PROPULSION / ENGINE 16-55
CHANGE C2 ICON A5 / MAINTENANCE MANUAL
13—Propulsion
Consumables
None
1. Open the radiator cap on the expansion tank. The expansion tank is located inside the engine
cowling.
WARNING: The engine must be completely cool before opening the radiator
cap. Do not open the radiator cap when the engine is hot as you
may be severely scalded by pressurized, hot coolant.
2. Check the coolant level. The coolant level must be filled up to the top.
3. Inspect coolant with densimeter or glycol tester. Strongly discolored or thickened coolant must
be replaced.
4. Use only a 50:50 mixture of antifreeze and distilled water in accordance with the approved
engine coolant grades (See “Approved Engine Coolant Grades and Capacity” on page 2-29.) and
replenish as necessary with coolant.
5. Tighten the radiator cap.
NOTE: The radiator cap must be tightened until the stop lug is contacted.
VERIFICATION METHOD:
An engine test run is necessary to verify system is working properly with no leaks. Verify a proper
amount of coolant in the coolant overflow bottle after a full engine run cycle. (See “Approved Engine
Coolant Grades and Capacity” on page 2-29.)
RELATED INFORMATION:
"Approved Engine Coolant Grades and Capacity" on page 2-29
16.1.7.1.2 Oil Cooler and Radiator Condition Inspection
The following should be used for inspecting the oil cooler and radiator for leaks and condition. The
engine cowling needs to be removed for this inspection. See Related Information.
TASK INFORMATION:
Type of Maintenance
Line
Level of Certification
LSA-RM
Task Specific Training Required
No
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