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POWR
5270
CYLINDER HEADS
5280
5290
2. Measure:
• Cylinder head warpage
(with a straightedge and thickness
gauge)
Out of specification → Resurface or
replace.
Warpage limit
0.1 mm (0.004 in)
Resurfacing steps
(1) Place a 400 - 600 grit wet sandpaper on
the surface plate.
(2) Resurface the cylinder head by moving
it in a figure-eight motion along the
sandpaper.
NOTE:
Rotate the cylinder head several times to
ensure an even surface.
5-39
E
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