Kubota M5040 Workshop Manual page 156

M5040, M6040, M7040, WSM
Injection Nozzle Oil Seal (if necessary)
1. Remove the injection nozzle oil seal (2) from cylinder head cover
(1).
(When reassembling)
• When installing the injection nozzle oil seal, use new one.
(1) Cylinder Head Cover
Cylinder Head
1. Remove the cylinder head screw in the order of (10) to (1), and
remove the cylinder head.
2. Remove the cylinder head gasket.
(When reassembling)
• Replace the head gasket with a new one.
• When mounting the gasket, set it to the knock pin hole. Take
care not to mount it reversely.
• The cylinder head should be free of scratches and dust.
• Take care for handling the gasket not to damage it.
• Install the cylinder head.
• Tighten the cylinder head screw gradually in the order of (1) to
(10) after applying engine oil.
• Be sure to adjust the valve clearance.
Clearance".
• It is not necessary to retighten the cylinder head screw after
running the engine for 30 minutes.
IMPORTANT
• When replacing a piston, piston pin bush, connecting rod or
crankpin bearing, select the cylinder head gasket thickness
to meet with the top clearance refer to the "Selecting
Cylinder Head Gasket".
Cylinder head mounting
Tightening torque
screw
A : Front Cover Side
1-S30
ENGINE
(2) Injection Nozzle Oil Seal
W1054100
See the "Valve
186.3 to 196.1 N·m
19.0 to 20.0 kgf·m
137.4 to 144.6 lbf·ft
B : Flywheel Housing Side
W1170923
KiSC issued 06, 2008 A