Bettis P/N 137462E
Revision "A”
Page 9 of 18
NOTE: Actuators equipped with a housing adapter M3 jackscrew (6-30) install M3 per 3.2.1.
Actuators equipped with housing adapter ES or stop screw (6-30) skip step 3.2.1 and
continue assembly at step 3.2.2.
3.2.1 M3 jackscrew installation to housing adapter (6-10).
3.2.1.1 Apply a coating of lubricant to outer diameter and inner diameter threads of M3
jackscrew adapter (6-55).
3.2.1.2 Coat o-ring seal (7-65) with lubricant and install into outer diameter seal groove
located in the M3 jackscrew adapter (6-55).
3.2.1.3 Apply a light coating of lubricant to the threads of M3 jackscrew (6-30).
3.2.1.4 Install and rotate the M3 jackscrew (6-30) into M3 jackscrew adapter (6-55).
NOTE: Rotate the M3 jackscrew into the adapter until the inboard end of the
jackscrew is up against the adapter.
3.2.1.5
Install M3 jackscrew adapter (6-55) with M3 jackscrew (6-30) into housing
adapter (6-10).
3.2.1.6 Install retainer ring (7-60) into exposed outer diameter groove in M3 jackscrew
adapter (6-55).
3.2.1.7 Install o-ring seal (7-30) onto M3 jackscrew (6-30). NOTE: Move the o-ring seal
(7-30) down the M3 jackscrew until it is next to the M3 jackscrew adapter.
3.2.1.8
Install hex nut (6-40) onto M3 jackscrew (6-30). NOTE: Rotate the hex nut
down the M3 jackscrew until it is next to the M3 jackscrew adapter.
3.2.2 Housing Adapter (6-10) ES or stop screw (6-30) installation.
3.2.2.1 Lubricate ES or stop screw (6-30) and install into housing adapter (6-10).
3.2.2.2 Install o-ring seal (7-30) onto ES or stop screw (6-30). NOTE: Move the o-ring
seal (7-30) down the ES or stop screw until it is next to the housing adapter
(6-10).
3.2.2.3 Install washer (6-90) onto ES or stop screw (6-30). NOTE: Push the washer
down the ES or stop screw until it is next to the housing adapter (6-10).
3.2.2.4 Install hex nut (6-40) onto ES or stop screw (6-30). NOTE: Rotate the hex nut
down the ES or stop screw until it is next to the housing adapter (6-10).
3.2.3 Apply a coating of lubricant to the torque shaft holes located on each side of housing
(1-10).
3.2.4 Coat rod wiper seal (2-20) with lubricant and install in the grooves located in the upper
torque shaft “through hole” of housing (1-10). NOTE: The cup of wiper seal will be
installed facing down into the housing.
3.2.5
Coat u-cup seal (2-40) with lubricant and install into the groove located in the lower
torque shaft “through hole” of housing (1-10) - the inner most groove nearest the yoke
(1-20). NOTE: The cup of rod wiper seal will be installed facing into the housing.
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