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20

Blade is twisting

Unusual wear on
side/back of blade

Teeth missing/ripped
from blade

Motor running too hot

No coolant flow

Excessive speed
reducer noise/
vibration

1. Decrease feed pressure.
2. Decrease tension on blade

1. Replace blade guides.
2. Adjust blade guide bearings.

3. Tighten blade guide bearing

bracket.

1. Use blade with finer tooth pitch.

2. Increase feed pressure and/or

blade speed.

3. Clamp workpiece securely.
4a.

Use blade with a coarse tooth

pitch—reduce feed pressure.

4b.

Brush blade to remove chips.

1. Reduce tension on blade.
2. Reduce tension on drive belt.
3. Use blade with fine tooth pitch.

4. Use blade with coarse tooth pitch.

5. Check speed reducer.

1. Replace pump.
2. Clean screen/filter.
3. Tighten impeller.
4. Add coolant to reservoir.

1. Reset V-belt tension.
2. Increase spring tension.

1. Blade is binding in the cut.
2. Blade tension too high.

1. Blade guides worn
2. Blade guide bearings not adjusted.
3. Blade guide bearing bracket is

loose.

1. Blade tooth pitch too coarse for

workpiece.

2. Feed too slow; feed too fast.

3. Workpiece vibrating.
4. Gullets loading up with chips.

1. Blade tension too high.
2. Drive belt tension too high.
3. Blade too coarse for workpiece (es-

pecially with tubular stock).

4. Blade too fine for workpiece (espe-

cially with heavier, soft material).

5. Speed reducer gears require lubri-

cation.

1. Pump motor is burned out.
2. Screen/filter on pump is clogged.
3. Impeller is loose.
4. Coolant level too low.

1. V-belt is too tight.
2. Countering spring not tensioned

properly.

Troubleshooting 

(Continued)

Replacement Parts

To order parts or reach our service department, call 1-
800-274-6848 between 7:30am and 6:00pm
(CST), Monday through Friday. Having the Model Num-
ber and Serial Number of your machine available when
you call will allow us to serve you quickly and accu-
rately. Order replacement parts from:

WMH Tool Group, Inc.

427 New Sanford Road
LaVergne, Tennessee 30786
Ph: 800-274-6848

Identify the replacement part by the part number
shown in the parts listing.  Be sure to include the
model number and serial number of your machine
when ordering replacement parts to assure that you
will receive the correct part.

Содержание J-7040

Страница 1: ...nch x 16 Inch Horizontal Band Saw Models J 7020 J 7040 WHM TOOL GROUP Inc 427 New Sanford Road LaVergne Tennessee 30786 Part No M 414472 Ph 800 274 6848 Revision A2 04 09 www wmhtoolgroup com Copyrigh...

Страница 2: ...In the event you choose to have the product returned you will be responsible for the shipping and handling costs of the return HOW STATE LAW APPLIES This warranty gives you specific legal rights you...

Страница 3: ...xture and Quantity 11 Adjustments 11 Blade TrackingAdjustment 11 Factory or Field Procedure 11 Blade Guide BearingAdjustment 12 Test Cutting to Verify Adjustment Accuracy 13 Adjustment of the Limit Sw...

Страница 4: ...2 H P 3 phase 220 440V Blade Size 1 x 035 x 135 Blade Guides Adjustable 6 point contact combination bearing and carbide Blade Wheels 14 diameter cast iron Dimensions Length 79 Width 31 Height 41 Ship...

Страница 5: ...when practical It is safer than using your hands and it frees both hands to operate the machine 12 Never brush away chips while the machine is in operation 13 Keep work area clean Cluttered areas inv...

Страница 6: ...e 2 All doors shall be closed all panels replaced and other safety guards in place prior to the machine being started or operated 3 Be sure that the blade is not in contact with the workpiece when the...

Страница 7: ...ne has been discon nected see figure 4 6 The rate at which the saw head moves downward is controlled by a hydraulic feed rate control located on the top rear of the saw head see figure 3 7 A coolant p...

Страница 8: ...ade Efficiency for more information on cutting efficiency Figure 3 Controls Saw Head Lift Handle Control Box Blade Tensioning Hand Wheel Vise Clamping Hand Wheel Blade Guide Supports Drive Motor Blade...

Страница 9: ...at its most efficient rate and allow the saw to complete the cut see Evaluating Blade Effi ciency The blade is now considered ready for regular service Work Setup Securing the Workpiece for Square Cut...

Страница 10: ...op is used to set up the saw for making multiple cuts of the same length see figure 8 Install and adjust the work stop as follows 1 Insert the end of the stop rod in the hole in the front right side o...

Страница 11: ...tion To adjust the blade tracking refer to the following procedures Blade Tracking Adjustment Blade tracking has been tested at the factory Ad justment is rarely required when the blade is used prop e...

Страница 12: ...e damage or inaccurate cuts It is always better to try a new blade when cutting performance is poor If performance remains poor af ter changing the blade make the necessary adjust ments If a new blade...

Страница 13: ...sition the bearing by turning the bushing Set the clearance at approximately 0 001 inch The blade should be in a vertical position between the bearings See figure 13 5 Tighten the center locking screw...

Страница 14: ...the saw at low speed and observe the track ing of the blade If tracking needs to be adjusted refer to Blade Tracking Adjustment 7 Adjust the bearings on the upper edge of the blade until they just con...

Страница 15: ...spring pivot post Adjust the tension as required 3 Tighten the two nuts against the pivot post 4 The saw can now be returned to service Replacing the Drive Wheel 1 Remove the blade see Changing Blade...

Страница 16: ...support but cannot touch the bottom surface of it when the sawblade is cutting a workpiece Replacement of the Wire Brush 1 Loosen four knobs securing the blade cover Lift the cover and swing it backwa...

Страница 17: ...saw is disconnected from the power source orthatthefuseshavebeenremovedorbreak ers tripped in the circuit in which the saw will be connected Make sure you put a warning placard on the fuse or circuit...

Страница 18: ...18 Figure 24 Model 7040 cut off saw wiring diagram Figure 25 Connection diagram for 3ph motor...

Страница 19: ...o high for feed pres sure 2 Blade is too coarse Suggested remedy 1 Clamp work securely 2 Check Machinist s Handbook for speed feed appropriate for the ma terial being cut 3 Check Machinist s Handbook...

Страница 20: ...pitch too coarse for workpiece 2 Feed too slow feed too fast 3 Workpiece vibrating 4 Gullets loading up with chips 1 Blade tension too high 2 Drive belt tension too high 3 Blade too coarse for workpie...

Страница 21: ...21 Exploded View Base...

Страница 22: ...et 1 ITEM PART NO NO DESCRIPTION QTY 1 J 5712251 Foot Left 1 2 J 5712261 Foot Right 1 3 J 5712271 Coolant Reservoir 1 3 1 5519485 Stopper PT 3 8 1 4 Coolant Pump 1 J 5712281 115 220 1 Phase J 5712921A...

Страница 23: ...0 J 5713021Electrical Cabinet Door 1 70 1 5519499 Knob 1 70 2 5519500 Plane 1 71 Overload 1 5507542 Model J 7020 115V 1 ph 5713031 Model J 7020 220V 1 ph 5512660 Model J 7040 220V 3 ph 5712661 Model J...

Страница 24: ...5713331 Electric Lamp 1 202 5713341 Start Switch 1 203 5713351 Stop Switch 1 204 5713361 Down Switch 1 205 5713371 E M valve complete 1 215 5712301 Hex Hd Screw 2 216 5712401 Flat Washer 16 217 571250...

Страница 25: ...25 Exploded View Head...

Страница 26: ...713851A Right Blade Guide Brkt 2 124 1 5519684 Tube 2 Parts List Head ITEM PART NO NO DESCRIPTION QTY ITEM PART NO NO DESCRIPTION QTY 79 5713381 Screw 1 4 x 3 8 4 80 J 5713391 Blade Wheel Cover 1 80 1...

Страница 27: ...714141 Hose Clamp 2 151 5713651 Spring Washer 1 4 4 152 5714161 Screw 1 4 x 1 2 4 153 5628371 Spring Washer 1 2 4 154 5714181 Gib 2 155 5714191 Screw 1 2 x 3 4 1 156 5714211 Screw M8 x 20 4 156 1 5519...

Страница 28: ...12881 Spring Washer 1 2 4 232 5517141 Eccentric Shaft Bushing 2 233 5517140 Center Shaft Bushing 2 234 5713861 Ball Bearing 6201ZZ 8 235 5713761 Washer 1 2 4 236 5519696 Arm Stop 1 236 1 5711091 Nut 1...

Страница 29: ...29...

Страница 30: ...30...

Страница 31: ...31...

Страница 32: ...32 WMH Tool Group Inc 427 New Sanford Road LaVergne Tennessee 30786 Ph 800 274 6848 www wmhtoolgroup com...

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