How to carry out fault diagnosis and maintenance of ship crane?

The ship crane may encounter various faults in the course of use, timely fault diagnosis and maintenance elimination is very important to ensure the safe and reliable operation of the equipment. The following are the general fault diagnosis and maintenance troubleshooting steps:

Troubleshooting steps:

Fault description and record:

When a device is abnormal, record the fault in detail, including the time when the fault occurred, device status, and operation process. This helps with subsequent fault diagnosis.

Check the display and indicators:

If the crane is equipped with displays and indicators, check if they show abnormal information or alarms. This could provide some initial clues.

Sensors and monitoring systems:

Check the status of individual sensors and monitoring systems to ensure they are working properly. Sensors may include load sensors, temperature sensors, vibration sensors, etc.

Check the electrical system:

Check electrical systems, including cables, switches, circuit breakers, etc. Find out if the electrical connection is strong and if there is damage or short circuit.

Hydraulic system inspection:

Check the hydraulic system, including hydraulic pumps, valves, pipelines, etc. Pay attention to check the status of the hydraulic oil to ensure that there is no leakage.

Mechanical parts inspection:

Check mechanical parts, including hooks, ropes, gears, bearings, etc. Look for wear, breaks, or other damage.

Control system check:

Check the control system, including remote control, operation panel, control circuit, etc. Ensure that buttons, switches and control elements are in good condition.

Data record analysis:

If the device is equipped with a data recording system, analyze the recorded data to find the time and cause of the failure.

Maintenance exclusion steps:

Fix simple issues:

If you find some simple problems, such as loose bolts, broken cables, etc., repair them in time.

Replacement of damaged parts:

For damaged parts, such as ropes, sensors, electrical components, etc., promptly replace with new parts that meet the specifications.

Lubrication and maintenance:

Perform lubrication and maintenance to ensure that all mechanical components and hydraulic systems work properly. Replace lubricating oil and filter element regularly.

Electrical system repair:

Fixing problems in electrical systems may include repairing cables, replacing damaged switches, checking circuit breakers, etc.

Hydraulic system repair:

Repair problems in the hydraulic system, which may include replacing leaking hydraulic lines, repairing valve failures, etc.

Control system repair:

Fix problems with the control system, which may include adjusting the controller, checking the battery and signal of the remote control, etc.

System recalibration:

After maintenance, the system is recalibrated to ensure that the equipment can work accurately and stably.

Testing and verification:

After the maintenance is completed, the system is tested and verified. Carry out load test, lifting test, etc., to ensure that the equipment is back to normal operation.

Before performing any repair work, the operator should be familiar with the equipment's operating manual and repair manual and follow the instructions provided by the crane manufacturer. If a complex fault cannot be solved, it is recommended that professional technicians carry out maintenance.