Cub Cadet Yanmar 3TNV72 User Manual

Page 145

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ENGINE

6-46

TNV IDI Service Manual

Cylinder Block

11. Remove the crankshaft from the engine.

12. Remove the bearing inserts (Figure 6-59, (1))

and thrust bearings (Figure 6-59, (2)).

Note: Do not remove the crankshaft gear

unless the gear or crankshaft are
damaged and require replacement.

Figure 6-59

13. If necessary, remove the crankshaft gear

(Figure 6-60, (1)) and key (Figure 6-60, (2)). If
using a gear puller, be careful not to damage
the threads in the end of the crankshaft.

Figure 6-60

Inspection of Crankshaft and
Camshaft Components

Thoroughly clean all components using a brush
and appropriate solvent. Each part must be free of
carbon, gasket material, metal filings and other
debris.

Note: Record all measurements taken during

inspection.

Replacement of Crankshaft Oil Seals

1. Remove the seal (Figure 6-61, (2)) from the

gear case cover (Figure 6-61, (1)).

2. Apply a continuous bead of ThreeBond Liquid

Gasket No. 1212, Yanmar Part No.
977770-01212 to the outside diameter of a new
oil seal (Figure 6-61, (2)).

3. Install a new seal in the gear case cover with

the lip facing in away from the crankshaft pulley.
Apply lithium grease to the lip of the seal.

(1)

(2)

0002189

(2)

(1)

0002193

A

WARNING

FUME / BURN HAZARD!

• Always read and follow safety related

precautions found on containers of
hazardous substances like parts
cleaners, primers, sealants and
sealant removers.

• Failure to comply could result in death

or serious injury.

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TNV_IDI_ServiceManual_(3TNV72 for YN only).book 46 ページ 2007年11月29日 木曜日 午後2時58分

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