Emerson Bettis CBA*30-SR series - Actuator Testing

August 2015
Service Instructions
137463E Rev. D
12
Section 3: Actuator Reassembly
Actuator Reassembly
3.2.6 Coat rod wiper (2-60) with lubricant and install into the outer most groove located
in the lower torque shaft through hole of housing (1-10).
NOTE:
The cup of rod wiper will be installed facing to the outside of housing (1-10).
3.2.7 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).
3.2.8 Insert the yoke key (1-40) into the slot in the torque shaft (1-30).
3.2.9 Hold the yoke key (1-40) in position and insert the torque shaft (1-30) into and
through housing (1-10) and yoke (1-20).
3.2.10 Install thrust bearing (2-70) onto the upper area of torque shaft (1-30).
3.2.11 Install thrust washer (2-80) onto the upper area of torque shaft (1-30) on top of
thrust bearing (2-70).
NOTE:
A new retaining ring (2-90) is provided in the Bettis CBA Service Kit.
3.2.12 Install the new retaining ring (2-90) into the groove located on the upper area of
torque shaft (1-30).
CAUTION: VERIFY RETAINING RING
Verify that retaining ring (2-90) is properly seated in the groove of torque shaft (1-30).
3.2.13 Rotate the torque shaft (1-30) so that the arms of yoke (1-20) point outward.
3.2.14 Coat O-ring seal (5-20) with lubricant and install into inner diameter seal groove
located in the center bar hole of housing adapter (6-10).
3.2.15 Coat thrust washer (8-30) with lubricant and install onto center bar assembly (8-10).
NOTE:
Position thrust washer (8-30) up against the center bar assembly weld nut.
CAUTION: ENSURE THRUST WASHER LUBRICATION
Verify that the thrust washer (8-30) is well lubricated between the thrust washer (8-30) and
the center bar assembly weld nut (8-10).
3.2.16 Coat entire length of center bar assembly (8-10) with lubricant including the
threads.
3.2.17 Insert center bar assembly (8-10) into the center hole of housing adapter (6-10).
Slide center bar assembly through housing adapter until center bar assembly nut is
ush against the housing adapter (6-10).