REPAIR valve gear. Check the status of the valves and guides
Checking the status of the valves and guides
make in the following sequence:
- Valves are taken out of the guides of the cylinder head,
thoroughly clean of sludge and varnish deposits and prmoyte.
For temporary storage of valves should be used wooden
Stand with holes, where
valve inserted his rod;
- When measuring the diameter of the valve, determine the actual
rod and working beat bevel.
Measure the diameter of the valve stem produce a micrometer,
and working beat bevel - a special adaptation
Limit the size of the valve stem, the beating of a valid work
chamfers and diametrical clearance between the hole
in the guide bushing and valve stem are shown in
If the wear of the valve stem than the allowable amount of wear -
replace the valve. The increased beating of the working bevel
the valve must be removed by grinding. Polishing
chamfer is working well and when
on the surface of it there are traces of burn-out, sinks and other
damage. If the wear surface of the hole in the guide
bush than the allowable amount -
Replace the plug.