Weichai America Corp.
48
1.
If the valve is worn or carbon soot serious sintering and other undesirable phenomena, the
need for valve replacement.
2.
The molybdenum disulfide paste evenly coated on the exhaust valve stem, and then into the
exhaust valve (1) (6) into the cylinder head to ensure that the intake and exhaust valve
sliding in the catheter without block;
3.
Plane into the cylinder head on the plane into the positioning pin, each cylinder head on the
three, asked to hit in the end;
4.
Put the valve stem protective sleeve on the inlet and exhaust valve guide pipe, and then
assemble the valve rod sealing sleeve; before the assembly, you must check the valve rod
sealing sleeve internal spring is intact.
5.
Valve spring (5);
6.
loading valve spring seat, depress the valve spring (5), the valve lock clip (4);
7.
After the valve lock clip is loaded, the rubber hammer is tapped into the exhaust valve so as
to be seated. If the valve seat is not seated or the valve spring is seated (3), the cause should
be excluded.
5.5.5 Maintenance points
Point 1:
Check after demolition
1)
Check the valve stem and valve rod end wear;
2)
Check valve cone is worn or damaged;
3)
Check the valve cone and valve surface arc whether there is coke wear phenomenon.
Point 2:
Assembly
1)
To ensure that the intake and exhaust valve sliding in the catheter without block;
2)
Before assembly, check the valve stem gland internal spring is intact.
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
