1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your BDH Electric Chain Hoist. Please read this manual thoroughly before operating the equipment to ensure proper usage and to prevent injury or damage.
The BDH Electric Chain Hoist is a robust piece of lifting equipment designed for various industrial applications requiring reliable material handling. Manufactured by Henan Best Chain Industry Co., Ltd., these hoists utilize high-precision G80 and G100 grade chains, adhering to national and EU standards for strength and reliability.
2. Safety Instructions
WARNING: Failure to follow these safety instructions may result in serious injury or death.
- Always inspect the hoist, chain, and hooks before each use for any signs of wear, damage, or deformation.
- Do not exceed the rated load capacity of the hoist. Refer to the hoist's label for specific capacity.
- Ensure the load is properly secured and balanced before lifting.
- Never stand directly under a suspended load.
- Keep hands and body clear of moving parts, especially the chain and hook.
- Do not use the hoist if the chain is twisted, kinked, or damaged.
- Ensure the power supply matches the hoist's requirements and is properly grounded.
- Only qualified personnel should operate, install, or maintain the hoist.
- Do not use the hoist for lifting people.
- In case of malfunction, immediately stop operation and disconnect power.
3. Main Components
The BDH Electric Chain Hoist typically consists of the following main components:
- Hoist Body: Contains the motor, gearbox, and braking system.
- Lifting Chain: High-strength G80 or G100 grade chain for lifting loads.
- Load Hook: Swivel hook with safety latch for attaching to the load.
- Chain Bag: Collects the slack chain during lifting operations.
- Control Pendant: Handheld unit with buttons for controlling hoist movement (Up/Down).
- Trolley (Optional): Allows horizontal movement of the hoist along a beam.
4. Installation and Setup
Proper installation is critical for safe operation. Installation should only be performed by trained and qualified personnel.
- Mounting Location: Select a sturdy overhead beam or crane system capable of supporting the hoist's weight plus the maximum rated load.
- Hoist Mounting: Securely attach the hoist to the beam using an appropriate trolley system (if applicable) or fixed suspension. Ensure all bolts and fasteners are tightened to the manufacturer's specifications.
- Electrical Connection: Connect the hoist to a suitable power supply. Verify that the voltage and frequency match the hoist's requirements. Ensure proper grounding to prevent electrical hazards.
- Chain Inspection: Before first use, carefully inspect the entire length of the lifting chain for any damage, twists, or kinks.
- Test Run: Perform a test run without a load to verify proper function of the Up/Down controls, limit switches, and braking system.
5. Operating Instructions
Follow these steps for safe operation of your BDH Electric Chain Hoist:
- Pre-Operation Check: Before each use, perform a visual inspection of the hoist, chain, hooks, and control pendant. Check for any visible damage, wear, or obstructions.
- Secure the Load: Attach the load hook securely to the item to be lifted. Ensure the safety latch on the hook is closed. The load must be balanced to prevent swinging.
- Control Pendant Usage: Use the 'Up' button on the control pendant to lift the load and the 'Down' button to lower it. For hoists with a trolley, use the directional buttons (Left/Right or Forward/Backward) to move the hoist horizontally.
- Smooth Movement: Operate the hoist smoothly. Avoid sudden starts or stops, especially with heavy loads.
- Maintain Clearances: Ensure there is sufficient clearance around the load and hoist during operation.
- Limit Switches: Do not rely solely on limit switches to stop the hoist. Always release the control button before the load reaches its upper or lower limit.
- After Operation: Once the lifting task is complete, lower the hook to a safe resting position and disconnect power if the hoist will not be used for an extended period.
6. Maintenance
Regular maintenance is essential to ensure the longevity and safe operation of your electric chain hoist.
- Lubrication: Periodically lubricate the lifting chain and other moving parts as recommended by the manufacturer. Use appropriate lubricants.
- Chain Inspection: Regularly inspect the chain for wear, corrosion, stretching, or damage. Replace the chain if any defects are found.
- Hook Inspection: Check the load hook for deformation, cracks, or excessive wear. Ensure the safety latch operates correctly.
- Brake System: Inspect the brake system for proper function and adjustment.
- Electrical Components: Check electrical connections, wiring, and control pendant for damage or loose connections.
- Cleaning: Keep the hoist clean and free from dirt, dust, and debris.
- Professional Servicing: Schedule periodic inspections and maintenance by qualified service technicians.
7. Troubleshooting
This section outlines common issues and potential solutions. For complex problems, contact a qualified technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Hoist does not operate | No power supply Emergency stop engaged Motor overload protection tripped Faulty control pendant | Check power connection and circuit breaker Release emergency stop button Allow motor to cool, reduce load Inspect/replace control pendant |
| Hoist lifts slowly or struggles | Overload Low voltage Motor issue | Reduce load Check power supply voltage Contact service technician |
| Unusual noise during operation | Lack of lubrication Worn gears or bearings Loose components | Lubricate moving parts Contact service technician Tighten loose fasteners |
| Load slips or drifts | Brake malfunction Worn clutch | Adjust or replace brake Contact service technician |
8. Specifications
Key technical specifications for the BDH Electric Chain Hoist:
| Feature | Detail |
|---|---|
| Brand Name | BST |
| Model Series | BDH |
| Rated Capacities | 1 ton, 2 ton, 3 ton, 5 ton, 10 ton |
| Place of Origin | Henan, China |
| Function | Transmission, Transport |
| Standard or Nonstandard | Standard |
| Certification | CE |
| DIY Supplies Category | Electrical |
| Chain Grade | G80, G100 (High-precision hoist chain) |
9. Frequently Asked Questions (FAQ)
- Q1: Who manufactures the BDH Electric Chain Hoist?
- A1: The BDH Electric Chain Hoist is manufactured by Henan Best Chain Industry Co., Ltd.
- Q2: How is the quality of the hoist guaranteed?
- A2: Quality is guaranteed through a pre-production sample process and a final inspection before shipment.
- Q3: What types of chains are used in these hoists?
- A3: The hoists utilize high-strength G80 and G100 grade chains, designed to meet a breaking force of 4WLL (Working Load Limit).
- Q4: What is the primary function of this equipment?
- A4: Its primary function is for transmission and transport in lifting applications.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the manufacturer directly. Ensure you have your product model and serial number available when contacting support.
Manufacturer Contact:
Henan Best Chain Industry Co., Ltd.
Email: 2393500355@qq.com / xinyuliu966@gmail.com
