NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE OR MOVES BUT STOPS OUTSIDE OF 13 TO 21 ON PROTRACTOR (DECREASE SELECTED) (Continued)

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 4-6.11 NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE OR MOVES BUT STOPS OUTSIDE OF 13° TO 21° ON PROTRACTOR (DECREASE SELECTED) (Continued) 4-6.11 HOLD PILOTS NO. 1 AND NO. 2 TRIM SWITCH AT DEC OPEN RIGHT ELECTRICAL COMPART-. MENT CHECK FOR 28 VDC BETWEEN RELAY 103K2 TERM A2(+) AND GROUND 1S28 VDC PRESENT? CHECK FOR 28 VDC BETWEEN RELAY 103K2 TERM A1 ( + ) AND GROUND IS 28 VDC PRESENT/ C HECK FOR GROUND ON RELAY 103K2 TERM X 2 IS GROUND PRESENT? YES HOLD PILOT’S NO. 1 AND NO. 2 TRIM SWAT DEC. CHECK FOR 28 VDC BETWEEN RELAY 103K2 TERMX1 (+) AND GROUND IS 28 VDC PRESENT? LOCATE OPEN IN WIRE W592 52-22 BETWEEN RELAY 103K2 AND RELAY 103K1 REPAIR OR REPLACE WIRE AS REQUIRED REPLACE RELAY 103K2 RELEASE SW DISCONNECT ELECTRICAL POWER DISCONNECT PLUG 103P1 FROM CONTROL BOX. CHECK FOR CONTINUITY BETWEEN PLUG 103P1 PIN 8 AND RELAY 103K2 TERM A2 IS CONTINUITY PRESENT? LOCATE OPEN IN WIRE W591- 67-22 BETWEEN PLUG 103P1 AND RELAY 103K2 REPAIR OR REPLACE WIRE AS REQUIRED LOCATE OPEN IN WIRE W591- GD132F20 BETWEEN RELAY 103K1 AN D GROUND MODULE GD173 REPAIR OR REPLACE OPEN LEFT ELECTRICAL COM- PARTMENT CHECK FOR GROUND ON RELAY 103K1 TERM A3 IS GROUND PRESENT? CHECK FOR GROUND ON PLUG 103P1 PINA IS GROUND PRESENT? LOCATE OPEN IN WIRE W591- 2522 BETWEEN PLUG 103P1 AND RELAY 1O3K1 REPAIR OR REPLACE WIRE AS REQUIRED CHECK FOR CONTINUITY BETWEEN PLUG 103P1 PIN A AN ORE LAY 103K1 TERM A2 IS CONTINUITY PRESENT? REPLACE NO 1 CONTROL BOX REPLACE RELAY 103K1 GO TO NEXT PAGE 4-152 Change 1

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