2-7. ASSEMBLY AND PREPARATION FOR USE - continued.
Water Heater Nonmetallic Hose Fuel Lines. See figure 2-18.
Do one of the steps below:
If using a 55-gallon (208 liters) drum, follow substeps below:
Remove drum extension (4) from return outlet (8).
Install drum extension (4) on pipe coupling (7).
Install drum fill adapter (6) in drum (5).
If using a 5-gallon (19 liters) military gas can, install drum fill adapter (6) in military gas can.
Locate nonmetallic hose fuel line (3) under water heater.
Be sure that nonmetallic hose fuel lines do not touch or cross water hoses, power cables, or
exhaust ducts. Melting/damage can occur causing leaking fuel and water or electrical hazards.
Death by electrocution fire, or explosion could result.
Connect nonmetallic hose fuel lines (3) to water heater fuel filter inlet and to fuel pump outlet. Refer to TM
10-4520-259-13&P for location of water heater components.
Connect the other ends of nonmetallic hose fuel lines (3) to drum fill adapter (6). The line from the fuel
filter connects to fitting labeled SUPPLY on drum fill adapter. The line from the bottom of fuel pump
connects to fitting labeled RETURN on the drum fill adapter.