wc_tx003048gb.fm
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Maintenance BS 50-2
5.7 Cleaning the Engine Cooling Fins
When
Every week, or every 25 hours (whichever comes first)
Background
Clean engine cooling fins allow fresh air to freely circulate around the combustion
chamber. Free air circulation is necessary to prevent the engine from overheating.
Requirements
Engine stopped and cool to the touch
Compressed air
Procedure
Perform the procedure below to clean the engine cooling fins.
1. Locate the engine cooling fins (a).
2. Use compressed air to blow dirt and debris off the engine cooling fins.
Result
The engine cooling fins have been cleaned.
wc_gr008987
a