Kohler COMMAND CH18-745 User Manual download pdf (Page 26)

3.5

Section 3

Troubleshooting

Leakdown Test Results

Air escaping from crankcase breather ...................................................Defective rings or worn cylinder.

Air escaping from exhaust system.........................................................Defective exhaust valve.

Air escaping from carburetor .................................................................Defective intake valve.

Gauge reading in “low” (green) zone .....................................................Piston rings and cylinder in good condition.

Gauge reading in “moderate” (yellow) zone ...........................................Engine is still usable, but there is some

wear present. Customer should start

planning for overhaul or replacement.

Gauge reading in “high” (red) zone........................................................ Rings and/or cylinder have considerable

wear. Engine should be reconditioned or

replaced.

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Kohler COMMAND CH18-745 User Manual Page 26