Emerson Bettis G Series - Page 41

Installation, Operation and Maintenance Manual
VA-DC-000-1878 Rev. 0 December 2020
37
Section 5: Module Removal and Installation
Module Removal and Installation
5.4.5.2 After conrming initial thread engagement, rotate tension rod into
extension rod assembly (9 - 50) per the following Table:
!
WARNING
Rotate tension rod properly. After initial thread engagement the tension rod must be
rotated clockwise the minimum number of turns listed in Table 8.
Table 8. Minimum Turns
Actuator Model Torque Units G01 G2 G3 G4 G5 G7 G8 G10
Minimum no turns N/A N/A 10 10 10 13 14 20 25
!
WARNING
Do not cross-thread. When screwing piston rod into extension rod assembly (9 - 50) make
certain that the tension rod and extension rod assembly threads do not cross-thread.
5.4.6 Torque tighten the spring cartridge tension rod as listed in the following Table:
Table 9. Spring Cartridge Tension Rod Torque
Housing
Model
Torque (±5%)
Housing
Model
Torque (±5%)
lb-ft Nm lb-ft Nm
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 lock washers (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 M18 Hydraulic Override Cylinder installation: For models G2 through G5, use step
5.4.11 and for G7 through G10, use step 5.4.12.
5.4.11 G2 through G5 M18 Override Cylinder installation.
5.4.11.1 Insert M18 Hydraulic Override Cylinder assembly into spring cartridge
outer end.
5.4.11.2 Install lock washers (7 - 90) on to eight hex cap screws (7 - 80).
5.4.11.3 Install eight hex cap screws (7 - 80) with lock washers (7 - 90) through
end cap (7 - 70) and into outer end of spring cartridge (5 - 10).