Kubota SM-E3B Series Workshop Manual page 128

SM-E3B SERIES WSM
Oil Clearance between Crankshaft Journal and Crankshaft
Bearing 1 (Continued)
(Reference)
• Undersize crankshaft bearing 1
Undersize Models
Z482-E3B
D722-E3B
0.20 mm Crankshaft
D782-E3B
0.0079 in. bearing 1 02
Z602-E3B
D902-E3B
Z482-E3B
D722-E3B
0.40 mm Crankshaft
D782-E3B
0.016 in. bearing 1 04
Z602-E3B
D902-E3B
• Undersize dimensions of crankshaft journal
Undersize Models
Dimension 1.8 to 2.2 mm radius
All models
A 0.071 to 0.086 in.radius
*Dimension
All models
B 0.040 to 0.059 in. relief
Z482-E3B
39.734 to 39.750 mm dia.
D722-E3B
1.5644 to 1.5649 in. dia.
Dimension
D782-E3B
C
Z602-E3B 43.734 to 43.750 mm dia.
D902-E3B 1.7219 to 1.7224 in. dia.
The crankshaft journal must be fine-finished to higher than ∇∇∇∇.
*Holes to be de-burred and edges rounded with 1.0 to 1.5 mm
(0.040 to 0.059 in.) relief.
Replacing Crankshaft Bearing 1
(When removing)
1. Press out the used crankshaft bearing 1 using a crankshaft
bearing 1 replacing tool. (Refer to "SPECIAL TOOLS".)
(When installing)
1. Clean a new crankshaft bearing 1 and crankshaft journal bore,
and apply engine oil to them.
2. Using a crankshaft bearing 1 replacing tool, press in a new
bearing 1 (2) so that its seam (1) directs toward the exhaust
manifold side. (See figure.)
Dimension (A) Factory spec.
(1) Seam
(2) Crankshaft Bearing 1
(3) Cylinder Block
(A) Dimension
(B) 0.37 rad (21 °)
S-67
DIESEL ENGINE
Bearing Code Number
15861-23910
1G460-23910
15861-23920
1G460-23920
0.20 mm
0.0079 in.
1.8 to 2.2 mm radius
0.071 to 0.086 in.radius
1.0 to 1.5 mm relief 1.0 to 1.5 mm relief
0.040 to 0.059 in. relief
39.534 to 39.550 mm dia.
1.5565 to 1.5570 in. dia.
43.534 to 43.550 mm dia.
1.7140 to 1.7145 in. dia.
(0.8S)
0 to 0.3 mm
0 to 0.01 in.
[a] Z482-E3B, D722-E3B, D782-E3B
[b] Z602-E3B, D902-E3B
KiSC issued 03, 2011 A
Marking
020 US
040 US
0.40 mm
0.016 in.
W1044484
W10342000