START ENGINE (M548A1) Continued
If the engine doesnt start after 15 seconds of cranking, release the START switch. Wait 30
seconds before you try again. If the engine doesnt start in five tries, notify unit maintenance.
Push in the fuel cut-off.
Cranking time before pressing accelerator pedal changes with temperature. 45 seconds is for
C). Crank 5 seconds less for each 5 degrees above -25
C), down to a shortest
time of 15 seconds. Crank 15 seconds at all temperatures from 10
F to 40
C to 4
Within the first 10 seconds engine should give signs of "firing up" or trying to start. When this
happens, continue to hold the START and AIR BOX HEATER switches for another 25 seconds.
This adds up to the total of 45 seconds for pre-start.
If within the first 20 seconds engine does not give signs of "firing up" or trying to start, stop
starting procedures and go to Step 19.
Press and hold START switch.
10. Press and hold AIR BOX HEATER switch.
11. Hold both START and AIR BOX HEATER switches for approximately 45 seconds.