90 0 10 20 30 80 50 60 70 40 EFM2038I O EA0M4048 z The disassembly of valve seat can be pulled out by means of a special tool with the arc welding Valve seat insert done at two points of valve seat z Regarding the valve seat rotating tool or valve seat. Cylinder head assembling, shrink the valve seat by putting it in the dry ices for about 1 hour or so, and then press Welding bead EA3M2032 it into the cylinder head by means of a special tool. z After coating the grinding powder paste on valve head contacting face of valve seat, and after executing a sufficient lapping operation with the rotating and grinding motion of valve, wipe off the grinding agent thoroughly.
Inspection - 66 - Standard Limit 0.65 ~ 0.95 mm 2.5 mm Intake Valve 30° Exhaust Valve 45°