TM 55-1520-240-23-8
10-36
FLUSHING AIRFRAME FUEL SYSTEM
(Continued)
10-36
39.
Disconnect fuel line (48) from APU shutoff valve
(49).
40.
Connect drain hose (50) to valve (49).
41.
Connect drain hose grounding wire (51) to
convenient helicopter ground point (52).
42.
Place free end of drain hose (50) in grounded
container (7).
43.
Make sure APU shutoff valve (49) is OPEN.
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