How To Work A Scissor Lift

Scissor lifts, known for their exceptional stability and versatile applications, are indispensable tools in construction, maintenance, and various other industries. Operating a scissor lift, however, requires a thorough understanding of safety protocols and proper handling techniques. This comprehensive guide will empower you with the necessary knowledge to work a scissor lift confidently and efficiently, ensuring a safe and productive work environment.

Before operating a scissor lift, it is crucial to undergo comprehensive training and obtain certification. A qualified trainer will guide you through the intricacies of the machine, ensuring you possess the requisite skills and understanding to operate it safely. Additionally, always remember to inspect the scissor lift thoroughly before each use, checking for any potential hazards or malfunctions. By adhering to these precautionary measures, you lay the foundation for a safe and successful operation.

When operating a scissor lift, always prioritize safety and maintain a heightened awareness of your surroundings. Ensure the work area is clear of obstacles and potential hazards, and never exceed the platform’s specified weight capacity. Position the lift on a stable, level surface, engaging the brakes to prevent any movement. Additionally, always wear a safety harness when working on the lift, and never attempt to operate the machine while under the influence of alcohol or drugs. By observing these safety protocols, you safeguard yourself and others, fostering a work environment conducive to productivity.

Safety Regulations and Inspection

General Safety Practices

Before operating a scissor lift, it’s crucial to follow these safety regulations to ensure a safe work environment and prevent accidents:

– Wear appropriate personal protective equipment (PPE): Hard hat, safety shoes, safety glasses, gloves, and high-visibility vest.
– Inspect the scissor lift thoroughly before each use: Check for leaks, cracks, loose or damaged parts, and ensure all controls are functioning correctly.
– Plan the work area: Identify hazards, clear the area of obstacles, and establish a safe perimeter.
– Position the lift on a stable and level surface: Avoid slopes or uneven terrain. Use outriggers if necessary.
– Maintain a safe working height: Do not extend the lift beyond its rated capacity or maximum height.
– Avoid sudden starts or stops: Operate the lift smoothly and carefully.
– Be aware of surroundings: Pay attention to overhead obstacles, power lines, and other hazards.
– Never exceed the platform’s load capacity: Distribute the load evenly.
– Use proper lifting techniques: Keep your load centered and avoid swaying or jerking motions.

Daily Inspection Checklist

To ensure the scissor lift is in good working condition, perform a daily inspection following this checklist:

Item	Check
Hydraulic system	No leaks or visible damage
Electrical system	Wiring intact, no exposed wires
Control panel	All buttons and switches functioning
Platform	Securely fastened, no damage or cracks
Outriggers	Fully extended, stable, no damage
Safety features	Alarms, interlocks, and emergency stop working properly

Selecting the Right Scissor Lift

Choosing the right scissor lift for your specific work requirements is crucial. Consider the following factors to make an informed decision:

Platform Height: Determine the maximum height you need to reach while working. Scissor lifts come with varying platform heights, so choose one that meets your needs.
Capacity: Consider the weight of the equipment and personnel that will be on the platform. Scissor lifts have varying weight capacities, so ensure you select one that can safely handle the load.
Platform Size: Decide on the size of the platform required for your work. Scissor lifts offer different platform sizes, so be sure to choose one that provides ample room for your equipment and personnel.
Power Source: Opt for a scissor lift with a power source that suits your needs. Electric scissor lifts are typically quieter and ideal for indoor use, while diesel scissor lifts are more rugged and better for outdoor applications.
Terrain: Consider the terrain where you will operate the scissor lift. Some models are designed for rough terrain, while others are better suited for smooth surfaces.

Refer to the following table for a simplified comparison of key scissor lift features:

Feature	Considerations
Platform Height	Maximum height you need to reach
Capacity	Weight of equipment and personnel
Platform Size	Space required for equipment and personnel
Power Source	Electric (indoor) vs. Diesel (outdoor)
Terrain	Rough terrain vs. Smooth surfaces

Site Preparation and Setup

1. Choose a Suitable Site

Before operating a scissor lift, select a stable and level work surface that can withstand the weight of the equipment and the load it will be carrying. Ensure there are no overhead obstructions or power lines in the immediate vicinity.

2. Barriers and Safety Zones

Establish clear barriers and safety zones around the scissor lift to prevent unauthorized access and protect personnel from falling objects. Mark these areas with cones, ropes, or other appropriate signage. The safety zone should extend at least 6 feet (1.8 meters) on all sides of the lift.

3. Ground Conditions and Slope

Assess the ground conditions where the scissor lift will be used. The surface should be firm, level, and free of debris or obstacles that could create instability. If the ground is soft or uneven, use timber mats or other support to create a stable base for the lift.

Pay particular attention to any slopes in the work area. Operating a scissor lift on a steep slope can compromise stability and increase the risk of tipover. Use a level and slope indicator to determine the grade of the slope and ensure it is within the safe operating limits of the lift.

Slope Safety Guidelines

Slope	Safe Operation
Up to 5°	Generally safe for most scissor lifts
5° to 10°	Proceed with caution, use outriggers, and reduce load capacity
Over 10°	Unsafe, do not operate scissor lift

Operating the Scissor Lift

Before operating a scissor lift, it is essential to have thorough training and be authorized. Here are the key steps to follow:

1. Pre-Operation Inspection

Inspect the scissor lift for any damage, leaks, or loose connections. Check the emergency stop button to ensure it works correctly.

2. Positioning the Scissor Lift

Place the scissor lift on a stable, level surface. Ensure the area is free of overhead obstructions and potential hazards.

3. Leveling the Scissor Lift

Use the leveling jacks or foot pedals to stabilize the lift and level it side-to-side and front-to-back. This is crucial for safe and efficient operation.

4. Using the Controls

Ascend: Press the “Up” button to raise the lift. Always maintain a safe distance from any overhead obstacles.

Descend: Press the “Down” button to lower the lift. Keep a firm grip on the controls and gradually lower the platform.

Emergency Stop: In case of any emergency, press the large red mushroom-shaped button to stop the lift immediately.

Horn: Use the horn to alert others in the work area when the lift is moving.

Platform Tilt (if applicable): Some scissor lifts have a tilting platform. Use the “Tilt” button to adjust the platform’s angle for increased accessibility or to compensate for uneven surfaces.

Controlling the Platform

To control the platform of a scissor lift, you will need to familiarize yourself with the joystick or control panel located inside the platform. Here are the key functions you will need to master:

1. Lifting and Lowering

The joystick typically features two buttons or levers for lifting and lowering the platform. Press and hold the “Up” or “Rise” button to raise the platform. To lower it, press and hold the “Down” or “Descend” button.

2. Horizontal Platform Control

For scissor lifts with steerable platforms, the joystick will have buttons or levers for controlling horizontal movement. The “Forward” and “Reverse” buttons allow you to move the platform forward or backward.

3. Steering

For larger scissor lifts, they may have a separate joystick or steering wheel dedicated to controlling the steering. Rotate it left or right to turn the platform in the desired direction.

4. Keyboard Functions

Some scissor lifts may have a keyboard as part of the control panel. It enables you to input specific height settings, set the lift’s speed, or access diagnostic information.

5. Advanced Features

More advanced scissor lifts may offer additional features, such as:

Feature	Function
Automatic Leveling	Automatically levels the platform, even on uneven surfaces.
Height Presets	Allows you to save and recall commonly used heights.
Obstruction Detection	Stops the lift if it encounters an obstacle while lowering.
Emergency Stop Button	Immediately shuts down the lift in case of an emergency.

Emergency Procedures

6. Lowering the Scissor Lift in an Emergency

In the event of an emergency, it is crucial to lower the scissor lift safely and swiftly. Follow these steps:

Assess the situation: Identify the emergency and determine the appropriate course of action.
Secure the lift: Activate the emergency stop button to cut off power to the lift.
Release the hydraulic pressure: Locate the manual release valve on the scissor lift and rotate it clockwise. This will release the hydraulic pressure, allowing the lift to descend.
Control the descent: Use the manual descent valve, typically found on the platform, to slowly lower the lift.
Secure the platform: Once the platform reaches the ground, lower the outriggers to stabilize it.
Exit the platform: When the platform is stable, slowly exit it.

See the table below for more information on emergency lowering procedures:

Emergency	Actions
Power failure	Use manual release valve to release hydraulic pressure and lower the lift.
Hydraulic leak	Close the manual shutoff valve to prevent further fluid loss and lower the lift.
Stuck platform	Check for obstacles or debris blocking the platform and remove them. Release hydraulic pressure using the manual release valve.

Maintenance and Inspection

Daily Inspection

Before each use, perform a thorough inspection of the scissor lift, including:

Checking hydraulic hoses for leaks
Inspecting lift arms for damage
Verifying platform controls are functioning properly
Ensuring all safety features are operational

Weekly Inspection

In addition to daily inspections, perform the following weekly:

Lubricating all moving parts
Tightening bolts and connections
Checking tire pressure and condition

Monthly Inspection

Monthly inspections involve more detailed checks:

Inspecting hydraulic cylinders for leaks
Checking electrical connections
Verifying emergency stop button functionality
Inspecting brakes if applicable

Annual Inspection

Annual inspections must be performed by a qualified technician and include the following:

Conducting a thorough load test
Checking structural integrity
Inspecting all components for wear and tear
Verifying safety features are compliant with regulations

Lubrication Maintenance

Lubricating moving parts regularly is crucial for scissor lift maintenance. Refer to the manufacturer’s manual for specific lubrication points and frequency.

Lubrication Schedule

To help keep track of lubrication, consider using a lubrication schedule:

Component	Frequency
Lift arms	Weekly
Hydraulic cylinders	Monthly
Bearings	Every 6 months

Understanding the Scissor Lift

Familiarize yourself with the scissor lift’s components, controls, and safety features. Read the operator’s manual thoroughly to gain a comprehensive understanding of its operation.

Pre-Inspection and Setup

Inspect the scissor lift for any damage or leaks. Ensure that the work area is level and free from obstacles. Set up the scissor lift on a stable surface and deploy the outriggers to enhance stability.

Safe Operation

Maintain a three-point contact with the lift at all times. Avoid sudden movements or overreaching, and never operate the lift in windy or hazardous conditions.

Height Adjustment

Use the controls to raise or lower the platform smoothly. Never exceed the maximum working height or load capacity. Check the height indicator to monitor your position.

Maneuvering and Positioning

Operate the scissor lift cautiously. Use smooth steering motions to avoid jerky movements. Position the platform accurately for optimal work access.

Emergency Procedures

Familiarize yourself with the emergency stop button and other safety features. Know how to safely exit the scissor lift in case of an emergency.

Maintaining Stability

Keep the platform level and avoid excessive swaying. Distribute the load evenly across the platform and avoid overloading it. Always use the included railings or safety harnesses for added stability.

Additional Tips for Optimal Performance

Inspect the scissor lift regularly for any wear or damage.

Lubricate moving parts according to the manufacturer’s recommendations.

Store the scissor lift in a dry and protected location when not in use.

Check the battery level before each operation and charge it as needed.

Follow all safety regulations and guidelines related to scissor lift operation.

Troubleshooting Common Problems

Responding to Machine Failure

If the platform starts descending unexpectedly:

– Reset the emergency stop switch.
– Move the lowering control to the “up” position.
– Contact a qualified technician.

Power Interruption Recovery

To resume operation after a power failure:

– Turn the key switch to the “off” position.
– Wait 5 seconds.
– Turn the key switch to the “on” position.
– Reset any alarms or fault codes.

Platform Overload

If the Overload Alarm activates:

– Reduce the weight on the platform.
– Contact a qualified technician.

Platform not Leveling

If the platform is tilted:

– Check the ground conditions.
– Contact a qualified technician.

Hydraulic Fluid Leakage

If there is a leak:

– Turn off the power.
– Contact a qualified technician.

Brake Malfunction

If the brakes do not engage when the platform is lowered:

– Turn off the power.
– Engage the emergency brake.
– Contact a qualified technician.

Overheating

If the machine overheats:

– Turn off the power.
– Check for blockages or debris in the cooling system.
– Contact a qualified technician.

Electrical System Faults

If any electrical problems occur:

– Turn off the power.
– Contact a qualified technician.

Platform not Raising or Lowering

If the platform does not respond to controls:

– Check for obstructions or debris in the lift mechanism.
– Contact a qualified technician.

Troubleshooting Table

Problem	Possible Cause
Platform not lifting	– Low battery	– Faulty control switch	– Hydraulic pump failure
Platform descends uncontrollably	– Faulty lowering control	– Hydraulic cylinder leak	– Overloading
Platform tilts	– Uneven ground	– Malfunctioning leveling system	– Excessive load on one side

Storage and Transportation

To ensure optimal performance and longevity, proper storage and transportation of the scissor lift are crucial. Follow these guidelines for safe and efficient handling.

Storage

When not in use, store the scissor lift in a dry, clean, and well-ventilated area. Protect it from moisture and extreme temperatures to prevent corrosion and maintain its functionality.

Lower the platform completely to the ground and fully retract the outriggers. Ensure the lift is clean of debris and disconnected from any power source. Cover the lift with a tarp or a protective cover to guard against dust and excessive sunlight.

Ensure all components, including batteries, hydraulics, and electrical systems, are properly maintained and in good working order before storage. Regular inspections can help identify and address potential issues.

Transportation

When transporting the scissor lift, adhere to the following guidelines:

Loading and Unloading

Properly secure the lift to the transport vehicle using tie-downs or straps rated for the weight of the lift. Ensure the lift is stable and cannot shift during transportation.

Use ramps or a loading dock to safely load and unload the lift onto and from the transport vehicle. Avoid dragging or sliding the lift to prevent damage.

Vehicle Requirements

The transport vehicle must be capable of handling the weight and dimensions of the scissor lift. Consider the type of suspension and the size of the bed or trailer to accommodate the lift securely.

Transport Position

Maintain the scissor lift in the transport position during transportation. Lower the platform completely and retract the outriggers. This position provides the best stability and clearance during transit.

Travel Speed and Route

Obey speed limits and avoid rough terrain when transporting the scissor lift. Plan the route carefully to minimize bumps and vibrations that could compromise the lift’s integrity.

Escorting

Consider escorting the transport vehicle if the lift overhangs or requires special maneuvering during transportation. This ensures the safety of other road users and pedestrians.