S-82
03-M Series, WSM
DIESEL ENGINE
(4) Crankshaft
Side Clearance of Crankshaft
1. Set a dial indicator with its tip on the end of the crankshaft.
2. Measure the side clearance by moving the crankshaft to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the
thrust bearings.
4. If the same size bearing is useless because of the crankshaft
journal wear, replace it with an oversize one referring to the table
and figure.
(Serial No: below 3R9999)
(Serial No.: above 3S0001)
(Reference)
• Oversize dimensions of crankshaft journal
W1032880
Crankshaft Alignment
1. Support the crankshaft with V blocks on the surface plate at both
end journals.
2. Set a dial indicator with its tip on the intermediate journal.
3. Measure the crankshaft alignment.
4. If the measurement exceeds the allowable limit, replace the
crankshaft.
W1033001
Crankshaft side
clearance
Factory
spec.
D1503-M
D1703-M
V2203-M
0.15 to 0.35 mm
0.0059 to 0.0138 in.
D1803-M
V2403-M
0.15 to 0.31 mm
0.0059 to 0.0122 in.
Allowable limit
0.5 mm
0.0197 in.
Crankshaft side
clearance
Factory spec.
0.15 to 0.31 mm
0.0059 to 0.0122 in.
Allowable limit
0.5 mm
0.0197 in.
Oversize
0.2 mm
0.008 in.
0.4 mm
0.016 in.
Dimension
A
26.20 to 26.25 mm
1.0315 to 1.0335 in.
26.40 to 26.45 mm
1.0394 to 1.0413 in.
Dimension
B
54.5 to 54.7 mm
2.1457 to 2.1535 in.
54.6 to 54.8 mm
2.1496 to 2.1575 in.
Dimension
C
2.8 to 3.2 mm radius
0.1102 to 0.1260 in. radius
2.8 to 3.2 mm radius
0.1102 to 0.1260 in. radius
(0.8-S)
The crankshaft journal must be fine-finished to higher than
∇∇∇∇
Crankshaft alignment
Allowable limit
0.02 mm
0.00079 in.
KiSC issued 08, 2012 A