Page 407 - Foton Workshop Manual - Sauvana

ENGINE MECHANICAL - VALVE 12B-117

(e). Measure the length of the valve spring in
the free state with the vernier caliper.
Standard values:43.1mm
Limit value:42.1mm
NOTICE:
If the length measured is lower than the limit
value, replace the valve spring.

12B

(f). Check the perpendicularity of each valve
spring.
Standard value:<2°
Limit value:4°
NOTICE:
If measured value exceeds the limit value, replace
the valve spring.

(g). Check whether the working surface and the
valve stem of each valve are worn or
deformed.
NOTICE:
If it is, maintain them, and replace the valve if
necessary.

Page 407