ICON A5 - Page 691

PROPULSION / ENGINE 16-67
CHANGE C2 ICON A5 / MAINTENANCE MANUAL
CHAPTER 16
RELATED INFORMATION:
"Remove Engine Cowlings" on page 16-13
"Install Engine Cowlings" on page 16-16
16.1.7.2.4 Coolant Radiator Removal
Use the following procedure to remove the coolant radiator.
TASK INFORMATION:
Type of Maintenance
Line
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 the ICN1002 induction air hose by loosening its hose clamps and flexing it off the throttle
valve and plenum box fitting.
2. Disconnect the connector from the AAPTS sensor.
3. Disconnect the one ground and two power wires from the starter solenoid.
4. Remove the two hoses at the bottom of the oil thermostat, using a 13/16 wrench to hold the union
fitting in the thermostat and a 7/8 wrench to turn the B-nut.
5. Drain the coolant (See “Engine Coolant Replacement” on page 16-57.), being sure to reinstall the
hose and tighten the hose clamp used in the procedure.
6. Remove the two coolant hoses at the radiator by loosening their hose clamps and pulling the
hoses off the radiator.
7. Use a 3/8 wrench to remove the four AN3C5A bolts and NAS1149C0332R washers that attach
the ICA011701 plenum box to the airframe.
8. Remove the plenum box and place on a clean work surface. Use caution so as to avoid bending
the cooling fins on radiator and oil cooler.