Page 415 - Foton Workshop Manual - Sauvana

ENGINE MECHANICAL - VALVE 12B-125

2. Install the intake / exhaust valve and the
valve oil seal
(a). Install the valve guide.
• Refrigerate the valve guide in the liquid
nitrogen for 2~3 minutes.
• Dash the valve guide into the installation
position of the cylinder head with the
special tools.
• Check the mounting depth of the valve
guide. If it is not in conformity with the
standard valve, adjust the depth of the 12B
valve guide till it is installed to the depth
required.

(b). Install the valve ② .
(c). Install the spring lower seat ① of the valve.
NOTICE:
Spread the engine oil on the valve stem before
installing the valve.

(d). Install the valve oil seal with the valve oil
seal pliers.

Page 415