Page 410 - Foton Workshop Manual - Aumark (BJ1099)

12B-120 ENGINE MECHANICAL - VALVE

ADJUSTMENT

1. Check the clearance of the valve(without
removing the timing mechanism )
(a). Remove the camshaft hood.(Refer
To"Chapter 12B Engine Mechanical
Systerm- Camshaft,Replacing")
(b). Remove the spark plug with the spark plug
sleeve.

(c). Insert a long bamboo stick or something
similar through the spark plug of No.1
cylinder.
(d). Rotate the crankshaft and observe the
height of the bamboo stick. Stop rotating
when the bamboo stick reaches the highest
position.

(e). At this time, watch from the front to the
back and observe the protruding position
of the intake / exhaust camshaft of No.1
cylinder as shown in the fig. to identify the
piston is on the top dead center of the No.1
cylinder compression stroke.
NOTICE:
If the protruding position of the No.1 cylinder
camshaft is at the position shown in the fig., it
means that the piston is at the top dead center of
the No.1 cylinder compression stroke.

Page 410