Emerson Process Management bettis g13 User Manual

Page of 50
Bettis P/N 124840E
Revision “B”
Page 34 of 46
WARNING:
After initial thread engagement the tension rod must be rotated
clockwise the minimum number of turns listed in the following
table.
ACTUATOR
MODEL
TORQUE
UNITS
G01
G2
G3
G4
G5
G7
G8
G10
G13
MINIMUM
NO TURNS
N/A
6
10
10
10
13
14
20
25
31
WARNING:
When screwing tension rod into extension rod assembly (9-50) make certain
that the tension rod and extension rod assembly threads do not
cross-thread.
5.2.6
Torque tighten the spring cartridge tension rod as listed in the following table.
SPRING CARTRIDGE TENSION ROD TORQUE TABLE
HOUSING
TORQUE (±5 % Percent)
HOUSING
TORQUE (±5 % Percent)
MODEL
FT-Lb.
N-m
MODEL
FT-Lb.
N-m
G01
50
68
G7
240
325
G2
90
122
G8
240
325
G3
90
122
G10
240
325
G4
240
325
G13
240
325
G5
240
325
5.2.7
Install lock washers (5-30) onto hex cap screws (5-20).
5.2.8
Install hex cap screws (5-20) with lockwashers (5-30) through housing (1-10) and into
spring cartridge assembly (5-10) and tighten.
5.2.9
Install o-ring seal (6-10) into the o-ring groove in the outboard end of spring cartridge
assembly (5-10).
NOTE: G2-SRF and G3-SRF use step 5.2.10.  G01-SR, G2-SR, G3-SR through G13-SR skip step
5.2.10 and start at step 5.2.11.
5.2.10 Using pipe sealant on the threads install pipe plug (7-10) in the vacant hole in out board
end of spring cartridge assembly (5-10).  Skip steps 5.2.10 through 5.2.13 and start at step
5.2.14.
5.2.11 Install lockwashers (7-30) onto hex cap screws (7-20).
5.2.12 Install the cover plate (7-10) or install M3 adapter plate (7-10) onto the outboard end of
spring cartridge assembly (5-10).
5.2.13 Install and tighten hex cap screws (7-20) with lockwashers (7-30) through cover plate
(7-10) and into spring cartridge assembly (5-10). 
5.2.14 Torque tighten hex cap screws (7-20) until a final lubricated torque, as listed in the
following table, has been achieved.