16-54 PROPULSION / ENGINE
ICON A5 / MAINTENANCE MANUAL CHANGE C2
18. Install new M8 copper lock nuts in two places on each header and tighten them incrementally
until header is fully seated, then torque to 133 in-lb.
19. Clean and apply LUBRICANT, ANTI-SEIZE to threads of EGT sensor nut.
20. Attach EGT sensors to AFT header boss and torque to 19 ft-lb (228 in-lb) with a 17 mm wrench.
21. Repeat Steps 2-20 for LH/RH exhaust.
22. Install muffler fairings, tail pipe bezel, lower cowl, and engine cowl. (See “Install Engine Cowlings”
on page 16-16.)
VERIFICATION METHOD:
After installation perform an engine test run in accordance with Engine Test Run paying particular
attention to exhaust leaks.
RELATED INFORMATION:
"Remove Exhaust System" on page 16-49
"Engine Test Run" on page 16-7
16.1.7 Cooling System
16.1.7.1 Inspection Instructions
16.1.7.1.1 Cooling System Inspection
Perform the maintenance inspections on the cooling system.
TASK INFORMATION:
Type of Maintenance
Line
Level of Certification
Owner/Pilot
Task Specific Training Required
No
Special Tools Required
Densimeter or
Glycol Tester
Parts Required
None
Aircraft System and Number
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