AT&T Plus - Page 25

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AT&T Private Pay Phone Plus
February, 1988
TABLE 2 FASTENERS USED IN MOUNTING BACKBOARDS
FASTENERS USED IN MOUNTING BACKBOARDS
MOUNTING SURFACES FASTENERS
PLASTER PLASTER ON
MASONARY
BOARD
CINDER
QUANTITY
(CONCRETE
AND
BLOCK,
HOLE
SOFTWOOD
HARDWOOD
OR
PLASTER HOLLOW
SIZE
SIZE AND TYPE
(NOTE 3)
BRICK)
ON
TILE, OR
REQUIRED
(NOTE 1)
LATH METAL
(NOTE 2) STUDS
•
1/8 OR
1-3/4 INCH NO. 14 FLATHEAD TAPPING SCREW
•
NO. 30
1-1/4 INCH NO. 14 FLATHEAD TAPPING SCREW
7
•
1/2
1/4-20 BY 1-¼ FLATHEAD MACHINE SCREW
IN 1/4 by 1-1/4 INCH EXPANSION SHIELD
•
1/8 OR
1•3/4 INCH NO. 14 FLATHEAD TAPPING SCREW,
NO. 30
SECURE IN STUD A MINIMUM OF 1 INCH
6
•
3/4
1/4 BY
4•INCH ROUNDHEAD TOGGLE BOLT•
The phone must be flush against the vertical surface when mounted. Therefore you rr.ust
either: drill a hole through the surface for the telephone line cord, power cable, and ground
wire; put a "groove" in the surface for the telephone line cord, power cable, and
;ir:x .. nd
wire; or purchase a coin telephone backboard. Refer to Figure 7 for illustrations
oi these
mounting options.
Owner Manual
Page 23