Bettis CBAX30 Series

Bettis P/N 137462E
Revision "A”
Page 10 of 18
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 out side of housing (1-10).
3.2.7 Apply a generous amount of lubricant to the slots in the arms of yoke (1-20). Coat yoke
(1-20) with lubricant and install into housing (1-10).
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 that retaining ring (2-90) is properly seated in the groove of torque
shaft (1-30).
3.2.13 Install position indicator (1-50) onto the top of torque shaft (1-30).
3.2.14 Rotate the torque shaft (1-30) so that the arms of yoke (1-20) point outward.
3.2.15 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).
3.2.16 Install hex nut (8-20) onto one end of center bar (8-10).
3.2.17 Coat entire length of center bar assembly (8-10) with lubricant including the threads.
3.2.18 Insert center bar assembly (8-10) into the center hole of housing adapter (6-10). Slide
center bar assembly through housing adapter until hex nut (8-20) is flush against the
housing adapter (6-10).
WARNING: Care should be taken during installation of center bar assembly so as to
not scratch it or damage the housing adapter o-ring seal (5-20).
3.2.19 Re-coat center bar assembly (8-10) with lubricant.
3.2.20 Coat o-ring seal (7-10) with lubricant and install onto outer diameter flange located on
housing adapter end of housing (1-10). NOTE: The installation location for o-ring seal
(7-10) is defined in step 3.1.6 under Standard construction and Inverse construction
actuators.
3.2.21 Install housing adapter (6-10), with installed center bar assembly (8-10), onto the
cylinder adapter end of housing (1-10).