Inspecting And Refacing Valve Seats And Valves - Fiat X 1/9 1974 Service Manual

INSPECTING AND REFACING VALVE SEATS
AND VALVES
The valve seats in cylinder head must not have ev-
be refaced as follows:
Make sure grinding stones have a taper of 45° 15'.
1. Mandrel. 2. Stone. 3. Control lever.
4. Tool feed knob. 5. Lock screw. 6. Tool.
7. Graduated scale. 8. Angle adjustment knob.
it and valve guide. Place pilot in valve guide.
Narrow seat width.
er. Carefully narrow seat.