July 2020
Installation, Operation and Maintenance Manual
VA-DC-000-1803 Rev. 2
8
Section 2: Actuator Disassembly
Actuator Disassembly
2.2.1
Mark and record location of the ports on outer end cap (3 - 80) and inner
end cap (3 - 10).
2.2.2
Refer to assembly drawing sheet 1 Detail "E". Remove two socket cap screws
(3 - 130), with lock washer (3 - 140), from outer end cap (3 - 80).
2.2.3
Remove two tie bar hex nuts (3 - 90) from outboard side of outer end cap (3 - 80).
!
CAUTION
Do not damage O-ring groove when removing end cap.
2.2.4
The fit between cylinder (3 - 70) and outer end cap (3 - 80) is very tight. Break end
cap free by tapping with a pry bar on lip provided on the end cap. Remove outer
end cap (3 - 80) from cylinder (3 - 70).
NOTE:
When removing cylinder (3 - 70) of piston (3 - 30), tilt the cylinder 15 to 30 degrees with
respect to actuator centerline.
2.2.5
Remove cylinder (3 - 70) from inner end cap (3 - 10).
!
CAUTION
Do not use pipe wrench to remove tie bars.
2.2.6 TIE BAR REMOVAL:
NOTE:
G01, G2, G3 and G4 models have flats on outboard end of tie bars (3 - 20) for
wrench placement.
NOTE:
G5 through G10 models have a female square on the outboard end of tie bars (3 - 20) for
wrench placement.
2.2.6.1
Remove G01 through G10 tie bars (3 - 20) as follows: Unscrew and
remove tie bars (3 - 20) from inner end cap (3-10) and piston (3 - 30).
2.2.7
Remove piston as follows: (On early G2 and G3 models equipped with outboard
and inboard tie bar nuts skip this step and go to step 2.2.9).
2.2.7.1
Refer to assembly drawing page 2 of 2 Detail "D". Remove two split
ring halves (3 - 50) and one retainer ring (3 - 60) from outboard side
of piston (3 - 30).
