Table 2-1. Preventive Maintenance Checks and Services for Model M992A1
l If heater operates improperly
fuel may overflow, causing
danger of fire or explosion.
l Be alert during heater operation
for exhaust odors or signs of
exposure to carbon monoxide.
Carbon monoxide can kill you.
If present, shut off heater and
l Explosive/flammable materials
are a fire hazard. Do not store
aerosol cans, solvents, fuel, etc.,
anywhere inside vehicle. Stow
ammunition and powder in
authorized stowage racks.
a. Start and operate heater (p. 2-
187). If heater does not start,
notify Unit maintenance.
b. Check crew/driver duct outlets for
steady warm-air output. If there is no
warm-air output, shut off heater (p. 2-
188) and notify Unit maintenance.
Not Fully Mission