Page 461 - Foton Workshop Manual - Sauvana

ENGINE MECHANICAL SYSTEM - CYLINDER HEAD SYSTEM 12C-21

(d). Check the gap between the valve and the
guide pipe.
•Use the hole gauge to measure the
internal diameter of the valve guide pipe.

Measurement item Size (mm)

Internal diameter of valve 6 ~ 6.015
guide pipe

If not within the specified range, replace
fuwx12C054
the valve.
(e). Check the gap between the valve and the
guide pipe. 12C
•Use the hole gauge to measure the
internal diameter of the valve guide pipe.

Measurement item Size (mm)

Gap between the intake
valve stem and the guide 0.013 ~ 0.042
pipe
Gap between the exhaust
valve stem and the guide 0.028 ~ 0.057
pipe

If not within the specified range, replace
the valve or valve guide pipe.

12. Install the valve mechanism
(a). Use the rubber hammer to lightly knock the
3
valve oil seal installer ③ , and install the

2 valve oil seal ② in place.
(b). Install the valve stem ① .

1

fuwx12C055

Page 461