Replacement: Wool Of Muffler Tube - AUTO GYRO CAVALON Manufacturer Maintenance Manual

78-20-00 8-1

REPLACEMENT: WOOL OF MUFFLER TUBE

GENERAL, REFERENCES AND REQUIREMENTS
Task may only be performed by an organization or individual trained and entitled to carry out 'Line Maintenance'!
Secure gyroplane against unauthorized or unintended operation!
Execute procedure only in cold engine condition!
Engine cowlings must be removed, see
SPECIAL TOOLS AND CONSUMABLE MATERIALS
LR IMPORTANT NOTE: Procedure involves parts with limited reusability. Check parts list below
before starting job!
SP IMPORTANT NOTE: Procedure involves spare parts. Check parts list below for ordering
details of affected components!
PRECAUTIONS AND SAFETY MEASURES
WARNING: Risk of severe burns and scalds! Hot engine parts! Always allow engine to cool down to
ambient temperature before start any work!
WARNING: Wear eye protection and mind FOD when removing attachment hardware!
CAUTION: When removing or disassembling make sure to mark all parts so that each and every part of
the component is re-assembled and installed in exactly the same location and orientation!
PROCEDURES
Removal
1 Remove and dispose the locking wire of the hose clamps.
2 Loosen the hinge pin clamp (Fig.1).
3 Before replacing the muffler tube, mark the position so that the muffler tube can be exactly installed in the
same location and orientation.
4 Remove the hose clamps and keep them for the installation procedure (Fig.2). Inspect the hose clamps for
possible damage.
5 Remove and clamp muffler tube in bench vise carefully.
6 Use appropriate tools to drive out the riveting mandrels.
7 Drill out the rivet pin (Fig.3). Then, use appropriate tool to tap out the pin of the rivet
9 Remove the rivet mandrel and rivet heads from the wool if it is left in place. Make sure any metal swarf is
removed.
10 Check the wool. If it is visibly burnt, remove it completely.
11 Install the whole new wool with tension tightly around the pipe (Fig.4).
Installation
Important: Rivet the outer shell to the hot end of the muffler tube.
Effectivity: When the outer shell is riveted to the cold end (Fig.5).
12 When the outer shell is riveted to the cold end, reposition the outer shell so that the outer shell can be riveted
to the hot end (Abb.1).
13 Install the outer shell and mark the position of the four rivet holes.
14 Remove the outer shell and drill four holes. Make sure any metal swarf is removed.
Effectivity: END
MMM-CV-E_16-06-13
Manufacturer
Maintenance Manual
52-00-00 4-1!
Part E - 78-20-00 8-1
AutoGyro
Cavalon
LNE
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