ENGINE
6-44
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
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.
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.
Figure 6-61
(1)
(2)
00021
8
9
(2)
(1)
000219
3
00021
8
1A
(2)
(1)
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