Emerson Bettis CBB Series - Page 18

October 2015
Service Instructions
VA001-196-30 Rev. 1
15
Section 3: Actuator Reassembly
Actuator Reassembly
3�3�2�3 Apply a light coating of lubricant to the threads of M3 jackscrew (1-70).
3�3�2�4 Insert and rotate M3 jackscrew (1-70) into M3 adapter (1-90).
NOTE:
Rotate the M3 jackscrew into the adapter until the inboard end of the jackscrew is up
against the adapter.
M3 adapter (1-90) will be installed from the inside of housing (1-10).
3�3�2�5 Install M3 adapter (1-90) into housing (1-10).
3�3�2�6 Install retainer ring (2-40) into outboard groove located on the outer
diameter of M3 adapter (1-90).
3�3�2�7 Install O-ring seal (2-30) onto M3 jackscrew (1-70).
NOTE:
MovetheO-ringseal(2-30)downtheM3jackscrewuntilitisnexttotheM3adapter.
3�3�2�8 Installhexnut(1-80)andCSKwasher(2-35)ontoM3jackscrew(1-70).
NOTE:
RotatethehexnutdowntheM3jackscrewuntilitisnexttotheM3adapter.
3�3�3 Apply a coating of lubricant to the torque shaft holes located on each side of
housing (1-10).
3�3�4 Coat O-ring seals (2-20) with lubricant and install in the grooves located in the
torque shaft through holes located on each side of housing (1-10).
NOTE:
The cup of rod wiper seal will be installed facing down into the housing.
3�3�5 Coat yoke (1-20) with lubricant and install into housing (1-10). Apply a generous
amount of lubricant to the slots in the arms of yoke (1-20).
3�3�6 Insert the yoke key spring (1-50), with the ends pointing down, into the slot in the
torque shaft (1-30) and place the yoke key (1-40) on top of the spring with the
tapered side outward.
WARNING: FOLLOW YOKE KEY INSTALLATION STEPS
Iftheyokekey(1-40)isinstalledincorrectlythehousingmaybedamagedwhennext
disassembly occurs. Refer to assembly drawing for correct yoke key spring and yoke
key orientation.