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OPERATION
Inspection After Warm-up
After warming up the engine and hydraulic
oil, perform the checks and inspections
described below, and repair if there is a
problem.
1. Check that the warning lamps and meters
are as follows:
• Are all the warning lamps off?
• Is the water temperature gauge’s needle
within the green range?
2. Check that there are no irregularities in the
exhaust color, sound and vibrations.
3. Set the safety lock lever to the locked
position and check that the operating
levers and boom swing pedal are locked.
5. Slew slowly left and right several times.
6. Travel slowly forward and backward
several times.
Warming Up in Cold Weather
1. Perform the normal warm-up procedure.
2. Set the bucket cylinder at the stroke end
and keep it there.
Do not do this for more than 30 seconds.
3. Repeat step 2 until the bucket operating
speed is normal.
Machine Operation
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