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Related Manuals for Powermatic 720HD
Summary of Contents for Powermatic 720HD
- Page 1 This Manual is Bookmarked Operating Instructions and Parts Manual Heavy-Duty Mortiser Model 720HD WMH TOOL GROUP 2420 Vantage Drive Elgin, Illinois 60123 Part No. M-1791309 Ph.: 800-274-6848 Revision A 7/05 www.wmhtoolgroup.com Copyright © WMH Tool Group...
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Page 2: Warranty And Service
This manual has been prepared for the owner and operators of a Powermatic Model 720HD Mortiser. Its purpose, aside from machine operation, is to promote safety using accepted operating and maintenance procedures. To obtain maximum life and efficiency from your mortiser and to aid in using it safely, please read this manual thoroughly and follow the instructions carefully. -
Page 3: Table Of Contents
Chisel Parallel to Workpiece...14 Lower Work Support...14 Re-setting the Head ...14 Gib Adjustment...14 Tool Storage ...15 Operating Controls...15 Operation...16 Sharpening Chisel and Auger...17 Lubrication ...17 Replacement Parts ...18 720HD Heavy Duty Mortiser ...19 Parts List: 720HD Heavy Duty Mortiser...20 Electrical Connections ...23... -
Page 4: Warning
Warning 1. Read and understand the entire owners manual before attempting assembly or operation. 2. Read and understand the warnings posted on the machine and in this manual. Failure to comply with all of these warnings may cause serious injury. 3. - Page 5 21. Maintain a balanced stance at all times so that you do not fall or lean against the auger and chisel or other moving parts. Do not overreach or use excessive force to perform any machine operation. 22. Use the right tool at the correct speed and feed rate. Do not force a tool or attachment to do a job for which it was not designed.
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Page 6: Introduction
Introduction This manual is provided by WMH Tool Group covering the safe operation and maintenance procedures for a Model 720HD Heavy-Duty Mortiser. This manual contains instructions on installation, safety precautions, general operating procedures, maintenance instructions and parts breakdown. This machine has been designed and constructed to provide years of trouble free operation if used in accordance with instructions set forth in this manual. -
Page 7: Unpacking
Unpacking Remove all crating and plastic from around the Mortiser. Check for shipping damage; report any damage immediately to your distributor and shipping agent. Do not discard any shipping material until the Mortiser is assembled and running properly. Open the cabinet rear door and remove any boxes and accessory items. -
Page 8: Assembly
Assembly Tools required for assembly forklift or hoist with straps/slings 14mm wrench (provided) 4 and 6mm hex wrenches (provided) 1. Remove the four screws that secure the Mortiser to the wood pallet, using a 14mm wrench. 2. With a forklift or hoist, lift the machine off the pallet and into its desired location. -
Page 9: Installing Bushing, Chisel And Auger
Installing Bushing, Chisel and Auger 1. The mortiser should be disconnected from power source. 2. Open the chuck access cover (A, Figure 3). 3. Insert a bushing (B, Figure 3) into the hole with the bushing’s hole facing the front toward the set screw (C, Figure 3). -
Page 10: Extension Cords
This machine must be grounded. In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. Improper connection grounding conductor can result in a risk of electric shock. -
Page 11: Table Removal And Storage
Adjustments Squaring Table To Chisel 1. Place a square upon the table and against the chisel, as shown in Figure 6. 2. If the table and chisel are not perpendicular to each other, loosen the table’s stud with the attached hex wrench (A, Figure 6). 3. -
Page 12: Chuck Extension Adaptor
Chuck Extension Adaptor The provided Chuck Extension Adaptor is used to lower the chuck for use with after-market chisels (chisels other than those supplied with your machine) that may require a spacer due to varying lengths in shanks. 1. To install the adaptor, first remove the chisel and auger. -
Page 13: Clamp
Lateral (X Axis) Use the handle (A, Figure 12) to move the head right or left. The lateral stops should be set in accordance with the length of the mortise cut (see “Setting Lateral Stops”). Up/Down (Z Axis) Handle B, Figure 12. Forward/Backward (Y Axis) Loosen the Y-Axis locking handle (shown in Figure 18) and move the handle (C, Figure 12). -
Page 14: Chisel Parallel To Workpiece
Chisel Parallel to Workpiece For accurate mortise cuts, the chisel must be parallel to the workpiece. The workpiece should be cut square for this adjustment to be accurate. Check and adjust this parallelism as follows: 1. Move the head forward far enough that the workpiece can be inserted between fence and chisel. -
Page 15: Tool Storage
Gib for Front-to-Back Movement 1. Remove the two screws on the pleated dust cover (F, Figure 18) and move the dust cover out of the way. 2. Loosen the three hex nuts (G, Figure 18) with a 10mm wrench. 3. Turn the three set screws (H, Figure 18) with a 3mm hex wrench, until play is eliminated on the gib (J, Figure 18). -
Page 16: Operation
Operation General operating procedure: 1. Position workpiece on table and secure with clamp. 2. Set depth stop. 3. For lateral cuts, adjust positive stops according to length of cut. 4. Position head front-to-back and laterally for the first cut. If making a lateral cut, make sure the Y-axis locking handle is tightened. -
Page 17: Sharpening Chisel And Auger
Sharpening Chisel and Auger The chisel and auger should be kept sharp for best performance. If cutting operations require excessive force, the chisel and/or auger are probably dull and should be sharpened. Blunt edges will give inaccurate mortises and can lead to overheating and breakage of chisel or auger. -
Page 18: Troubleshooting
No incoming power. Fuse blown, or circuit breaker tripped. Mortiser will not start. Cord damaged. Motor bad. Extension cord too light or too long. Drill bit does not come up to speed. Low current. Mortiser vibrates Stand on uneven surface. excessively. -
Page 19: 720Hd Heavy Duty Mortiser
720HD Heavy Duty Mortiser... -
Page 20: Parts List: 720Hd Heavy Duty Mortiser
31 ...720HD-131... Y Axis Shaft..1 32 ...TS-1525011 ... Set Screw... M10x10 ... 1 33 ...720HD-133... Y Axis Feed Gear ..1 34 ...720HD-134... Retaining Ring ... STW-20 ... 2 35 ...720HD-135... Y Axis Handle ..1 36 ...720HD-136... - Page 21 57 ...720HD-157... Cylinder Head..2 58 ...720HD-158... Cylinder ..1 59 ...720HD-159... Cylinder Fitting Shaft (Long)..1 60 ...720HD-160... E-Ring ... ETW-7... 2 61 ...720HD-161... Stopper Block ..1 62 ...TS-1504061 ... Socket Head Cap Screw... M8x30 ... 2 63 ...720HD-163...
- Page 22 124 ...720HD-1124... Magnetic Switch..1 125 ...TS-1532042 ... Pan Head Screw... M4x12 ... 2 126 ...720HD-1126... Sleeve ..1 127 ...720HD-1127... Power Cord ... 1.25/3Cx3M ... 1 128 ...720HD-1128... Motor Cord ... 1.25/3Cx0.8M ... 1 129 ...720HD-1129... 90º Scale ..1 130 ...6294149...
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Page 23: Electrical Connections
Electrical Connections... - Page 24 WMH Tool Group 2420 Vantage Drive Elgin, Illinois 60123 Phone: 800-274-6848 www.wmhtoolgroup.com...
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