ICON A5 - Page 674

16-50 PROPULSION / ENGINE
ICON A5 / MAINTENANCE MANUAL CHANGE C2
CHAPTER 16
Level of Certification
LSA-RM
Task Specific Training Required
No
Special Tools Required
None
Parts Required
None
Aircraft System and Number
13—Propulsion
Consumables
None
TASK INSTRUCTIONS:
1. Remove muffler fairings, tail pipe bezel, lower cowl, and engine cowl. (See “Remove Engine Cowl-
ings” on page 16-13.)
2. Remove AFT EGT sensors with a 17mm wrench. (See Figure 16-30.)
3. Remove the two M8 nuts securing AFT header to the engine with a 12 mm wrench. Anti-seize
should be present on slip joint into cylinder and slip joint at FWD Muffler. (See Figure 16-31.)
FIGURE 16-31
AFT EXHAUST HEADER AND EGT SENSOR
4. Remove AFT muffler/header pipe sub-assembly by sliding them aft. Use torch on the slip joint to
aid in removal as necessary.
5. Plug the exposed exhaust ports on the engine.
6. Remove #15 Torx countersunk screw to remove muffler shields (inner cowl).
7. Remove FWD EGT sensor with a 17 mm wrench.
8. Remove 2x clamps holding FWD header heat shield in place.
9. Remove bracket from the engine and FWD header using a 7/16” socket, 5/16” socket and 5 mm
hex key. Install the M6 screw, washer, and wire harness clamp. (See Figure 16-32.)