TM 1-1520-240-CL
P-1
DETAILED PROCEDURES
ERFS II
For each installed ERFS II Tank Assembly.
1. Tank restraint assembly — Check location and
security.
2. Cavity overboard drain — Check connection and
security of drain in use. Check drain not in use
is capped.
3. Grounding cable — Check connection security.
4. Vent hose assembly — Check connection
security. Ensure dust cover is secure on
retention strap and connection to dust cap
stowage connector.
O 5. Fuel transfer hose assembly — Check
connection security; all Unisex valves OPEN.
O 6. Single point pressure refueling hose assembly
— Check connection security; Unisex valve at
ERFS II Tank CLOSED.
7. Electrical Harness — Check connection security
of J1.
8. Fuel quantity sensing wiring harness — Check
connection security of J2.
9. Fuel/defuel vent valve — Check in the CLOSED
position.
10. ERFS II tank sump fuel sample — Check before
first flight of the day.
11. Filler cap — Check in place, closed, and locked.
12. ERFS II Fuel Control Panel — Check or set as
follows:
a. Electrical harness - Helicopter receptacles
to fuel control panel — Check connection
security of J5.
b. Electrical harness - Fuel control panel to
tank assembly — Check connection
security of J1, J2, and J3.
