KEEWAY ATV300, Руководство пользователя

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42
After the valve seat ground, coat valve seat
surface with emery and then slightly press
the ground surface.
Clean up all emery coated onto cylinder and
valve after ground
48
6-8 Cylinder Head Reassembly
Lubricate valve stem with engine oil, and
then insert the valve into valve guide.
Install new valve stem oil seal.
Install valve springs and retainers
Caution
Use a valve cotter remove & assembly tool to press the
valve spring, and then remove valves
Caution
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
The closed coils of valve spring should
face down to combustion chamber.
In order 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 springdirectly.
Place and hold cylinder head on to working
table so that can prevent from valve
damaged.
Valve cotter remove
and assembly tool