Jet 720HD - Manual - manualsarea.com

Page 2 - Warranty and Service; More Information

2 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 safel...

Page 3 - Table of Contents

3 Table of Contents Warranty and Service .............................................................................................................................. 2 Table of Contents ...................................................................................................................

Page 7 - Unpacking; Contents of the Shipping Container; or operation! Failure to comply may cause serious injury.

7 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 b...

Page 8 - Assembly; Tools required for assembly; Installing Handle

8 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 d...

Page 9 - Installing Bushing, Chisel and Auger; Grounding Instructions; Electrical connections must

9 Installing Bushing, Chisel and Auger 1. The mortiser should be disconnected from power source. 2. Open the chuck access cov er (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). NOTE: The Mortiser is shipped w...

Page 10 - Extension cords

10 This machine must be grounded. In the ev ent of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. Improper connection of the equipment-grounding conductor can result in a risk of electric shock. The conductor, with...

Page 11 - Adjustments; Squaring Table To Chisel

11 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. Loosen the locking handle (B, Figure 6) and ad...

Page 14 - Gib for Vertical Movement

14 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. Mov e the head forward far enough that the workpiece can be inserted betwee...

Page 15 - Gib for Lateral Movement; Tool Storage; Operating Controls

15 Gib for Front-to-Back Movement 1. Remove the two screws on the pleated dust cov er (F, Figure 18) and move the dust cov er 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...

Page 17 - Sharpening Chisel and Auger; Chisel; Lubrication

17 Sharpening Chisel and Auger The chisel and auger should be kept sharp for best performance. If cutting operations require excessiv e force, the chisel and/or auger are probably dull and should be sharpened. Blunt edges will give inaccurate mortises and can lead to ov erheating and breakage of chi...

Page 18 - Troubleshooting; Trouble Probable; Replacement Parts

18 Troubleshooting Trouble Probable Cause Remedy No incoming power. Check all plug connections. Fuse blown, or circuit breaker tripped. Replace fuse, or reset circuit breaker. Cord damaged. Replace cord. Mortiser will not start. Motor bad. Contact WMH technical service. Extension cord too light or t...

Page 19 - 20HD Heavy Duty Mortiser

Page 20 - Parts List: 720HD Heavy Duty Mortiser; Description

20 Parts List: 720HD Heavy Duty Mortiser Index No. Part No. Description Size Qty 1 ............... 720HD-101.............. Stand................................................................. ................................... 1 1 ............... 720HD-101.............. Stand........................

Page 23 - Electrical Connections

Page 24 - WMH Tool Group

24 WMH Tool Group 2420 Vantage Drive Elgin, Illinois 60123 Phone: 800-274-6848 www.wmhtoolgroup.com