Cylinder Head - Kubota D650-B Handbuch

2. DlASSEMBlYAND REASSEMBLY
• ATTENTION: When reassembling, replace all the O-rings and gaskets by new ones.
CYLINDER
HEAD
o
Removing Head Cover
1) Remove the head cover nuts.
2)
Remove the head cover.
(Note for reassembling)
• Check to see if the head cover gasket is not defective.
• To prevent valve stem seizure, apply enough engine oil to
the valve guide and valve stem.
(1) Head cover
f)
Removing Injection Pipes 1,2 and 3
1) Loosen the screws on the pipe clamps.
2) Detach the injection pipes in the order of 1,2 and 3.
(Note for reassembling)
• Send compressed air into the pipes to blowout dust.
Then, reassemble the pipes in the reverse order.
• Tighten the retaining nuts to 15 to 25 Nm (1.5 to 2.5
kgf'm, 11 to 18 fHbs).
m
I njection pipe 1 (4) Pipe clamp
(21 Injection pipe 2 (5) Retaining nuts
(3) 3
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