Harnessing the power of mechanical leverage, the come-along, also known as a puller, stands as an invaluable tool for a myriad of tasks requiring the application of controlled force. Its versatility extends from construction and rigging to heavy-duty recovery operations, making it a mainstay in the arsenals of professionals and enthusiasts alike. Mastering the art of using a come-along empowers you to tackle demanding lifting, pulling, and tensioning challenges with precision and efficiency.
Operating a come-along entails a meticulous sequence of steps, each crucial for ensuring both safety and optimal performance. Commence by selecting an appropriate anchor point, a sturdy object capable of withstanding the forces exerted by the come-along. Next, attach the anchored end of the wire rope or chain to this anchor, ensuring it is securely fastened. The load-bearing end, on the other hand, is connected to the object that requires movement or tensioning.
With the anchor and load connections established, engage the come-along’s ratcheting mechanism. By rhythmically operating the lever, you gradually draw the load towards the anchor point. The beauty of the come-along lies in its ability to generate significant force even with relatively modest input effort. However, it is paramount to proceed with caution, maintaining a firm grip on the lever and being mindful of the load’s weight and potential movement.
Understanding the Components of a Come Along
A come along is a versatile and essential tool for a variety of applications that involve pulling or lifting heavy loads. It consists of the following key components:
| Component | Description |
|---|---|
| Frame | The main body of the come along, which houses the other components. |
| Load Chain or Cable | A durable chain or cable that passes through the frame and is used to attach the load weight. |
| Lifting Hook | A hook attached to the load chain, which provides a sturdy point of attachment for the load. |
| Lever or Handle | A movable lever that is used to operate the come along and apply force to the load chain. |
| Ratchet Mechanism | A locking mechanism that prevents the lever from moving backward, allowing for secure lifting of the load. |
| Safety Latch | A mechanism that prevents the lifting hook from accidentally detaching from the load chain. |
Understanding the components of a come along is crucial for its safe and effective use. By knowing the purpose and functionality of each part, you can ensure proper setup, operation, and maintenance to achieve optimal performance.
Preparing the Come Along for Use
Before you start using your come along, it’s important to take some time to prepare it. This will help you to avoid any accidents or injuries. Here are the steps you need to follow:
1. Inspect the come along
Before you use the come along, inspect it for any damage. Check the cable, hooks, and body of the come along for any cracks, bends, or other damage. If you find any damage, do not use the come along.
2. Choose the right cable
The type of cable you use will depend on the application. There are two main types of cables: wire rope and synthetic rope. Wire rope is stronger and more durable than synthetic rope, but it is also heavier and more difficult to handle. Synthetic rope is lighter and easier to handle, but it is not as strong as wire rope. For most applications, a synthetic rope will be sufficient.
| Cable Type | Advantages | Disadvantages |
|---|---|---|
| Wire Rope | Stronger and more durable | Heavier and more difficult to handle |
| Synthetic Rope | Lighter and easier to handle | Not as strong as wire rope |
3. Attach the cable to the come along
Once you have chosen the right cable, attach it to the come along. To do this, pass the cable through the hole in the body of the come along and then hook it onto the hook on the end of the cable. Make sure that the cable is securely attached.
Selecting and Securing the Pulling Line
Selecting the right pulling line is crucial for the safe and effective operation of a come along. Consider the following factors when choosing a line:
- Material: Nylon and polyester are common materials for pulling lines, offering strength, durability, and resistance to abrasion.
- Strength: Choose a line with a breaking strength that exceeds the maximum load you intend to pull. Standard breaking strengths range from 2,000 pounds to 15,000 pounds.
- Diameter: A thicker line provides greater strength but may be more difficult to handle. A thinner line is easier to work with but may not be suitable for heavy loads.
To secure the pulling line:
- Wrap it securely around the load: Make at least two complete wraps to prevent slippage.
- Use a choker hitch: Create a loop in the line and pass the end through the loop. This provides a secure and non-slip connection.
- Loop the end of the line over the hook: Make several wraps over the hook and secure it with a knot or cleat to prevent the line from slipping off.
- Lubricate the line: Apply a non-abrasive lubricant to reduce friction and extend the life of the line.
- Inspect the line regularly: Check for any damage or wear before each use and replace it if necessary.
Attaching the Load to the Hook
Follow these steps to properly attach the load to the come along hook:
1. Position the Hook
Place the come along hook under the load, ensuring it is in a stable and secure position. The hook should be parallel to the direction of pull.
2. Use a Lifting Strap or Chain
If necessary, use a lifting strap or chain to connect the load to the hook. This will prevent the load from slipping off during the pulling process.
3. Secure the Load
Attach the lifting strap or chain to the load securely. Tighten any fasteners or bolts to ensure a good connection. Avoid using loose or damaged straps or chains.
4. Wrap the Hook
Wrap the lifting strap or chain around the come along hook in a clockwise direction. This will help prevent the load from slipping off during the pulling process. Make several wraps to create a secure connection.
| Number of Wraps | Load Capacity |
|---|---|
| 2 | 5,000 lbs |
| 3 | 10,000 lbs |
| 4 | 15,000 lbs |
| 5 | 20,000 lbs |
Note: These guidelines are for general purposes only. Always refer to the manufacturer’s instructions for specific capacity ratings and safety precautions.
Operating the Come Along Safely
1. Wear appropriate safety gear
Always wear gloves and safety glasses when operating a come along. The gloves will protect your hands from cuts and abrasions, and the safety glasses will protect your eyes from flying debris and sparks.
2. Inspect the come along before use
Before each use, inspect the come along for any damage. Check the jaws, the chain, and the handle for any cracks, bends, or other defects. If you find any damage, do not use the come along. Instead, have it repaired by a qualified professional.
3. Secure the come along properly
Secure the come along to a suitable anchor point. The anchor point should be strong enough to withstand the force of the pull, and it should be positioned in a way that allows the come along to operate freely. Use a chain or a rope to secure the come along to the anchor point.
4. Connect the load to the come along
Connect the load to the come along using a shackle or a hook. Make sure that the connection is secure and that the load is properly balanced.
5. Operate the come along carefully
To operate the come along, grasp the handle and pull it towards you. As you pull, keep your body away from the come along and the load. Do not overextend the come along. If the come along starts to slip or if you feel any resistance, stop pulling and release the pressure on the handle.
| Step | Action |
|---|---|
| 1 | Inspect the come along for any damage. |
| 2 | Secure the come along to a suitable anchor point. |
| 3 | Connect the load to the come along. |
| 4 | Grasp the handle and pull it towards you. |
| 5 | Keep your body away from the come along and the load. |
Adjusting the Pulling Force
The pulling force of a come along can be adjusted within a specific range. Here’s how to do it:
1. Check the Load Rating
Before adjusting the force, check the load rating of the come along. This rating indicates the maximum weight it can handle safely.
2. Choose the Correct Lever
Come alongs come with different lever lengths. Select the lever that provides the desired amount of force. Longer levers increase force, while shorter ones reduce it.
3. Set the Pawl Adjustment
The pawl adjustment mechanism allows you to adjust the force based on the load weight. Turn the pawl adjustment knob to increase or decrease the engagement of the pawl, which in turn affects the force.
4. Use a Hydraulic Ram (Optional)
Some come alongs have an optional hydraulic ram. By pumping the ram, you can increase the force without changing the lever length or pawl adjustment.
5. Overhaul the Pawl Adjustment
If the pawl adjustment mechanism is not working properly, it may need to be overhauled. Disassemble the come along and clean and lubricate the pawl and related components as per the manufacturer’s instructions.
6. Consider the Following Factors:
| Factor | Effect on Pulling Force |
|---|---|
| Number of strands of rope | More strands increase force |
| Size of the sheaves | Larger sheaves reduce force |
| Efficiency of the come along | Lower efficiency reduces force |
| Condition of the rope | Worn or damaged rope reduces force |
Releasing the Load
Once you’ve completed your task and need to release the load, follow these steps:
1. Disengage the lever by pulling it up or backward (depending on the model).
2. Hold the handle steady to prevent the ratchet from slipping.
3. Slowly release the load by turning the handle in the opposite direction of the pulling motion.
4. Keep tension on the handle as the load descends.
5. Hold the handle firmly until the load is fully released.
6. If the load is extremely heavy, consider having a spotter assist you with controlling the descent.
7. Additional Tips for Safe Load Release:
7.1 Use a Load Limiter: Consider using a load limiter to prevent over-extension and potential accidents.
7.2 Ensure Proper Alignment: Make sure the come along is aligned correctly and the load is suspended directly above the base.
7.3 Avoid Jerking Movements: Release the load gradually and avoid sudden jerks or movements.
7.4 Keep Clear of the Load: Stand clear of the load and ensure no one is directly underneath it during the release.
7.5 Inspect the Equipment: After releasing the load, inspect the come along for any damage or wear. If you notice any issues, do not use the equipment until it has been repaired or replaced.
7.6 Store Properly: Once the load has been released, store the come along in a dry, protected place to prevent corrosion and ensure its longevity.
Inspecting and Maintaining the Come Along
Regular inspection and maintenance are crucial for ensuring the safe and efficient operation of your come along. Follow these steps to keep your come along in top condition:
1. Inspect the Cable
Check the cable for any signs of wear, fraying, or kinking. Replace the cable immediately if you find any damage.
2. Inspect the Hooks
Examine the hooks for any bending, deformation, or rust. Replace any damaged hooks.
3. Inspect the Ratchet
Operate the ratchet lever to ensure that it engages properly and does not slip.
4. Inspect the Pawl
Check the pawl for any wear or damage. A worn pawl can allow the come along to disengage under load.
5. Inspect the Handle
Check the handle for any cracks or damage. Replace a damaged handle immediately.
6. Lubricate Regularly
Apply a light coating of lubrication to all moving parts of the come along. This will reduce wear and tear and extend the life of the tool.
7. Store in a Dry Place
When not in use, store your come along in a dry and well-ventilated area. Excessive moisture can cause rust and damage the tool.
8. Maintain Wire Rope and Pulleys
The wire rope and pulleys are critical components of a come along, and maintaining them regularly ensures optimal performance and safety:
- Wire Rope Inspection: Regularly inspect the wire rope for any signs of wear, corrosion, or damage. Pay particular attention to areas where the rope bends and slides. Grease the rope as needed to reduce friction and wear.
- Pulley Inspection: Inspect the pulleys for any damage, such as cracks or missing teeth. Lubricate the bearings to ensure smooth operation and prevent premature wear.
- Pulley Alignment: Ensure that the pulleys are properly aligned, as misalignment can cause excessive wear on the wire rope and pulleys. Adjust the pulleys as necessary to achieve optimal performance.
Safety Precautions When Using a Come Along
To ensure safe operation, follow these precautions when working with a come along.
Personal Protection
- Wear proper clothing and personal protective equipment (PPE), including gloves and eye protection.
- Never stand in the path of the come along’s rotation or the load being moved.
Load Handling
- Securely attach the come along to a solid anchor point that can withstand the load.
- Never exceed the rated capacity of the come along.
- Always inspect the load and slings before using the come along.
Operation
- Slowly and gradually apply tension to the rope or chain, ensuring that the load moves smoothly.
- Do not overload the come along or apply excessive force.
- Inspect the come along regularly for any signs of damage or wear.
9. Rope and Chain Management
- Use a rope or chain that is specifically designed for come along use and is in good condition.
- Ensure that the rope or chain is not kinked or frayed.
- Never wrap the rope or chain around the come along’s handle.
- Keep the rope or chain taut to prevent it from becoming entangled.
- Never use a come along with a damaged rope or chain.
- Select the appropriate rope or chain length based on the distance between the anchor point and the load.
- Inspect the rope or chain regularly for signs of wear or damage.
- Securely attach the rope or chain to the come along’s hook or chain wheel.
Applications of a Come Along in Various Industries
Construction
Come-alongs are used extensively in construction for lifting and pulling heavy objects. They can be employed to erect steel beams, move concrete blocks, and tension cables.
Automotive
In the automotive industry, come-alongs are used to tow vehicles, extract stuck cars, and pull engines from vehicles for repairs.
Marine
Come-alongs are a valuable tool for marine applications. They can be used to tighten ropes, raise sails, and pull boats out of the water.
Agriculture
In agriculture, come-alongs are used to move heavy equipment, load hay bales, and tension fences.
Logging
Come-alongs are essential in the logging industry for dragging logs, felling trees, and loading logs onto trucks.
Manufacturing
Come-alongs are frequently used in manufacturing to move heavy machinery, position materials, and assemble products.
Utilities
Utility companies rely on come-alongs for lifting and pulling electrical wires, tensioning cables, and installing equipment.
Storage and Logistics
In storage and logistics, come-alongs are used to load and unload heavy items, move pallets, and secure cargo.
Emergency Response
Come-alongs are carried by emergency responders to lift and remove debris, stabilize vehicles, and rescue victims.
Other Applications
Come-alongs have a wide range of additional applications, including:
| Industry | Application |
|---|---|
| Aerospace | Lifting aircraft parts |
| Mining | Pulling heavy cables |
| Telecommunications | Tensioning communication cables |
How To Use A Come Along
A come along is a mechanical device used to pull or lift heavy objects. It consists of a ratchet, pawl, drum, and cable. The cable is attached to the object to be moved, and the ratchet and pawl mechanism is used to engage the cable and pull it in. Come alongs are often used in construction, automotive repair, and other industries where heavy objects need to be moved.
To use a come along, follow these steps:
- Attach the cable to the object to be moved.
- Position the come along so that the cable is taut.
- Engage the ratchet and pawl mechanism by pushing down on the handle.
- Pull the handle back to draw in the cable and move the object.
- Repeat steps 3 and 4 until the object has been moved to the desired location.
When using a come along, it is important to take safety precautions. Always wear gloves and safety glasses, and be sure to keep your hands and feet clear of the moving parts.
People Also Ask
How do you use a come along to pull a car?
To use a come along to pull a car, you will need to attach the cable to the car’s frame or bumper. Position the come along so that the cable is taut, and engage the ratchet and pawl mechanism. Pull the handle back to draw in the cable and move the car.
How do you use a come along to lift a heavy object?
To use a come along to lift a heavy object, you will need to attach the cable to the object and then attach the come along to a secure anchor point. Position the come along so that the cable is taut, and engage the ratchet and pawl mechanism. Pull the handle back to draw in the cable and lift the object.
What is the difference between a come along and a winch?
A come along is a manual device that uses a ratchet and pawl mechanism to pull or lift heavy objects. A winch is a power-operated device that uses a motor to pull or lift heavy objects. Winches are typically more powerful than come alongs, but they are also more expensive and require a power source.
