Yanmar 3TNV82A-B, Service Manual, Page: 212 / 394

ENGINE
6-80
TNV DI Service Manual
Crankshaft and Camshaft Components
Removal of Crankshaft
1. Remove the flywheel (Figure 6-104, (1)) from
the crankshaft.
2. Remove the bolts from the rear oil seal
assembly (Figure 6-104, (2-3)). Remove the
assembly from the engine.
Figure 6-104
3. Before removing the main bearing caps,
measure the crankshaft end play. Use either of
the following two methods.
• Method A: Install a dial gauge
(Figure 6-105, (1)) on the cylinder block. Move
the crankshaft (Figure 6-105, (2)) in and out to
measure the end play. Record the
measurement.
Figure 6-105
• Method B: Use a feeler gauge to measure the
clearance (Figure 6-106, (3)) between the
thrust bearing (Figure 6-106, (1)) and
crankshaft (Figure 6-106, (2)). Record the
measurement. See Thrust Bearing on
page 6-15 for the service limit.
Figure 6-106
(2)
0001707A
(1)
(3)
(1)
(2)
0001961
(1)
(2)
(3)
0001962
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