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NO.   1   EMERG   ENG   TRIM   CIRCUIT   BREAKER   WILL NOT   STAY   CLOSED   (Continued) - TM-55-1520-240-T-1_351
NO.   1   EMERG   ENG   TRIM   CIRCUIT   BREAKER   WILL NOT   STAY   CLOSED   (Continued) - TM-55-1520-240-T-1_353

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM    55-1520-240-1 4-6.6   NO.   1   EMERG   ENG   TRIM   CIRCUIT   BREAKER   WILL NOT   STAY   CLOSED   (Continued) 4-6.6 OPEN   NO   1   PDP   CHECK   FOR GROUND    FAULT    ON    CB 103CB3   CIRCUIT   SIDE   TERM   IS GROUND PRESENT? CHECK    FOR    GROUND    FAULT ON   EM   ERG   ENG   TRIM   PANEL ENGINE   1   INC.   -DEC.   SWITCH 103S3   TERM   1   IS   GROUND PRESENT? Y ES REMOVE    WIRE    FROM    RELAY 103K4 TERM A1 IS GROUND PRESENT? LOCATE   GROUND   FAULT BETWEEN   RELAY   103K4   AND SWITCH   103S3   ON   WIRES W 5 5 7 - 8 3 3 . 2 2 , W 6 4 5 - 3 3 1 - 22 0R   W591-61-22   REPAIR   OR REPLACE    WIRE    AS    REQUIRED OPEN   NO   1   ENGINE   ACCESS DOORS    DISCONNECT    POWER TURBINE   ACTUATOR   PLUG CHECK    FOR    GROUND    FAULT ON   RELAY   103K4   TERM   B2   IS GROUND    PRESENT? REPLACE   RELAY   103K4 DISCONNECT    ENGINE    TO AIRFRAME   PLUG   AT DISCONNECT   SHELF   IS GROUND    STILL    PRESENT    ON RELAY   103K4   TERM   B2? LOCATE    GROUND    FAULT    BE TWEEN    RELAY    103K4    AND DISCONNECT    SHELF    PLUG 300J33    ON    WIRE    W591-32- 22   REPAIR   OR   REPLACE   WIRE AS   REQUIRED NO REPLACE    NO    1    ENGINE POWER    TURBINE    ACTUATOR REPLACE   ENGINE   TO AIRFRAME   HARNESS LOCATE   GROUND   FAULT BETWEEN    SWITCH    103S3    AND CB   103CB3   ON   WIRES   W550- 1 7 9 - 2 2      W 6 4 5 - 3 0 6 - 2 2 , W 5 5 7 - 828-22    OR    W577-830-22 REPAIR   OR   REPLACE   WIRE   AS REQUIRED REPLACE   NO   1   EMERGENCY ENGINE   TRIM   CB   103CB3 GO  TO  NEXT  PAGE 4-132 Change 1







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