Introduction
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Truper ENNE-160 16 Gauge Pneumatic Stapler. Please read this manual thoroughly before using the tool to ensure proper handling and to prevent injury or damage.

Figure 1: Truper ENNE-160 16 Gauge Pneumatic Stapler, side view.
Safety Information
Always follow basic safety precautions when using power tools to reduce the risk of fire, electric shock, and personal injury. Keep this manual for future reference.
- Wear Eye Protection: Always wear safety glasses or goggles to protect against flying debris.
- Wear Hearing Protection: Prolonged exposure to noise from pneumatic tools can cause hearing damage.
- Disconnect Air Supply: Always disconnect the air supply before making adjustments, clearing jams, or performing maintenance.
- Keep Work Area Clear: Ensure your work area is well-lit and free of clutter.
- Secure Workpiece: Always secure the material you are working on to prevent movement.
- Never Point at People: Never point the tool at yourself or others, even if it is not connected to an air supply.
- Use Correct Air Pressure: Operate the tool within the specified air pressure range (75-110 PSI).
- Inspect Tool Before Use: Check for damaged parts, loose fasteners, or any other condition that may affect safe operation.
Product Features
The Truper ENNE-160 Pneumatic Stapler is designed for efficiency and user comfort. Key features include:
- Aluminum Housing: Durable and lightweight construction for extended use.
- Ergonomic Handle: Designed for operator comfort and reduced fatigue.
- Quick Release System: Facilitates easy clearing of jammed staples.
- Adjustable Depth Control: Allows precise control over staple depth.
- Metallic Contact Safety: Ensures staples are only fired when the tool is pressed against the workpiece.
- 360° Rotatable Air Exhaust Valve: Directs exhaust air away from the operator for improved comfort.
- Staple Compatibility: Uses staples from 3/4" to 2" in length.
- Working Pressure: Operates efficiently between 75 and 110 PSI.
- Cartridge Capacity: Holds up to 100 staples.

Figure 2: Key features and components of the Truper ENNE-160 Pneumatic Stapler.
Specifications
| Attribute | Value |
|---|---|
| Model Number | ENNE-160 |
| Staple Gauge | 16 Gauge |
| Material | Aluminum |
| Working Pressure | 75 - 110 PSI (517 - 758 kPa) |
| Staple Lengths | 3/4", 1", 1 1/4", 1 1/2", 1 3/4", 2" |
| Cartridge Capacity | 100 staples |
| Air Consumption | 8.9 CFM @ 90 PSI (252 L/min @ 620 kPa) |
| Product Dimensions | 11 x 36 x 31 cm (approximately 4.3 x 14.2 x 12.2 inches) |
| Product Weight | 3.6 kg (approximately 7.9 lbs) |

Figure 3: Dimensions of the Truper ENNE-160 Pneumatic Stapler.
Setup
- Connect Air Supply:
- Ensure the air compressor is off and depressurized.
- Connect a 1/4" NPT quick-change connector to the air inlet of the stapler.
- Attach the air hose from your compressor to the stapler's connector.
- Set the air compressor pressure regulator to the recommended operating range of 75-110 PSI. Do not exceed 110 PSI.
- Load Staples:
- Disconnect the air supply before loading staples.
- Locate the staple magazine release latch, typically at the rear of the magazine.
- Pull the magazine open or slide it back.
- Insert a strip of 16 gauge staples (3/4" to 2" length) into the magazine with the points facing down.
- Close the magazine securely until it latches.
- Adjust Depth Control:
- The stapler features an adjustable depth control mechanism.
- Rotate the depth adjustment knob or lever (refer to Figure 2 for location) to set the desired staple depth. Test on a scrap piece of material first.
Operating Instructions
- Prepare Workpiece: Ensure the material is clean, dry, and free of obstructions. Secure the workpiece if necessary.
- Connect Air: Reconnect the air supply to the stapler.
- Position Tool: Place the nose of the stapler firmly against the workpiece where you want to drive a staple. The metallic contact safety mechanism requires pressure against the surface to allow firing.
- Fire Staple: Squeeze the trigger to drive a staple. Release the trigger after each staple.
- Continuous Operation (if applicable): Some models allow for bump firing. If your model supports this, hold the trigger and bump the nose of the tool against the workpiece to drive staples rapidly. Always exercise caution with this mode.
- Clear Jams: If a staple jam occurs, immediately disconnect the air supply. Use the quick-release system to open the magazine and carefully remove the jammed staple. Reconnect air only after the jam is cleared and the magazine is closed.
- Adjust Air Exhaust: The 360° rotatable air exhaust valve can be adjusted to direct exhaust air away from your face or the workpiece.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your pneumatic stapler. Always disconnect the air supply before performing any maintenance.
- Lubrication: Apply a few drops of pneumatic tool oil into the air inlet daily or before each use. This lubricates internal components. Do not use detergent oil or automotive oil.
- Cleaning: Keep the tool clean and free of debris. Wipe down the exterior with a clean cloth. Periodically clean the magazine and nose area to prevent staple jams.
- Air Filter: If your air compressor has an inline air filter, ensure it is regularly cleaned or replaced to prevent contaminants from entering the tool.
- Inspect Hoses and Fittings: Regularly check air hoses and fittings for wear, leaks, or damage. Replace any damaged components immediately.
- Storage: Store the stapler in a dry, clean environment when not in use. Disconnect it from the air supply.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not fire | No air supply; Low air pressure; Safety contact not engaged; Jammed staples; Trigger mechanism fault. | Check air connection and compressor pressure; Ensure tool nose is firmly pressed against workpiece; Disconnect air and clear jam; Contact service if trigger fault. |
| Staples not driven fully | Low air pressure; Depth control set too shallow; Incorrect staple length for material. | Increase air pressure (within limits); Adjust depth control deeper; Use appropriate staple length. |
| Staples jam frequently | Damaged staples; Incorrect staple size; Dirty magazine; Worn driver blade. | Use new, correct staples; Clean magazine; Inspect and replace driver blade if worn. |
| Air leaks from tool | Loose fittings; Worn O-rings or seals. | Tighten fittings; Lubricate tool; If leaks persist, contact service for seal replacement. |
Warranty and Support
TRUPER products are manufactured to high-quality standards. For warranty information, service, or technical support, please refer to the warranty card included with your product or visit the official TRUPER website. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: Truper SA de CV