Operating and Maintenance Manual
©HOFFMANN MU3 & MU3-D • Version 7.205.00 • 01-2018 2
1 Table of contents
2WARNING AND SAFETY SYMBOLS USED IN THIS MANUAL...........................................................3
3INTENDED USE AND OPERATION....................................................................................................... 5
3.1 Transportation and Installation ..........................................................................................................5
3.2 Technical Changes and Maintenance ...............................................................................................6
3.3 Operator and Maintenance Personnel...............................................................................................6
3.4 Equipment Owner’s Responsibilities .................................................................................................6
3.5 Change of Ownership........................................................................................................................6
4MACHINE DESCRIPTION.......................................................................................................................7
4.1 Terminology used in this manual...................................................................................................7
4.2 Machine Description......................................................................................................................7
5 TECHNICAL DATA AND SPECIFICATIONS.........................................................................................8
5.1 Operator Environment........................................................................................................................8
6.2 Mechanical Dangers ..........................................................................................................................9
6.3 Defective equipment..........................................................................................................................9
6.4 Electrical Dangers.............................................................................................................................. 9
6.5 Cleaning agents and chemicals.......................................................................................................10
6.6 Remaining Risks..............................................................................................................................10
7 Noise Emissions .................................................................................................................................10
8WARRANTY AND LIABILITY...............................................................................................................11
9ELECTRICAL AND DUST COLLECTION CONNECTIONS ................................................................ 12
10 CHANGING ROUTER BITS.................................................................................................................. 13
10 CHANGING ROUTER BITS - CONTINUED .........................................................................................14
11 ROUTER BIT ADJUSTMENTS.............................................................................................................15
12 SELECTING KEY LENGTH AND SETTING ROUTING STROKE.......................................................16
13 CALIBRATING AND USING DIGITAL DISPLAYS (MU3-D) ...............................................................17
14 CALIBRATING TOP DISPLAY TO SET THE ROUTING STROKE.....................................................18
15 OVERVIEW - CENTER FENCE PLATE AND SQUARE STOP ........................................................... 22
16 EXAMPLES OF JOINING ANGLES OTHER THAN 45 DEGREES..................................................... 23
17 STEP-BY-STEP INSTRUCTIONS FOR 45 DEGREE MITER JOINTS ................................................24
18-A ACCESSORIES FOR MU3-SERIES DOVETAIL ROUTING MACHINES............................................25
18-B ACCESSORIES FOR MU3-SERIES DOVETAIL ROUTING MACHINES............................................26
19 ROUTER BITS FOR MU3-SERIES DOVETAIL ROUTING MACHINES.............................................. 27
20 HOFFMANN DOVETAIL KEYS ............................................................................................................28
21 HOFFMANN DOVETAIL KEYS ............................................................................................................29
22 HOFFMANN DOVETAIL KEY SAMPLE CASES................................................................................. 30
23 TROUBLESHOOTING ..........................................................................................................................31
24-A MACHINE DRAWINGS AND PARTS LISTS........................................................................................32
24-B MACHINE DRAWINGS AND PARTS LISTS........................................................................................33
24-C MACHINE DRAWINGS AND PARTS LISTS........................................................................................34
25 TERMS AND CONDITIONS OF SALE AND WARRANTY ..................................................................35
