Kohler Command Pro CV980 User Manual Page 26

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3.4
Section 3
Troubleshooting
Leakdown Test Results
ȱȱȱȱ .......................................................ȱȱ¢ȱǯ
ȱȱȱ¡ȱ¢ .............................................................ȱ¡ȱȦȱǯ
ȱȱȱ......................................................................ȱȱȦȱǯ
ȱȱȱȃȄȱǻǼȱ£ ........................................................ȱȱȱ¢ȱȱ
condition.
ȱȱȱȃȄȱǻ¢Ǽȱ£............................................Engine is still usable, but there is some
wear present. Customer should start
ȱȱȱȱǯ
ȱȱȱȃȄȱǻǼȱ£...........................................................ȱȦȱ¢ȱȱ
wear. Engine should be reconditioned or
replaced.
ȱ ȱ ȱȱĚ¢ȱȱȱȱǰȱȱȱ
ȱȱȱȱȱȱĚ¢ȱȦȱ
ȱȱȱȱǯȱȱȱ¢ȱȱȱ
ȱȱȱȱȱȱǯȱȱȱ
ȱȱȱȱȱȱȱǰȱȱ¢ȱ
ȱȱȱȱȱ¢ȱȱȱȱȱ
ȱǯȱȱȱȱȱȱȱ
ȱȱěȱȱȱȱȱǯ
4. Install the adapter into the spark plug hole, but
ȱȱĴȱȱȱȱȱȱȱǯ
ȱ śǯȱ ȱȱȱȱȱȱȱśŖȱȱȱȱ
tester.
6. Turn the regulator knob in the increase direction
ǻǼȱȱȱȱȱȱȱȱ¢ȱ
ȃȄȱȱȱȱȱȱȱȱǯ
7. Connect the tester quick-disconnect to the adapter
ȱȱę¢ȱȱȱȱȱǯȱ
ȱȱȱȱȱȱȱȱ
air at the carburetor intake, exhaust outlet, and
crankcase breather.
ȱ Şǯȱ ȱȱȱȱȱȱȱDZ
Compression Test
ȱȱȱȱȱȱȱȱȱ
ǯȱȱ¢ȱȱȱȱ¢ȱȱȱȱ
ȱȱȱȱȱȱǯȱȱȱ
ȱȱȱěǰȱȱȱĴȱȱȱȱȱ
the test. Compression should be at least 160 psi and
ȱȱ¢ȱȱȱŗśƖȱȱ¢ǯ
Cylinder Leakdown Test
ȱ¢ȱȱȱȱȱȱȱȱ
ȱȱȱǯȱ¢ȱ£ȱȱȱ
ȱȱȱ¡ȱȱǰȱ¢ȱȱ
ȱȱȱȱȱȱȱȱȱȱ
¢ǯ
ȱ¢ȱȱȱȱȱ¢ȱǰȱ
¡ȱȱȱȱȱǯȱȱ
ȱȱȱȱȱȱĴȱȱ
adapter hose, and a holding tool.
Leakdown Test Instructions
ȱ ŗǯȱ ȱȱȱȱřȬśȱȱȱȱȱǯ
ȱ Řǯȱ ȱȱȱǻǼȱȱȱȱęȱȱ
engine.
ȱ řǯȱ ȱȱĞȱȱȱȱǻȱ
¢ȱȱǼȱȱȱȱȱȱȱ
the compression stroke. Hold the engine in this
position while testing. The holding tool supplied
ȱȱȱȱȱȱȱȱȱȱȱ
ȱĞȱȱǯȱȱȱȱ
ȱȱȱĞǯȱȱȱřȦŞȈȱȱ
ȱȱȱȦȱȱȱȱǰȱȱȱ
is perpendicular to both the holding tool and
Ğȱǯȱ
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