October 2015
Service Instructions
VA001-196-30 Rev. 1
8
Section 2: Actuator Disassembly
Actuator Disassembly
2�3
Housing Disassembly
NOTE:
Review Section 2 steps 2.1.1 through 2.1.2 before proceeding with housing disassembly.
2�3�1
Remove hex nut (1-80) as follows: CBB315 through 725 standard housing stop
screw or extended stop (ES) use step 2.3.1.1. CBB315-M3/M3HW through
CBB725-M3/ M3HW use step 2.3.1.2.
2�3�1�1
CBB315 through 725 housing stop screw or extended stop screw (ES)
2�3�1�1�1
Loosen and remove hex nut (1-80) and CSK washer (2-35) from
stop screw (1-70) located in housing (1-10).
2�3�1�1�2
Remove stop screw (1-70) from the end of housing (1-10).
2�3�1�2
CBB315/420/520/525/725-M3 or M3HW
2�3�1�2�1
Remove retainer ring (12-30) and groove pin (12-20) from
optional hex drive hub or from hand wheel (12-10).
2�3�1�2�2
Remove optional hex drive hub or hand wheel (12-10) from M3
jackscrew (1-70).
2�3�1�2�3
Loosen and remove hex nut (1-80) from M3 jackscrew (1-70).
NOTE:
CBB315, 420, 520, 525, 725-M3 or M3HW models the M3 cannot be removed now. The
M3 used in these models can be removed later in this procedure using steps 2.3.7 or 2.3.8.
Stop screw (1-70) does not require removal from the housing (1-10) unless replacing with a
new ES, stop screw or M3.
2�3�2
Remove both retaining rings (1-60) from torque shaft (1-30). Remove washers (1-
65) from housing.
2�3�3
The following steps may be required before disassembly can continue.
2�3�3�1
If torque shaft (1-30) has any raised burrs or sharp edges they should
be removed.
NOTE:
When removing burrs and sharp edges, remove as little metal as possible.
2�3�3�2
If there is excessive paint build-up on torque shaft (1-30) it should be
removed in order to remove the washers.
2�3�4
Remove the torque shaft (1-30) by pushing it out one side of housing (1-10).
2�3�5
Remove yoke key (1-40) and yoke key spring (1-50) from torque shaft (1-30).
2�3�6
Remove yoke (1-20) from housing (1-10).
2�3�7
Actuator models CBB315/415 with a M3 or M3HW mounted in the outboard end
of housing (1-10) remove M3 jackscrew (1-70) from housing (1-10).
