QUANCHAI N485D, Руководство по обслуживанию

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4. Assembly of valve train
Note:
Clean the cylinder head carefully before assembly.
Replace the fittings before the bowl type plug is
assembled to ensure good sealing.
A - Cylinder head
B - Bowl type plug
4.1 Assembly of intake and exhaust valves
Assemble the Intake and Exhaust Valve Guide F
firstly, then the Intake Valve Seat G and Exhaust
Valve Seat S, and the Intake Valve H, Exhaust
Valve T, Valve Oil Seal F, Inner Valve Spring D,
Outer Valve Spring C, Upper Seat B of valve
spring, finally the Valve Collet A.
Install the four groups of intake and exhaust
valves properly according to the above
installation requirements.
Note: Install the valve collet by special tools to
avoid damaging the parts. Replace the valve
collet with a new one if necessary.
ANHUI QUANCHAI ENGINE CO., LTD
Clean the cylinder head carefully before assembly.
Replace the fittings before the bowl type plug is
and exhaust valves
Assemble the Intake and Exhaust Valve Guide F
firstly, then the Intake Valve Seat G and Exhaust
Valve Seat S, and the Intake Valve H, Exhaust
Valve T, Valve Oil Seal F, Inner Valve Spring D,
Outer Valve Spring C, Upper Seat B of valve
Install the four groups of intake and exhaust
valves properly according to the above
Note: Install the valve collet by special tools to
avoid damaging the parts. Replace the valve
a new one if necessary.
A - Valve collet
B - Upper seat of valve spring
C - Outer valve spring
D - Inner valve spring
E - Valve oil seal seat
F - Valve guide
G - Intake valve seat
S - Exhaust valve seat
T - Exhaust valve
H - Intake valve
Assembly of valve spring
A B
Upper seat of valve spring