The contacting part B is the middle of valve
face. But the width is too narrow
The contacting part C is too narrow, and on
the upper edge of valve face
D The contacting part is too narrow and on
the bottom of valve.
5)Grind
.Valve face
.Valve race
Should grind the valve face and valve race
after correcting the valve race or replacing
valve and valve guide pipe.
Grinding procedure of valve face
.Paint a layer of grinding powder
Ensure no grinding power entering the clear-
ance between the valve and valve guide pipe.
Caution
Caution
Reamer assy of valve race
Use
Result
Use reamer of 30¡ã
firstly
Reamer of 45¡ã
Make the contacting part in
the middle and increase
the width
Use
Reamer 45¡ã
Get unified contacting width
1.0mm(0.04 in)
Reamer assy of valve race
Result
Reamer assy of valve race
Use
Result
Reamer 35¡ã
Reamer 45¡ã
Make the contacting part in
the middle and get the con-
tacting width 1.0mm(0.04in)
- 159 -
To Next Page
Loading...
