TM 1-1520-238-T-7
1089
1015. FUEL DOES NOT FLOW FROM SUMP DRAIN AFTER PUSH-TO-DRAIN
1015
CONTROL IS PRESSED
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanics
Personnel Required:
67R
Attack Helicopter Repairer
References:
TM 1-1520-238-23
1. Check amount of fuel in fuel cells.
Is fuel present in fuel cells?
YES
Go to step 2.
NO
Refuel helicopter. Go to
paragraph 1012.
2. Press push-to-drain control.
Does control have spring loaded action?
YES
Go to step 3.
NO
Replace push-to-drain control
(TM 1-1520-238-23).
3. Defuel helicopter. Check sump drain valve
opening for obstruction.
Are there any obstructions?
YES
Remove obstructions. Go to
paragraph 1012.
NO
Replace sump drain valve
(TM 1-1520-238-23).
END OF TASK