Powermatic 720HD - Manuals

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...

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...

9 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). NOTE: The Mortiser is shipped wi...

10 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 of the equipment-grounding conductor can result in a risk of electric shock. The conductor, with ...

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...

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. Move the head forward far enough that the workpiece can be inserted between...

15 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 t...

16 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 lock...

17 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 chise...

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...

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