TB 20 MAINTENANCE MANUAL 05 TIME LIMITS MAINTENANCE CHECKS TB20飞机维护手册 05 时间限制维护检查 2(44)

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79-30 69) Visually inspect attach fittings, lines, connections,
pressure transmitter and oil temperature probe for routing and condition. 000  
71-10 70) Visually inspect the attach fittings, the engine bulkheads and the baffles for integrity and security. 100  
71-60 71) Visually inspect the inlet pipes, the manifolds and their attach fittings. 100  
71-60 72) Visually inspect the hoses (corrugated hoses). 100  
71-60 73) Visually inspect the air filter(s) - refer to the spare filter package instructions. 100  
71-60 74) Replace the air filter(s). 100 1 year 
71-60 75) Visually inspect the deflectors, the inlet box and the air intake flap ; clean if necessary. Inspect for cracks and distortion, and check the attach fittings for condition. 100  
71-60 76) Perform an operational test of the air intake flap. 100  

AIAA
Validity : S / N 1 - 9999 05-20-05 (JA) Page 229
JUN 01
 

ATA "80A" MAJOR INSPECTION
ENGINE COMPARTMENT INSPECTION (AREA 100) AREA OTHER
INSPECTION PERFORMED
BY
78-00 77) Remove the heat exchanger and the exhaust pipe (and the muffler, if installed) - refer to 21-40-01 201,
78-00-00 201, 78-20-00 201. 100  
78-00 78) Thoroughly inspect the attach fittings, the tubes, the exhaust pipe, the exchanger (and the muffler, if installed). 100  
 Look for welding defects and cracks on the inner and outer casings - refer to 78-00-00 201.   
78-10 79) Check attaching flanges at exhaust outlets on cylinder for evidence of leakage. If found loose, the flanges must be removed and machined flat before they are reassembled and tightened. 100  
78-10 80) Inspect exhaust manifolds for general condition. 100  
78-20 81) Check the steel wool in the muffler (if installed) for condition - refer to 78-20-00 201. 100  
 NOTE : After replacement of the steel wool, this check shall be performed at 300 hrs, then every 100 hrs until next replacement.   
78-00 82) Install the exhaust pipe and the exchanger (and the muffler, if installed) - refer to 78-00-00 201,
21-40-01 201, 78-20-00 201. 100  
77-00 83) Visually inspect routing and condition of attach fittings, lines, connections and sensors of : 000  
 - tachometer control system,
- inlet pressure and fuel flow/pressure system.   
77-00 84) Visually inspect routing and condition of attach fittings, wires, connections and sensors of : 000  
　
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