Chemico - Grinding Paste Specialists

Otherwise for seating valves:

Apply a small amount of paste to valve seat

Avoid contact of the grinding paste with the valve stem and guide

Grind the valve in the normal manner until a uniform seat of the desired appearance is obtained

If the seat is badly pitted, first use a coarser grade paste then trim with the fine grade

When a satisfactory seat has been obtained, clean off well and degrease with a suitable solvent such as paraffin before valve reassembly

The coarser the grit the harsher the grind, i.e. more scoring