If you have used the emergency lowering valve on
the top or bottom ram you must fully extend the
.
If
You must not be able to raise the outriggers with the booms up in the air. If you are, you
must check the boom limit switch and the diverter valve. If you are not able to lift up the
outriggers after lowering the booms. Check the same components
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MAINTENANCE PROCEDURE
38
You should not be able to lift the booms up in the air
unless the outriggers are all down and in full contact
with the ground. If you are you must adjust the outrig-
ger limit switch immediately. If you do go up without
having the outrigger correctly set you will fall over! If
you get a light leg during use, the machine will stop.
Now you must use the Emergency Lower Valves to
come down and re-set the outriggers. Check that the
LED on the ground control panel is working correctly.
Each LED should only come on when the outrigger is
in contact with the ground and under load.
Page 38
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