Kubota M5040, Workshop Manual

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1-S7
M5040, M6040, M7040, WSM ENGINE
ENGINE BODY (Continued)
W1013874
Item Factory Specification Allowable Limit
Balancer Shaft 1 Journal
Balancer Shaft 1 Journal
Balancer Shaft 1 Bearing
Oil Clearance
O.D.
I.D.
0.060 to 0.146 mm
0.0024 to 0.0057 in.
48.934 to 48.950 mm
1.9265 to 1.9272 in.
49.010 to 49.080 mm
1.9295 to 1.9323 in.
0.2 mm
0.0079 in.
–
–
Balancer Shaft 2 Journal
Balancer Shaft 2 Journal
Balancer Shaft 2 Bearing
Oil Clearance
O.D.
I.D.
0.050 to 0.136 mm
0.0020 to 0.0054 in.
48.934 to 48.950 mm
1.9265 to 1.9272 in.
49.000 to 49.070 mm
1.9291 to 1.9319 in.
0.2 mm
0.0079 in.
–
–
Piston Pin Bore I.D. 28.000 to 28.013 mm
1.1024 to 1.1029 in.
28.05 mm
1.1043 in.
Piston Pin to Small End Bushing
Piston Pin
Small End Bushing
Oil Clearance
O.D.
I.D.
0.020 to 0.040 mm
0.0008 to 0.0016 in.
28.006 to 28.011 mm
1.1026 to 1.1028 in.
28.031 to 28.046 mm
1.1036 to 1.1042 in.
0.15 mm
0.0059 in.
–
–
Connecting Rod Alignment – 0.05 mm
0.0020 in.
Piston Ring Gap Top Ring
Second Ring
Oil Ring
0.25 to 0.40 mm
0.0098 to 0.0157 in.
0.30 to 0.45 mm
0.0118 to 0.0177 in.
0.25 to 0.45 mm
0.0098 to 0.0177 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
Piston Ring to Piston Ring Groove
Top Ring
Second Ring
Oil Ring
Clearance
Clearance
Clearance
0.050 to 0.090 mm
0.0020 to 0.0035 in.
0.090 to 0.120 mm
0.0035 to 0.0047 in.
0.020 to 0.060 mm
0.0008 to 0.0023 in.
0.15 mm
0.0059 in.
0.20 mm
0.0079 in.
0.15 mm
0.0059 in.
KiSC issued 06, 2008 A