Kubota B1830 Workshop Manual page 107

B1830,B2230,B2530,B3030, WSM
Camshaft
Cam Height
Camshaft Journal to Cylinder Block Bore
• Camshaft Journal
• Cylinder Block Bore
Piston Pin Bore
Piston Pin to Small End Bushing
• Piston Pin
• Small End Bushing
Piston Pin to Small End Bushing (Spare
Parts)
• Small End Bushing
Piston Ring Gap [D905-E2]
• Top Ring
• Second Ring
• Oil Ring
Piston Ring Gap [D1005-E2, D1105-E2, V1505-E2]
• Top Ring
• Second Ring
• Oil Ring
Item
Side Clearance
Alignment
Intake
Exhaust
Oil Clearance
O.D.
I.D.
I.D.
Clearance
O.D.
I.D.
Clearance
I.D.
1-S6
Factory Specification
0.07 to 0.22 mm
0.0028 to 0.0087 in.
–
28.80 mm
1.1339 in.
29.0 mm
1.1417 in.
0.050 to 0.091 mm
0.00197 to 0.00358 in.
35.934 to 35.950 mm
1.4147 to 1.4153 in.
36.000 to 36.025 mm
1.4173 to 1.4183 in.
22.000 to 22.013 mm
0.8661 to 0.8667 in.
0.014 to 0.038 mm
0.00055 to 0.00150 in.
22.002 to 22.011 mm
0.8662 to 0.8666 in.
22.025 to 22.040 mm
0.8671 to 0.8677 in.
0.015 to 0.075 mm
0.00059 to 0.00295 in.
22.062 to 22.077 mm
0.7885 to 0.7904 in.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
0.30 to 0.45 mm
0.0118 to 0.0177 in.
0.30 to 0.45 mm
0.0118 to 0.0177 in.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
ENGINE
Allowable Limit
0.30 mm
0.0118 in.
0.01 mm
0.0004 in.
28.75 mm
1.1319 in.
28.95 mm
1.1398 in.
0.15 mm
0.0059 in.
–
–
22.03 mm
0.8673 in.
0.15 mm
0.0059 in.
–
–
0.15 mm
0.0059 in.
–
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
KiSC issued 05, 2012 A