Page 459 - Foton Workshop Manual - Sauvana

ENGINE MECHANICAL SYSTEM - CYLINDER HEAD SYSTEM 12C-19

(c). Use the valve oil seal remover to remove
the valve oil seal ( arrow direction ).

fuwx12C049

10. Check the valve spring 12C
(a). Use the vernier caliper to measure the free
length of the vernier caliper.

Measurement item Size (mm)

Free length of valve spring 45.52

If not within the specified range, replace
the valve spring.

fuwx12C050

11. Check the valve
(a). Check the valve length.
•Use the vernier caliper to measure the
α valve seat width A and valve length B.
• ∠α is 45° 10′ ± 10′
A
Measurement item Size (mm)
B
Intake valve seat width A 33.85 ± 0.1
Exhaust valve seat width A 28 ± 0.1
fuwx12C051
Intake valve length B 103.97
Exhaust valve length B 101.87

If not within the specified range, replace
the valve.

Page 459