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Service Instructions
133893 Rev. C
3�4
GTO Oil Cylinder Reassembly
NOTE:
Review section 3.1 General Reassembly before proceeding with Hydraulic Power Module
Installation.
Reassemble the GTO oil cylinder on a work bench per the following steps and then install
on the Drive Module per Section 4.
In section 3.4 where the step indicates to "lubricate, coat or apply fluid", use hydraulic fluid
for lubricating the part being installed.
3.4.1
NOTE:
For steps 3.4.2 through 3.4.7 refer to assembly drawing page 2 of 2 Detail "E".
3.4.2
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.4.8
3.4.9
CAUTION: INSTALL PISTON SEAL CORRECTLY
Install the piston seal with energizer ring facing outside edge of piston (7-30).
3.4.10 Push the piston through the cylinder (7-70) until the outboard piston seal groove
NOTE:
To move the piston (7-30) through the bore of cylinder (7-70) may require mechanical
assistance.
3.4.11 Coat one piston seal (8-60) with fluid and install into the exposed piston external
Actuator Reassembly
Lubricate piston rod assembly (7-40) with fluid.
Install o-ring seal (8-70) into the seal groove in piston rod assembly (7-40).
Install two split ring halves (7-50) into the inner most groove in piston rod
assembly (7-40) and retain with one retainer ring (7-60).
Install piston (7-30) onto piston rod assembly (7-40) and up against split rings
installed in step 3.4.3.
Install two split ring halves (7-50) into the outer most groove in piston rod
assembly (7-40) and retain with one retainer ring (7-60).
Apply fluid to the bore of cylinder (7-70).
Coat one piston bearing (8-45) with fluid and install into the piston external seal
groove.
Install piston (7-30), with piston rod assembly (7-40), into cylinder (7-70) leave the
inner most piston seal groove exposed out side of the cylinder.
Coat one piston seal (8-60) with fluid and install into the exposed piston external
seal groove.
is exposed.
seal groove.
Section 3: Actuator Reassembly
January 2013
16
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