.4.5.4 If the back-up rings are too long and the rings overlap beyond the
skive-cuts, then the rings must be trimmed with a razor sharp
instrument.
3.4.6
Coat one D-ring seal (4-60) with lubricant and install into the piston external seal groove.
NOTE:
The flat side of the D-ring seal goes down into the seal groove.
3.4.7 Install piston (3-30) onto piston rod (3-40).
NOTE:
The cast rib side of the piston is to be facing away from the outboard side of
inner end cap (3-10) or position piston (3-30) on the piston rod so that the re-
tainer grooves are on the out board side of the piston.
3.4.8 Refer to assembly drawing page 2 of 2 Detail "D". Install O-ring seal (4-70) into
the seal groove in the outboard end of piston rod (3-40).
3.4.9 Install two split ring halves (3-50) into the outer most groove in piston rod (3-40)
and retain by installing the recessed area of piston (3-30) over the two split halves
(3-50).
3.4.10 Install two split ring halves (3-50) into the piston rod, in back of the piston and
retain with retainer ring (3-60).
3.4.11 Coat two tie bars (3-20) with lubricant and install by carefully pushing tie bars
through piston (3-30) and rod T-seal (4-50).
3.4.12 Install two tie bar O-ring seals (4-80) onto the inboard end of tie bars (3-20) and
into the O-ring grooves provided.
3.4.13 Insert the tie bars through inner end cap (3-10) and screw hex nuts (3-90) onto
inboard end of the tie bars.
NOTE:
Screw the tie bars through the hex nuts (3-90) until one complete thread is
exposed.
3.4.14 Refer to assembly drawing page 2 of 2 Detail "E". Install two tie bar O-ring seals
(4-80) onto the outboard end of tie bars (3-20) and into the O-ring grooves
provided.
3.4.15 Apply lubricant to one O-ring seal (4-40) and install into the outer diameter
O-ring groove of outer end cap (3-80).
3.4.16 Apply lubricant to the bore of cylinder (3-70).
CAUTION: CAREFULLY INSTALL CYLINDER
If needed, when installing the cylinder, hammer on the end of the cylinder only with a
non-metallic object.