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APPENDIX C CONDITIONAL INSPECTIONS
CONDITIONAL INSPECTIONS -cont - TM-1-1520-240-10_647

TM-1-1520-240-10 Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-10 C-2 CONDITION 2408-13-1 ENTRY REQUIRED REMARKS Engine oil consumption exceeds 2 quarts per hour. Comment Engine is subjected to sudden stop- page or a sudden reduction in RPM. Comment Engine compressor stall (surge) is experienced. Comment 712 Each time emergency power in- dicator is tripped. Comment Emergency power reaches 30 min- ute cumulative time. Comment When starting or beeping engines, if loud noises or shocks are followed by sudden high increases in engine torque, or if a torquemeter is station- ary at high value after shutdown. Comment Do not restart affected engine. When starting engines, if either en- gine fails to accelerate to flight speed Comment When CO2 is applied to engine inlet or exhaust. Comment When torquemeter is stationary at a high value after shutdown. Comment When the transmission filter bypass button is extended. Comment When a transmission is suspected of excessive oil leakage. Comment When a transmission oil system has been contaminated with hydraulic fluid. Comment When two different types of oil are mixed in the forward, combining, aft, or engine transmissions. Comment Respective transmission oil shall be changed and the system flushed within 6 hours of transmission op- eration. When MIL-H-83282 hydraulic fluid is not available and MIL-H-5606 is used. Indicate quantity added. When rotary wing blade has made contact with a foreign object or when the power train has been subjected to a sudden reduction in RRPM. Comment Helicopter is struck by lightning. Comment When a rotary wing blade has been struck by lightning. Comment When a rotary wing has been flap- ping due to high winds. Comment







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