Komatsu PC400LC-5 Operation & Maintenance Manual page 255

36. PRECAUTIONS FOR MACHINE OPERATION
36.1 PRECAUTIONS DURING OPERATION
For machine with autodeceleration device if the lever is
operated inside the deceleration range, the engrne speed WIII
rise suddenly.
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Turning or operating the work equipment when working on
slopes may cause the machine to lose its balance and turn
over, so avaoid such operations. It is particularly dangerous
to swing downhill when the bucket is loaded.
If such operations have to be carried out, pile soil to make a
platform' on the slope so that the machine can be kept
horizontal when operating.
Never carry out digging operations with the track gauge
retracted.
I I
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It is prohibited to use the swing force for operations.
Be careful not to compact the soil or damage earth mounds as
a result of the swinging force. When swinging, do not dig the bucket
teeth into the soil.
It is prohibited to use the travel force for operations.
Do not move off and excavate with the bucket left
ground.
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dug into the
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Do not carry out operations with the hydraulic cylinder at the end
of its stroke.
When working with the machine, do not move the cylinder to the
end of its stroke but leave a small safety margin.
It is prohibited to use the dropping force of the bucket for opera-
tions.
Do not use the dropping force of the bucket for digging.
Do not use the dropping force of the bucket as a pickaxe, breaker,
or pile driver.
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