TM 3-4230-237-10
0010 00
OPERATING INSTRUCTIONS ON DECALS AND INSTRUCTION PLATES - Continued
4
Key
Plate
4
Water Heater Operating Instruction Plates
HEATER OPERATING INSTRUCTIONS
TO ACTIVATE HEATER:
1. CONNECT WATER HEATER INLET AND OUTLET WATER HOSE.
2. MAKE CERTAIN HEATER IS FULL OF WATER BEFORE PROCEEDING.
3. REMOVE FUEL LINES FROM STORAGE COMPARTMENT AND CONNECT TO PUMPING UNIT
WITH QUICK CONNECTORS. VERIFY CONNECTIONS ARE SECURE.
4. BE CERTAIN HEATER SWITCH IS IN "OFF" POSITION.
5. CONNECT POWER CABLE TO 24 VOLT D.C. POWER SUPPLY ON PUMPING UNIT.
6. ALLOW HEATER TO OPERATE IN "ON" POSITION FOR TWO MINUTES WITH
THERMOSTAT OFF.
7. BE CERTAIN WATER IS FLOWING THROUGH THE HEATER.
8. NOTE THAT FUEL PRESSURE SHOULD BE STABLE AT 150 PSI.
9. ADJUST THERMOSTAT TO DESIRED TEMPERATURE. IF FIRE IS NOT ESTABLISHED IN
TEN SECONDS RETURN THERMOSTAT SWITCH TO OFF POSITION AND DO NOT ATTEMPT
TO RESTART UNTIL EXPERIENCED PERSONNEL SERVICES HEATER.
TO DEACTIVATE HEATER:
10. TURN THERMOSTAT TO OFF POSITION.
11. ALLOW WATER TO FLOW THROUGH HEATER FOR AT LEAST 3 MINUTES OR UNTIL
DISCHARGE WATER IS APPROXIMATELY 100 DEGREES FAHRENHEIT.
12. DISCONNECT UNIT FROM D.C. POWER SUPPLY AND COIL CABLE IN STORAGE COMPARTMENT.
13. DISCONNECT FUEL LINES AT PUMPER AND STORE IN TOP STORAGE COMPARTMENT.
14. DISCONNECT OUTLET WATER HOSE AT BOTH ENDS AND COIL NEATLY IN STORAGE
COMPARTMENT. DISCONNECTING INLET HOSE AT BOTTOM OF HEATER WILL DRAIN UNIT.
15. CLOSE AND LATCH STORAGE COMPARTMENT COVER.
0010 00-4
