TM 55-4920-442-13 & P
3-65. Cooler - Inspect (cont)
1. With power off, turn fan by hand to check for freedom of movement and secure mounting.
2. Check that fan hub is secure to shaft. Shaft to be flush with or protrude slightly from the fan hub.
3. Check for leaks.
4. Check that core of cooler is free from dirt.
5. Check for damaged core sections.
END OF TASK