(2) Connect the insulated and stored
(Y)
handset
cord jack lead and one end of the
(Y)
824612527 (P-46J252) lead assembly furnished in
the kit together using a D-161488 connector
(ordered separately). Insulate the connector.
(3) Remove the screw from the flexible circuit
tab (network) at receiver terminal C. Insulate
the tab.
(4) Insulate the shank portion of the other end
of the
(Y)
spade-tipped lead assembly and
connect to the receiver terminal vacated by the
flexible circuit tab.
(5) Connect the insulated and stored (BK) handset
cord jack lead to terminal 5 on the flexible
circuit board (network).
Insulate the shank
portion of the spade tip.
(6) Replace the handset shell, paragraph 3.03.
Note:
The 282B adapter furnished with the
kit of parts is not required to convert the
(early version) 2220C hand telephone set.
To complete the modification of a
TRIMLINE telephone set for RFI, it
is
necessary
to
open the AC- or AD-type
telephone base and make certain wiring
c h a n g e s.
R e f e r t o S e c t i o n
500-150-100
for these wiring
connection and Section
502-303-101
for information on removing the
base housing.
3.07
To prevent RFI in the on-hook position
when the later version 2220C and 2226A
handsets (identified by the two contact springs in
the handset cord jack) are provided, install kit of
parts as follows.
(1) Remove the shell from handset, paragraphs
3.01 and 3.02.
(2) Position the 282B adapter furnished in the
kit on the existing handset cord jack body
as shown in Fig. 9.
(3) Slide the adapter into the body until locked
into place. When correctly assembled, the
two gold wire contact springs of the adapter
will be positioned in the formerly vacant slots
ISS
2,
SECTION
502-303-
1
02
of the jack paralleling the existing gold contact
spring (Fig. 9).
(4) Remove the screw from the flexible circuit
tab (network) at receiver terminal C. Insulate
the tab.
(5) Insulate the shank portion of the (BK) adapter
spade-tipped lead and connect to the receiver
terminal vacated by the flexible circuit tab.
(6) Connect the
(Y)
adapter lead to terminal 5
on the flexible circuit board (network).
Insulate the shank portion of the spade tip.
(7) Replace the handset shell, paragraph 3.03.
Note:
The
(Y)
824612527 (P-46J252) lead
assembly furnished with the kit of parts is
not required to convert the (late version)
2220C hand telephone set.
To complete the modification of a
TRIMLINE telephone set for RFI, it
is
necessary
to
open the AC- or AD-type
telephone base and make certain wiring
c h a n g e s.
R e f e r t o S e c t i o n
500-150-100
f o r these wiring
connections and Section
502-303-101
for information on removing the
base housing.f
C. Inductive Hearing Aid Pickup (D- 18071 9 Kit of
Parts)
3.08
For customer's with telephone pickup type
hearing aids, a D-180719 Kit of Parts may
be installed in the 220C, 226A, 2220C, and 2226A
handsets as follows.
(1) Remove the shell and deck from the molded
plastic chassis assembly (paragraph 3.01,
3.02 and Fig. 7).
(2) Twist and lift off the receiver retainer,
receiver unit, and receiver grommet from
the receiver cup on the chassis assembly.
(3) Remove the receiver retainer and grommet
from the receiver unit and
discard only
the retainer and grommet.
(4) From the kit of parts (Fig. 11) install the
receiver grommet in the field coil assembly
Page 9
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BSP S02-303·102-i0l_l979-l2-09.jpg Scanned by Frank Harrell, (Cowboy Frank)
Castle
Rock,
Colorado
Feb 07,2012 13:29:36
