5. Use a hammer to knock the valve oil seal
installation tool, when a metal crash sound is heard,
take out CH-20012.
6. The methods for installation and assembly of
valve spring are the same. Then install valve, spring,
keeper, top barrel and rocker arm. (when installing
the top barrel, add a little engine oil into the hole).
7. Install camshaft and camshaft bearing shell cover
assembly.
Note:
When installing, remember to differentiate intake
camshaft from exhaust cam. The intake camshaft has a
gear at tail, and pay attention to the diacritical marks on
camshaft bearing shell covers.
8. Installation of camshaft and oil seal
8.1 After adding engine oil on the camshaft bearing
shell, place intake and exhaust camshafts, cover
bearing shell covers properly, install the fixing bolts
for the bearing shell covers, and then use a 10mm
sleeve to hold down the bearing shell covers step by
step (the two bolts on the one and the same bearing
shell cover should be tightened at the same time).
Torque: 8.5±1.5 Nm.
9. Remember to apply sealant to the position as
shown in the figure when installing the first bearing
shell.
10. Tightening order of camshaft bearing shell
cover.
Tighten the camshaft bearing shell cover as shown
in the figure.
Installation of camshaft oil seal:
Apply a little engine oil on the camshaft oil seal,
