26
Assembly of cylinder head
Install oil drip pan onto valve guiding tube before
installing valve.
Spread lubricant on rod of air intake and exhaust
valves, and then install into guiding tube. Install
valve spring and its seat.
Caution: Spring
’s end with small pitch face to
cylinder head when it is installing.
Press down valve spring by valve puller, and then
install clip into valve spring seat.
Caution: For avoiding permanent distorsion, no
excessive compressing on spring is allowed, only
need it is enough to contain lock clip of valve.
Slightly knock the end of valve rod by plastic hammer
for ensuring firm installation in groove.
Installation for cylinder head
Clean up plane of cylinder after cylinder gasket
Removed, and then install new gasket and positioning
pin.
Caution: No dust or impurity enter into
cylinder is allowed.
1.Install new gasket and locating pin
2.Install bolt A, B, and washer on cylinder head.
3.Install bolts connect cylinder body.
4.Install adjustment washer and tappet rod of valve.
5.Install camshaft
6.Install positioning pin and bracket of cam.
7.Install tensioner.
Caution: Fasten bolt A and B first, and start from the
position of positioning pin, and by the turns of diagonal
cross; After smooth and flat plying-up, fasten bolt
A and B by torque of (45~45)N
·
m, and then fasten
by torque of (50~55) N
·
m, and finally fasten bolt
for connective of M6.
Spread engine lubricant on tappet rod of valve,
camshaft and neck of cam. Aline the timing mark
when installing camshaft.