Komatsu Galeo PC800-8 Shop Manual page 840

Hydraulic excavator

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40 Troubleshooting

<Example of troubleshooting> Exhaust gas color is black (incomplete combustion)

Let us assume that a trouble of "Exhaust gas color is black" occurred and we checked the [Questions] and

[Check items] and found the following 3 items to be the causal symptoms; [Exhaust gas color slowly became

black], [Power slowly became weaker], and [Dust indicator is lighting red].

PC800, 850-8

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