October 2015
Service Instructions
124842E Rev. C
7
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
(hydraulic power module, -H hydraulic override module or drive module).
2�1�2
The hydraulic power module and the -H hydraulic override module 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 power module or -H hydraulic override module. Use a bucket,
tub, large container, etc.
2�1�3
To ensure correct reassembly; that is, with hydraulic power module or -H hydraulic
override module on same end of drive module as was, mark or tag right (or left)
and mark mating surfaces.
2�2
Hydraulic Power Module Disassembly
NOTE:
Review Section 2 steps 2.1.1 through 2.1.3 general disassembly before proceeding with
hydraulic power module disassembly.
WARNING: DISCONNECT OPERATING PRESSURE
If not already removed disconnect all hydraulic 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
Remove NPT pipe plug or optional SAE O-ring plug (3-120) from outer end cap
(3-80).
2�2�3
Remove hex nuts (3-90), with lockwashers (3-95), from tie bars (3-20).
