TM 3-4230-237-10
0007 00
STOPPING THE WATER HEATER - Continued
CAUTION
Insure that water heater is cool before storing the main electrical power cable and fuel hoses in the storage
compartment.
d.
Disconnect the main electrical power cable (16). Cap HEATER RECEPTACLE AND SWITCH socket. Stow the
main electrical power cable neatly in the storage compartment of the water heater.
17
18
16
CAUTION
Let water heater cool before disconnecting fuel lines.
2. Stop the pump unit assembly by turning the IGNITION SWITCH to STOP and closing the fuel shutoff valve.
3. Disconnect the fuel supply and the fuel return hoses (17) from the pump unit. Reconnect the caps on the quick disconnect
couplings for the fuel supply and fuel return lines.
4. Stow fuel hoses in top of water heater in storage compartment.
5. Close all valves opened for operation.
WARNING
When disconnecting the hoses with the water temperature above 100 F (38 C), exercise extreme care to
prevent scalding.
6. Disconnect the blender hose from the heater base and make the appropriate connections for the next operation. For
shutdown, coil water hose neatly in storage compartment. Allow the water heater to drain. It will drain completely through
the water inlet.
7. Install protective cap on heater inlet.
8. Close and latch storage compartment door (18).
0007 00-10
