Page 1438 - Foton Workshop Manual - Tunland (AT)

15-64 ENGINE MECHANICAL - CYLINDER HEAD,VALVE

5 . Take down the valve.

15

6 . Check the valve spring:

(a) Measure the uprightness of the central line of
the spring to the bottom surface. Replace it if
beyond limit.
Maximum skewness: 1.5mm
Free height: 42.6mm

(c) Use the spring tester to compress the valve
spring. When the spring is compressed to
31.583mm, measure the tension of the valve
spring at this time. If the tension is not up to
the standard value, replace the valve.
Standard: 218～242.8 Nm

7 . Check the valve:

Page 1438