Bettis P/N 127073E
Revision “A”
Page 25 of 37
M11 OVERRIDE CYLINDER END CAP TO SR CARTRIDGE SCREW TORQUE
TABLE
TORQUE ±5 % Percent
TORQUE ±5 % Percent
HOUSING
MODEL
Ft-lb
N-m
HOUSING
MODEL
Ft-lb
N-m
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
5.2.6
Using pipe dope on threads re-install all piping between hydraulic override cylinder
assembly and the M11 pump.
5.2.7
FLUID FILLING INSTRUCTIONS FOR M11 & M11-S HYDRAULIC OVERRIDE SYSTEMS:
5.2.7.1 To fluid fill M11 Manual Hydraulic Override System refer to instructions part number
126858.
5.2.7.2 To fluid fill M11-S Manual Hydraulic Override System refer to instructions part
number 121960.
5.3
SPRING MODULE REMOVAL
WARNING:
The spring cartridge must be checked to verify that the spring(s) are in their
extended position before the spring cartridge is removed from the actuator.
NOTES:
1.
When the Spring Module is to be removed it should be removed from the
drive Module prior to the Pneumatic Power Module removal or
disassembly.
2.
Review Section 2.1 General Disassembly before proceeding with Spring
Module Disassembly.
3.
The setting of stop screws (1-180) should be checked and setting
recorded before stop screws are loosened or removed.
5.3.1
Shut off and exhaust the operating media from both sides of the actuator’s power
cylinder.
5.3.2
The M11 override cylinder must be removed prior to spring module removal: Proceed to
section 5.1 and complete all steps 5.1.1 through 5.1.6 and then continue with step 5.3.3
5.3.3
Apply pneumatic pressure to inner end cap (2-40) port “A” to compress the spring enough
to move the yoke off the stop screw on the spring module side of the drive module.
5.3.4
Loosen the stop screw nut (1-190) located on the stop screw that is closest to or next to
Spring Module.
5.3.5
Unscrew stop screw (1-180) that is closest to or next to Spring Module (unscrew or back
out until the load is removed from the stop screw).
5.3.6
Remove pneumatic pressure from pressure inlet port of inner end cap (3-10).
