October 2015
Service Instructions
VA001-196-30 Rev. 1
7
Section 2: Actuator Disassembly
Actuator Disassembly
2�2�1�2 For CBB315/420/520/525/725-M3 or M3HW:
2�2�1�2�1 Remove retainer ring (12-30) and groove pin (12-20) from
optionalhexdrivehuborfromhandwheel(12-10).
2�2�1�2�2 Removeoptionalhexdrivehuborhandwheel(12-10)fromM3
jackscrew (1-70).
2�2�1�2�3 Loosenandremovehexnut(4-40)fromM3jackscrew(1-70).
NOTE:
CBB315/420/520/525/725-M3 or M3HW models the M3 jackscrew (1-70) cannot be
removed now. The M3 used in these models can be removed later in this procedure using
step 2.2.8.
ES (4-30), stop screw (4-30) or CBB315-M3 (1-70) does not require removal from end cap
(4-20) unless replacing with a new ES, stop screw or M3.
2�2�2 Removehousingsidehexnut(8-20)fromcenterbar(8-10).
2�2�3 Remove outer end cap (4-20) with center bar (8-10) from outboard end of
cylinder (4-10).
2�2�4 While holding housing torque shaft (1-30) pull cylinder (4-10) away from
housing (1-10).
2�2�5 Slide cylinder (4-10) over piston seal (5-40) and remove.
2�2�6 Remove piston (4-50) from housing (1-10).
NOTE:
Piston (4-50) is an assembly made up of one roll pin and one yoke pin; do not attempt to
disassemble the piston assembly.
2�2�7 OnactuatormodelsCBB415/520/725removecylinderadapter(4-15)fromange
of housing (1-10).
2�2�8 M3 Jackscrew Removal From End Cap (4-20).
2�2�8�1 CBB315/415 with a M3 remove M3 jackscrew (4-30) from the backside of
end cap (4-20).
2�2�8�2 CBB420/520/525/725 with a M3 jackscrew remove per following steps.
2�2�8�2�1 Remove retainer ring (5-60) from M3 adapter (4-55).
2�2�8�2�2 Remove M3 adapter (4-55) from end cap (4-20).
NOTE:
The M3 adapter will be removed from backside of end cap (4-20) with the M3 jackscrew.
ES (4-30), stop screw (4-30) or CBB315-M3 jackscrew (1-70) does not require removal from
end cap (4-20) unless replacing with a new ES, stop screw or M3.
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