Measuring Distortion Cylinder Block Top Surface - Mitsubishi L Series Service Manual

4.12 Measuring distortion cylinder block top
surface
Refacing of cylinder head should be kept to an abso-
lute minimum.
Excessive grinding of the cylinder head may result in
defects such as defective combustion and stamping
(contact between piston and valve).
Apply a straight edge to the top surface of the cylinder block
and measure its distortion using a feeler gauge.
If the distortion exceeds the limit, grind the cylinder block
using a surface grinder.
Item
Distortion of cylinder block
top surface
Standard Limit
0.05 mm 0.10 mm
[0.0020 in.] or less [0.0039 in.]
INSPECTION AND REPAIR OF BASIC ENGINE
Measuring points and directions
Measuring crankcase top surface distortion
6-19