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 ARMY TM 5-6675-309-14
MARINE CORPS TM 08840A-14/1
(a) Removal.
8.
Rotate lens assembly (41) 90 degrees until
lens assembly index slot is at top. Push
1.
Remove 20 screws (49) and washers (50)
lens assembly into switch-indicator S1
securing the PSTS front panel (51) to the
(44) to secure in place.
PSTS instrument case (1) . Remove PSRS
Install seal (40) covering front of switch-
9.
front panel far enough to permit access to
indicator S1 (44).
wires connected to rear of switch indica-
tor S1 (44).
10.
Solder tagged wires to switch-indicator S1
(44).
2.
Tag and unsolder wires from switch-indi-
cator S1 (44).
11.
Place PSTS front panel (51) in PSTS in-
strument case (1); align mounting holes.
3.
Remove seal (40) by peeling away from
switch housing.
12.
Install 20 screws (49) and washers (50)
securing PSTS front panel (51) to PSTS
4.
Using fingernail slots, pull out lens assem-
instrument case (1).
bly (41) to the limit of its travel. Rotate
lens assembly 90 degrees.
(4) Indicators DS1, DS2, and DS3. Remove and
replace typical indicator DS1 (37, figure 8-6,
5.
Push lens assembly (41) in to release ten-
sheet 1) as follows:
sion on index keys, then pull lens assem-
bly and lamp board (42) out of switch-
(a) Removal.
indicator S1 (44).
1.
Remove 20 screws (49) and washers (50)
Release two screws (45) securing switch-
securing PSTS front panel (51) to PSTS
6.
instrument case (1). Remove PSTS front
indicator cover (62). Remove switch-indi-
cator cover (62). Remove switch-indicator
panel far enough to permit access to
wires connected to rear of indicator DS1
cover from rear of PSTS front panel (51).
Remove switch indicator S1 (44) from
(37).
front of PSTS front panel.
2.
Tag and unsolder wires from indicator
DS1 (37).
(b) Replacement.
3.
Remove seal (34) covering front of indica-
NOTE
tor DS1 (37) by peeling away from switch
housing.
If new switch is to be installed, perform
steps 1, 2, and 3, otherwise, proceed to
4.
Using fingernail slots, pull out lens assem-
step 4.
bly (35) to the limit of its travel. Rotate
lens assembly 90 degrees.
1.
Using fingernail slots, pull out lens assem-
bly (41) approximately 5/8 inch. Rotate
5.
Push lens assembly (35) in to release ten-
lens assembly 90 degrees.
sion on index keys, then pull out lens
assembly and lamp board (36).
2.
Push lens assembly (41) in to release ten-
sion on index keys, then pull out lens
6.
Release two screws (38) securing indicator
assembly and lamp board (42).
cover (63). Remove indicator cover from
rear of PSTS front panel (51). Remove
Rotate two screws (45) to rear limit of
3.
indicator DS1 (37) from front of PSTS
their travel range. Remove switch-indica-
front panel.
tor cover (62).
(b) Replacement.
4.
Insert switch-indicator S1 (44) from front
of PSTS front panel (51).
NOTE
5.
Place switch-indicator cover (62) on
If new indicator is to be installed, per-
switch-indicator S1 (44) from rear of
form steps 1, 2, and 3, otherwise, proceed
PSTS front panel (51)
to step 4.
6.
Tighten two screws (45) securing switch-
1.
Using fingernail slots, pull out lens assem-
indicator cover (62) to switch-indicator S1
bly (35) approximately 5/8 inch. Rotate
(44).
lens assembly 90 degrees.
Install lamp board (42) and lens assembly
7.
2.
Push lens assembly (35) in to release ten-
sion on index keys, then pull out lens
(41) aligning slot in lamp board with in-
dex in switch-indicator S1 (44).
assembly and lamp board (36).
8-115
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