NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform the operations identified with a "0" unless the annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations.
AHAA
Validity : S / N 1 - 9999 05 20 01Page 244
(IA) JUN 01
ATA OPERATIONS Area INSPECTIONS
1st
25 hrs 50
hrs 100
hrs Major Ann. Other
78-00 EXHAUST
78-00 General
78-00 1) Visually inspect the exhaust pipe, the
exchanger (and the muffler if installed), and thoroughly inspect the attach fittings, the casings and welds for cracks. 100 X
78-00 2) 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 X X 0 NOTE 1
78-00 3) Thoroughly inspect the attach fittings, the tubes, the exhaust pipe, the exchanger (and the muffler, if installed). Look for welding defects and cracks on the inner and outer casings - refer to 78-00-00 201. 100 X X 0 NOTE 1
78-00 4) Install the exhaust pipe and the exchanger 100 X X 0 NOTE 1
(and the muffler, if installed) - refer to
78-00-00 201, 21-40-01 201,
78-20-00 201.
78-10 Exhaust manifolds
78-10 1) 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 X X X 0 NOTE 1
78-10 2) Inspect exhaust manifolds for general
condition. 100 X X X 0 NOTE 1
78-20 Muffler
78-20 1) Check the steel wool in the muffler (if
installed) for condition - refer to 100 X X 0 NOTE 1
78-20-00 201.
NOTE : After replacement of the steel wool, this check shall be
performed at 300 hrs, then
every 100 hrs until next
replacement.
NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform the operations identified with a "0" unless the annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：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 1(97)
