Emerson Bettis G2 Series Disassembly And Reassembly

October 2015
Service Instructions
127072E Rev. C
27
Section 5: Module Removal and Installation
Module Removal and Installation
5�4�6 Torque tighten the spring cartridge tension rod as listed in the following table.
Table 7� Spring Cartridge Tension Rod Torque Table
Housing
Model
TORQUE (±5%)
Housing
Model
TORQUE (±5%)
Lbf-ft� N-m Lbf-ft� N-m
G01 50 68 G5 240 325
G2 90 122 G7 240 325
G3 90 122 G8 240 325
G4 240 325 G10 240 325
5�4�7 Install lock washers (5-30) onto hex cap screws (5-20).
5�4�8 Install hex cap screws (5-20) with lockwashers (5-30) through housing (1-10) and
into spring cartridge assembly (5-10) and tighten.
5�4�9 Install O-ring seal (6-10) into the O-ring groove in the outboard end of spring
cartridge assembly (5-10).
5�4�10 Install lockwashers (7-30) onto hex cap screws (7-20).
5�4�11 Install end cap (7-70) onto the outboard end of spring cartridge assembly (5-10).
5�4�12 Install and tighten hex cap screws (7-80) with lockwashers (7-90) through end cap
(7-70) and into spring cartridge assembly (5-10).
5�4�13 Torque tighten hex cap screws (7-100 and 7-80) alternately until a nal lubricated
torque, as listed in the following table, has been achieved.
Table 8� Spring Cartridge Tension Rod Torque Table
Housing
Model
TORQUE (±5%)
Housing
Model
TORQUE (±5%)
Lbf-ft� N-m Lbf-ft� N-m
G01 16 21.68 G5 40 54.2
G2 16 21.68 G7 80 108.4
G3 16 21.68 G8 130 176.15
G4 40 54.2 G10 190 257.45
5�4�14 If removed install stop screw nuts (1-190) onto stop screws (1-180).
5�4�15 If removed install O-ring (2-90) onto stop screws (1-180).
5�4�16 If removed install two stop screws (1-180) into two stop screw holes on the front
of housing (1-10).
5�4�17 Adjust both stop screws (1-180) back to settings recorded earlier in Section 5.
5�4�18 Tighten both stop screw nuts (1-190) securely.
5�5 Hydraulic Power Module Removal
WARNING: CONFIRM EXTENDED SPRING POSITION
The spring cartridge must be checked to verify that the spring(s) are in their extended
position before the power module is removed from the actuator.

Emerson Bettis G2 Series Specifications

General

Brand	Emerson
Model	Bettis G2 Series
Category	Controller
Language	English