wsm Kubota L4100, Workshop Manual

Page: 79 / 346

ENGINE L4100, WSM
1-S7
(EU)
CRANKSHAFT
9Y1210278ENS0119US0
CYLINDER
9Y1210278ENS0120US0
OIL PUMP
9Y1210278ENS0121US0
Item Factory Specification Allowable Limit
Crankshaft Side Clearance
Alignment
0.15 to 0.31 mm
0.0059 to 0.012 in.
–
0.5 mm
0.02 in.
0.02 mm
0.0008 in.
Crankpin to Crankpin Bearing
• Crankpin
• Crankpin Bearing
Clearance
O.D.
I.D.
0.025 to 0.087 mm
0.00099 to 0.0034 in.
46.959 to 46.975 mm
1.8488 to 1.8494 in.
47.000 to 47.046 mm
1.8504 to 1.8522 in.
0.20 mm
0.0079 in.
–
–
Crankshaft Journal to Crankshaft Bearing 1
• Crankpin
• Crankpin Bearing1
Clearance
O.D.
I.D.
0.0400 to 0.118 mm
0.00158 to 0.00464 in.
46.959 to 46.975 mm
1.8488 to 1.8494 in.
59.980 to 60.039 mm
2.3615 to 2.3637 in.
0.20 mm
0.0079 in.
–
–
Crankshaft Bearing 1 Dimension 59.921 to 59.940 mm
2.3591 to 2.3598 in.
–
Crankshaft to Crankshaft Bearing 2
• Crankshaft Journal
• Crankshaft Bearing 2
Clearance
O.D.
I.D.
0.0400 to 0.104 mm
0.00158 to 0.00409 in.
59.921 to 59.940 mm
2.3591 to 2.3598 in.
59.980 to 60.025 mm
2.3615 to 2.3631 in.
0.20 mm
0.0079 in.
–
–
Item Factory Specification Allowable Limit
Cylinder Bore
• Standard
• Oversize
I.D.
I.D.
87.000 to 87.022 mm
3.4252 to 3.4260 in.
87.250 to 87.272 mm
3.4351 to 3.4359 in.
87.170 mm
3.4319 in.
87.420 mm
3.4417 in.
Item Factory Specification Allowable Limit
Inner Rotor to Outer Rotor Clearance 0.030 to 0.14 mm
0.0012 to 0.0055 in.
0.20 mm
0.008 in.
Outer Rotor to Pump Body Clearance 0.11 to 0.19 mm
0.0044 to 0.0074 in.
0.25 mm
0.0098 in.
Inner Rotor to Cover Clearance 0.105 to 0.150 mm
0.00414 to 0.00590 in.
0.20 mm
0.008 in.
KiSC issued 08, 2012 A