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Yanmar 6BY User Manual

Yanmar 6BY
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ENGINE
5-62
BY Service Manual
Cylinder Block and Crankshaft
Removal of Crankshaft
1. Remove flywheel housing. See Remove and
Install Flywheel Housing on page 5-42.
2. Remove flywheel. See Removal of Flywheel on
page 5-44.
3. Remove rear crankshaft seal housing. See
Replacement of Rear Crankshaft Seal on
page 5-44.
4. Remove cylinder head. See Removal of
Cylinder Head on page 5-23.
5. Remove timing case cover. See Removing
Timing Case Cover on page 5-52.
6. Remove timing chain. See Removing and
Installing Timing Chain on page 5-52.
7. Remove oil sump, oil suction pipe and strainer,
and the oil pump. See Oil Pump on page 8-17.
Figure 5-103
8. Remove oil deflector (Figure 5-103, (1)).
9. Remove pistons and connecting rods. See
Removal and Disassembly of Piston and
Connecting Rod on page 5-36.
10. Before removing main bearing caps, measure
crankshaft end play.
Figure 5-104
• Mount a dial indicator on the cylinder block.
Move the crankshaft in and out to measure end
play (Figure 5-104).
Specifications
11. Measure bearing oil clearance to help
determine extent of wear. See Measuring Oil
Clearance on page 5-63.
0003797
(
1
)
Inspection Item Specification
Crankshaft End Play
0.060 - 0.250 mm
(0.0024 - 0.0098 in.)

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Yanmar 6BY Specifications

General IconGeneral
BrandYanmar
Model6BY
CategoryEngine
LanguageEnglish

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