Service Instructions
124843E Rev. C
August 2015
6
Section 2: Actuator Disassembly
Actuator Disassembly
Section 2: Actuator Disassembly
2�1
General Disassembly
WARNING: DANGEROUS GAS AND/OR LIQUIDS
It is possible, that the actuator may contain a dangerous gas and/or liquids. Ensure that
all proper measures have been taken to prevent exposure or release of these types of
contaminants before commencing any work.
2.1.1
Section 2 - Actuator Disassembly is written to either completely disassemble
the entire actuator or can be used to disassemble individual modules as needed
(pneumatic power module or drive module, M11 override module or hydraulic
override cylinder).
2.1.2
The pneumatic power module and the hydraulic override cylinder can be
disassembled while still attached to the drive module or they can be removed
from the drive module and disassembled separate to the actuator (refer to
Section 5 - Module Removal And Installation).
NOTE:
Use a means of capturing the hydraulic fluid that will be lost during the removal or disassembly
of the hydraulic override power module. Use a bucket, tub, and large container, etc.
2.1.3
To ensure correct reassembly; that is, with pneumatic power module or M11
hydraulic cylinder assembly on same end of drive module as was, mark or tag
right (or left) and mark mating surfaces.
2�2
Pneumatic Power Module Disassembly
NOTE:
Review Section 2 steps 2.1.1 through 2.1.3 General Disassembly before proceeding with
pneumatic power module disassembly.
WARNING: DISCONNECT OPERATING PRESSURE
If not already removed disconnect all operating pressure from actuator power cylinders.
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 lockwasher (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).
