Installation, Operation and Maintenance Manual
VA-DC-000-1803 Rev. 2
July 2020
27
Section 3: Actuator Reassembly
Actuator Reassembly
3.4.20 Install lock washers (3 - 140) onto socket cap screws (3 - 130).
3.4.21 Install and tighten socket cap screws (3 - 130), with lock washers (3 - 140), into
outer end cap (3 - 80).
3.4.22 Install pneumatic power module per Section 5, steps 5.2.
3.5 M18 Hydraulic Override Cylinder Reassembly
NOTE:
Review Section 3.1 General Reassembly before proceeding with the M18 Hydraulic
Override Cylinder Reassembly. Refer to dwg. VA115680 for details.
NOTE:
In Section 3.5 where the step indicates to "lubricate, coat or apply uid", use hydraulic uid,
as identied in Section 1, step 1.6.2, for lubricating the part being installed.
3.5.1 Lubricate piston rod (7 - 40) with uid.
3.5.2 Install O-ring seal (8 - 70) into the seal groove in piston rod (7 - 40).
3.5.3 Install two split ring halves (7 - 50) into the inner most groove in piston rod (7 - 40)
and retain with one retainer ring (7 - 60).
3.5.4 Install piston (7 - 30) onto piston rod (7 - 40) and up against split rings install in
step 3.5.3.
3.5.5 Install two split ring halves (7 - 50) into the outer most groove in piston rod (7 - 40)
and retain with one retainer ring (7 - 60).
3.5.6 Apply uid to the bore of cylinder (7 - 70).
3.5.7 Coat one piston bearing (8 - 45) with uid and install into the piston external
seal groove.
3.5.8 Install piston (7 - 30), with piston rod (7 - 40), into cylinder (7 - 70) leave the inner
most piston seal groove outside of the cylinder.
3.5.9 Coat one piston seal (8 - 60) with uid and install into the piston external seal groove.
!
CAUTION
Install piston seal correctly. Install the piston seal with energizer ring facing outside edge of
piston (7 - 30).
3.5.10 Push the piston through the cylinder (7 - 70) until the outboard piston seal groove
is exposed.
To Next Page
Loading...
Need help?
General
