Ch. 6 CYLINDER HEAD & VALVE
6-13
After the valve seat being ground, coat the valve
seat surface with emery and then slightly press
the ground surface.
Clean up all emery coated onto the cylinder and
valve after grind.
Cylinder Head Reassembly
Lubricate the valve stem with engine oil, and
then insert the valve into valve guide.
Install the new valve stem oil seal.
Install the valve springs and retainers.
Caution
The closed coils of valve spring should
face down to combustion chamber
Use a valve cotter remove & assembly tool to
press the valve spring and then remove the
valves.
Caution
To avoid damaging the valve stem and the
cylinder head，in the combustion chamber
place a rag between the valve spring
remover/installer as compressing the valve
spring directly.
Special Service Tool:
Valve cotter remove & assembly tool
Tap the valve stems gently with a plastic
hammer to make sure valve retainer and valve
cotter is settled.
Caution
Place and hold the cylinder head on
working table so that can prevent valve
from being damaged.
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