October 2015
Service Instructions
VA001-196-30 Rev. 1
17
Section 3: Actuator Reassembly
Actuator Reassembly
3�3�21
Actuators equipped with cylinder adapter (4-15), models CBB520 and 725, do
steps as follows:
3�3�21�1
Install cylinder adapter (4-15) onto the flange of housing (1-10) and over
O-ring seal (5-10), with the stepped outer diameter, of cylinder adapter
(4-15), facing away from housing (1-10).
3�3�21�2
Install one o-seal (5-15) onto stepped diameter of cylinder adapter (4-15).
3�3�22
Apply a coating of lubricant to entire bore of cylinder (4-10).
3�3�23
Pneumatic cylinder installation:
3�3�23�1
For CBB520 and 725 models, install the lubricated cylinder (4-10) over
the piston and up-against the O-ring seal (5-15) on the stepped diameter
flange of cylinder adapter (4-15).
3�3�23�2
For CBB315, 420 and 525 models install the lubricated cylinder (4-10)
over the piston and up-against the O-ring seal (5-10) on the flange of
housing (1-10).
3�3�24
Coat O-ring seal (5-20) with lubricant and install into internal diameter seal groove
of the end cap (4-20).
3�3�25
M3 Jackscrew (4-30) End Cap Installation for CBB315/415-M3 Model Actuators
(includes M3HW models).
3�3�25�1
Apply a light coating of lubricant to the threads of M3 jackscrew (4-30).
NOTE:
The M3 jackscrew will be installed from the cylinder side of end cap (4-20).
3�3�25�2
Install and rotate M3 jackscrew (4-30) into end cap (4-20).
NOTE:
Rotate the M3 jackscrew into the end cap (4-20) until the inboard end of the M3 jackscrew
is up against the end cap (4-20).
3�3�25�3
Install seal (5-30) onto M3 jackscrew (1-70).
NOTE:
Move the O-ring seal (2-30) down the M3 jackscrew until it is next to the end cap (4-20).
3�3�25�4
Continue reassembly at step 3.3.27.
3�3�26
M3 Jackscrew End Cap (4-20) Installation for CBB420-M3 through CBB725-M3
Model Actuators (includes M3HW models).
3�3�26�1
Apply a coating of lubricant to outer diameter and inner diameter threads
of M3 adapter (4-55).
3�3�26�2
Coat O-ring seal (5-45) with lubricant and install into outer diameter seal
groove located in the M3 adapter (4-55).
3�3�26�3
Apply a light coating of lubricant to the threads of M3 jackscrew (4-30).
3�3�26�4
Install and rotate M3 jackscrew (4-30) into M3 adapter (4-55).
