Emerson Bettis CBA*30-SR series - Page 15

Service Instructions
137463E Rev. D August 2015
11
Section 3: Actuator Reassembly
Actuator Reassembly
3.2.1 M3 JACKSCREW INSTALLATION:
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) onto 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 Lubricate ES or stop screw (6-30) and install into 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.