Kubota L4400, Workshop Manual

Page: 89 / 385

1-S6
L4400 , WSM ENGINE
ENGINE BODY (Continued)
W11174020
Item Factory Specification Allowable Limit
Camshaft Side Clearance 0.07 to 0.22 mm
0.0028 to 0.0087 in.
0.3 mm
0.0118 in.
Camshaft Alignment – 0.01 mm
0.0004 in.
Cam Height
(Intake / Exhaust) 33.47 mm
1.3177 in. 33.42 mm
1.3157 in.
Camshaft Journal to Cylinder Block Bore
Camshaft Journal
Cylinder Block Bore
Clearance
O.D.
I.D.
0.500 to 0.091 mm
0.00197 to 0.00358 in.
39.934 to 39.950 mm
1.57221 to 1.57284 in.
40.000 to 40.025 mm
1.57480 to 1.57579 in.
0.15 mm
0.0059 in.
–
–
Piston Pin Bore I.D. 25.000 to 25.013 mm
0.98425 to 0.98476 in.
25.05 mm
0.9862 in.
Second RIng to Ring Groove Clearance 0.093 to 0.128 mm
0.0037 to 0.0050 in.
0.2 mm
0.0079 in.
Oil Ring to Ring Groove Clearance 0.020 to 0.060 mm
0.0079 to 0.0024 in.
0.15 mm
0.0059 in.
Top Ring Ring Gap 0.30 to 0.45 mm
0.0118 to 0.0177 in.
1.25 mm
0.0492 in.
Second Ring Ring Gap 0.30 to 0.45 mm
0.0118 to 0.0177 in.
1.25 mm
0.0492 in.
Oil Ring Ring Gap 0.25 to 0.45 mm
0.0098 to 0.0177 in.
1.25 mm
0.0492 in.
Connecting Rod Alignment – 0.05 mm
0.0020 in.
Piston Pin to Small End Bushing
Piston Pin
Small End Bushing
Clearance
O.D.
I.D.
0.014 to 0.038 mm
0.00055 to 0.00150 in.
25.002 to 25.011 mm
0.98433 to 0.98468 in.
25.025 to 25.040 mm
0.98523 to 0.98582 in.
0.15 mm
0.0059 in.
–
–
Crankshaft Alignment – 0.08 mm
0.0031 in.
Crankshaft Journal to Crankshaft Bearing 1
Crankshaft Journal
Crankshaft Bearing 1
Oil Clearance
O.D.
I.D.
0.040 to 0.118 mm
0.00157 to 0.00465 in.
59.921 to 59.940 mm
2.35909 to 2.35984 in.
59.980 to 60.039 mm
2.36142 to 2.36374 in.
0.20 mm
0.0079 in.
–
–
KiSC issued 07, 2007 A
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