TM 5-2410-241-23-1
0023
INSPECTING CYLINDER HEAD
00023
1. Remove cylinder head from engine (WP 0103).
2. Inspect cylinder head (Figure 6) for signs of combustion gas or Class III coolant leakage.
3. Clean and inspect cylinder head (WP 0256).
4. Use a straight edge and a feeler gauge to test cylinder head for flatness.
a. Measure from side to side (A). Maximum permissible distortion 0.0012 in. (0.03 mm).
b. Measure from end to end (B). Maximum permissible distortion 0.0020 in. (0.05 mm).
c.
Measure from corner to corner (C). Maximum permissible distortion 0.0020 in. (0.05 mm).
Figure 6. Cylinder Head Flatness Test.
0023
END OF TASK
END OF WORK PACKAGE