TM 5-4520-253-13
SECTION Ill.
OPERATION UNDER USUAL CONDITIONS
2-2. DAILY CHECKS
Before operation, heater must be connected to 120 V ac, 50/60 Hz electrical power supply and external fuel supply.
Temperature is controlled by remote thermostat. Before starting heater, make following checks:
WARNING
Death or serious injury could occur if fuel is not handled
carefully. Use in a well-ventilated area away from open flame,
arcing equipment, ignition sources, heaters, or excessive heat.
Engines must be turned off and cool before refueling. Use pro-
per refueling procedures and equipment to avoid spillage. Do
not run engines near open fuel containers. Do not use fuel as
a cleaning solvent. DO NOT SMOKE.
a. Ensure plugs are completely inserted and threaded sleeves tightened at the following electrical connections:
(1) POWER RECEPTACLE (8, table 2-1).
(2) EXTERNAL FUEL PUMP RECEPTACLE (9, table 2-1).
(3) ROOM THERMO RECEPTACLE (10, table 2-1).
b. Ensure fuel level in fuel supply container is adequate for the period of operation required. Ensure fuel shut-
off valve on fuel supply container is open.
WARNING
Do not operate heater if fuel leakage is detected.
2-3. OPERATING PROCEDURES
Heater can be operated in either of two modes:
a. Heating mode.
b. Fan mode.
Change
1
2-3
