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- Exhaust System 101: Inspection Maintenance - Cessna Flyer
All heat deflectors and muffler shrouds should be removed when inspecting exhaust components Bulges or wrinkles on the muffler are signs of overheating and metal fatigue The sidewalls and lower sections of mufflers are prone to deteriorate and become thin
- Aircraft exhaust system inspection and maintenance tips
During inspection of the aircraft muffler, heat deflectors and shrouds should be removed in order to ensure there is no mixing of exhaust gas and cabin air The sidewalls and lower sections of the muffler can be especially prone to deterioration
- AD CF90-03R2 (Heat Muff Inspection) | PDF | Exhaust Gas - Scribd
CF-90-03R2 EXHAUST TYPE CABIN AND COCKPIT HEATERS Applies to exhaust type heat exchangers (muff heaters) used as a source of cabin and cockpit heat Compliance is required: A Before next flight, unless previously accomplished in accordance with Airworthiness Directive CF-90-03R1; and B
- Muffler Inspection - Plane Pilot
Careful inspection for pinholes, cracks and other deterioration—and prompt repair or replacement of affected parts—remains the best defense against an accident caused by an exhaust system problem
- Aircraft Exhaust Inspection: Your Guide to Aviation Safety
An exhaust inspection involves meticulously checking every part of the aircraft exhaust, from the cylinder exhaust ports to the exhaust tailpipe It helps find damage, facilitating repairs to leaky components and parts exposed to hot, corrosive gases
- AC 91-59A - Federal Aviation Administration
Examine the muffler’s end plates (which adapt the connection for the inlet or the outlet) where it is inserted into the muffler shell to find muffler or heat corrosion before it breaks through the outer surface of the muffler
- Exhaust Systems: Inspection and maintenance tips - Aviation Pros
Inspect for damaged or missing heat studs, fins, or other heat sink material These defects can cause uneven heating of the muffler surface and lead to holes in the muffler can
- Aircraft Exhaust System: Inspection and Maintenance
How Do You Inspect Aircraft Exhaust Systems? Signs of overheating and metal fatigue can be observed as creases or protrusions on the muffler and heat deflectors Therefore, these components must be removed for close examination during exhaust inspection, using a bright light or specialized inspection camera
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