Hydraulic Power Module Removal - Emerson BETTIS G01 Series Disassembly And Reassembly

Service Instructions
127072E Rev. C
5�4�6
5�4�7
5�4�8
5�4�9
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
5�4�13 Torque tighten hex cap screws (7-100 and 7-80) alternately until a final lubricated
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
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

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.
Module Removal and Installation
Torque tighten the spring cartridge tension rod as listed in the following table.
Table 7� Spring Cartridge Tension Rod Torque Table
TORQUE (±5%)
Housing
Model
Lbf-ft�
G01 50
G2 90
G3 90
G4 240
Install lock washers (5-30) onto hex cap screws (5-20).
Install hex cap screws (5-20) with lockwashers (5-30) through housing (1-10) and
into spring cartridge assembly (5-10) and tighten.
Install O-ring seal (6-10) into the O-ring groove in the outboard end of spring
cartridge assembly (5-10).
(7-70) and into spring cartridge assembly (5-10).
torque, as listed in the following table, has been achieved.
Table 8� Spring Cartridge Tension Rod Torque Table
TORQUE (±5%)
Housing
Model
Lbf-ft�
G01 16
G2 16
G3 16
G4 40
of housing (1-10).
WARNING: CONFIRM EXTENDED SPRING POSITION
Section 5: Module Removal and Installation
Housing
Model
N-m
68 G5
122 G7
122 G8
325 G10
Housing
Model
N-m
21.68 G5
21.68 G7
21.68 G8
54.2 G10
October 2015
TORQUE (±5%)
Lbf-ft� N-m
240 325
240 325
240 325
240 325
TORQUE (±5%)
Lbf-ft� N-m
40 54.2
80 108.4
130 176.15
190 257.45
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