Installation, Operation and Maintenance Manual
VA-DC-000-1878 Rev. 0
December 2020
33
Section 5: Module Removal and Installation
Module Removal and Installation
NOTE:
To identify hex cap screws (7 - 100) from hex cap screws (7 - 80), hex cap screws (7 - 100)
will be located to the left and right of SR cartridge top dead center and will then be counted
as every other hex cap screw. To verify correct hex cap screws, check the following Table for
screw length.
Table 6.
Hex Cap Screw Length
Actuator Model
Item 7 - 80 Length
Item 7 - 100 Length
in.
mm
in.
mm
G7
2
50.8
2.75
69.85
G8
3
76.2
4.5
114.3
G10
3.5
88.9
5.0
127
1.1.1.1
Remove override cylinder assembly from spring cartridge assembly (5 - 10).
5.2
M18 Override Cylinder Installation
5.2.1
Install O-ring seal (6 - 10) into the O-ring groove in the outboard end of spring
cartridge assembly (5 - 10).
5.2.2
M18 Hydraulic Override Cylinder installation: For models G01 through G5, use step
5.2.3 and for G7 through G10, use step 5.2.4.
5.2.3
G01 through G5 M18 Override Cylinder installation.
5.2.3.1
Insert M18 Hydraulic Override Cylinder assembly through spring
cartridge outer end.
5.2.3.2
Install lock washers (7 - 90) on to hex cap screws (7 - 80).
5.2.3.3
Install hex cap screws (7 - 80) with lock washers (7 - 90) through hydraulic
override end cap (7 - 70) and into outer end of spring cartridge (5 - 10).
5.2.4
G7 through G10 M18 Override Cylinder installation.
5.2.4.1
Insert M18 Hydraulic Override Cylinder assembly into spring cartridge
outer end.
5.2.4.2
Install lock washers (7 - 90) on to eight hex cap screws (7 - 100).
5.2.4.3
Install hex cap screws (7 - 100) with lock washers (7 - 90) through hydraulic
override end cap (7 - 70) and into outer end of spring cartridge (5 - 10).
5.2.5
Torque tighten hex cap screws (7 - 100) and (7 - 80), alternately until a final
lubricated torque, as listed in the following Table, has been achieved.
Table 7.
M18 Override Cylinder End Cap to SR Cartridge Screw Torque
Housing
Model
Torque (±5%)
Housing
Model
Torque (±5%)
lb-ft
Nm
lb-ft
Nm
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