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Jet JFM-5, Operating Instructions And Parts Manual

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Jet JFM-5 Operating Instructions And Parts Manual Download Page 18

 

18

Trouble Probable 

Cause 

Remedy 

Auger sharpened incorrectly. 

Resharpen auger. See page 16. 

Chuck jaws not tight. 

Tighten chuck jaws. 

Bent auger. 

Replace auger. 

Auger wanders. 

Auger or chuck not installed properly. 

Reinstall the chuck or auger properly. 

Wood splinters on the 
underside. 

No backing board used for through 
cutting. 

Place a scrap board underneath the 
workpiece to prevent splintering. 

Workpiece not clamped properly, 
pinching the auger. 

Support or clamp workpiece firmly. 

Excessive feed rate. 

Decrease feed rate. 

Auger binds in 
workpiece. 

Chuck jaws not tight. 

Tighten chuck jaws. 

 

 

Summary of Contents for JFM-5

Page 1: ...structions and Parts Manual Hollow Chisel Mortiser Model JFM 5 WMH TOOL GROUP 2420 Vantage Drive Elgin Illinois 60123 Part No M 708589A Ph 800 274 6848 Revision A 6 06 www wmhtoolgroup com Copyright WMH Tool Group ...

Page 2: ...postage prepaid to a location designated by us For the name of the location nearest you please call 1 800 274 6848 You must provide proof of initial purchase date and an explanation of the complaint must accompany the merchandise If our inspection discloses a defect we will repair or replace the product or refund the purchase price at our option We will return the repaired product or replacement a...

Page 3: ... Handwheels 10 Wood Table 10 Work Stop 10 Install Bushing Chisel and Auger 11 Chuck Extension Adaptor 12 Tool Storage 12 Grounding Instructions 12 Extension Cords 13 Adjustments 14 Depth Stop 14 X Axis Table Stops 14 Vise 14 Gib Adjustment 14 Operation 15 Maintenance 16 Sharpening Chisel and Auger 16 Replacement Parts 19 JFM 5 Mortiser 19 Parts List JFM 5 Mortiser 20 Stand Assembly 22 Optional Acc...

Page 4: ...s Arsenic and chromium from chemically 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 influ...

Page 5: ...the best and safest performance Follow instructions for lubricating and changing accessories 27 Make sure the workpiece is securely clamped to the table Never use your hand to hold the work piece 28 Turn off the machine and disconnect from power before cleaning or changing accessories Use a brush or compressed air to remove chips or debris do not use your hands 29 Do not stand on the machine Serio...

Page 6: ...hed at our web site www wmhtoolgroup com Specifications Model Number JFM 5 Stock Number 708589K Spindle Speed RPM 1725 Chisel Capacity in 1 4 to 1 Chisel Shank Capacity in 5 8 3 4 1 1 8 Maximum Chisel Stroke in 8 Chuck Capacity in 1 2 Bushing Size dia in 5 8 3 4 1 1 8 Chisel Center to Fence Distance in 4 Fence Size in 3 1 2 x 20 Base Size in 14 x 16 Maximum Table Movement X Axis in 16 Y Axis in 4 ...

Page 7: ...7 Features and Terminology Figure 1 ...

Page 8: ...be reported to your distributor Read the instruction manual thoroughly for assembly maintenance and safety instructions Contents of the Shipping Container Box 1 1 Mortiser A 1 Z Axis Handle B 1 Work Stop Assembly C 1 Chuck Removal Wrench D 2 Handwheel Handles E 1 Chuck Key F 3 Chisel Bushings 5 8 3 4 1 1 8 I D G NOTE one is already installed 1 Chuck Extension Adaptor H 1 Wood Table J 2 Flat Head S...

Page 9: ...stand Line up the four holes in mortiser base and stand and insert four M8 x 45 hex cap screws with four M8 lock washers see Figure 3 Tighten securely with a 13mm wrench Z Axis Handle Screw the handle into the hole on the hub Figure 4 Tighten by turning a 14mm wrench on the flats of the handle as shown The hub is spring loaded and can adjust the handle to different positions for the operator s con...

Page 10: ...and y axis movements of the table The table should be loosened just enough to move smoothly but without binding The wing screws B Figure 7 will now be used to lock and unlock the table movement Wood Table Mount the wood table to the mortiser using the two flat head screws Figure 8 Make sure the countersunk holes in the wood table are facing up The fence also has two countersunk holes for mounting ...

Page 11: ...6 to 3 16 Place a spacer of the appropriate thickness a hex wrench of appropriate size works well for this between bushing and chisel and push chisel up until it contacts the spacer See Figure 9 6 Tighten the locking screw to hold the chisel in place and remove the spacer 7 Push the auger up through the chisel opening and into the chuck as far as it will go Tighten the auger in the chuck by rotati...

Page 12: ... at the rear of the mortiser column see Figure 7 Grounding Instructions Electrical connections must be made by a qualified electrician in compliance with all relevant codes This machine must be properly grounded to help prevent electrical shock and possible fatal injury In the event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk ...

Page 13: ...nd plug have the same configuration No adapter is available or should be used with 230 volt operation If the machine is to be re wired for 230 volt operation consult the diagram inside the switch box The re wiring should be made by qualified service personnel and after re connection the tool should comply with all local codes and ordinances Check with a qualified electrician or service personnel i...

Page 14: ...against the fence Push the handle forward to move the jaw against the workpiece then further tighten by rotating the handle clockwise The vise has a quick release feature Rotate the handle about a half turn counterclockwise then pull the handle outward The vise can be swiveled for tapered workpieces Loosen the upper screw and the lower screw below the casting A and B Figure 18 with a 6mm hex wrenc...

Page 15: ...The rate of feed must be fast enough to prevent burning at the tip of the auger but not so fast as to cause the machine to slow or stall The different rates of feed for different woods must be learned by experience 6 After the first cut the workpiece is moved along with the right handwheel for each successive cut The direction of movement must allow the chips to clear freely Move the workpiece so ...

Page 16: ... and become difficult to sharpen they should be replaced Chisel Sharpen the chisel with a mortise chisel cutter with the correct size pilot Pilot size will differ depending on the size of your chisel Two or three turns of the cutter in a carpenter s brace chuck should be enough to sharpen the chisel as shown in Figure 20 Use a small triangular smooth file to relieve the inner corners of the chisel...

Page 17: ... motor repair shop test the motor repair or replace as necessary Mortiser will not start restart or repeatedly trips circuit breaker or blows fuses Start Stop switch failure If the switch is suspect you have two options Have a qualified electrician test the switch for function or purchase a new switch and establish if that was the problem on changeout Extension cord too light or too long Replace w...

Page 18: ... installed properly Reinstall the chuck or auger properly Wood splinters on the underside No backing board used for through cutting Place a scrap board underneath the workpiece to prevent splintering Workpiece not clamped properly pinching the auger Support or clamp workpiece firmly Excessive feed rate Decrease feed rate Auger binds in workpiece Chuck jaws not tight Tighten chuck jaws ...

Page 19: ... our service department call 1 800 274 6848 between 7 30 a m and 6 00 p m CST Monday through Friday Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately JFM 5 Mortiser ...

Page 20: ...h Setting Rod 1 26 JFM5 126 Length Setting Block 1 27 6294150 Front Length Setting Rod 1 28 6294151 Wooden Work Table 1 29 TS 2286201 Flat Head Machine Screw M6x20 2 30 JFM5 130 Column 1 31 6294154 Wave Washer 2 32 6294155 Gib 1 33 JFM5 133 Headstock 1 34 6294157 Rack 1 35 TS 1503031 Socket Head Cap Screw M6x12 4 36 JFM5 136 Left Side Cover 1 37 JFM5 137 Right Side Cover 1 38 TS 1533042 Pan Head M...

Page 21: ...2 77 6294200 Collar 1 78 6294201 E Clip 2 79 6294202 Back Cover 1 80 TS 1532032 Pan Head Machine Screw M4x10 6 81 6294204 Chuck Key 1 82 6294205 Chuck Key Holder 1 83 TS 1551031 Lock Washer M5 1 84 TS 1502011 Socket Head Cap Screw M5x8 1 85 6294208 Chuck Release Nut 1 86 6294209 Wave Washer 1 87 6294240 Cylinder Holder 2 88 6294211 Wrench Chuck Removal 1 89 6294212 Lower Cylinder Fitting 1 90 6294...

Page 22: ...589B Stand Assembly Complete 1 1 JFM5 201 Stand 1 2 6294225 Shelf Cushion 1 JFM5 203DA Door Assembly Index 3 thru 6 1 3 JFM5 203 Door 1 4 6294227 Pin 2 5 6294228 Door Latch 1 6 6294229 Screw M3 2 7 TS 2361081 Lock Washer M8 4 8 TS 1490081 Hex Cap Screw M8x45 4 ...

Page 23: ... 2 6294209 Wave Washer 1 3 6294208 Chuck Release Nut 1 708590 Chisel Bit 1 4 1 708591 Chisel Bit 5 16 1 708592 Chisel Bit 3 8 1 708593 Chisel Bit 1 2 1 708594 Chisel Bit 3 4 1 708585 Chisel Bit 5 Piece Set 1 4 5 16 3 8 1 2 3 4 1 6294245 Chuck Key 1 2 1 6294198 Drill Bushing 1 1 8 1 6294221 Drill Bushing 3 4 1 6294222 Drill Bushing 5 8 1 ...

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

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