Weichai America Corp.
55
Fig. 4-5 Exploded view of valve
No.
name
No.
name
No.
name
1
Intake valve
3
Valve spring top
seat
5
Valve spring
2
Cylinder head
4
Valve collet
6
Exhaust valve
4.5.2 Pre-assembly Preparation
1.
Equipment condition: valve spring compressor, valve overhead clamp or other equivalent
tools.
2.
Preparation: remove the rocker arm and disassemble the cylinder head from engine block.
4.5.3 Disassembly steps of valve
1.
Use a valve spring compressor, valve overhead clamp or other equivalent tools to press the
valve spring and remove the valve collet, valve spring upper seat and inner/outer valve spring;
2.
Remove the valve from the valve seat.
4.5.4 Assembly steps of valve
If the valve occurs wear, serious sintering, soot deposition and other defects, replace the valve.
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