| Tweet |
Custom Search
|
|
|
||
 telephone, searchlight, lighting port and starboard main
(4) Inspect battery volt switch (7); if not
deck, towing lights, and radio direction finder.
operating before removal or is damaged, replace.
b. Maintenance and Adjustment.
(5) Inspect trickle charge switch (4); if
(1) Remove and replace blown fuses with
damaged, replace.
new fuses of the same amperage rating.
(6)
Inspect the main switch (5);
if
(2)
To remove and replace defective
damaged, replace.
switches proceed as follows:
(7) Inspect rheostat; if not operating prior to
(a) Place the navigation lighting panel
removal or it is damaged, replace.
switch (25, fig. 2-5) in the OFF position.
(8) Inspect resistors; if broken or damaged,
(b) Open the navigation light panel
replace.
door and remove mounting screws from the defective
d. Installation.
switch.
Disconnect wires.
Tag wires for proper
(1)
Position voltmeter (1)
in battery
reinstallation. Lift out switch.
charging 'panel and tighten three mounting screws.
(c) Replace switch and tighten
Replace two wires in their proper location and tighten
mounting screws. Place the wires in proper location on
terminals.
new switch and tighten terminals.
(2)
Position ammeter ( 2)
in battery
(d) Close the navigation light panel
charging panel and tighten three mounting screws.
door.
Replace two wires in proper location, and tighten
(e) Place the navigation lighting panel
terminals.
switch (25) in the ON position.
(3) Position battery selector switch (3) in
battery charging panel and tighten mounting locknut.
Replace the wires in proper location and tighten
5-93. General Lighting Panel
terminals.
a. General. The general lighting panel is located
(4) Position battery volt switch (7) in
in the athwartship passageway, main deck, frame 21, at
battery charging panel and tighten mounting locknut.
center of ship (fig. 2-17). Individual switches and fuses
Replace wires in proper locations and tighten terminals.
are provided for the circuits supplied from the main
(5) Position trickle charge switch (4) in
panel (18, fig. 2-5).
battery charging panel and tighten two mounting screws.
b. Inspection and Repair.
Replace two wires in proper location and tighten
(1) Remove and replace defective fuses
terminals.
with fuses of same amperage as those removed.
(6) Position main switch (5) in battery
(2)
To remove and replace defective
charging panel and tighten two mounting screws.
switches proceed as follows:
Replace two wires in proper location and tighten
(a) Place the general lighting switch
terminals.
(18, fig. 2-5) at OFF.
(7) Position reverse current relay in battery
(b) Open the door of the general
charging panel and tighten mounting screws. Replace
lighting panel, remove mounting screws from the
three wires in proper location and tighten terminals.
defective switch, tag and disconnect the electrical leads,
(8) Position resistors in rear of panel and
then remove switch from the panel.
tighten mounting screws. Replace four wires in proper
(c) Position new switch on panel then
location and tighten terminals.
install mounting screws. Remove tags and install
(9) Position rheostat in battery charging
electrical leads to switch. Tighten all connections.
panel and tighten mounting screws. Replace two wires
(d) Close panel door.
in proper location and tighten terminals.
(e) Move lighting switch (18, fig. 2-5)
(10) Replace all. blown fuses. Be sure
to ON.
replacement fuse is the same amperage rating as the
(f) Replace fuses and switches on
blown fuse.
minor panels in a similar manner.
(11) Close panel door (8) and tighten two
screws.
5-94. General Alarm
(12) Replace rheostat wheel (6).
a. General. The general alarm consists of four
(13) Place switch, power panel (23, fig. 2-
vibrating bells, 3-eight inch, and one 10-inch. They are
battery operated by a 24-volt system maintained at full
charge by the battery charging panel (para 5-91). The
5-92. Navigation Light Panel
alarm is controlled by a contact maker No. 60-17 type C
a. General. The navigation light panel is located
located in the pilothouse. The eight inch bells are
in the pilothouse. Individual fused switches in the panel
located one in crew quarters, one in galley, and one in
control the air whistle, pilothouse lighting, radio,
athwartship passageway. The 10-inch bell (fig. 5-119)
is located in the engineroom.
5-171
|
||
|
||
