TRANSMISSION OIL PRESSURE INDICATING AND WARNING SYSTEM VISUAL CHECK (Continued)

T R A N S M I S S I O N O I L P R E S S U R E I N D I C A T I N G A N D W A R N I NG S Y S T E M V I S U A L C H E C K ( C o n t i n u e d)

T R A N S M I S S I O N O I L P R E S S U R E I N D I C A T I N G A N D W A R N I N G S Y S T E M O P E R A T I O N A L C H E CK

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM 55-1520-240-T 8-9.2 TRANSMISSION OIL PRESSURE INDICATING AND WARNING SYSTEM VISUAL CHECK (Continued) TASK RESULT TASK RESULT CHECK AFT ROTOR SHAFT WARNING SYSTEM INSTALLATION 10. Check oil pressure switch (11). If switch (11) is damaged, replace it. If wiring or electrical connector to switch is damaged, repair or replace it as required. CHECK COMBINING TRANSMISSION OIL PRESSURE indicating AND WARNING SYSTEM INSTALLATION 11. Check pressure transducer (12). If transducer (12) is damaged, replace it, if wiring or electrical connector to transducer is damaged, repair or replace it as required. If hose to transducer is loose or damaged, repair or replace it as required. 12. Check main oil pressure switch (13) If switch (13) is damaged, replace it. If wiring or electrical connector to switch is damaged, repair or replace it as required. 13. Check auxiliary oil pressure If switch (14) is damaged, replace it. If wiring or switch (14). electrical connector to switch is damaged, re- pair or replace it as required. CHECK NO. 1 (LEFT) ENGINE TRANSMISSION OIL PRESSURE indicating AND WARNING SYSTEM INSTALLATION 14. Check pressure transducer (15). If transducer (15) is damaged, replace it. If wiring or electrical connector to transducer is damaged, repair or replace it as required. If hose to transducer is loose or damaged, repair or replace it as required. 8 - 9 . 2 15. Check oil pressure switch (16). If switch (16) is damaged, replace it. If wiring or electrical connector to switch is damaged, repair or replace it as required. CHECK NO. 2 (RIGHT) ENGINE TRANSMISSION OIL PRESSURE INDICATING AND WARNING SYSTEM INSTALLATION 16. Check pressure transducer (17). If transducer (17) is damaged, replace it. If wiring or electrical connector to transducer is damaged, repair or replace it as required. If hose to transducer is loose or damaged, repair or replace it as required. 17. Check oil pressure switch (16). If switch (16) is damaged, replace it. If wiring or electrical connector to switch is damaged, repair or replace it as required. FOLLOW-ON MAINTENANCE: None END OF TASK 8 - 1 5 7

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