1. Introduction
Thank you for choosing the IMETEC Hi-Man Expert GK3 900 Multi-Groomer. This versatile 8-in-1 grooming kit is designed for precise and efficient personal care, offering solutions for beard trimming, hair cutting, and body grooming. Featuring professional blades and a waterproof design, it ensures excellent results and easy maintenance. Please read this manual carefully before first use to ensure safe and optimal operation of your device.
2. Safety Instructions
Always observe the following safety precautions to reduce the risk of electric shock, injury, or fire:
- Do not immerse the charging base or power adapter in water or other liquids.
- This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Cleaning and user maintenance shall not be made by children without supervision.
- Only use the charger supplied with the appliance.
- Do not use the appliance if the blades are damaged or broken, as this may cause injury.
- Keep the appliance away from heat sources and direct sunlight.
- Ensure your hands are dry when handling the power adapter.
3. Product Components
Your IMETEC Hi-Man Expert GK3 900 Multi-Groomer comes with a comprehensive set of accessories for various grooming needs:
- Main Grooming Unit
- Mini Hair Clipper Head
- Finishing Device Head
- Precision Head
- T-Blade Head
- U-Blade Head
- Adjustable Combs for T-Blade (7 positions)
- Adjustable Combs for U-Blade
- Rechargeable Base / Storage Stand
- Power Adapter
- Cleaning Brush
- Lubricating Oil

Image: The IMETEC Hi-Man Expert GK3 900 multi-groomer unit displayed with its interchangeable heads and adjustable combs, illustrating the complete 8-in-1 kit.
4. Charging the Device
The IMETEC Hi-Man Expert GK3 900 can operate both corded and cordless, thanks to its rechargeable battery. Before first use, fully charge the device for approximately 8-10 hours.
- Ensure the device is switched OFF.
- Place the main grooming unit onto the rechargeable base.
- Connect the power adapter to the rechargeable base and then plug it into a suitable electrical outlet.
- The charging indicator light (if present) will illuminate.
- Once fully charged, disconnect the power adapter.
For optimal battery life, avoid overcharging and allow the battery to fully discharge occasionally before recharging.
5. Setup and Attachment Installation
To change or install an attachment head:
- Ensure the device is switched OFF.
- To remove a head, gently push it upwards from the main unit until it detaches.
- To attach a head, align it with the grooves on the main unit and push downwards until it clicks securely into place.
To use the adjustable combs:
- Select the appropriate comb for your desired cutting length. The T-Blade comb offers 7 cutting positions.
- Slide the comb onto the T-Blade or U-Blade head until it locks.
- Adjust the comb to your preferred length setting.

Image: The main grooming unit of the IMETEC Hi-Man Expert GK3 900, ready for attachment of various heads.
6. Operating Instructions
Before operating, ensure the desired attachment and comb (if needed) are securely installed.
General Operation:
- Press the ON/OFF button to start the device.
- Hold the device at a comfortable angle against your skin.
- Move the device slowly and steadily against the direction of hair growth for best results.
- Press the ON/OFF button again to turn off the device.
Specific Uses:
- Beard Trimming: Use the T-Blade or U-Blade with an adjustable comb to achieve your desired beard length. For precise lines, use the precision head without a comb.
- Hair Cutting: Attach the T-Blade head with the adjustable comb set to one of the 7 cutting positions. Move the clipper against the direction of hair growth.
- Finishing and Detailing: The finishing device and precision head are ideal for creating sharp lines, detailing sideburns, and trimming around the neckline.
- Body Grooming: The U-Blade or mini hair clipper can be used for general body hair trimming.

Image: A man showcasing a neatly groomed beard, illustrating the precision and versatility of the IMETEC Hi-Man Expert GK3 900 multi-groomer for facial hair styling.
7. Maintenance and Cleaning
Regular cleaning ensures optimal performance and extends the life of your multi-groomer. The heads are washable for easy cleaning.
- After Each Use: Turn off the device and remove the attachment head. Use the supplied cleaning brush to remove any loose hairs from the blades and the device body.
- Washing Heads: The attachment heads are waterproof. Rinse them under running water. Ensure they are completely dry before reattaching or storing.
- Lubrication: Periodically apply a small drop of the supplied lubricating oil to the blades to maintain their sharpness and smooth operation. Turn on the device for a few seconds to distribute the oil.
- Storage: Store the device and all accessories in the provided storage stand or a dry, safe place, away from children.

Image: The IMETEC Hi-Man Expert GK3 900 multi-groomer being cleaned under running water, highlighting its waterproof design and ease of maintenance.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is discharged or not properly charged. | Charge the device fully. Ensure the power adapter is correctly connected. |
| Poor cutting performance or pulling hair. | Blades are dull, dirty, or not lubricated. Hair buildup. | Clean the blades thoroughly. Apply lubricating oil. Replace blades if excessively dull. |
| Device stops during use. | Battery is low. Overheating. | Recharge the device. Allow the device to cool down before resuming use. |
| Attachments do not fit securely. | Incorrect alignment or debris. | Ensure the attachment is correctly aligned with the grooves and push firmly until it clicks. Clean any debris from the connection points. |
9. Specifications
- Model: IMETEC Hi-Man Expert GK3 900
- Manufacturer: IMETH
- Dimensions: 8.6 x 21.8 x 24 cm; 90 g
- Power Source: Corded or Cordless (Rechargeable Battery)
- Battery Type: 2 AA rechargeable batteries (included)
- Special Feature: Waterproof, Rechargeable
- Number of Blades: 2 (referring to the main cutting elements)
- Color: Black and White
10. Warranty and Support
This product is covered by a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including the warranty period and coverage details.
For technical support, spare parts, or any inquiries regarding your IMETEC Hi-Man Expert GK3 900, please contact your local retailer or visit the official Imetec website for customer service information. Keep your proof of purchase for warranty claims.
For more information, visit the Imetec Store.





