Kubota L4400, Руководство по ремонту

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1-S32
L4400 , WSM ENGINE
Rocker Arm and Push Rod
1. Remove the rocker arm bracket nuts.
2. Detach the rocker arm assembly (1).
3. Remove the push rods (2).
(When reassembling)
• When putting the push rods (2) onto the tappets (3), check to see
if their ends are properly engaged with the grooves.
IMPORTANT
■
• After installing the rocker arm, be sure to adjust the valve
clearance.
W1021437
Cylinder Head
1. Loosen the pipe clamp, and remove the water return pipe (1).
2. Remove the cylinder head screw in the order of (18) to (1).
3. Lift up the cylinder head (3) to detach.
4. Remove the cylinder head gasket.
(When reassembling)
• Replace the cylinder head gasket with a new one.
• Tighten the cylinder head screws after applying sufficient oil.
• Tighten the cylinder head screws in diagonal sequence starting
from the center.
• Tighten them uniformly, or the head may deform in the long run.
W1025645
Tightening torque Rocker arm bracket screw
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.3 ft-lbs
(1) Rocker Arm Assembly
(2) Push Rod (3) Tappet
Tightening torque Cylinder head screw
93.1 to 98.0 N·m
9.5 to 10.0 kgf·m
68.7 to 72.3 ft-lbs
(1) Return Pipe
A : Gear Case Side
B : Flywheel Side
(18) to (1) : To Loosen
(1) to (18) : To Tighten
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland