TM 55-1560-307-13&P
GENERAL SAFETY INSTRUCTIONS
WARNING
ELECTRICAL
GROUNDING
OF
THE
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
during
all
fueling
and
defueling
operations.
CAUTION
Do not move coupling levers to open
position with hose or tee couplings
while couplings are disconnected.
NOTE
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.
REMOVAL
1.
Place clean rags (item 3, Appx D) under hose
connections.
2. Remove fuel hose.
a. Unlock hose couplings.
b. Twist hose couplings counterclockwise at both
attaching ends. Remove hose.
INSPECTION
Refer to POL manual for hose inspection.
a.
Visually inspect new hose for kinks, damaged
couplings, and other obvious damage.
b.
Replace fuel hose if above conditions are found.
INSTALLATION
NOTE
After hose is installed, ensure that
coupling levers are open.
1.
Unlock hose couplings by turning lock levers to
closed position.
2. Align lugs with grooves.
3. Push hose couplings together and twist clockwise.
Move levers to open position.
3-16.
MAINTENANCE OF ERFS COMPONENTS.
REPLACE TEE COUPLING.
This task covers:
a.
Removal.
b. Inspection.
c. Installation.
INITIAL SETUP
Tools: None
Materials/Parts:
Tee Assembly (5, Fig C-2), Appx C
Equipment Conditions:
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
Figure 1-1.
3-19
