1. Introduction
This instruction manual provides essential information for the safe and effective operation, maintenance, and care of your PARKSIDE PMK 550 A1 Nibbler. Please read this manual thoroughly before using the tool and keep it for future reference. Proper use and adherence to safety guidelines will ensure optimal performance and extend the lifespan of your device.
2. General Safety Instructions
Always observe basic safety precautions when using electric tools to reduce the risk of fire, electric shock, and personal injury. Familiarize yourself with all warnings and instructions.
- Read the Manual: Before operation, read and understand all instructions and safety warnings provided in this manual.
- Work Area: Keep your work area clean and well-lit. Cluttered or dark areas invite accidents.
- Electrical Safety: Ensure the power supply matches the tool's requirements. Avoid using the tool in damp or wet conditions. Do not abuse the power cord.
- Personal Protective Equipment (PPE): Always wear safety glasses, hearing protection, and appropriate work gloves. A dust mask is recommended when cutting materials that produce fine particles.
- Secure Workpiece: Always clamp or secure the workpiece to prevent movement during cutting.
- Stay Alert: Pay attention to what you are doing and use common sense. Do not operate the tool when tired or under the influence of drugs, alcohol, or medication.
- Disconnect Power: Always disconnect the tool from the power source before making any adjustments, changing accessories, or performing maintenance.
3. Package Contents
Carefully unpack all items and check for completeness and any signs of damage. If any parts are missing or damaged, contact your retailer.
- PARKSIDE PMK 550 A1 Nibbler
- 2 Hexagonal Keys
- Instruction Manual (this document)

Image 3.1: Included accessories, typically two hexagonal keys for adjustments.
4. Components Overview
Familiarize yourself with the various parts of your PARKSIDE PMK 550 A1 Nibbler before operation.

Image 4.1: Overview of the PARKSIDE PMK 550 A1 Nibbler.
- Motor Housing
- Power Switch (On/Off)
- Lock Button (for continuous operation)
- Cutting Head (Punch and Die)
- Depth Adjustment Mechanism
- Power Cord
5. Setup and Preparation
Before initial use, ensure the nibbler is correctly set up.
- Unpacking: Remove the nibbler and all accessories from the packaging. Inspect for any transport damage.
- Power Connection: Ensure the power cord is free from damage. Connect the tool to a suitable 110 Volt power outlet.
- Cutting Head Inspection: Verify that the punch and die are correctly installed and free from wear or damage. Use the provided hexagonal keys for any adjustments or replacements as per the detailed instructions in the full manual (not provided here).
- Depth Adjustment: If your application requires a specific cutting depth, adjust the depth mechanism using the appropriate hexagonal key. Refer to the tool's markings for guidance.
6. Operating Instructions
The PARKSIDE PMK 550 A1 Nibbler is designed for cutting sheet metal, particularly aluminum, with precision.

Image 6.1: The nibbler in operation, demonstrating its cutting capability on sheet metal.
- Secure Workpiece: Always secure the material you intend to cut to a stable surface.
- Power On: Press the power switch to turn on the nibbler. For continuous operation, engage the lock button.
- Start Cutting: Position the cutting head over the edge or a pre-drilled pilot hole in the material. Apply steady, even pressure and guide the tool along the desired cutting line.
- Cutting Technique: Allow the tool to do the work. Do not force the nibbler through the material, as this can damage the punch and die or the motor.
- Curved Cuts: The nibbler is suitable for making both straight and curved cuts. Guide the tool smoothly to achieve the desired shape.
- Power Off: Release the power switch to turn off the tool. If the lock button was engaged, press the power switch again to disengage it.
7. Maintenance and Care
Regular maintenance ensures the longevity and safe operation of your nibbler.
- Cleaning: After each use, disconnect the power and clean the tool, especially the cutting head, from metal chips and dust using a brush or compressed air.
- Punch and Die: Regularly inspect the punch and die for wear. Worn components should be replaced promptly to maintain cutting performance and prevent damage to the tool.
- Lubrication: Apply a small amount of appropriate lubricant to the moving parts of the cutting head as recommended by the manufacturer (refer to the full manual for specifics).
- Power Cord: Check the power cord for any signs of damage. Do not use the tool if the cord is damaged.
- Storage: Store the nibbler in a dry, secure place, out of reach of children.
8. Troubleshooting
This section addresses common issues you might encounter with your nibbler.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | No power supply; Damaged power cord; Faulty switch | Check power connection; Inspect power cord; Contact service center |
| Poor cutting performance | Worn punch or die; Incorrect depth adjustment; Material too thick | Replace punch/die; Adjust cutting depth; Ensure material is within tool's capacity |
| Excessive vibration/noise | Loose components; Damaged internal parts; Worn cutting head | Check for loose screws; Contact service center; Replace cutting head components |
9. Technical Specifications
| Feature | Specification |
|---|---|
| Model | PMK 550 A1 |
| Manufacturer | PARK SIDE |
| Power | 550 Watts |
| Voltage | 110 Volts |
| Product Dimensions (L x W x H) | 18 x 32 x 25 cm |
| Weight | 1.82 Kilograms |
| Color | Green |
| Handle Material | Plastic or Rubber |
| Cutting Head Material | High-speed steel |
| Recommended Surface | Aluminum |
| Special Features | Depth adjustment, Lock |
| Included Components | 2 hexagonal keys |
| Reference Number | IAN-100374712 |
10. Warranty and Support
This PARKSIDE product is manufactured with care and undergoes strict quality controls. For information regarding warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support, spare parts, or service inquiries, please contact the PARKSIDE customer service department or an authorized service center.





