CYLINDER HEAD - CONTINUED
For general cleaning procedures, see General Maintenance Instructions, page 2-3.
Steps given are typical for all three cylinder heads.
For more complete inspection of cylinder head, polish mating surfaces with crocus
For tagging parts, see General Maintenance Instructions, page 2-3.
7. Cylinder head (1)
a. Using magnetic inspection method, in-
spect for cracks.
If cracks are found, discard cylinder
b . Visually inspect surface near water pas-
sage holes (2) for pits and scratches.
c . Using steel machinists rule, measure
length of pits and scratches.
If pits and scratches are more than
2/32 to 5/32-inch (1.59 to 3.97 mm)
from edge of water hole, discard cyl-
inder head (1).
d. Check for warped mating surfaces.
If cylinder head Is warped, tag
cylinder head for resurfacing. See
steps 24 and 25.
Visually inspect for cracks or burns.
If cracks or bums exist, tag valve
seat for replacement. See steps
26 thru 34.