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Summary of Contents for Hoffmann MU3-P
- Page 1 Operating and Maintenance Manual OFFMANN MU3-P and MU3-PD achine manual dovetail routing machine Company, Inc. Version: 7.205.00 Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 – USA Ph: (828) 430 - 4510 www.Hoffmann-USA.com...
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Page 2: Table Of Contents
24-B MACHINE DRAWINGS AND PARTS LISTS ..................33 24-C MACHINE DRAWINGS AND PARTS LISTS ..................34 PNEUMATIC CIRCUIT DIAGRAM ......................35 TERMS AND CONDITIONS OF SALE AND WARRANTY ..............36 HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 3: Warning And Safety Symbols Used In This Manual
This symbol does not include a warning. It is used to denote helpful hints and tips to improve the operation and performance of the equipment. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... - Page 4 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.
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Page 5: Intended Use And Operation
Intended Use and Operation The HOFFMANN MU3-series dovetail routing machines are designed solely for manually routing dovetail keyways for Hoffmann Dovetail Keys into solid hard and soft wood, wood-related materials such as MDF, plywood, particleboard and certain plastic materials. Dovetail Keyways in sizes W-0, W-1, W-2 and W-3 can be routed with the standard router motor, a larger 1,000 watt router motor is recommended for use with W-4 router bits. -
Page 6: Technical Changes And Maintenance
Operating and Maintenance Manual 3.2 Technical Changes and Maintenance Technical changes or alterations of any kind are only permitted if the prior written authorization from Hoffmann Machine Company, Inc. has been secured. Never remove safety guards and shields, remove or by-pass safety devices, switches, sensors, use or install tooling other than originally supplied. -
Page 7: Machine Description
Terminology used in this manual MU3-series = HOFFMANN MU3-P or MU3-PD Dovetail Routing Machine = Hoffmann dovetail router bits in sizes W-0, W-1 / W-2 / W3 Workpiece = User supplied moulding profiles made of wood or wood related materials ... -
Page 8: Technical Data And Specifications
1/4” (6.35mm) Router motors Hoffmann router motor Type UAD-33 885 watt – 120 volt Router bits Hoffmann Dovetail Router Bits, size W0 / W1 / W2 / W3 Compressed Air Supply: 90 psi (6bar) clean and dry air Compressed Air Requirements Approx. -
Page 9: Mechanical Dangers
Do not remove any switch cover or motor end cap. Never use damaged or worn cables, wires, supply lines or electrical components or parts on this machine. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 10: Cleaning Agents And Chemicals
Machine is owner is responsible for providing suitable protective gear depending on total noise emissions and local and state laws and regulations. All OSHA regulations pertaining to noise protection are to be adhered to. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 11: Warranty And Liability
Operating and Maintenance Manual Warranty and Liability The „Hoffmann Machine Company, Inc. Terms and Conditions of Sale“ are the basis for all dealings between the manufacturer and the customer. These Terms have been made available to the customer during the proposal and order processing stage. -
Page 12: Electrical And Dust Collection Connections
Operating and Maintenance Manual Electrical and Dust Collection Connections Hoffmann MU3-series dovetail routing machine are equipped with power cords for 120 volt US household current. Connect the power cord to a suitable outlet or, if using an extension cord, use the shortest extension cord possible. -
Page 13: Changing Router Bits
When installing a new bit try to get close to the listed dimensions but don’t spend too much time trying to get a “perfect” setting. The final adjustment will be made by moving the whole motor in and out – see next page! HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 14: Changing Router Bits - Continued
Lock-Screw or Locking-Lever will bring the motor back to its proper horizontal position and cause the router bit projection to be off. Always wear safety glasses when operating this machine! HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 15: Router Bit Adjustments
Operating and Maintenance Manual Router Bit Adjustments Hoffmann Dovetail Keys are designed to create permanent and reliable joints in a wide range of wood products. For optimum strength and reliability, it is important to adjust the router bits properly. The medium or factory settings for the router bit projection (measurement “X”) are:... -
Page 16: Selecting Key Length And Setting Routing Stroke
For larger quantities we found using a bandsaw with a fine toothed blade is safer than any type of miter of chop saw. Always read and follow all safety instructions that came with your power tools! HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 17: Calibrating And Using Digital Displays (Mu3-Pd)
Operating and Maintenance Manual Calibrating and Using Digital Displays (MU3-PD) Hoffmann MU3-PD dovetail routing machines are equipped with a dual LCD (liquid crystal display). Display for routing height Display for keyway location Compressed air connection Height adjustment bar with magnetic tape... -
Page 18: Calibrating Top Display To Set The Routing Stroke
7. Press again for 3 seconds to return to normal operating mode. 8. Press simultaneously to calibrate display to newly stored reference number 3.2mm 0.125” HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... - Page 19 3 seconds to enter Parameter Mode 3. Press repeatedly until Parameter 9 (P9) is reached 4. Press again to display numeric values 5. Press to select digit you wish to change HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©...
- Page 20 (slight variation may be due to reading errors, width of pencil line, etc.) If distance shown on display varies by more than 0.5mm, adjust reference value in Parameter 9 up or down as needed. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©...
- Page 21 A = 1 resolution 0.1mm P08: Multiplication Factor 1.0000 (0.0001….9.9999) P09: Reference Value (-9.9999…+9.9999) P10: Offset # 1 P11: Offset #2 P12: Offset #3 P13: A Offset Configurations P99: Software Version x.xx HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©...
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Page 22: Overview - Center Fence Plate And Square Stop
Operating and Maintenance Manual Overview - Center Fence Plate and Square Stop Hoffmann Dovetail Joining Machines are equipped with an innovative fence system for joining miter joints at any angle as well as square or butt joints, end-to-end joints, etc. -
Page 23: Examples Of Joining Angles Other Than 45 Degrees
Operating and Maintenance Manual Examples of joining angles other than 45 degrees Material Processing Part 1 Processing Part 2 Joining parts at any angle Joining radiused parts HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 24: Step-By-Step Instructions For 45 Degree Miter Joints
7. The motor will switch off and the hold down clamp will release the material. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 25: 18-A Accessories For Mu3-Series Dovetail Routing Machines
This Square Stop is supplied with the Gives added support for end-to-end and Aluminum height extensions for machine as standard equipment butt joints on tall material installation on Square Stop W3020001 HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 26: 18-B Accessories For Mu3-Series Dovetail Routing Machines
Sturdy flip-stop with locking lever, Sturdy flip-stop with locking lever, for use in table fence rail & extension rails reversible for left and right hand use reversible for left and right hand use HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 27: Router Bits For Mu3-Series Dovetail Routing Machines
HOFFMANN Digital Multi Gauge Instead of using the steps in the square-stop (see page 16), the HOFFMANN Digital Multi Gauge can be used to set precise router bit projections on the machines. The digital read-out allows precise setting of router bits which is especially helpful in cases were a little less or more draw (or clamping force) is required. -
Page 28: Hoffmann Dovetail Keys
W2 - 13/16" solid white polymer W2 - 22mm 1,000 pcs. carton W9202200-22 W2 - 7/8" solid white polymer W2 - 25.4mm 1,000 pcs. carton W9202500-22 W2 - 1" solid white polymer HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 29: Hoffmann Dovetail Keys
W8410000-OAK W - 4 oak 3-ply 12" long 3-ply laminated W8410000-WAL W - 4 solid walnut 12" long solid hardwood W8410000-WEN W - 4 solid wenge 12" long solid hardwood HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 30: Hoffmann Dovetail Key Sample Cases
Part Number: W9000111 W-1 Hoffmann Dovetail Key Sample Case is a sturdy, securely latching plastic case with approx. 20 pieces each of all W-1 Dovetail Keys. Inside label clearly indicates each Key size with dimension and part number. Case contains approx. 180 Keys. -
Page 31: Troubleshooting
11 Please contact Hoffmann Technical Support at any time with any questions, concerns or other issues. We are here to help you get the most out of your Hoffmann Dovetail Joining Machine. Toll-free: 866 – 248 – 0100 International: 001 –... -
Page 32: 24-A Machine Drawings And Parts Lists
Operating and Maintenance Manual 24-a Machine Drawings and Parts Lists HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 33: 24-B Machine Drawings And Parts Lists
Operating and Maintenance Manual 24-b Machine Drawings and Parts Lists HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 34: 24-C Machine Drawings And Parts Lists
Fine Adjustment Knob Hoffmann router motor 120 volt –885w W3900046 XXXX Hoffmann dovetail router bit Note all listed parts may be visible on machine drawings. Machine design is subject to change. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 35: Pneumatic Circuit Diagram
Operating and Maintenance Manual Pneumatic Circuit Diagram HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©... -
Page 36: Terms And Conditions Of Sale And Warranty
1. Application and Scope: 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... - Page 37 Any such determination shall not affect the enforceability or validity of the remaining provisions. This manual was created to the best of our knowledge at time of writing – subject to future updates. HOFFMANN MU3-P & MU3-PD • Version 7.205.00 • 01-2018 ©...
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