ENGINE
24
OVERHAUL
3.Lightly lubricate the tool with engine oil.
4.Insert pilot into valve guide from combustion
chamber side of cylinder head until shoulder of
pilot contacts guide.
5.Check that collet is fully inserted into valve
guide and expand collet against the guide
using a suitable tommy bar.
6.Assemble the 45°cutter,MS621(exhaust
valves) and 60°cutter,MS627(inlet valves) to
toolLRT-12-501.
7.Position toolLRT-12-501and appropriate
cutter to valve seat insert to be refaced.
8.Using the Allen key, adjust position of cutter so
that centre of cutter contacts area of seat insert
to be cut.
