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 TM 9-2815-226-34-1
m. Cylinde r head resurfacing.
NOTE
If head is scratched, etched, or uneven at gasket contact area, head must be
ground.
(1) Remove all valve seat insets with ST-1279.
(a) Place puller on valve seat insert.
(b) Screw shaft into puller until shaft is tight. This expands puller in seat.
(c) With slide hammer, drive out seat insert.
(2) Secure head on surface grinder.
(3) Measure head with vernier depth gage to determine height. Record height.
(4) If head must be ground to a height less than 4.340 in. (110.236 mm) to remove damage or restore flatness,
discard head.
3-175
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