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WMH Tool Group

2420 Vantage Drive

Elgin, Illinois 60123

Phone: 800-274-6848

www.wmhtoolgroup.com

Summary of Contents for 720HD

Page 1: ...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 ...

Page 2: ...rations outside our facilities or to a lack of maintenance WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE BEGINNING FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY T...

Page 3: ...ring Table To Chisel 11 Setting Table to Vertical Position 11 Table Removal and Storage 11 Chuck Extension Adaptor 12 Depth Setting Rod 12 Head Movement 12 Clamp 13 Stock Stop 13 Setting Lateral Stops 13 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 Repl...

Page 4: ...mically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as face or dust masks that are specifically designed to filter out microscopic particles 10 Do not operate this machine while tired or under the influence of drugs alcohol or any me...

Page 5: ...ble and or fence Never use your hand to hold the work piece 26 Do not turn on the power while the auger or chisel is contacting a workpiece 27 Turn off the machine before cleaning Use a brush or compressed air to remove chips or debris do not use your hands 28 Do not stand on the machine Serious injury could occur if the machine tips over 29 Never leave the machine running unattended Turn the powe...

Page 6: ...D Stock Number 1791309 Chuck Capacity in 1 2 Spindle Taper JT33 Bushing Inside Diameter in 3 4 5 8 and 1 1 8 Chisel Stroke in 6 1 8 Maximum Chisel Travel in Side to Side 9 1 8 Front to Back 3 3 8 Table Size L x W in 14 5 8 x 7 1 8 Maximum Workpiece Height without Table in 46 Maximum Workpiece Height with Table in 11 1 2 Clamp Surface L x W in 8 x 2 3 4 Table Tilt deg 90 left 45 right Fence Size L ...

Page 7: ...ad the instruction manual thoroughly for assembly maintenance and safety instructions Contents of the Shipping Container 1 Mortiser 1 Handle 1 Chisel and Auger set 3 4 1 Chisel and Auger set 1 3 Bushings 5 8 3 4 and 1 1 8 I D NOTE The 5 8 bushing is already installed on the mortiser 3 Combination Wrenches 12 14 17 19 22 24 4 Hex Allen Wrenches 3 4 5 and 6mm 1 Chuck Key 1 Chuck Extension Adaptor 1 ...

Page 8: ...ly procedures 5 Unpainted areas of the machine have been treated with a rust preventative This should be removed with a soft cloth and a mild solvent Do not use paint thinner lacquer thinner gasoline or mineral spirits these will damage painted surfaces and plastic parts Do not use an abrasive pad Installing Handle 1 Use a 4mm hex wrench to remove the screw washer and spring from the shaft Figure ...

Page 9: ... the spacer 7 Tighten the set screw C Figure 3 to hold the chisel in place and remove spacer 8 Push the auger up through the chisel opening and into the chuck as far as it will go Tighten the auger in the chuck using the chuck key 9 Loosen the set screw C Figure 3 and push the chisel all the way up until it contacts the bushing This should provide the proper distance so that the cutting portion of...

Page 10: ...outlet having the same configuration No adapter is available or should be used with the 230 volt plug If the Mortiser is to be hard wired to a panel make sure a disconnect is available for the operator During hard wiring of the Mortiser make sure the fuses have been removed or the breakers have been tripped in the circuit to which the Mortiser will be connected Place a warning placard on the fuse ...

Page 11: ...n be rotated out of the way Simply lift up on the handle rotate it on the pin then release the handle making sure it seats itself properly on the pin Setting Table to Vertical Position For table angles from 45 to 90 1 Loosen the stud A Figure 7 2 Unscrew and remove the locking handle B Figure 7 3 Rotate the table to vertical position and install the locking handle B Figure 7 into the other hole as...

Page 12: ...allow the chuck to drop as it can be damaged 4 Push the adaptor into the chuck Figure 9 Then push this assembly onto the spindle 5 Re install the bushing and secure it loosely with the set screw 6 Re install the chisel and auger See Installing Bushing Chisel and Auger Depth Setting Rod The depth setting rod Figure 10 limits the depth of the stroke 1 Lower the mortising head until the chisel is at ...

Page 13: ...ting the handle The clamp jaw can also be retracted by loosening the handle about a half turn and then pulling it outward The clamp can be swiveled for tapered workpieces Loosen both screws one is shown in Figure 13 and swivel the clamp as needed Re tighten both screws If you do not wish to mar a soft workpiece you can mount a board to the face of the clamp jaw using screws not provided through th...

Page 14: ...the lower work support into position Re tighten the handle securely Re setting the Head The head can be adjusted in order to achieve the maximum workpiece height 1 Place a block of wood for support between the head and fence Figure 17 Lower the head until it rests upon the block 2 Loosen only slightly the hex nut A Figure 17 3 Pull down the handle B Figure 17 until the cylinder C Figure 17 bottoms...

Page 15: ...ll play is eliminated on the gib M Figure 19 4 Re tighten the three hex nuts K Figure 19 NOTE Hold the set screws so they do not turn during the tightening process 5 Re install the pleated dust cover F Figure 19 before operating Tool Storage The cabinet shelf contains a perforated cushion for the accessories as shown in Figure 20 Operating Controls The magnetic starter with control buttons is moun...

Page 16: ...dy cut part of the workpiece Figure 21 Do not have the chisel slot against the blind end of the mortise as the chips will not be able to clear the chisel This can cause overheating and possible breakage of chisel or bit When cutting deep mortises make the cut in several stages of approximately 1 each to allow chips to clear When cutting through mortises to prevent breakout at the back of the workp...

Page 17: ...ugh to sharpen the chisel as shown in Figure 22 Use a small triangular smooth file to relieve the inner corners of the chisel Figure 23 Remove any burrs from the outside of the chisel with a fine oilstone Auger Sharpen the auger by using a small smooth file following the original shape of the auger File the inside edge of the spur the sides of the brad point and the cutting edge inwards toward the...

Page 18: ...ll auger Resharpen or replace auger Workpiece Burns Feeding auger into workpiece too slowly Increase feed rate Auger sharpened incorrectly Resharpen auger correctly page 17 Chuck jaws not tight Tighten chuck jaws Bent auger Replace auger Drill bit wanders Auger or chuck not installed properly Reinstall the chuck or auger properly Wood splinters on the underside No backing board used Place a scrap ...

Page 19: ...19 720HD Heavy Duty Mortiser ...

Page 20: ...r 1 24 TS 1523041 Set Screw M6x12 4 25 720HD 125 Spacer 1 26 TS 1514021 Flat Head Socket Screw M6x16 5 27 720HD 127 X Axis Handle 1 28 720HD 128 Plastic Handle Grip 3 29 6294166 Spring 3 30 6294167 Washer 3 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 Y Axis Slide 1 37 720...

Page 21: ...8x15 1 82 TS 1533032 Pan Head Screw M5x10 2 83 720HD 183 Fence 1 84 TS 1505031 Socket Head Cap Screw M10x25 7 85 720HD 185 Guide Bracket Upper 1 86 TS 1505061 Socket Head Cap Screw M10x40 2 87 TS 1525021 Set Screw M10x12 2 88 720HD 188 Guide Rod 1 89 720HD 189 Guide Bracket 1 90 720HD 190 Support Bracket 1 91 720HD 191 Locking Handle M12x60 2 92 720HD 192 Guide Bracket Lower 1 93 TS 1505131 Socket...

Page 22: ...133 TS 0680031 Flat Washer 5 16 2 134 TS 0561021 Hex Nut 5 16 18 2 135 6294145 Wing Screw M6x16 4 136 720HD 1136 Table Holder 1 137 TS 1550061 Flat Washer M8 2 138 720HD 1138 Gear 1 139 720HD 1139 Washer 1 140 720HD 1140 Pad 26L 2 141 TS 1504031 Socket Head Cap Screw M8x16 2 142 TS 0267051 Set Screw 1 4 20x1 2 2 143 TS 1504061 Socket Head Cap Screw M8x30 1 144 720HD 1144 Roll Pin M6x36 1 145 62942...

Page 23: ...23 Electrical Connections ...

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

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