STARTUP - Continued
NOTE
•
Allow five to seven minutes after initially pressing the ENG PREHEAT
switch (WP 0015) for heater startup.
•
If M12 EMI Arctic Heater fails to start within 105 seconds of fuel pump
start, it will automatically attempt a second start sequence.
•
If second start is unsuccessful within 75 seconds of fuel pump start,
the M12 EMI Arctic Heater will enter a "no-start safety" shutdown.
•
If M12 EMI Arctic Heater flames out during operation, it automatically
attempts to restart. If restart fails within 90 seconds of fuel delivery
or, if a flameout occurs again within 10 minutes, a "flameout"
shutdown occurs.
•
Do not attempt to reset M12 EMI Arctic Heater more than twice.
5. If M12 EMI Arctic Heater fails to start, push ENG PREHEAT switch (WP 0015) down
to off position for ten seconds, then back up to on position to reset and restart the M12
EMI Arctic Heater.
NOTE
•
M12 EMI Arctic Heater operation generates very little noise. Noisy
environments may make it difficult to determine if the M12 EMI Arctic
Heater is running. If unsure about heater status, place hand near (not
on) the M12 EMI Arctic Heater outlet hose to check for warmth.
•
While in operation, M12 EMI Arctic Heater monitors and maintains
circulating coolant temperature by cycling through several stages
(High, Medium 1, Medium 2, Medium 3, Low and Off).
6. Once the M12 EMI Arctic Heater is operating, close hood (WP 0111) and allow M12
EMI Arctic Heater to run for 15 minutes or more to heat engine coolant.
END OF TASK
SHUTDOWN
NOTE
When switched off, the M12 EMI Arctic Heater enters an after-run
sequence lasting 180 seconds (three minutes) to cool the combustion
chamber and clean the glow plugs.
1. Press ENG PREHEAT switch (WP 0015) (1) down to off position. ENG PREHEAT
switch indicator will go out and M12 EMI Arctic Heater after-run sequence will begin.
TM 9-2320-360-10 0036
0036-5
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