Kubota G2160, Workshop Manual

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1-S30
G2160, WSM ENGINE
Crankshaft
1. Remove the main bearing case screw 2 (1).
2. Pull out the crankshaft assembly.
(When reassembling)
• Install the crankshaft sub assembly, aligning the screw hole of
main bearing case 2 with the screw hole of cylinder block.
• Apply engine oil to the main bearing case screw 2. And tighten it.
W1031360
Main Bearing Case Assembly
1. Remove the two main bearing case screws 1 (3), and remove the
main bearing case assembly 1 (2), being careful with crankshaft
bearing 2.
2. Remove the main bearing case assembly 2 (1) and 3 (4) 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 case vary, install them in order
of makings (1, 2) from the gear case side.
• Match the alignment numbers (1 or 2) on the main bearing case.
• When installing the main bearing case 2 and 3, face the mark
“FLYWHEEL” to the flywheel.
• Apply engine oil to the bearing case screw 1.
• Confirm that the main bearing case moves smoothly after
tightening the main bearing case screw 1 to the specified torque.
W1031597
Tightening torque Main bearing case screw 2
26.5 to 30.4 N·m
2.7 to 3.1 kgf·m
19.5 to 22.4 ft-lbs
(1) Main Bearing Case Screw 2
Tightening torque Bearing case screw 1
12.7 to 15.7 N·m
1.3 to 1.6 kgf·m
9.4 to 11.6 ft-lbs
(1) Main Bearing Case Assembly 2
(2) Main Bearing Case Assembly 1 (3) Main Bearing Case Screw 1
(4) Main Bearing Case Assembly 3
KiSC issued 11, 2006 A