Emerson Bettis G Series - 5.6 Pneumatic Power Module Installation

Installation, Operation and Maintenance Manual
VA-DC-000-1878 Rev. 0 December 2020
39
Section 5: Module Removal and Installation
Module Removal and Installation
NOTE:
When removing power module from housing (1 - 10) be careful not to lose O-ring seal (4 - 90).
5.5.4 Remove power module from actuator housing (1-10).
5.6 Pneumatic Power Module Installation
NOTE:
Reinstall the power module onto the opposite side of housing (1 - 10) as it was
previously located.
5.6.1 Check to verify that O-ring seal (4 - 90) is properly seated in its seal groove located
on the housing side of inner end cap (3 - 10).
NOTE:
G2 and G3 models conrm that the two inboard hex nuts (3 - 90) ats are aligned to t into
the slot located in the end of housing (1 - 10).
5.6.2 Using lifting equipment move the power module up to housing (1 - 10) and align
piston rod (3 - 40) with extension rod assembly (1 - 50).
5.6.3 Using a male square drive extension, go through outer end cap (3 - 80) and screw
piston rod (3 - 40) into extension rod assembly (1 - 50).
!
CAUTION
Do not cross-thread piston rods. When screwing piston rod into extension
rod assembly (1 - 50) make certain that the piston rod and extension rod assembly
threads do not cross-thread.
5.6.4 Torque tighten piston rod (3 - 40) as follows:
5.6.4.1 G2 and G3 torque to 90 lb-ft lubricated.
5.6.4.2 G4 and G10 torque to 240 lb-ft lubricated.
5.6.5 Install lock washers (3 - 110) onto hex cap screws (3 - 100).
5.6.6 Install and tighten hex cap screws (3 - 100) with lock washers (3 - 110) through
housing (1 - 10) and screw into inner end cap (3 - 10).
5.6.7 Using pipe dope, install pipe plug (3 - 120) into outer end cap (3 - 80).