TM-3-1040-279-12-P
GENERATOR SET, SMOKE, MECHANICAL: PULSE JET, M157 W/120 GAL FOG OIL TANK AND W/80 GAL FOG OIL TANK
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST AND DEPOT MAINTENANCE REPAIR PARTS
MAY 1987
TM-3-1040-279-12-P - Page 42 of 389
TM 3-1040-279-12&P
WARNING
lights. After indicator lights, release
Fire detection system will only
FOG OIL switch and allow it to move
detect large fires at the engine
to RUN (center) position.
head and will not warn personnel
of small fires or flashbacks common
CAUTION
to the system.
Adjust FOG OIL FLOW control
(6)
Hold ENGINE switch (6) in START
knob within 30 seconds after fog
(up) position until ENGINE indica-
oil indicator lights to prevent over-
tor lights. After indicator lights, re-
heating the pulse jet engine.
(7)
lease ENGINE switch and allow it to
move to RUN (center) position.
(8)
Hold FOG OIL switch (7) in START
(up) position until FOG OIL indicator
Adjust FOG OIL FLOW control
knob (8) for normal engine tempera-
ture and optimum smoke produc-
tion. (See table below.)
OPERATING TEMPERATURES
INDICATOR COLOR
RANGE
TEMPERATURE
CONDITION
White
200-400°F (93-204°C)
Not operating
Yellow
400-650°F (204-343°C)
Excess fog oil flow
Green
650-950°F (343-510°C)
Normal operation
Red
950-1200°F (510-649°C)
Inadequate fog oil flow
b. Stopping.
To shut down the smoke gener-
ator set, proceed as follows:
(2)
CAUTION
(3)
Procedures 1, 2, and 3 must be per-
formed within 30 seconds to pre-
vent smoke generator engine from
(4)
overheating.
(5)
NOTE
(6)
If emergency shutdown is required,
set circuit breaker CB1 (1) to OFF.
(7)
(8)
(1) Turn the FOG OIL FLOW control
knob (8) on the control panel assem-
bly fully counterclockwise.
Set FOG OIL switch (7) to OFF.
Let pulse jet engine run to burn
excess fog oil, then set ENGINE
switch (6) to OFF.
Set FUEL switch (4) to OFF.
Press PURGE switch for 3 to 5
seconds.
Set POWER switch to OFF.
Set circuit breaker CB1 to OFF
Perform after (A) operation PMCS
procedures.
2-12
Change
2
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