properly functioning exhaust system is critical to flight safety, if not, the
following may occur:
Loss of engine
for checking your exhaust system
shrouds and shields from the muffler and stacks to permit full inspection
Look for signs of
next to the exhaust system for signs of exhaust soot.
exhaust components for red, black or gray stains around welds, clamps and
for proper fit.
Inspect all surfaces for bulges, distortions, and cracks.
Examine bends in
pipes for pitting and thinning of material.
Use a awl to
probe material in suspected weak spots
Use a flashlight
to shine into pipes for inspection
Use a Borescope
to examine internal components
missing heat studs, fins or other heat sink material can cause uneven heating of
the muffler surface and lead to holes in the muffler can.
Baffles- Look to
see if the muffler has internal baffles or tubes.
If they are damaged or missing replace the muffler.
Broken baffles may become dislodged and restrict the outlet and cause
carefully inspect internal components for wear, pitting, cracks, broken baffles,
corrosion may be occurring on a component that looks good externally.
Donít force fit
any parts, cracking will occur and shorten component service life.
Do not reuse
gaskets- AWI has most of the common gaskets in stock.
Make sure that all parts are properly aligned, first
loosely mount on aircraft then tighten all connectors to OEM specifications,
retighten after a hot run.
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