October 2015
Service Instructions
127072E Rev. C
26
Section 5: Module Removal and Installation
Module Removal and Installation
NOTE:
The setting of stop screws (1-180) should be checked and setting recorded before stop
screws are loosened or removed.
5�4�1
On stop screw (1-180), that is located on the same side of the housing as spring
cartridge (5-10), loosen stop screw nut (1-190).
5�4�2
Unscrew or back out stop screw (1-180) to achieve overtravel as illustrated in detail
“A” on warning tag attached to spring module cover plate or to Bettis drawing part
number 123650.
5�4�3
Install O-ring seal (6-20) into the O-ring groove in the inboard end of spring
cartridge assembly (5-10).
5�4�4
Using lifting equipment move spring module up to housing (1-10) and align spring
cartridge tension rod with extension rod assembly (9-50).
WARNING: COMPLETE STEP 5.4.5
Complete step 5.4.5 to avoid severe injury to personnel or incur major damage to the actuator.
5�4�5
Spring cartridge tension rod to rod extension installation as follows:
5�4�5�1
Using a male square drive extension, go through the open end of
spring module (5-10) and rotate the tension rod nut until initial thread
engagement is achieved.
NOTE:
Confirm initial thread engagement of rod extension (9-50) to tension rod.
5�4�5�2
After confirming initial thread engagement rotate tension rod into
extension rod assembly (9-50) per the following table.
WARNING: OBSERVE MINIMUM NUMBER OF TURNS
After initial thread engagement the tension rod must be rotated clockwise, the minimum
number of turns listed in the following table.
Table 6�
Rod Rotation
ACTUATOR
MODEL
Torque
Units
G01
G2
G3
G4
G5
G7
G8
G10
MINIMUM
NO� TURNS
N/A
6
10
10
10
13
14
20
25
WARNING: DO NOT CROSS-THREAD TENSION RODS
When screwing tension rod into extension rod assembly (9-50) ensure that the tension rod
and extension rod assembly threads do not cross-thread.
