Installation, Operation and Maintenance Manual
VA-DC-000-1803 Rev. 2
July 2020
37
Section 5: Module Removal and Installation
Module Removal and Installation
5.4.5
Torque tighten piston rod (7 - 40) per Table 3.
5.4.6
Install lock washers (7 - 110) onto hex cap screws (7 - 115).
5.4.7
Install and tighten hex cap screws (7 - 115), with lock washers, through housing
(1 - 10) and into inner end cap (7 - 10).
5.4.8
Refer to assembly drawing sheet 2 Detail "F". Install lock washers (7 - 110) onto hex
cap screws (7 - 100).
5.4.9
Install hex cap screws (7 - 100), with lock washers (7 - 110), through inner end cap
(7 - 10) and housing (1 - 10).
5.4.10
Install and tighten hex nuts (7 - 105) onto hex cap screws (7 - 100).
5.4.11
Using pipe dope, install standard NPT pipe plug (7 - 120) into outer end cap
(7 - 80). If the actuator uses SAE threads install SAE O-ring plug (7 - 120) into outer
end cap (7 - 80).
5.5
Power Swivel Module Removal
NOTE:
Refer to assembly drawing sheet 2 Detail "B". X- can be 1- or 9- items as required.
5.5.1
Push the guide block to the side of housing (1 - 10) that will expose the extension rod
assembly.
NOTE:
The guide block can be moved by inserting a long nonmetallic rod through the hole where
the blind end cap was removed and pushing on the guide block.
5.5.2
Use Bettis tool part number as listed in chart in Section 1, step 1.2.1 to remove
retainer nut assembly (X - 60) from the guide block (1 - 30).
!
CAUTION
Do not drop spherical washers. When removing rod extension assembly from guide block
be careful not to drop one of the spherical washers inside the housing.
5.5.3
Remove rod extension assembly (X - 50) from guide block (1 - 30).
NOTE:
One spherical washer (X - 40) will be removed from guide block (1 - 30) when extension rod
assembly is removed.
5.5.4
Remove the remaining spherical washer (X - 40) from guide block (1 - 30).