HAIMA 7 - Check of Valve Spring

Cylinder head and valve mechanisms
57
Check of valve spring
1. Apply the pressure on the valve spring. Check the spring height. Replace the valve spring
when necessary
Pressure: 203～225N{20.71～22.95kgf, 45.68～50.631bf}
Standard height: 38.8mm {1.528in}
2. Measure the perpendicularity of valve spring. If the perpendicularity exceeded the
standard, replace the valve spring.
Max. perpendicularity of valve spring: 1.86mm {0.073in}