Housing Disassembly - Emerson CBA730 Disassembly And Reassembly

Service Instructions
137462E Rev. D
2.2.6
2.2.7
2�3

Housing Disassembly

NOTE:
Review Section 2 steps 2.1.1 through 2.1.3 before proceeding with housing disassembly.
2.3.1
Actuator Disassembly
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).
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 the
M3 jackscrew (4-30).
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.
2.3.1.1 CBA730 through CBA1030 housing adapter stop screw or extended stop
screw (ES)
2.3.1.1.1 Loosen and remove hex nut (6-40) and washer (6-90) from stop
screw (6-30) located in housing adapter (6-10).
2.3.1.1.2 Remove stop screw (6-30) from housing adapter (6-10).
NOTE:
ES (6-30) or stop screw (6-30) does not require removal from the housing adapter
(6-10) unless replacing with a new ES or stop screw.
2.3.1.2 CBA730 through CBA1030-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 (6-30).
2.3.1.2.3 Remove caution tag (12-40) from M3 jackscrew (6-30).
2.3.1.2.4 Loosen and remove hex nut (6-40) from M3 jackscrew (6-30).
Section 2: Actuator Disassembly
August 2015
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