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 TM 3-1040-279-12&P
lights. After indicator lights, release
WARNING
FOG OIL switch and allow it to move
Fire detection system will only
to RUN (center) position.
detect large fires at the engine
head and will not warn personnel
CAUTION
of small fires or flashbacks common
to the system.
Adjust FOG OIL FLOW control
knob within 30 seconds after fog
(6) Hold ENGINE switch (6) in START
oil indicator lights to prevent over-
(up) position until ENGINE indica-
heating the pulse jet engine.
tor lights. After indicator lights, re-
lease ENGINE switch and allow it to
move to RUN (center) position.
(8) Adjust FOG OIL FLOW control
knob (8) for normal engine tempera-
(7) Hold FOG OIL switch (7) in START
ture and optimum smoke produc-
(up) position until FOG OIL indicator
tion. (See table below.)
OPERATING TEMPERATURES
INDICATOR COLOR
RANGE
TEMPERATURE
CONDITION
White
200-400F (93-204C)
Not operating
Yellow
400-650F (204-343C)
Excess fog oil flow
Green
650-950F (343-510C)
Normal operation
Red
Inadequate fog oil flow
950-1200F (510-649C)
b. Stopping. To shut down the smoke gener-
knob (8) on the control panel assem-
ator set, proceed as follows:
bly fully counterclockwise.
(2) Set FOG OIL switch (7) to OFF.
(3)
Let pulse jet engine run to burn
CAUTION
excess fog oil, then set ENGINE
Procedures 1, 2, and 3 must be per-
switch (6) to OFF.
formed within 30 seconds to pre-
(4)
vent smoke generator engine from
Set FUEL switch (4) to OFF.
overheating.
(5) Press PURGE switch for 3 to 5
seconds.
NOTE
(6) Set POWER switch to OFF.
If emergency shutdown is required,
set circuit breaker CB1 (1) to OFF.
(7) Set circuit breaker CB1 to OFF
(8) Perform after (A) operation PMCS
(1) Turn the FOG OIL FLOW control
procedures.
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