Jet M-1791309 - Manuals

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 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...

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...

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

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...

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...

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........................

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