TM 55-1520-240-T
7-1.18 FLIGHT CONTROL NO. 2 PRESSURE OR RETURN FILTER CHANGE LIGHT IS ON (Continued)
7-1.18
F L I G HT C O N T R O L N O . 2
DISCONNECT PLUG 143P3
FROM FILTER. DOES LIGHT GO
OUT?
LOCATE GROUND FAULT ON
WIRE W528-44-20, W668-47-
22 OR W3510-048-22 BE-
TWEEN PLUG 143P3 AND
FLIGHT CONTROL NO. 2
PRESSURE FILTER CHANGE
LIGHT. REPAIR OR REPLACE
WIRE AS REQUIRED.
P R E S S U R E F I L T E R C H A N G E L I G H T I S ON
F L I G H T C O N T R O L N O . 2 R E T U R N F I L T E R C H A N GE L I G H T I S O N
PERFORM SERVICEABILITY
CHECK ON FILTER. REFER TO
TM 55-1520-240-23.
REPLACE PRESSURE FILTER lN-
DICATOR.
CHECK NO. 2 POWER CONTROL
MODULE RETURN FILTER lNDl-
CATING BUTTON. IS IT EX-
TENDED?
PERFORM SERVICEABILITY
CHECK ON FILTER. REFER TO
TM 55-1520-240-23.
DISCONNECT PLUG 143P4
FROM FILTER. DOES LIGHT GO
OUT?
LOCATE GROUND FAULT ON
WIRE W528-45-20, W668-48-
22 OR W3510-049-22 BE-
TWEEN PLUG 143P3 AND
FLIGHT CONTROL NO. 2 RE-
TURN FILTER CHANGE
LIGHT. REPAIR OR REPLACE
WIRE AS REQUIRED.
REPLACE RETURN FILTER lNDl-
CATOR.
END OF TASK
Change 5
7-59
