Emerson Bettis CBB Series - Actuator Reassembly Per CBB Models Listed in Step 3.1.5.2

October 2015
Service Instructions
VA001-196-30 Rev. 1
14
Section 3: Actuator Reassembly
Actuator Reassembly
3�3 Actuator Reassembly per CBB Models Listed in
Step 3�1�5�2
NOTE:
The following steps are used to reassemble the models: CBB315-M3, CBB420-M3,
CBB520-M3, CBB525-M3 and CBB725-M3 (also included M3 jackscrew with hand wheel
i.e. M3HW). Use assembly drawing part number VA001-05-73 for this section.
In section 3.3 where the step indicates to “lubricate, coat or apply lubricant”, use lubricant
asidentiedinSection1step1.6forlubricatingthepartbeinginstalled.
3�3�1 M3 Jackscrew (1-70) Housing Installation for CBB315/415-M3 AND
CBB315/415-M3HW Model Actuators.
3�3�1�1 Apply a light coating of lubricant to the threads of M3 jackscrew (1-70).
NOTE:
M3 jackscrew (1-70) will be installed from the inside of housing (1-10).
3�3�1�2 Insert and rotate M3 jackscrew (1-70) into housing (1-10).
NOTE:
Rotate the M3 jackscrew into the housing until the inboard end of the M3 jackscrew is up
against the inside of housing (1-10).
3�3�1�3 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housing(1-10).
3�3�1�4 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housing(1-10).
3�3�1�5 Continue reassembly at step 3.3.3.
3�3�2 M3 Jackscrew Housing Installation for CBB420-M3 through CBB725-M3 Model
Actuators (includes M3HW models).
3�3�2�1 Apply a coating of lubricant to outer diameter and inner diameter threads
of M3 adapter (1-90).
3�3�2�2 Coat O-ring seal (2-45) with lubricant and install into outer diameter seal
groove located in the M3 adapter (1-90).