Bettis P/N 127073E
Revision “A”
Page 5 of 37
SECTION 2 - ACTUATOR DISASSEMBLY
2.1
GENERAL DISASSEMBLY
WARNING:
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).
WARNING:
DO NOT REMOVE SPRING MODULE WHILE SPRING IS COMPRESSED
2.1.2
When the Spring Module is to be removed it should be removed from the Drive Module
prior to the Pneumatic Power Module removal or disassembly.
2.1.3
The Pneumatic Power Module can be disassembled while still attached to the Drive
Module or the Pneumatic Power Module can be removed from the Drive Module and
disassembled separate to the actuator (refer to Section 5 - Module Removal And
Installation).
2.1.4
To ensure correct re-assembly; that is, with Pneumatic Power Module or Spring Module
on same end of Drive Module as was, mark or tag right (or left) and mark mating
surfaces.
2.1.5
For Spring Module removal and installation refer to Section 5 steps 5.3 and 5.4.
NOTE: Use a means of capturing the hydraulic fluid that will be lost during the removal or
disassembly of the override power module. Use a bucket, tub, and large container, ECT.
2.2
PNEUMATIC POWER MODULE DISASSEMBLY
NOTE: Review Section 2 steps 2.1.1 through 2.1.5 General Disassembly before proceeding with
Pneumatic Power Module Disassembly.
WARNING:
If not already removed disconnect all operating pressure from actuator
power cylinders.
WARNING:
The Spring Cartridge must be checked to verify that the spring(s) are in
their extended position before the Pneumatic Power Module is
disassembled from the Drive Module (refer to Section 5.3 steps 5.3.7
through 5.3.9).
2.2.1
Mark and record location of the ports on outer end cap (3-80) and inner end cap (3-10).