Bettis P/N 137462E
Revision
"A”
Page 6 of 18
2.2.1.2 CBA730 through CBA1030-M3 or -M3HW
2.2.1.2.1
Remove retainer ring (12-30) and groove pin (12-20) from
optional hex drive hub or from handwheel (12-10).
2.2.1.2.2
Remove optional hex drive hub or handwheel (12-10) from M3
jackscrew (4-30).
2.2.1.2.3
Remove caution tag (12-40) from M3 jackscrew (4-30).
2.2.1.2.4
Loosen and remove hex nut (4-40) from M3 jackscrew (4-30).
NOTE: CBA730 through CBA1030-M3 or M3HW models the M3 jackscrew (4-30) can
not be removed now. The M3 used in these models can be removed later in
this procedure using step 2.2.7.
2.2.2
Remove hex nut (8-20) from the end cap end of center bar (8-10).
2.2.3
Remove outer end cap (4-20) from outboard end of cylinder (4-10).
NOTE: ES (4-30) or stop screw (4-30) does not require removal from end cap (4-20) unless
replacing with a new ES or stop screw.
2.2.4
Slide cylinder (4-10) over piston (4-50) and remove.
2.2.5
Remove piston (4-50) from center bar (8-10).
NOTE: The standard non M3 piston (4-50) is an assembly made up of one roll pin and one yoke
pin; do not attempt to disassemble the piston assembly. The M3 piston (4-50) has two
targets and four drive screws in addition to the roll pin and yoke pin.
2.2.6
On actuator models CBA830, CBA930 and CBA1030 remove cylinder adapter (4-15)
from flange of housing (1-10). Model CBA730 is not equipped with a cylinder adapter
(4-15).
2.2.7
M3 JACKSCREW REMOVAL FROM END CAP (4-20).
2.2.7.1 Remove retainer ring (5-60) from M3 adapter (4-55).
2.2.7.2 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 M3 jackscrew (4-30).
2.3 HOUSING
DISASSEMBLY
NOTE: Review Section 2 steps 2.1.1 through 2.1.3 before proceeding with housing
disassembly.
2.3.1
Remove hex nut (6-40) as follows: CBA730 through CBA1030 standard housing adapter
stop screw or extended stop (ES) use step 2.3.1.1. CBA730-M3/M3HW through
CBA1030-M3/M3HW use step 2.3.1.2.