GENERAL SAFETY INSTRUCTIONS
HELICOPTER. Army regulations require
the grounding of the helicopter when
parked and during all fueling and
defueling operations. No electrical
switches shall be operated except those
necessary for servicing during fueling
and defueling. No smoking or flame
Do not move coupling levers to open
position with hose or tee couplings
while couplings are disconnected.
Hose and tee coupling lock levers have to
be in closed position when disconnected.
Couplings will not unlock if levers are not
moved from closed position.
Place clean rags (item 3, Appx D) under hose
2. Remove fuel hose.
a. Unlock hose couplings.
b. Twist hose couplings counterclockwise at both
attaching ends. Remove hose.
Refer to POL manual for hose inspection.
Visually inspect new hose for kinks, damaged
couplings, and other obvious damage.
Replace fuel hose if above conditions are found.
After hose is installed, ensure that
coupling levers are open.
Unlock hose couplings by turning lock levers to
2. Align lugs with grooves.
3. Push hose couplings together and twist clockwise.
Move levers to open position.
MAINTENANCE OF ERFS COMPONENTS.
REPLACE TEE COUPLING.
This task covers:
Tee Assembly (5, Fig C-2), Appx C
Refer to Figures 3-5 and 3-6.
All ERFS tank cam levers CLOSED.
All tee and system coupling valves
CLOSED. Suction hose assembly
(14) coupling closed. Refer to