1. Product Overview
The Stanley Bostitch MB2140-E is a pneumatic pin stapler designed for various fastening applications. It features a robust construction and ergonomic design for comfortable and efficient operation. This manual provides essential information for safe and effective use of your tool.
Key Features:
- Ergonomic rubber grip for enhanced comfort and control.
- Secondary trigger mechanism for improved safety.
- Molded carrying case for convenient storage and transport.
- Easy fastener removal system.
- Magazine with automatic adjustment for various fastener lengths.
Figure 1: The Stanley Bostitch MB2140-E Pin Stapler. This image shows the complete tool, highlighting its orange and black body, ergonomic grip, and magazine.
2. Safety Instructions
Always follow basic safety precautions when using this tool to reduce the risk of personal injury. Read and understand all instructions before operation.
General Safety:
- Eye Protection: Always wear ANSI Z87.1 approved safety glasses with side shields.
- Hearing Protection: Wear hearing protection during extended use.
- Proper Attire: Do not wear loose clothing or jewelry that could get caught in moving parts.
- Work Area: Keep the work area clean, well-lit, and free of clutter.
- Air Pressure: Do not exceed the recommended operating pressure.
- Disconnect Air: Always disconnect the air supply before loading fasteners, performing maintenance, or clearing jams.
- Tool Inspection: Inspect the tool for damage before each use. Do not use a damaged tool.
- Keep Hands Clear: Never place hands or other body parts near the fastener discharge area.
3. Setup
Connecting to Air Supply:
- Ensure the air compressor is off and the air hose is depressurized.
- Connect a 1/4 BSP threaded air fitting to the tool's air inlet.
- Connect the air hose from the compressor to the tool's air fitting.
- Set the air compressor pressure regulator to the recommended operating pressure (4-7 bar / 60-100 PSI).
- Turn on the air compressor.
Loading Fasteners:
- Disconnect the air supply from the tool.
- Locate the magazine release mechanism.
- Open the magazine.
- Insert the appropriate Mini S or Mini Tip S series fasteners (12-40mm length) into the magazine, ensuring they are correctly oriented.
- Close the magazine securely until it latches.
- Reconnect the air supply.
4. Operating Instructions
Always wear safety glasses and hearing protection during operation.
- Ensure the tool is properly connected to the air supply and loaded with fasteners.
- Hold the tool firmly with both hands, maintaining a stable stance.
- Place the nose of the tool against the workpiece where the fastener is to be driven.
- Engage the secondary trigger (if applicable) and then depress the main trigger to drive a fastener.
- Release the trigger after each fastener is driven.
- Allow the tool to fully cycle before driving the next fastener.
Figure 2: The Stanley Bostitch MB2140-E Pin Stapler being used to fasten wood. This image demonstrates the proper grip and positioning of the tool during operation.
5. Maintenance
Regular maintenance ensures optimal performance and extends the life of your tool. Always disconnect the air supply before performing any maintenance.
Daily Maintenance:
- Lubrication: Apply a few drops of pneumatic tool oil into the air inlet at the beginning of each workday or after every hour of continuous use.
- Cleaning: Wipe down the tool with a clean, dry cloth to remove dust and debris.
- Air Filter: Check and clean the air filter on your compressor regularly to prevent contaminants from entering the tool.
Periodic Maintenance:
- Fastener Path: Periodically inspect the fastener path for any obstructions or wear.
- Air Connections: Check all air connections and hoses for leaks or damage. Replace worn components as needed.
- Fastener Removal System: Ensure the easy fastener removal system operates smoothly. Clean if necessary.
6. Troubleshooting
Before attempting any repairs, always disconnect the air supply from the tool.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not fire | No air supply; Low air pressure; Empty magazine; Trigger malfunction | Check air connection and compressor; Adjust air pressure; Reload fasteners; Contact service for trigger issues |
| Fasteners jam frequently | Incorrect fastener size; Damaged fasteners; Dirty magazine; Worn driver blade | Use correct fasteners; Replace damaged fasteners; Clean magazine; Contact service for blade replacement |
| Fasteners not driven flush | Low air pressure; Incorrect fastener length; Worn bumper | Increase air pressure; Use appropriate fastener length; Contact service for bumper replacement |
| Air leaks from tool | Loose fittings; Damaged O-rings/seals | Tighten fittings; Contact service for seal replacement |
7. Specifications
Technical specifications for the Stanley Bostitch MB2140-E Pin Stapler.
| Specification | Value |
|---|---|
| Power Type | Pneumatic |
| Weight | 1.20 kg (2.65 lbs) |
| Dimensions (L x W x H) | 253 mm x 42 mm x 202 mm |
| Magazine Capacity | 140 fasteners (max) |
| Fastener Series (Mini S) | Diameter: 0.8 mm; Length: 12-40 mm; Head: 0.8 mm; Strip Angle: 0° |
| Fastener Series (Mini Tip S) | Diameter: 0.8 mm; Length: 12-40 mm; Head: 1.3 mm; Strip Angle: 0° |
| Operating Pressure | 4 - 7 bar (60 - 100 PSI) |
| Air Consumption | 1 Ltr. per shot at 5.6 bar |
| Air Inlet Thread Type | 1/4 BSP |
| Noise Level (LPA 1SD) | 74.03 dB |
| Noise Level (LWA 1sd) | 87.10 dB |
| Noise Level (LPA 1s, 1m) | 80.48 dB |
| Vibration/Uncertainty | 2 |
| Material | Rubber (grip) |
8. Warranty and Support
Stanley Bostitch products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official Stanley Bostitch website. For technical support, spare parts, or service inquiries, please contact your local Stanley Bostitch authorized service center or customer support.