Crankshaft - wsm Kubota L4100 Workshop Manual

L4100, WSM
(Continued)

(4) Crankshaft

NOTE
• Be sure not to position the gap of piston pin snap ring (3)
facing the piston hollow (13).
• Use new piston pin snap rings when reassembling.
(2) Piston
(3) Piston Pin Snap Ring
(13) Piston Hollow
Flywheel
1. Fit the stopper to the flywheel (1).
2. Remove the all flywheel screws (2).
3. Remove the flywheel (1) slowly.
(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 screws and fit the screws.
Tightening torque Flywheel screw
(1) Flywheel
Bearing Case Cover
1. Remove the bearing case cover mounting screws. First, remove
inside screws (6) and then outside screws (3).
2. Screw two removed screws into the screw hole of bearing case
cover (5) to remove it.
IMPORTANT
• The length of inside screws (6) 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 (5) 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-S38
ENGINE
(A) Good
(B) No Good
9Y1210278ENS0052US0
98.1 to 107 N·m
10.0 to 11.0 kgf·m
72.4 to 79.5 lbf·ft
(2) Flywheel Screw
9Y1210278ENS0053US0
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(5) Bearing Case Cover
(6) Bearing Case Cover Mounting
Screw
(a) Upside
9Y1210278ENS0054US0
KiSC issued 08, 2012 A
(EU)