Dealing with overload protection damage in an explosion-proof electric hoist requires careful attention to safety and precision in repairs. Here are some steps to address this issue:

1. Safety Precautions

Ensure Power is Off: Before starting any repairs, ensure that the power to the hoist is completely turned off to prevent electrocution or further damage to the equipment.

Lockout/Tagout Procedures: Implement lockout/tagout procedures to prevent accidental energizing of the hoist during repairs.

Personal Protective Equipment (PPE): Wear appropriate PPE, such as gloves, safety glasses, and hearing protection, to protect yourself from potential hazards.

2. Diagnose the Problem

Inspect the Overload Protection Mechanism: Carefully inspect the overload protection mechanism to identify any visible damage or wear.

Check Sensors and Circuits: Verify that the load sensors and related circuits are functioning correctly. Look for any signs of corrosion, loosening, or damage to the wires and connectors.

3. Repair or Replace Damaged Components

Replace Damaged Parts: If any components of the overload protection mechanism are damaged, they should be replaced with new or refurbished parts.

Recalibrate the System: After replacing damaged components, recalibrate the overload protection system to ensure it operates correctly within the hoist's rated capacity.

4. Verify and Test

Functional Testing: Once repairs are complete, conduct functional testing of the overload protection mechanism to ensure it operates as expected.

Load Testing: Perform load testing within the hoist's rated capacity to verify that the overload protection system engages correctly when the load exceeds the limit.

5. Preventive Measures

Regular Maintenance: Schedule regular maintenance checks to inspect and test the overload protection mechanism, as well as other critical components of the hoist.

Operator Training: Ensure that operators are trained on the proper use and limitations of the hoist, including the importance of not exceeding its rated capacity.

Monitor Load Conditions: Use load monitoring devices to continuously monitor the load conditions during operation and alert operators if the load approaches or exceeds the hoist's rated capacity.

6. Documentation and Record Keeping

Document Repairs: Maintain detailed records of all repairs and maintenance performed on the hoist, including the dates, parts replaced, and any test results.

Compliance with Standards: Ensure that all repairs and modifications comply with relevant industry standards and regulations for explosion-proof electric hoists.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment