Crankshaft - Kubota M5640SU Workshop Manual

M5640SU, M5640DT-SU, WSM

[6] CRANKSHAFT

Flywheel
1. Fit the stopper to the flywheel (1).
2. At first, remove two pieces of the flywheel screws (2).
3. Insert two pieces of the flywheel guide screws (3) in the holes.
4. Remove the all flywheel screws (2).
5. Remove the flywheel (1) slowly along the flywheel guide screws
(3).
(When reassembling)
• Insert two pieces of the flywheel guide screws.
• Check to see that there are no metal particles left on the
flywheel mounting surfaces.
• Apply engine oil to the threads and the undercut surface of the
flywheel bolt and fit the bolt.
Tightening torque Flywheel screws
(1) Flywheel
(2) Flywheel Screw
Bearing Case Cover
1. Remove the bearing case cover mounting screws. First, remove
inside screws (5) and then outside screws (3).
2. Screw two removed screws into the screw hole of bearing case
cover (6) to remove it.
IMPORTANT
• The length of inside screws (5) and outside screws (3) are
different. Do not take a mistake using inside screws and
outside screws.
(When reassembling)
• Fit the bearing case gasket (1) and the bearing case cover
gasket (2) with correct directions.
• Install the bearing case cover (6) to position the casting mark
"UP" on it upward.
• Apply engine oil to the oil seal lip and take care that it is not
rolled when installing.
• Tighten the bearing case cover mounting screws with even
force on the diagonal line.
Bearing case cover
Tightening torque
mounting screw
(1) Bearing Case Gasket
(2) Bearing Case Cover Gasket
(3) Bearing Case Cover Mounting
Screw
(4) Oil Seal
1-S42
ENGINE
98.1 to 107 N·m
10.0 to 11.0 kgf·m
72.4 to 79.5 lbf·ft
(3) Flywheel Guide Screws
9Y1210365ENS0100US0
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(5) Bearing Case Cover Mounting
Screw
(6) Bearing Case Cover
(a) Upside
9Y1210365ENS0101US0
KiSC issued 07, 2009 A