Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Cylinder Head Machining

Permissible Variation from Flatness of Mating Surface When New and After Machining The stock removal at the cylinder head and at the crankcase of an engine together must not exceed 0.5 mm.	in longitudinal direction	0.08 Millimeter (mm)
	in transverse direction	0.00 Millimeter (mm)
Peak-to-Valley Height of Cylinder Mating Surface		0.006 - 0.014 mm
Test Pressure with Air Under Water		2 bar