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Hoffmann MU2-P Operating Manual

Hoffmann dovetail routing machine
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OPERATING MANUAL
for
Hoffmann Dovetail Routing Machine
Model MU2-P
Hoffmann Machine Company, Inc.
1386 Drexel Road
Valdese, NC 28690 USA
Fax: (828) 430 – 4620
Phone: (828) 430 - 4510
e-mail: info@Hoffmann-USA.com
www.Hoffmann-USA.com
Toll-free Technical Support: (866) 248 – 0100
© Hoffmann Machine Company, Inc.

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  • Page 1 Hoffmann Dovetail Routing Machine Model MU2-P Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 USA Fax: (828) 430 – 4620 Phone: (828) 430 - 4510 e-mail: info@Hoffmann-USA.com www.Hoffmann-USA.com Toll-free Technical Support: (866) 248 – 0100 © Hoffmann Machine Company, Inc.

  • Page 2: Safety And Warning Labels

    For your own safety, please take a moment to locate and read all warning labels before operating this machine. If a label has been removed, defaced or is illegible, please contact Hoffmann Machine Company, Inc. to request a free replacement.

  • Page 3: Safety Rules

    11. When interrupting work or upon leaving the area, machine must be switched off. Only trained and qualified personnel must be allowed to use machine. Only original Hoffmann replacement parts must be used to rebuild machine. Hoffmann Machine Company, Inc.

  • Page 4: Operator Training

    The Hoffmann Dovetail Routing Machine model MU-2P is designed solely to process material for the Hoffmann Dovetail Joining System. This machine is to be used only to process material for Hoffmann Dovetail Keys, size W-1, W-2 and W-3. SE OF THIS MACHINE FOR ANY OTHER OPERATION IS DANGEROUS AND WILL VOID THE WARRANTY The manufacturer cannot be held liable if the machine is used for any operations other than outlined in this manual.

  • Page 5: Technical Data

    The potential risk of injury on the electrical parts of the machine. The potential risk of injury on the pneumatic elements of the machine. 6. Toolkit The machine is shipped with a Hoffmann toolkit, consisting of: • Hex key 2.5mm •...
  • Page 6 Hoffmann MU2-P Dovetail Routing Machine - 5 - 8. Machine Installation 8.1 Unpacking – Inspection Upon receipt, check the machine and shipping container for any damage. Report any transportation damage to the delivering carrier and indicate it on the bill of lading. Request an immediate inspection for assessment of damage.

  • Page 7: Machine Operation

    Hoffmann MU2-P Dovetail Routing Machine - 6 - 9. Machine Operation 9.1 Standard 45-degree miters with one key per joint The machine is equipped with a routing height adjustment rod (2). The scale (3) on the vertical bar indicates the height the router bit will travel into the material. To adjust the height, simply loosen the locking lever (1) and move the bar to the desired height.
  • Page 8 9.3 Miter joints with angles other than 45 degrees Replace the standard 45-degree steel fence plate (shipped with machine) with either a fixed fence plate for hexagon or octagon frames, or the adjustable Hoffmann Synchro fence and proceed as outlined in section 9.2.
  • Page 9 Key location and routing height. This series of pictures shows the operation on a MU-2 manual bench-top machine, however the same set-up is used in principle on all Hoffmann Dovetail Routing machines. dovetail keyway locations...
  • Page 10 Hoffmann MU2-P Dovetail Routing Machine - 9 - 10. Accessories for MU2 and MU2P bench-top models Syncro fence, adjustable from 18-64º Laser guide for working to pencil lines order number: W 3105000 order number: W 3900006 Table flip-stop with spring loaded tab Inside corner fences for 45º...
  • Page 11 8. Lower the carriage to its home position and re-connect electrical power and air supply. 9. Make a test cut and verify proper settings by inserting a Hoffmann key. 10. Disconnect electrical power supply and compressed air again before proceeding to install chip breaker! 11.
  • Page 12 Hoffmann MU2-P Dovetail Routing Machine - 11 - 11.1 Change of router bit LWAYS DISCONNECT THE ELECTRICAL POWER SUPPLY BEFORE ATTEMPTING ANY SERVICE MAINTENANCE OR REPAIR WORK threaded stem (49/50) raised router bit old chip breaker & screw loosen screw to remove motor from carriage...

  • Page 13: Fine Adjustment

    18. If the new setting is unsatisfactory, the above steps are repeated. To re-set the machine to the factory setting, use the included aluminum set-up jig. Wrong Setting Correct Setting 12. Applications for the Hoffmann Dovetail Joining System Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690...

  • Page 14: Maintenance

    • The cooling vents in the motor housing must be kept free from dust and debris. • Promptly replace damaged or worn router bits. Use only Original Hoffmann Dovetail Router Bits for best performance. • All fasteners, nuts and bolts should be checked periodically and re-tightened as necessary.

  • Page 15: Parts List

    Hoffmann MU2-P Dovetail Routing Machine - 14 - 15. Parts List 1. Cast aluminum table base 41. Router bit 2. Fence rail 42. Scale, self-adhesive 3. Arm 43. Screw 4. Motor carriage 44. Lock nut 5. Fence plate 45. Linear bearing 6.
  • Page 16 Hoffmann MU2-P Dovetail Routing Machine - 15 - 16.1 MU2P side view Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 Phone: (828) 430 - 4510 Fax: (828) 430 - 4620 e-mail: info@Hoffmann-USA.com www.Hoffmann-USA.com...
  • Page 17 Hoffmann MU2-P Dovetail Routing Machine - 16 - 16.2 MU2P front view Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 Phone: (828) 430 - 4510 Fax: (828) 430 - 4620 e-mail: info@Hoffmann-USA.com www.Hoffmann-USA.com...
  • Page 18 Hoffmann MU2-P Dovetail Routing Machine - 17 - 16.3 MU2P top view Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 Phone: (828) 430 - 4510 Fax: (828) 430 - 4620 e-mail: info@Hoffmann-USA.com www.Hoffmann-USA.com...
  • Page 19 Hoffmann MU2-P Dovetail Routing Machine - 18 - 16.4 MU2P rear view Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 Phone: (828) 430 - 4510 Fax: (828) 430 - 4620 e-mail: info@Hoffmann-USA.com www.Hoffmann-USA.com...

  • Page 20: Electric Schematic

    Hoffmann MU2-P Dovetail Routing Machine - 19 - 17. Electric Schematic Note: All MU-2 machines for the USA, Canada and Mexico are shipped for 115 Volt, single phase electrical power supply. Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690...

  • Page 21: Pneumatic Schematic

    Hoffmann MU2-P Dovetail Routing Machine - 20 - 18. Pneumatic Schematic Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 Phone: (828) 430 - 4510 Fax: (828) 430 - 4620 e-mail: info@Hoffmann-USA.com www.Hoffmann-USA.com...
  • Page 22 Hoffmann MU2-P Dovetail Routing Machine - 21 - 19. Hoffmann Dovetail Keys, standard brown plastic, without flange Part number length in inches length in mm W 9100600 W1 – 1/4” 6.0mm W 9101000 W1 – 3/8” 10.0mm W 9101400 W1 – 9/16”...
  • Page 23 SELLER MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. It is buyer’s sole responsibility to test, approve and authorize the use of the Hoffmann Dovetail Joining System and the Hoffmann Dovetail Keys or “Schwalbe” for any and all applications.

  • Page 24: Terms And Conditions Of Sale

    The terms and conditions contained herein apply to proposals made, and to purchase orders received, by HOFFMANN MACHINE COMPANY, INC. (hereinafter called “Seller”), and sets forth the entire agreement between the parties hereto, and supersedes all communication, representations or agreements, whether...
  • Page 25 Hoffmann MU2-P Dovetail Routing Machine - 24 - 21. Terms and Conditions of Sale (continued) 6. Warranty Adjustment Terms: (a) Adjustments will be limited to claims which are presented promptly after the product is found to be defective, and within the aforesaid warranty period.
  • Page 26 Hoffmann MU2-P Dovetail Routing Machine - 25 - 21. Terms and Conditions of Sale (continued) 12. Cancellations or Returns: Buyer shall not cancel any order nor return any equipment without first obtaining the written consent of Seller. In any event, in case of refusal or inability of Buyer to accept a delivery, the Buyer shall nevertheless be liable for freight, express, storage, handling, restocking and any other expense resulting.

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