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 TM 9-4931-378-13&P
(3) R e m o v a l o f T h r e e - D i g i t R e a d o u t . R e -
Removal of connectors J3 through J5.
(8)
move three-digit readout (3) as follows:
Remove connector J3, J4, or J5 (7) as
Remove six nuts (47).
follows:
(a)
(b) Pull three connectors (44) on wire
R e m o v e four each screws (62),
(a)
run (45) free from rear of indicator
washers (64) and nuts (65).
assembly (41 ).
Remove connector (63) from back
(b)
Remove four screws (38), four
(c)
of front panel (22) without strain-
washers (39), four washers (42) and
ing cable.
four nuts (43).
Remove each connector pin or
(c)
(d) Move indicator assembly (41) and
socket with appropriate extraction
drip-proof seal (40) out of front
tool.
panel (22).
(9)
Removal of Serial Number Plate. To re-
move serial number plate (8), drill out
(4)
Removal of Toggle Switch. Remove tog-
two solid rivets (9) and separate serial
gle switch (4) as follows:
number plate (8) from front panel (22).
(a) Disconnect each wire from back of
Removal of Identification Plate. To r e -
(lo)
switch assembly (51 ) and label for
move identification plate (10), remove
later identification.
four each screws (11), washers (12) and
(b) Remove retaining nut (48) and
nuts (13) and separate plate from front
washer (49).
panel (22).
Pull switch assembly (51) and anti-
(c)
Removal of Pushbutton Switch. R e m o v e
(11)
rotation washer (50) away from
pushbutton switch (14) as follows:
back of front panel (22).
(a) Disconnect wires from rear of
Removal of Rotary Switch. R e m o v e
(5)
pushbutton switch (68) and label
rotary switch (5) as follows:
for later identification.
(a) Unsolder each wire from rotary
(b) Remove retaining nut (66) and
switch (58) and label for later
washer (67).
identification.
(c) Move pushbutton switch (68) away
(b) Loosen set screws (54) and slide
from rear of front panel (22).
knob (55) off of rotary switch (58)
(12)
Removal of Circuit Breaker. Remove cir-
shaft.
cuit breaker (15) as follows:
Remove retaining nut (56) and
(c)
(a)
Unsolder wires from rear of circuit
washer (57).
breaker (73) and label for later
( d ) Pull rotary switch (58) away from
identification.
back of front panel (22).
(b) Remove retaining nut (69) and
washer (70).
(6) Removal of Connector Jack. R e m o v e
( c ) Move circuit breaker (73), o-ring
connector jack (6) as follows:
(72) and anti-rotation washer (71)
(a) Unsolder wire from back of con.
away from back of front panel
nector jack (59) and label for later
(22).
identification.
Removal of Bow Handles. Remove bow
(13)
(b) Remove retaining nut (61) and
handle (16) on rear of chassis side mem-
washer (60).
ber.
(c) Pull connector jack (59) out of
(a)
Remove two screws ( 18) from each
front panel (22).
bow handle (16) on rear of chassis
(7) Removal of connectors J1 and J2. R e -
side member.
move connector J1 or J2 (7) as follows:
(b) Separate bow handles (16) and fer-
(a) Unsolder each wire from back of
rules (17) from front of test set.
connector (63) and label for later
(14)
Removal of Front Panel. Remove front
identification.
panel (22) as follows:
(b) Remove four each screws (62),
Remove 12 screws (19), washers
(a)
washers (64) and nuts (65).
(20) and nuts (21).
(c) Pull connector (63) away from
(b) Separate front panel (22) from
back of front panel (22).
chassis.
6-14
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