Personnel Heater Operation.
General. The personnel heater gives off heated air for the crew compartment.
Do not operate personnel heater with ventilating blower closed (see para. 2-13h).
Press indicator light (1) to see if it glows.
If it does not glow, replace it. If it still does
not glow, troubleshoot (see tab. 31).
Set HI/LO switch (2) to desired position.
Hold heater control switch (3) to START.
Wait 2 to 4 minutes for indicator light (1) to come on. Move heater control switch (3) to RUN.
If indicator light (1) fails to glow, move heater control switch (3) to OFF.
Press indicator light (1). If it lights, wait 2 minutes and try to start heater again.
If it does not light, troubleshoot (see tab. 3-1).
To stop heater, move heater control switch (3) to OFF. Light will go out in a short time.
Personnel heater can be operated with MASTER switch OFF. Run like this for only
a short time. Batteries will drain quickly in cold weather.
Ventilating Blower Operation.
DO NOT operate ventilating blower in an area where air is contaminated.
General. The ventilating blower circulates fresh outside air throughout the crew compartment.