ICON A5 MM : Propulsion : Engine : Exhaust System : Maintenance Instructions : Remove Exhaust System (00110+)
Remove Exhaust System (00110+)
100501-01
Use the following procedure to remove components of the Exhaust System.
Applicable Aircraft Serial Numbers
00110+
Type of Maintenance
Line
Type of Certification
LSA-RM
Task Specific Training Required
No
Special Tools Required
None
Parts Required
None
Aircraft System and Number
13—Propulsion
Safety Equipment
As Needed
Consumables
None
Note: 
Most inspections do not require the removal of the FWD headers.
Task Instructions
1. Remove Top Engine Cowl, Outer Muffler Fairings, and Lower Cowls. (Remove Engine Cowlings)
2. If required, remove AFT EGT sensors with a 17mm wrench. If EGT sensors are not removed, place header on top of engine, being careful not to twit or stress EGT wire (header removal in next steps).
3. Remove the two M8 lock nuts securing AFT header to the Engine with a 12 mm socket.
Note: 
M8 lock nuts are not reusable. Discard and replace.
4. Remove AFT header by pulling away from cylinder, careful not to damage cylinder stud threads.
5. Plug the exposed exhaust ports on the Engine.
6. Remove T-15 Torx countersunk screw at FWD corner of Inner Muffler Shield.
7. Remove Muffler/Inner Muffler shield as one assembly separating Muffler from FWD header slip joint.
8. Remove FWD EGT sensors with a 17mm wrench. If EGT sensors are not removed, place header on top of Engine, being careful not to twist or stress EGT wire.
9. Remove the two M8 lock nuts securing FWD header to the engine with a 12mm socket.
10. Remove FWD header by pulling away from cylinder, being careful not to damage cylinder stud.
11. Plug the exposed Exhaust Ports on the Engine.
12. Repeat steps 2-11 for the LH/RH Exhaust.
Verification Method
The task is complete when required exhaust components are removed.