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Download 31tm Fassi - Emerson Crane Hire
Transcript
24.3 Operations to be carried out only by an authorized service center FAULTS CAUSE REMEDIES The crane does not lift the loads indicated on the capacity plate Non efficiency of the pump Replace the pump (main pressure or auxiliary) valves not properly adjusted, or worn Check the pressure, adjust the valves or replace them! Ram seals are not properly fitted Replace the seals The safety check valve the ram is open Replace the valve Oil leaks inside the ram Defective seals, replace them! The crane does not rotate properly Valves controlling the rotation not adjusted Adjust the valves - WITH RACK: Wear of rotation guide shoe Wear of the seals of the rotation cylinder Replace the guide shoe Replace the seals - WITH SLEW RING: Wear of the slew ring Check the slew ring wear, replace if necessary Check the motoreducer group wear, replace if necessary A boom of the crane does not hold up the load and visually lowers Wear of the motoreducer group The extension booms do not completely extend or work jerkily Wear of guide shoes Check the guide shoes wear, replace if necessary Vibrations in crane operations Non efficient pump Check the pump Noteable decrease in movement speed Non efficient pump Check the pump POSSIBLE FAULTS EVOLUTION 24.3
