1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your BST 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 designed for various lifting and transport applications, available in capacities of 1, 2, 3, 5, and 10 tons.
2. Safety Information
WARNING: Failure to follow these safety instructions could result in serious injury or death.
- Always read and understand the entire instruction manual before installation, operation, or maintenance.
- Ensure all operators are properly trained and authorized to use lifting equipment.
- Inspect the hoist, chain, hooks, and control pendant for damage or wear before each use. Do not operate if any defects are found.
- Never exceed the rated load capacity of the hoist.
- Keep hands, feet, and clothing clear of moving parts and the load path.
- Wear appropriate Personal Protective Equipment (PPE), including hard hats, safety shoes, and gloves.
- Ensure the load is properly balanced and secured before lifting.
- Never lift people or loads over people.
- Do not use the hoist in hazardous environments unless specifically designed for such conditions.
- In case of emergency, immediately press the emergency stop button on the control pendant.
3. Product Overview
The BST BDH Electric Chain Hoist is a robust and reliable lifting device designed for industrial applications. It features an electric motor for powered lifting and lowering, controlled via a pendant. The hoist utilizes high-strength G80 or G100 grade chains for durability and safety.
Components
- Hoist Body: Contains the motor, gearbox, and braking system.
- Lifting Chain: High-strength chain for lifting loads.
- Load Hook: Swivel hook with safety latch for attaching loads.
- Chain Bag: Collects excess chain during lifting operations.
- Control Pendant: Handheld unit with buttons for Up, Down, and Emergency Stop.
- Trolley (Optional): Allows horizontal movement along a beam.
Figure 1: BDH Electric Chain Hoist with Control Pendant
Figure 2: Control Pendant Detail
4. Specifications
| Feature | Description |
|---|---|
| Brand Name | BST |
| Model | BDH Electric Chain Hoist |
| Capacities Available | 1 ton, 2 ton, 3 ton, 5 ton, 10 ton |
| DIY Supplies | Electrical |
| Function | Transmission, Transport |
| Standard or Nonstandard | Standard |
| Certification | CE |
| Place of Origin | Henan, Mainland China |
| High-concerned chemical | None |
5. Setup
Proper installation is critical for safe operation. If you are unsure about any step, consult a qualified professional.
Installation Steps:
- Mounting Surface: Ensure the overhead beam or support structure is capable of safely supporting the hoist's weight plus the maximum rated load, with an adequate safety factor.
- Secure Mounting: Attach the hoist securely to the designated mounting point. If using a trolley, ensure it is correctly installed on the I-beam according to its specific instructions.
- Electrical Connection: Connect the hoist to a suitable power supply. Ensure the voltage and frequency match the hoist's requirements (refer to the hoist's label). All electrical work should be performed by a qualified electrician and comply with local codes.
- Chain Inspection: Verify that the lifting chain is free of twists, kinks, or damage. Ensure it is properly seated in the chain sprocket.
- Control Pendant: Ensure the control pendant cable is free from obstruction and will not be pinched during operation.
- Test Run: Before lifting any load, perform a test run with no load. Operate the hoist up and down, and test the emergency stop function.
Figure 3: Hoist Mounted on an Overhead Beam
6. Operating Instructions
Always prioritize safety during operation. Never leave a suspended load unattended.
Operation Steps:
- Pre-Operation Check: Before each use, perform a visual inspection of the hoist, chain, hooks, and control pendant for any signs of damage, wear, or malfunction.
- Secure the Load: Attach the load securely to the load hook, ensuring the safety latch is closed. Distribute the load evenly and ensure it is within the hoist's rated capacity.
- Clear Area: Ensure the area around the hoist and the load path is clear of personnel and obstructions.
- Lifting: Use the 'UP' button on the control pendant to slowly lift the load. Observe the load for stability and balance. If the hoist has a trolley, use the directional buttons to move the load horizontally.
- Lowering: Use the 'DOWN' button on the control pendant to slowly lower the load. Guide the load to its destination, ensuring it is placed safely and securely.
- Emergency Stop: In case of any unexpected movement, malfunction, or danger, immediately press the red 'EMERGENCY STOP' button on the control pendant.
- After Operation: Once the task is complete, raise the hook to a safe height, disconnect power if necessary, and store the control pendant safely.
7. Maintenance
Regular maintenance is essential to ensure the longevity and safe operation of your electric chain hoist.
Maintenance Schedule:
- Daily/Before Use: Visual inspection of the hoist, chain, hooks, and control pendant for any damage, wear, or loose connections. Check for proper function of all buttons and the emergency stop.
- Monthly: Detailed inspection of the lifting chain for elongation, nicks, gouges, or corrosion. Check the load hook for deformation or cracks. Inspect electrical cables for fraying or damage. Lubricate the chain and other moving parts as recommended by the manufacturer (refer to specific lubrication points on the hoist).
- Quarterly: Inspect the brake system for proper function and wear. Check all fasteners for tightness. Inspect the motor and gearbox for unusual noises or excessive heat.
- Annually: A comprehensive inspection by a qualified technician is recommended. This should include load testing and detailed examination of all critical components.
Always disconnect power to the hoist before performing any maintenance or inspection.
8. Troubleshooting
This section provides solutions to common issues you might encounter with your BDH Electric Chain Hoist.
| Problem | Possible Cause & Solution |
|---|---|
| Hoist does not operate |
|
| Load lifts slowly or with difficulty |
|
| Unusual noises during operation |
|
| Brake not holding load |
|
If the problem persists after attempting these solutions, or if you encounter any issue not listed here, contact customer support.
9. User Tips
Based on general best practices for electric chain hoists:
- Smooth Operation: Always operate the hoist with smooth, controlled movements. Avoid sudden starts or stops, especially with heavy loads.
- Load Centering: Try to center the load directly under the hoist to prevent swinging and uneven stress on the equipment.
- Regular Cleaning: Keep the hoist and chain clean from dirt, debris, and corrosive substances to prolong their lifespan.
- Cable Management: Ensure the control pendant cable is not tangled or dragged, which can cause wear and damage.
10. Warranty and Support
For warranty information, technical support, or spare parts, please contact BST customer service. Provide your hoist's model and serial number when contacting support to expedite assistance.
Contact Information:
- Company: Henan Best Chain Industry Co., Ltd.
- WhatsApp: +8619918348730
- Email: 2393500355@qq.com / xinyuliu966@gmail.com