4. Return Filter Clogged Warning This symbol indicates when the hydraulic return filter is clogged. If this symbol is displayed, immediately stop operation and replace the return filter. After the return filter has been serviced, restart machine operation to remove the warning symbol. FG000054 Figure 60 5. Air Cleaner Clogged Warning This symbol indicates when the air cleaner is clogged. If this symbol is displayed, immediately stop operation and replace or clean the air filter. After the air filter has been serviced, restart machine operation to remove the warning symbol. FG000053 Figure 61 6.
Overload Warning (Optional) If the overload warning switch is turned "ON," and this symbol appears on the screen and the warning buzzer sounds, that indicates that overloaded condition is occurring. Immediately reduce the load. WARNING If this warning appears on the screen and a warning buzzer sound, reduce the load immediately. If you continue to work, the machine can be turned over or damage to hydraulic components and structural parts could occur. FG000253 Figure 62 OP001760 2-29 Operating Controls