Komatsu PC700LC-11, Operation & Maintenance Manual

Page: 94 / 442

OVERLOAD CAUTION LAMP
When carrying out lifting operations, always set the machine to
L mode and engage the overload caution isolation switch. This
sets the machine to optimum operating conditions and enables
the overload warning device. Warning of overload condition
(monitor panel warning display and buzzer sounding) will only
function when in L mode.
This monitor warns that the machine is close to tipping due to
the load (an audible warning is also given), if the warning is giv-
en, lower the load.
Check that the load is within the capacity limit shown in the lift-
ed load capacity chart inside the cab.
MAINTENANCE TIME CAUTION LAMP
Maintenance time caution lamp displays notices and alarms
concerning maintenance time.
This monitor lights up when the starting switch is turned to
“ON” position. It goes out after 30 seconds and the display
changes to the standard screen.
When the due time is over
The caution lamp lights up in red.
The maintenance time is over.
If no action is taken, the machine performance will become
worse and the machine life will be shortened.
Perform necessary maintenance as soon as possible.
When giving the notice of the due time
The warning lamp lights up in yellow.
The maintenance time is approaching.
Prepare necessary parts for the maintenance.
EXPLANATION OF COMPONENTS OPERATION
3-28