---
Introduction to the High Speed Air Metal Saw Model 91753
The High Speed Air Metal Saw Model 91753 is a pneumatic-powered cutting device engineered for rapid and precise metal cuts. Its robust construction and high-performance motor enable it to handle a variety of metals, including steel, aluminum, brass, and copper, with minimal effort. As a portable and lightweight tool, it is ideal for on-site tasks where electrical power sources are unavailable or impractical.
This manual aims to familiarize users with the saw’s features, operational procedures, safety measures, and maintenance routines. Proper understanding and adherence to these guidelines will extend the tool’s lifespan, improve cutting accuracy, and ensure safe workplace practices.
---
Features and Specifications
Understanding the features and specifications of the Model 91753 is vital for effective operation. Below are its key features:
Features
- High-Speed Operation: Capable of cutting at speeds up to 3,000 RPM for efficient metal processing.
- Pneumatic Power: Powered by compressed air, eliminating the need for electrical outlets and reducing fire hazards.
- Adjustable Cutting Head: Allows for setting different cutting angles and depths.
- Ergonomic Design: Balanced weight distribution and comfortable grip for reduced operator fatigue.
- Durable Construction: Made with high-quality materials to withstand industrial environments.
- Safety Guard: Protective housing around the blade to prevent accidental contact.
- Quick-Change Blade System: Facilitates fast blade replacement to minimize downtime.
Specifications
| Parameter | Specification |
|--------------|----------------|
| Model Number | 91753 |
| Power Source | Compressed Air (pneumatic) |
| Operating Pressure | 90-120 PSI |
| Speed | Up to 3,000 RPM |
| Blade Diameter | 1-1/4 inches (32 mm) |
| Max Cutting Capacity | 2 inches (50 mm) in steel |
| Weight | Approx. 8 lbs (3.6 kg) |
| Dimensions | 15" x 7" x 6" |
---
Safety Precautions
Before operating the High Speed Air Metal Saw Model 91753, it is crucial to observe safety guidelines to prevent injuries and equipment damage.
Personal Protective Equipment (PPE)
- Safety goggles or face shield to protect eyes from flying metal chips.
- Hearing protection if operating in noisy environments.
- Work gloves to improve grip and protect hands.
- Dust mask or respirator when cutting materials that produce fine metal dust.
Operational Safety
- Always inspect the saw before use for any damage or wear.
- Ensure the workpiece is securely clamped to prevent movement during cutting.
- Keep hands away from the blade area during operation.
- Do not force the saw; allow it to cut at its rated speed to prevent blade binding.
- Use the saw in a well-ventilated area to avoid accumulation of metal dust.
- Disconnect the air supply when changing blades or performing maintenance.
Workplace Safety
- Maintain a clean and organized workspace.
- Keep bystanders at a safe distance during operation.
- Be aware of compressed air hazards; never direct air towards yourself or others.
- Regularly check for proper tool grounding and air hose connections.
---
Operating Instructions
Proper operation is essential for achieving precise cuts and prolonging the life of the saw. Follow these step-by-step instructions:
Preparation
1. Inspect the Tool: Check for any visible damage, loose parts, or wear.
2. Set Up the Workpiece: Clamp the metal securely to prevent movement.
3. Connect Air Supply: Attach the air hose to a regulated compressed air source, ensuring the pressure is within the specified range (90-120 PSI).
4. Select Blade: Choose the appropriate blade diameter and type for your material.
5. Install Blade: Use the quick-change system to install the blade, ensuring it is securely fitted.
Operation
1. Adjust Cutting Angle: Use the adjustable head to set the desired cutting angle if needed.
2. Start the Saw: Engage the trigger switch, which typically requires pressing a safety lock and then squeezing the trigger.
3. Begin Cutting: Gently guide the saw into the material, applying steady pressure. Let the tool do the work; avoid pushing too hard.
4. Monitor Cutting Progress: Watch for signs of blade binding or overheating and adjust speed or pressure accordingly.
5. Complete the Cut: Once the cut is finished, release the trigger and allow the blade to come to a complete stop before lifting the saw away.
Post-Operation
- Disconnect air supply.
- Remove and inspect the blade for signs of wear or damage.
- Clean the saw and surrounding area.
- Store the tool in a dry, secure location.
---
Maintenance Procedures
Regular maintenance is vital for ensuring consistent performance and safety. Follow the maintenance schedule outlined below:
Daily Maintenance
- Inspect the air hose and connections for leaks.
- Check blade condition and replace if dull or damaged.
- Clean the saw housing and vents to prevent dust buildup.
- Lubricate moving parts as recommended by the manufacturer.
Weekly Maintenance
- Check for loose screws, bolts, or fittings and tighten as necessary.
- Inspect safety guards and replace if damaged.
- Verify the quick-change blade mechanism for proper operation.
- Drain moisture from the air compressor to prevent rust and contamination.
Monthly Maintenance
- Perform a thorough inspection of internal components.
- Replace blades and other consumables as needed.
- Lubricate internal moving parts with manufacturer-approved lubricants.
- Calibrate the saw’s settings to ensure cutting accuracy.
Blade Replacement Tips
- Always use blades approved for the Model 91753.
- Use the quick-change system to minimize downtime.
- Wear gloves during blade handling to avoid cuts.
- Ensure the blade is properly aligned and tightened before operation.
---
Troubleshooting Common Issues
Despite proper maintenance, issues may occasionally arise. Below are common problems and their solutions:
Blade Doesn’t Spin or Spins Slowly
- Possible Causes: Low air pressure, clogged air filters, or a damaged motor.
- Solutions: Check and increase air pressure within recommended range; clean or replace air filters; inspect motor and replace if faulty.
Inconsistent Cutting or Dull Blade
- Possible Causes: Worn or dull blade, incorrect blade for material.
- Solutions: Replace the blade with a new, appropriate one; ensure proper blade installation.
Excessive Vibration or Noise
- Possible Causes: Loose parts, unbalanced blade, or worn bearings.
- Solutions: Tighten all connections; replace unbalanced or damaged blades; inspect and replace bearings if necessary.
Overheating During Operation
- Possible Causes: Overworking the saw, high ambient temperature, or insufficient lubrication.
- Solutions: Allow the saw to cool down; reduce cutting speed; ensure proper lubrication routines.
---
Storage and Transportation Tips
Proper storage extends the life of the High Speed Air Metal Saw Model 91753:
- Clean the saw thoroughly after use.
- Store in a dry, cool place away from moisture.
- Protect the blade from impacts or corrosion.
- Disconnect and drain air hoses before moving the tool.
- Use protective covers if available during transportation.
---
Conclusion
The High Speed Air Metal Saw Model 91753 is a versatile and efficient tool that, when operated and maintained correctly, can significantly enhance metalworking productivity. This manual has covered essential aspects—from understanding its features and safety precautions to operational procedures and maintenance routines. Operators are encouraged to follow these guidelines meticulously to ensure safe, reliable, and long-lasting performance of the saw. Regular training and adherence to safety standards will not only optimize cutting results but also safeguard personnel and equipment in the workplace.
By investing time in proper usage and upkeep, users can enjoy the full benefits of the Model 91753, making it an invaluable asset in any metal fabrication or maintenance setting.
Frequently Asked Questions
Where can I find the official manual for the high speed air metal saw model 91753?
You can find the official manual for the high speed air metal saw model 91753 on the manufacturer's website or by contacting their customer support for a downloadable PDF version.
What safety precautions should I follow when using the model 91753 air metal saw?
Always wear appropriate personal protective equipment, ensure the work area is clear, secure the material properly, and follow the safety instructions outlined in the manual to prevent injuries.
How do I troubleshoot common issues with the high speed air metal saw 91753?
Refer to the troubleshooting section of the manual, which covers issues like low cutting speed, unusual noise, or vibrations, and provides step-by-step solutions to resolve these problems.
What maintenance tasks are recommended for the model 91753 air metal saw?
Regular maintenance includes checking and replacing blades, lubricating moving parts as specified, inspecting air supply connections, and cleaning debris from the saw to ensure optimal performance.
Are there any recommended accessories or replacement parts for the 91753 saw?
Yes, recommended accessories include compatible blades, air filters, and replacement seals, which are typically listed in the manual or available through the manufacturer’s parts department.
What are the technical specifications of the high speed air metal saw model 91753?
The manual provides detailed specifications such as maximum cutting capacity, air pressure requirements, motor speed, and dimensions to help users operate the saw correctly.
Can I customize or upgrade parts of the 91753 air metal saw?
Customization options are limited; however, some users may upgrade blades or replace certain components following the guidelines in the manual. Always consult the manufacturer before modifications.
