Bettis P/N 127073E
Revision “A”
Page 24 of 37
5.1.6.1 Unscrew and remove hex cap screws (7-100) with lockwashers (7-90) from
override cylinder end cap (7-70). 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.
ITEM 7-80 LENGTH
ITEM 7-100 LENGTH
ACTUATOR MODEL
Inches
mm
Inches
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
5.1.6.2 Remove override cylinder assembly from spring cartridge assembly (5-10).
5.2
M11 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
M11 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 M11 override cylinder installation.
5.2.3.1 Insert M11 hydraulic override cylinder assembly through spring cartridge outer
end.
5.2.3.2 Install lockwashers (7-90) on to hex cap screws (7-80).
5.2.3.3 Install hex cap screws (7-80) with lockwashers (7-90) through hydraulic override
end cap (7-70) and into outer end of spring cartridge (5-10).
5.2.4
G7 through G10 M11 override cylinder installation.
5.2.4.1 Insert M11 hydraulic override cylinder assembly into spring cartridge outer end.
5.2.4.2 Install lockwashers (7-90) on to eight hex cap screws (7-100).
5.2.4.3 Install hex cap screws (7-100) with lockwashers (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.