TM 9-2320-273-20
SENDING UNITS, SWITCHING DEVICES, AND WINTERIZATION KIT.
5-91. WINTERIZATION KIT BATTERY BOX HEATER MAINTENANCE (Continued).
LOCATION/ITEM
ACTION
REMARKS
C. OPERATIONAL CHECK.
2. 110 VAC power cord.
Plug into power source and
vehicle receptacle. Flip battery
heater circuit ON.
13. Heater (3).
Verify that heater (3) functions
Thermostat closes at
properly.
350F (1.7°C) and opens
at 55°F ( 12.8°C).
NOTE
Follow-on maintenance action required:
Install and connect batteries per para 5-38E.
5-343
