Yanmar 3TNV82A Service Manual page 201

Crankshaft and Camshaft Components
Removal of Crankshaft
1. Remove the flywheel (Figure 6-101, (1)) from
the crankshaft.
2. Remove the bolts from the rear oil seal
assembly (Figure 6-101, (2-3)). Remove the
assembly from the engine.
(1)
Figure 6-101
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 6-102, (1)) on the cylinder block. Move
the crankshaft (Figure 6-102, (2)) in and out to
measure the end play. Record the
measurement.
(2)
Figure 6-102
TNV DI Service Manual
(2)
(3)
0001707A
(1)
0001961
• Method B: Use a feeler gauge to measure the
clearance (Figure 6-103, (3)) between the
thrust bearing (Figure 6-103, (1)) and
crankshaft (Figure 6-103, (2)). Record the
measurement. See Thrust Bearing on
page 6-14 for the service limit.
Figure 6-103
ENGINE
(1)
(2)
(3)
0001962
6-75