Disassembly And Reassembly; Removal Of A 28 Nontyping Reperforator - Bell System Practices 28 Disassembly And Reassembly

DISASSEMBLY AND REASSEMBLY

2.
A. Removal of a 28 Nontyping Reperforator
2.01
To Remove a Nontyping Reperforator of 28 Reper•
fora tor-Transmitter (28 RT) Set:
(1)
Disconnect all electrical leads.
(2) Remove the mounting screw that secures the tape­
alarm cable clamp.
(3) Remove the hex. mounting nut that secures the reper­
forator cable clamp adjacent to the 32-point connector.
(4)
Remove the mounting screw that secures the anchor
bracket to the base.
(5) Remove the three mounting screws that secure the
reperforator frame to the base. Lift the reperforator
from the base.
Note: See
2.02 To Remove a Nontyping Reperforator of 28 Automatic
Send-Receive (28 ASR) Set:
(1)
Disconnect the leads from the selector magnet.
(2) If equipped with power backspace, disconnect the leads
from the backspace magnet.
(3) If equipped with code-reading
remove
leads from the contacts.
(4)
Loosen the two setscrews on the coupling located on
the rear shaft and slide the coupling to the rear.
(5) Remove the mounting screw that secures the anchor
bracket to the base.
(6) Remove the three mounting screws that secure the
reperforator frame to the base. Lift the reperforator
from the base, being careful not to damage the codebar
extensions or any associated springs.
Note: See 2.04 for reinstallation.
2.03
To Remove a Nontyping Reperforator From Other
Than 28 ASR or 28 RT Set:
(1)
Disconnect the leads from the selector magnet.
(2)
If equipped
remove
leads from the contacts.
(3) Remove the mounting screw that secures the anchor
bracket to the base.
(4)
Remove the three mounting screws that secure the
reperforator frame to the base.
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2.04
for reinstallation.
the associated
with code-reading
the associ a ted
and timing contacts,
connector or
and timing contacts,
connector or
disconnect the
disconnect the
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