Emerson Bettis G2 Series - M18 Hydraulic Override Cylinder Installation

July 2020
Installation, Operation and Maintenance Manual
VA-DC-000-1803 Rev. 2
36
Section 5: Module Removal and Installation
Module Removal and Installation
!
WARNING
Use proper lifting equipment. Use suitable lifting equipment to support the cylinder assembly.
5.3.3 Remove hex cap screws (7 - 115), with lock washers (7 - 110), from inner end
cap (7 - 10).
5.3.4 Remove hex nuts (7 - 105) from hex cap screws (7 - 100).
5.3.5 Remove M18 Hydraulic Override Cylinder from actuator housing (1 - 10).
5.4 M18 Hydraulic Override Cylinder Installation
NOTE:
Review Section 3.1 General Reassembly before proceeding with M18 Hydraulic Override
Cylinder installation.
5.4.1 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 (7 - 10).
5.4.2 Using lifting equipment, move the power module up to housing (1 - 10) and install as
follows: Use step 5.4.3 for G01 and step 5.4.4 for G2 through G10 actuator models.
5.4.3 G01 MODEL ACTUATORS:
5.4.3.1 Align piston rod (7 - 40) with threads in the guide block (1 - 30).
5.4.3.2 Using a male square drive extension, go through outer end cap (7 - 80)
and screw piston rod (7 - 40) into guide block (1 - 30).
!
WARNING
Do not cross-thread piston rod. When screwing piston rod into guide block (1 - 30) make
certain that the piston rod and guide block threads do not cross-thread.
5.4.4 G2 THROUGH G10 MODEL ACTUATORS:
5.4.4.1 Align piston rod (7 - 40) with extension rod assembly (9 - 50).
5.4.4.2 Using a male square drive extension, go through outer end cap (7 - 80)
and screw piston rod (7 - 40) into extension rod assembly (9 - 50).
!
WARNING
Do not cross-thread piston rod. When screwing piston rod into extension rod assembly
(9 - 50) make certain that the piston rod and extension rod assembly threads
do not cross-thread.