1-S39
L2800, L3400, WSM
ENGINE
Main Bearing Case Assembly
1. Remove the two main bearing case screws 1, and remove the
main bearing case assembly being careful with thrust bearing
and crankshaft bearing.
2. Remove the main bearing case 1, 2 as above.
(When reassembling)
• Clean the oil passage in the main bearing case.
• Apply clean engine oil on the bearings.
• Install the main bearing case assemblies in the original positions.
Since diameters of main bearing cases vary, install them in order
of markings A, B from the gear case side.
• Match the alignment numbers (1) and mark (2) on the main
bearing case.
• When installing the main bearing case 1 and 2, face the mark
“FLYWHEEL” to the flywheel.
• Install the thrust bearing with its oil groove facing (6) outward.
• Confirm that the main bearing case moves smoothly after
tightening the main bearing case screw 1 to the specified torque.
W1027366
Tightening torque
Main bearing case screw 1
46.1 to 50.9 N·m
4.7 to 5.2 kgf·m
34.0 to 37.6 ft-lbs
(1) Alignment Number
(2) Alignment Mark
(3) A
(4) B
(5) No Mark
(6) Oil Groove
KiSC issued 08, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland
