Bell System Practices 630 Series Installation And Maintenance Manual page 3

1SS 4, SECTION 502-600-100
(1} Remote faceplate, mat, and bezel assembly
(paragraph 2.04).
(2) Remove housing (paragraph 2.10).
(3) Install lower bezel 814455069 (P-44 E506).
(4) Secure \vith 997126610 bezel clip (Fig. 4).
(5) Place upper bezel 814455051 (P-44 E505) on
housing.
(6) Turn housing over and place 814455077
(P-44 E507) retainer on tab of bezel (Fig. 4).
(7) Place 840993778 bezel spring over retainer
(Fig. 4).
2.09
To place key designation strips or remove
the telephone set housing for component or
wiring changes, the faceplate and mat (early sets)
must be removed.
C. Housings
2.10
Remove the telephone set housing as follows.
(1) Remove faceplate and mat (paragraphs 2.02,
2.04 or 2.06).
(2) Loosen two screws at rear of housing ( Fig. 6).
(3) Raise rear of housing, move forward to
disengage front mounting hooks. and lift
off.
(4) When replacing housing reverse procedure.
D. Keys
2.11
Double, tripIe, and four letter coded ~ALL
DIRECTOR telephone sets can be equipped
with 635-type and 658A keys also 76A lamp socket
and/or 679A (MD) transmitter. Single and early
production double letter coded sets ~~ere equipped
with 590- or 650-series keys, and 61'i'A ( MDJ key
or 667B (MD) transmitter. Installation and electrical
connection of key modules for current and early
production sets differ.
2.12
Remove the 590- and 650-series key module
from telephone set as follo~vs.
(1) Remove set housing (paragraph 2.10}
REAR
Fig. 4—Housing With Two-Piece Bezel Assembly Installed
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