Kubota D650-B Handbuch Seite 140

f)
Removing Bearing Case Bolt 2
1) Straighten the washers for the bearing case bolt 2.
2) Detach the bearing case bolts.
(Note for reassembling)
• When tightening the main bearing case bolts, align the
direction of the holes so that the crankshaft can be easily
installed.
• Tighten the bearing case bolts 2 to 30 to 34 Nm (3.0 to
3.5 kgf·m, 22 to 25 ft·lbs).
• Securely bend tangs of the washers.
(1)
Bearing case bolt 2
o
Removing Crankshaft
1) Draw out the crankshaft from the back of the crankcase
by lightly tapping it with a copper hammer.
(Note for reassembling)
• Before installing the crankshaft, clean the oil holes in the
crankshaft with compressed air.
o
Removing Main Bearing Case
1) Remove the two mounting bolts for main bearing case
assembly 1.
2) Detach the main bearing case, being careful with the side
and crankshaft bearings.
3) Detach the other bearing cases 2 and 3 in the same
method. Be careful not to mix them up.
(Note for reassembling)
• Clean the oil holes in the main bearing case.
• Install the main bearing case with their side marks toward
the flywheel.
• Be sure to install main bearing 1 with its oil groove facing
outward.
• Tighten the bearing case bolts 1 to 20 to 24 Nm (2.0 to
2.4 kgf·m, 15 to 17 ft-Ibs).
(1) Main bearing case assembly 1
(21 Main bearing case assembly 2
(3) Main bearing case assembly 3
(4) Bearing case bolt 1
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