Page 402 - Foton Workshop Manual - Sauvana

12B-112 ENGINE MECHANICAL - CYLINDER HEAD

INSPECTION

1. Check the cylinder head bolt
(a). Check whether the wire tooth of the
cylinder head bolt is damaged.
NOTICE:
If it is damaged, replace the cylinder head bolt.

(b). Measure the length of the cylinder head
bolt A.
NOTICE:
If the measured length exceeds the limit value of
the bolt length, replace the cylinder head bolt.
(c). Measure the outside diameter B at the
position as shown in the fig.
(d). Measure the smaller outside diameter C at
the position as shown in the figure.
Limit value:0.15mm
NOTICE:
If the difference value between BandC, exceeds
the limit value, replace the cylinder head bolt.

2. Check the cylinder head
(a). Check whether there are cracks on the
cylinder head.
NOTICE:
• If there are cracks, replace the cylinder head.
• The dye-penetrant method can be used to check
the cylinder head.
• The emphasis of the checkup is combustion
chamber, intake, exhaust, cylinder surface and
the top of the cylinder head.

Page 402