Kohler Command Pro CV980 User Manual download pdf (Page 25)

3.3

Section 3

Troubleshooting

ȱȱȱȱȱȱȱȱȱȱ

the engine is reassembled and placed into operation.

ȱȱȱȱȱȱȱ¢ȱ

ȱȱȱȱȱȱȱǯ

Basic Engine Tests

Crankcase Vacuum Test

ȱȱȱȱȱȱȱȱ

crankcase when the engine is operating. Pressure

ȱȱȱǻ¢ȱȱ¢ȱȱȱȱ

¢ȱȱǼȱȱȱȱȱȱ

ȱȱȱȱǰȱǰȱȱȱȱǯ

ȱȱȱȱȱȱȱȱ

ȱȱȱȱȱȱǻȱȱŘǼǯȱ

ȱȱȱȱȱȱǯ

ȱȱȱȱȱȱȱǱ

ȱ ŗǯȱ ȱȱȦȱȱȱȱęȱǯȱȱ

ȱȱȱȱȱȱȱǯȱ

ȱȱȱȱěȱȱȱǯ

2. Start the engine and run at no-load high speed

ǻřŘŖŖȱȱřŝśŖȱǼǯ

ȱ řǯȱ ȱȱȱȱȱȱȱȱȱȱ

tube.

ȱ ȱ ȱȱȱȱȱȱȱȱȱȱ

ȱ10.2 cm (4 in.) ȱȱȱȱȱȱǯ

ȱ ȱ ȱȱȱȱȱȱȱȱȱȱęȱ

ǻȦȱǼǰȱȱȱȱȱȱȱȱ

ȱȱȱȱȱȱȱȱȱǻǼǰȱ

ȱȱȱȱȱȱȱǯ

ȱ Śǯȱ ȱȱȬěȱȱbefore stopping the

engine.

ȱȱȱȱȱȱȱȦ

ȱȱȱǻȱȱŘǼǱ

ȱ ŗǯȱ ȱȱȱȱȱęȱȦǯ

ȱ Řǯȱ ȱȱȱȱȱȱęȦȱȱ

opening.

ȱ řǯȱ ȱȱȱęĴȱȱȱȱ¢ȱȱ

the hole in the adapter.

4. Start the engine and bring it up to operating

ȱǻřŘŖŖȬřŜŖŖȱǼǯ

ȱ śǯȱ ȱȱȱȱȱǯȱȱȱȱ

is to the ĞȱȱȃŖȄȱȱȱǰȱȱȱ

ȱȱȱǯȱȱȱȱȱȱ

the rightȱȱȃŖȄȱȱȱǰȱȱȱȱ

present.

ȱ ȱ ȱȱȱȱȱȱȱȱ

Śȱȱȱǯȱȱȱȱȱȱȱ

ęǰȱȱȱȱȱǰȱȱȱ

ȱȱȱȱȱȱǯ

No Crankcase Vacuum/Pressure in Crankcase

Possible Cause Solution

ȱȱȱȱǯ ȱǰȱȱȱ¢ǰȱǰȱ

and recheck pressure

ȱȦȱȱǯȱȱȱ

¢ȱȱǯ

Replace all worn or damaged seals and gaskets. Make sure

ȱȱȱȱ¢ǯȱȱȱȱ

ȱȱȱȱ¢

ȱȱ¢ȱȱ¢ȱȱǻęȱ¢ȱ

ȱǼ

ȱǰȱǰȱ¢ȱǰȱǰȱȱȱ

guides.

Restricted exhaust. ȦȱȱĝȦ¡ȱ¢

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Kohler Command Pro CV980 User Manual Page 25

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