What Safety Precautions Should Be Taken When Connecting/Using a Scan Tool?

When connecting or utilizing a scan tool, several safety precautions should be carefully observed, and MERCEDES-DIAGNOSTIC-TOOL.EDU.VN can provide expert guidance. By prioritizing safety measures, you protect yourself, your vehicle, and the diagnostic equipment, while ensuring accurate and reliable diagnostic results. Scan tool safety also involves understanding the diagnostic process, using the proper equipment, and maintaining a safe working environment.

MERCEDES-DIAGNOSTIC-TOOL.EDU.VN offers comprehensive support, including detailed guidelines on scan tool operation, safety protocols, and essential maintenance tips. For personalized assistance and expert advice, contact us at 789 Oak Avenue, Miami, FL 33101, United States, via WhatsApp at +1 (641) 206-8880, or visit our website. Let’s explore these precautions in detail.

1. What Initial Preparations Are Necessary Before Using a Scan Tool?

Before using a scan tool, ensure that the vehicle is parked on a level surface, the parking brake is engaged, and the ignition is turned off. The battery should be in good condition to avoid interruptions during the diagnostic process. According to the National Institute for Automotive Service Excellence (ASE), these steps are crucial for preventing accidents and ensuring accurate readings. The initial setup is essential, including verifying the tool’s software is up-to-date.

Expanding on these initial steps:

• Verify Vehicle Stability: Ensure the vehicle is stable to prevent any movement during the diagnostic process.
• Check Battery Condition: A weak battery can lead to inaccurate readings or interrupt the diagnostic process.
• Update Scan Tool Software: Keeping the scan tool’s software updated ensures compatibility with the vehicle’s systems and access to the latest diagnostic information.

2. How Should You Handle the Scan Tool’s Cable and Connectors?

Always handle the scan tool’s cable and connectors with care, making sure they are not damaged or frayed. Connect and disconnect the tool only when the ignition is off to prevent electrical surges that could damage the vehicle’s electronic control units (ECUs) or the scan tool itself. A study by the Society of Automotive Engineers (SAE) found that improper handling of diagnostic equipment leads to a significant number of ECU failures.

Elaborating on the handling of cables and connectors:

• Inspect for Damage: Regularly inspect the cable and connectors for any signs of wear or damage.
• Proper Connection: Ensure the connector is fully seated in the diagnostic port to establish a reliable connection.
• Avoid Force: Never force the connector into the port, as this can damage the pins and affect communication.

3. What Personal Protective Equipment (PPE) Is Recommended When Using a Scan Tool?

Wearing personal protective equipment (PPE) is highly recommended, including safety glasses and gloves, to protect against potential hazards such as battery acid or sharp objects. Safety glasses prevent eye injuries from debris, while gloves protect against skin contact with harmful substances. The Occupational Safety and Health Administration (OSHA) emphasizes the importance of PPE in automotive repair environments.

Enhancing the understanding of PPE:

• Safety Glasses: Protect your eyes from flying debris and accidental splashes.
• Gloves: Wear gloves to protect your hands from chemicals, oils, and sharp edges.
• Appropriate Clothing: Wear suitable clothing that covers your arms and legs to minimize the risk of cuts and abrasions.

4. How Can You Prevent Electrical Hazards While Using a Scan Tool?

To prevent electrical hazards, avoid using the scan tool in wet or damp conditions. Ensure the tool is properly grounded and that all electrical connections are secure. Never attempt to repair the scan tool yourself if you are not a qualified technician; instead, seek professional service. According to research from the IEEE, moisture and improper grounding are major causes of electrical accidents in automotive settings.

More details on preventing electrical hazards:

• Dry Environment: Always use the scan tool in a dry environment to prevent electrical shocks.
• Proper Grounding: Ensure the scan tool and vehicle are properly grounded to avoid static discharge.
• Professional Repairs: Leave repairs to qualified technicians to prevent further damage or injury.

5. What Precautions Should Be Taken Regarding Vehicle Emissions During Diagnostics?

When performing diagnostic tests that involve running the engine, ensure the area is well-ventilated to avoid inhaling harmful exhaust fumes. Use an exhaust extraction system if available. Carbon monoxide (CO) poisoning is a serious risk in enclosed spaces, and proper ventilation is essential. The Environmental Protection Agency (EPA) provides guidelines on managing vehicle emissions in repair shops.

Further precautions regarding vehicle emissions:

• Well-Ventilated Area: Always work in an area with good ventilation to minimize exposure to exhaust fumes.
• Exhaust Extraction System: Utilize an exhaust extraction system to remove fumes from the work area.
• Monitor Air Quality: Consider using a carbon monoxide detector to monitor air quality and ensure safe levels.

6. How Should Diagnostic Trouble Codes (DTCs) Be Interpreted and Cleared?

Always interpret Diagnostic Trouble Codes (DTCs) carefully using the scan tool’s software and the vehicle’s service manual. Do not clear DTCs without first understanding the underlying issue, as this can mask symptoms and lead to further problems. Document all DTCs and the steps taken to resolve them. Automotive diagnostic experts at Bosch recommend a systematic approach to DTC interpretation and resolution.

More on interpreting and clearing DTCs:

• Consult Service Manual: Always refer to the vehicle’s service manual for accurate DTC definitions and troubleshooting procedures.
• Understand the Issue: Do not clear DTCs without understanding and addressing the underlying cause.
• Document Everything: Keep a detailed record of all DTCs, diagnostic steps, and repairs performed.

7. What Steps Should Be Taken to Protect Vehicle Data During Scan Tool Usage?

Protect vehicle data by ensuring that the scan tool’s software is from a reputable source and regularly updated to guard against malware. Be cautious about connecting to unknown Wi-Fi networks, as this can expose the scan tool and the vehicle’s systems to cyber threats. The National Highway Traffic Safety Administration (NHTSA) has issued warnings about the vulnerability of vehicle systems to cyberattacks.

Additional steps to protect vehicle data:

• Reputable Software: Use scan tool software from trusted sources to avoid malware and security vulnerabilities.
• Secure Network: Avoid connecting the scan tool to unsecured Wi-Fi networks.
• Data Encryption: Use a VPN (Virtual Private Network) when connecting to the internet for added security.

8. How Should You Handle Live Data Streams Displayed by the Scan Tool?

When monitoring live data streams, pay attention to the values displayed and compare them to the vehicle manufacturer’s specifications. Unusual or out-of-range values can indicate a problem with a sensor or system. Be aware that live data streams can change rapidly, so focus on trends and patterns rather than individual data points. Automotive technology experts at Delphi emphasize the importance of understanding live data for accurate diagnostics.

More on handling live data streams:

• Compare to Specifications: Always compare live data values to the vehicle manufacturer’s specifications.
• Identify Trends: Look for trends and patterns in the data rather than focusing on individual values.
• Cross-Reference Data: Cross-reference data from multiple sensors to identify potential issues.

9. What Precautions Should Be Observed When Performing Active Tests with a Scan Tool?

When performing active tests (such as activating solenoids or relays), follow the scan tool’s instructions carefully and be aware of the potential consequences of activating a component. Some active tests can cause the vehicle to behave unexpectedly, so ensure that the vehicle is in a safe location and that no one is in the path of moving parts. Automotive safety experts at TÜV SÜD recommend a cautious approach to active testing.

Further precautions for active tests:

• Follow Instructions: Always follow the scan tool’s instructions carefully when performing active tests.
• Be Aware of Consequences: Understand the potential consequences of activating a component.
• Safe Location: Ensure the vehicle is in a safe location and that no one is in the path of moving parts.

10. How Should You Store and Maintain the Scan Tool to Ensure Safe and Reliable Operation?

Store the scan tool in a clean, dry place away from extreme temperatures and direct sunlight. Regularly clean the tool and its cables with a soft, dry cloth. Keep the software updated and the battery charged. Proper storage and maintenance will extend the life of the scan tool and ensure its safe and reliable operation. Equipment maintenance guidelines from Fluke Corporation emphasize the importance of regular cleaning and software updates.

More on storing and maintaining the scan tool:

• Clean Storage: Store the scan tool in a clean, dry place to prevent damage.
• Regular Cleaning: Clean the tool and cables regularly with a soft, dry cloth.
• Software Updates: Keep the software updated to ensure compatibility and access to the latest features.

11. Understanding the Role of Diagnostic Scan Tools in Vehicle Maintenance

Diagnostic scan tools are essential for modern vehicle maintenance, allowing technicians and car owners to identify and address issues quickly and accurately. According to a study by Grand View Research, the automotive diagnostic scan tools market is expected to grow significantly, highlighting their increasing importance. MERCEDES-DIAGNOSTIC-TOOL.EDU.VN provides access to a range of tools and expertise to keep your Mercedes running smoothly.

Further insights into the role of diagnostic scan tools:

• Quick Issue Identification: Scan tools enable rapid identification of vehicle problems.
• Accurate Diagnostics: They provide accurate data for effective repairs.
• Preventative Maintenance: Regular use can help prevent major issues.

12. Safety Considerations for Different Types of Scan Tools

Different types of scan tools, such as handheld devices, PC-based systems, and wireless tools, require specific safety considerations. Handheld devices should be used with care to avoid dropping them, while PC-based systems require secure connections to prevent data breaches. Wireless tools should be used within range to ensure reliable communication. The European Automobile Manufacturers Association (ACEA) provides standards for the safe use of diagnostic equipment.

Additional safety tips for different scan tool types:

• Handheld Devices: Use a lanyard or strap to prevent accidental drops.
• PC-Based Systems: Ensure secure connections to prevent data breaches.
• Wireless Tools: Stay within the specified range for reliable communication.

13. How To Interpret Scan Tool Data Accurately

Interpreting scan tool data accurately is crucial for effective diagnostics. Technicians need to understand the meaning of different data parameters, such as sensor readings, engine performance metrics, and fault codes. Training and experience are essential for accurate interpretation. Automotive training programs from organizations like the North American Council of Automotive Teachers (NACAT) provide valuable skills in this area.

More tips on interpreting scan tool data:

• Understand Parameters: Know the meaning of different data parameters.
• Seek Training: Participate in training programs to enhance diagnostic skills.
• Gain Experience: Practice interpreting data on various vehicles.

14. What Are Common Mistakes To Avoid When Using Scan Tools?

Common mistakes when using scan tools include misinterpreting fault codes, neglecting to update software, and failing to perform a thorough visual inspection. Avoiding these mistakes can improve diagnostic accuracy and prevent unnecessary repairs. The Automotive Service Association (ASA) offers resources and training to help technicians avoid common errors.

Common mistakes to avoid:

• Misinterpreting Fault Codes: Always verify the meaning of fault codes with the vehicle’s service manual.
• Neglecting Software Updates: Keep the scan tool’s software updated to ensure compatibility and access to the latest data.
• Failing Visual Inspections: Perform a thorough visual inspection before relying solely on scan tool data.

15. Proper Disposal Methods for Scan Tool Components and Waste

Proper disposal of scan tool components, such as batteries and electronic parts, is essential for environmental protection. Follow local regulations for disposing of hazardous waste. Many automotive parts suppliers offer recycling programs for used components. The Institute of Scrap Recycling Industries (ISRI) provides guidelines for responsible recycling practices.

Proper disposal methods include:

• Batteries: Dispose of batteries at designated recycling centers.
• Electronic Parts: Recycle electronic parts through certified recyclers.
• Hazardous Waste: Follow local regulations for disposing of hazardous waste materials.

16. How To Handle Damaged or Malfunctioning Scan Tools

If a scan tool is damaged or malfunctioning, it should be taken out of service immediately and repaired by a qualified technician. Attempting to use a damaged tool can lead to inaccurate readings or further damage. Contact the manufacturer or a certified repair center for assistance. Equipment maintenance guidelines from Test Equipment Depot emphasize the importance of prompt repairs.

Steps to handle damaged scan tools:

• Remove From Service: Take the damaged tool out of service immediately.
• Contact Manufacturer: Contact the manufacturer or a certified repair center for assistance.
• Qualified Technician: Have the tool repaired by a qualified technician.

17. Best Practices for Using Scan Tools in Different Environmental Conditions

Using scan tools in different environmental conditions, such as extreme heat or cold, requires specific precautions. Protect the tool from direct sunlight and moisture. Allow the tool to acclimate to the environment before use. The Society of Environmental Engineers (SEE) provides guidelines for operating electronic equipment in various conditions.

Best practices include:

• Protect From Sunlight: Keep the tool out of direct sunlight.
• Avoid Moisture: Protect the tool from moisture and humidity.
• Acclimate Tool: Allow the tool to acclimate to the environment before use.

18. How To Properly Secure and Manage Scan Tool Cables To Prevent Accidents

Properly securing and managing scan tool cables is essential to prevent accidents. Use cable ties or reels to keep cables organized and out of the way. Avoid running cables across walkways or areas where they could be tripped over. Safety guidelines from the National Safety Council (NSC) emphasize the importance of cable management in preventing workplace accidents.

Tips for securing and managing cables:

• Use Cable Ties: Use cable ties to keep cables organized.
• Avoid Walkways: Avoid running cables across walkways or areas where they could be tripped over.
• Cable Reels: Use cable reels to store and manage cables when not in use.

19. Understanding Legal and Ethical Considerations When Using Scan Tools

Using scan tools involves legal and ethical considerations, such as protecting customer data and complying with industry standards. Ensure that you have the necessary permissions to access vehicle data and that you are using the data responsibly. Legal guidelines from the Federal Trade Commission (FTC) address data privacy and security.

Legal and ethical considerations include:

• Data Protection: Protect customer data and comply with privacy regulations.
• Permissions: Obtain necessary permissions to access vehicle data.
• Responsible Use: Use vehicle data responsibly and ethically.

20. How Scan Tools Can Be Used To Improve Vehicle Safety and Performance

Scan tools play a crucial role in improving vehicle safety and performance by identifying and addressing issues that could affect these areas. Regular use of scan tools can help ensure that vehicles are operating at their optimal levels. Safety studies from the Insurance Institute for Highway Safety (IIHS) highlight the importance of preventative maintenance in reducing accidents.

Scan tools can improve vehicle safety and performance by:

• Identifying Issues: Identifying and addressing issues that could affect vehicle safety.
• Ensuring Optimal Performance: Helping ensure vehicles are operating at their optimal levels.
• Preventative Maintenance: Supporting preventative maintenance practices.

21. The Importance of Keeping Your Scan Tool Updated with the Latest Software

Keeping your scan tool updated with the latest software is critical for accessing the most recent diagnostic information and features. Software updates often include new vehicle coverage, improved diagnostic capabilities, and security enhancements. Neglecting to update your scan tool can result in inaccurate readings or compatibility issues. According to research from VSI (Vehicle Service Information), regular software updates are essential for maintaining scan tool accuracy and effectiveness.

Further benefits of keeping your scan tool updated:

• Access to New Vehicle Coverage: Software updates often include coverage for new vehicle models and systems.
• Improved Diagnostic Capabilities: Updates can enhance the scan tool’s ability to diagnose complex issues.
• Security Enhancements: Software updates can address security vulnerabilities and protect against cyber threats.

22. How to Choose the Right Scan Tool for Your Specific Needs

Choosing the right scan tool for your specific needs involves considering factors such as the types of vehicles you will be working on, the level of diagnostic capabilities required, and your budget. Different scan tools offer varying levels of functionality, from basic code reading to advanced system diagnostics and programming. Consulting with experts and reading reviews can help you make an informed decision. Automotive equipment specialists at Snap-on offer advice on selecting the appropriate scan tool for different applications.

Consider these factors when choosing a scan tool:

• Vehicle Coverage: Ensure the scan tool covers the types of vehicles you will be working on.
• Diagnostic Capabilities: Determine the level of diagnostic capabilities required for your needs.
• Budget: Consider your budget and the value offered by different scan tools.

23. What Role Does Training Play in the Safe and Effective Use of Scan Tools?

Training plays a crucial role in the safe and effective use of scan tools. Proper training can help technicians understand how to operate the scan tool correctly, interpret diagnostic data accurately, and avoid common mistakes. Training programs are available from scan tool manufacturers, automotive training centers, and online resources. Automotive training organizations such as the Automotive Management Institute (AMI) offer courses on diagnostic equipment and techniques.

Key benefits of training:

• Correct Operation: Learn how to operate the scan tool correctly and safely.
• Accurate Interpretation: Develop the skills to interpret diagnostic data accurately.
• Mistake Avoidance: Understand common mistakes and how to avoid them.

24. How To Troubleshoot Common Issues That Arise During Scan Tool Usage

Troubleshooting common issues that arise during scan tool usage, such as communication errors, software glitches, and connection problems, requires a systematic approach. Start by checking the scan tool’s connections, software settings, and power supply. Consult the scan tool’s user manual and online resources for troubleshooting tips. Technical support from the scan tool manufacturer can also be helpful.

Steps to troubleshoot common issues:

• Check Connections: Verify that all connections are secure and properly seated.
• Software Settings: Review the scan tool’s software settings to ensure they are configured correctly.
• Consult User Manual: Refer to the scan tool’s user manual for troubleshooting tips.

25. Safe Practices for Performing Module Programming and Coding with Scan Tools

Performing module programming and coding with scan tools requires advanced knowledge and careful attention to detail. Ensure that you have the correct software and programming files for the vehicle’s specific modules. Follow the scan tool’s instructions precisely and be aware of the potential risks involved, such as data loss or module damage. Automotive programming experts at Drew Technologies offer guidance on safe programming practices.

Safe practices for module programming and coding:

• Correct Software: Use the correct software and programming files for the vehicle’s modules.
• Follow Instructions: Follow the scan tool’s instructions precisely.
• Be Aware of Risks: Understand the potential risks involved and take precautions to minimize them.

26. How Scan Tools Can Help Diagnose Intermittent Problems

Scan tools can be invaluable in diagnosing intermittent problems by capturing data and monitoring vehicle systems over time. Many scan tools offer data logging capabilities that allow technicians to record sensor readings and other parameters while the vehicle is being driven. This data can then be analyzed to identify patterns and pinpoint the cause of the intermittent issue. Automotive diagnostic specialists at AESWave offer solutions for diagnosing challenging problems.

Key benefits of using scan tools for intermittent problems:

• Data Logging: Capture data and monitor vehicle systems over time.
• Pattern Identification: Analyze data to identify patterns and pinpoint the cause of the issue.
• Comprehensive Analysis: Conduct a comprehensive analysis of vehicle behavior under various conditions.

27. Understanding the Limitations of Scan Tools and When To Seek Expert Help

Understanding the limitations of scan tools is essential for effective diagnostics. While scan tools can provide valuable information, they are not a substitute for skilled technicians and thorough inspections. Some issues may require advanced diagnostic techniques or specialized equipment. Knowing when to seek expert help can save time and prevent misdiagnoses. Automotive repair experts at iATN (International Automotive Technicians Network) emphasize the importance of knowing your limitations.

Key limitations of scan tools:

• Not a Substitute for Expertise: Scan tools cannot replace the knowledge and skills of experienced technicians.
• Advanced Diagnostics: Some issues require advanced diagnostic techniques or specialized equipment.
• Thorough Inspections: Scan tool data should always be supplemented with a thorough visual inspection.

28. Future Trends in Automotive Diagnostics and the Role of Scan Tools

Future trends in automotive diagnostics include increased integration with cloud-based services, enhanced use of artificial intelligence (AI), and expanded capabilities for remote diagnostics. Scan tools will continue to evolve and play a critical role in these advancements. Automotive technology forecasters at SBD Automotive predict significant changes in the diagnostic landscape.

Future trends in automotive diagnostics:

• Cloud Integration: Increased integration with cloud-based services for data storage and analysis.
• Artificial Intelligence: Enhanced use of AI for diagnostic assistance and pattern recognition.
• Remote Diagnostics: Expanded capabilities for remote diagnostics and software updates.

29. How To Verify Repairs After Using a Scan Tool

Verifying repairs after using a scan tool is essential to ensure that the issue has been resolved and that no new problems have been introduced. This typically involves re-scanning the vehicle to confirm that fault codes have been cleared and that all systems are functioning correctly. Road testing the vehicle under various conditions can also help verify the effectiveness of the repairs. Automotive quality control experts at Intertek emphasize the importance of post-repair verification.

Steps to verify repairs:

• Re-scan Vehicle: Re-scan the vehicle to confirm that fault codes have been cleared.
• System Functionality: Verify that all systems are functioning correctly.
• Road Test: Road test the vehicle under various conditions to verify the effectiveness of the repairs.

30. How To Safely Connect A Scan Tool To A Mercedes-Benz Vehicle

Connecting a scan tool to a Mercedes-Benz vehicle requires careful attention to ensure compatibility and prevent damage to the vehicle’s electrical system. Always use a scan tool that is specifically designed or certified to work with Mercedes-Benz vehicles. Locate the diagnostic port, typically found under the dashboard on the driver’s side, and ensure that the connection is secure and stable before initiating any diagnostic procedures.

Step-by-Step Guide to Connecting a Scan Tool to a Mercedes-Benz Vehicle:

1. Turn Off the Ignition: Ensure the vehicle’s ignition is turned off to prevent electrical surges.
2. Locate the Diagnostic Port: Find the OBD-II port, usually located under the dashboard on the driver’s side.
3. Connect the Scan Tool: Plug the scan tool’s connector into the OBD-II port, ensuring a secure fit.
4. Turn On the Scan Tool: Power on the scan tool and wait for it to establish a connection with the vehicle’s computer.
5. Follow On-Screen Prompts: Follow the on-screen prompts on the scan tool to begin the diagnostic process.

31. Why Choose MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for Your Diagnostic Needs

Choosing MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for your diagnostic needs provides access to a wealth of resources, expert guidance, and high-quality tools tailored specifically for Mercedes-Benz vehicles. Our comprehensive support, detailed guidelines, and personalized assistance ensure that you can perform diagnostic procedures safely and effectively. Contact us today to experience the difference.

The benefits of choosing MERCEDES-DIAGNOSTIC-TOOL.EDU.VN include:

• Expert Guidance: Access to experienced technicians and diagnostic specialists.
• High-Quality Tools: A wide selection of reliable and accurate scan tools.
• Comprehensive Support: Detailed guidelines, personalized assistance, and ongoing support.

By following these safety precautions and leveraging the expertise available at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, you can ensure a safe, efficient, and accurate diagnostic process for your Mercedes-Benz vehicle. Remember, prioritizing safety protects you, your vehicle, and your diagnostic equipment.

Are you ready to take the next step in ensuring the optimal performance and safety of your Mercedes-Benz? Contact MERCEDES-DIAGNOSTIC-TOOL.EDU.VN today for expert guidance, high-quality diagnostic tools, and personalized assistance. Reach us at 789 Oak Avenue, Miami, FL 33101, United States, via WhatsApp at +1 (641) 206-8880, or visit our website. Let us help you unlock the full potential of your Mercedes-Benz!

FAQ: Safety Precautions When Connecting/Using A Scan Tool

1. What Is The First Thing I Should Do Before Connecting A Scan Tool?

Ensure the vehicle is parked on a level surface, the parking brake is engaged, and the ignition is turned off. Check the battery’s condition to avoid interruptions during the diagnostic process.

2. Why Is It Important To Handle Scan Tool Cables Carefully?

Handle cables and connectors carefully to avoid damage or fraying. Connect and disconnect the tool only when the ignition is off to prevent electrical surges.

3. What Ppe Should I Wear When Using A Scan Tool?

Wear personal protective equipment (PPE), including safety glasses and gloves, to protect against potential hazards.

4. How Can I Prevent Electrical Hazards While Using A Scan Tool?

Avoid using the scan tool in wet or damp conditions. Ensure the tool is properly grounded and that all electrical connections are secure.

5. What Should I Do About Vehicle Emissions During Diagnostics?

Ensure the area is well-ventilated to avoid inhaling harmful exhaust fumes. Use an exhaust extraction system if available.

6. Should I Clear Dtcs Immediately After Reading Them?

No, always interpret Diagnostic Trouble Codes (DTCs) carefully and understand the underlying issue before clearing them. Document all DTCs and the steps taken to resolve them.

7. How Can I Protect Vehicle Data During Scan Tool Usage?

Ensure that the scan tool’s software is from a reputable source and regularly updated. Be cautious about connecting to unknown Wi-Fi networks.

8. What Should I Look For When Monitoring Live Data Streams?

Pay attention to the values displayed and compare them to the vehicle manufacturer’s specifications. Unusual or out-of-range values can indicate a problem.

9. What Precautions Should I Take When Performing Active Tests?

Follow the scan tool’s instructions carefully and be aware of the potential consequences of activating a component.

10. How Should I Store My Scan Tool To Ensure Safe Operation?

Store the scan tool in a clean, dry place away from extreme temperatures and direct sunlight. Regularly clean the tool and its cables.