TM 5-2420-230-24-2
Cylinder Head - Precheck Before Disassembly (2-01)
Cylinder Head - Group 2
Page 2-6
B Series Shop Manual
Cylinder Head - Precheck Before
Disassembly (2-01)
Clean the cylinder head with solvent.
Visually inspect the cylinder head for obvious damage
that would prohibit reuse. Check for cracks and damage
to the combustion face that would result in loss of sealing.
Cylinder Head - Disassembly (2-02)
Mark the valves to identify their position.
Compress the valve spring and remove the valve stem
collets.