Powermatic WB-37 Operating Instructions And Parts Manual
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Powermatic WB-37 Operating Instructions And Parts Manual

Wide belt sanders
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Operating Instructions and Parts Manual
Wide Belt Sanders
Models WB-25, WB-37, WB-43
model WB-37 shown
WMH TOOL GROUP
2420 Vantage Drive
Elgin, Illinois 60123
Part No. M-1790825
Ph.: 800-274-6848
Revision B 7/06
www.wmhtoolgroup.com
Copyright © WMH Tool Group

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  • Page 1 This Manual is Bookmarked Operating Instructions and Parts Manual Wide Belt Sanders Models WB-25, WB-37, WB-43 model WB-37 shown WMH TOOL GROUP 2420 Vantage Drive Elgin, Illinois 60123 Part No. M-1790825 Ph.: 800-274-6848 Revision B 7/06 www.wmhtoolgroup.com Copyright © WMH Tool Group...

  • Page 2: Warranty And Service

    Warranty and Service WMH Tool Group, Inc., warrants every product it sells. If one of our tools needs service or repair, one of our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any of these WMH Tool Group Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET®...

  • Page 3: Table Of Contents

    Parts List: Table Raising Assembly – Model WB-37... 36 Parts List: Table Raising Assembly – Model WB-43... 37 Table and Conveyor Belt Assembly – Models WB-25, WB-37, WB-43 ... 39 Parts List: Table and Conveyor Belt Assembly – Model WB-25 ... 40 Parts List: Table and Conveyor Belt Assembly –...
  • Page 4 Parts List: Sanding Belt and Accessories – Model WB-37... 54 Parts List: Sanding Belt and Accessories – Model WB-43... 54 Tension Roller Assembly – Models WB-25 and WB-37 ONLY ... 55 Parts List: Tension Roller Assembly – Model WB-25... 56 Parts List: Tension Roller Assembly –...

  • Page 5: Warning

    5. Do not use this sander for other than its intended use. If used for other purposes, WMH Tool Group disclaims any real or implied warranty and holds itself harmless from any injury that may result from that use.
  • Page 6 blahblahblah 19. Make your workshop child proof with padlocks, master switches or by removing starter keys. 20. Give your work undivided attention. Looking around, carrying on a conversation and “horse-play” are careless acts that can result in serious injury. 21. Remove loose items and unnecessary work pieces from the area before starting the machine. 22.

  • Page 7: Introduction

    This manual is provided by WMH Tool Group covering the safe operation and maintenance procedures for a Powermatic WB Series Wide Belt Sander. This manual contains instructions on installation, safety precautions, general operating procedures, maintenance instructions and parts breakdown. This machine has been designed and constructed to provide years of trouble free operation if used in accordance with instructions set forth in this manual.

  • Page 8: Unpacking

    Open shipping container and check for shipping damage. Report any damage immediately to your distributor and shipping agent. Do not discard any shipping material until the sander is installed and running properly. Compare the contents of your container with the following parts list to make sure all parts are intact.

  • Page 9: Assembly

    Dust Collection Connect a dust collection system (not provided) to the dust ports atop the sander cabinet with 5” flexible hose and hose clamps. Make sure your dust collector has sufficient capacity for this machine.

  • Page 10: Installing/Replacing Sanding Belt

    If there is not, make the appropriate corrections (with the air valve turned OFF). NOTE: The sander will not start if a limit switch is engaged. 11. Before doing any sanding, the sanding belt should be tested for proper tracking and oscillation.

  • Page 11: 230 Volt Operation

    It can be converted to 460 volt if desired. See the appropriate sections below. 230 Volt Operation The sander may be fitted with a 230 volt plug, or may be “hard-wired” directly to an electrical control panel. If hard-wired to a panel, make sure a disconnect is available for the operator.

  • Page 12: 460 Volt Conversion

    5. If using a plug, install a UL/CSA-listed plug appropriate for 460V operation. Extension cords The use of an extension cord for this sander is discouraged, because of the machine’s high amperage draw. If an extension cord becomes necessary, make sure the cord rating is suitable for the amperage listed on the machine’s motor...

  • Page 13: Oscillation Air Flow

    When finished, tighten jam nut. Platen Position The sander has a removable platen with a graphite strip and a felt pad to reduce friction against the sanding belt. Positioning of the platen depends upon the type of wood being used.

  • Page 14: Replacing Graphite And Felt Pad

    Tighten any of the v-belts as follows: 1. Disconnect sander from power source. 2. Loosen the lower hex nut (A, Figure 11/12) on the motor base. 3. Tighten the top hex nut (B, Figure 11/12) to lower the motor plate until proper tension is achieved.

  • Page 15: Conveyor Belt Tension

    If the conveyor belt needs tightening, proceed as follows. 1. Disconnect sander from power source. 2. Rotate the adjustment screws (the left one is shown in Figure 13) as needed with a 19mm wrench.

  • Page 16: Feed Rate

    7. Allow the sander to run for several minutes while observing the conveyor belt tracking and readjust if necessary. 8. Turn off the conveyor belt and re-install emergency stop cover.

  • Page 17: Table Parallelism

    To raise or lower each set of pressure bars: 1. Disconnect sander from power source. 2. The sanding belt should be installed, and the air valve turned ON.

  • Page 18: Operating Controls

    Amperage Meter The amperage meter (Figure 19) continually monitors the load upon the sander. To avoid tripping of the circuit breaker and the overload relays, reduce the load immediately when the amperage meter indicates excessive amperage pull.

  • Page 19: Operation

    7. Feed rate is correctly set. 8. Workpiece is free of nails, knots and other obstructions. Braking System The sander will not start or will halt operations if any of the following occur: • No air supply to the machine.

  • Page 20: Maintenance

    Failure to comply may cause serious injury. The interior of the machine should be thoroughly cleaned each day after using the sander. Remove the sanding belt before cleaning and re-install it when finished.

  • Page 21: Troubleshooting The Sander

    Remedy Check that sander is connected to power, fuses are not blown or circuit breakers are not tripped. Check voltage at power source. Inspect and remedy any loose connections on sander.
  • Page 22 Trouble Probable Cause The front end of stock Rear pressure bar is too low in is thinner than the relation to the contact drum. rear. The rear end of stock Front pressure bar is too low in is thinner than the relation to the contact drum.

  • Page 23: Troubleshooting The Led Unit

    Trouble Probable Cause The display fails to Fuse is burned out. show figures. Control unit is malfunctioning. Display shows Wrong figures were input. abnormal figures. Display shows Proximity switch is not functioning. figures, but they do not change in Distance between induction unit and conjunction with the induction sheet is more than 1mm.

  • Page 24: Base And Motor Assembly - Model Wb-25 Only

    Base and Motor Assembly – Model WB-25 ONLY Parts list on page 25.

  • Page 25: Parts List: Base And Motor Assembly - Model Wb-25

    Parts List: Base and Motor Assembly – Model WB-25 Exploded view on page 24. Index No. Part No. Description Size 1 ...WB25-201 ...Machine Base ..1 2 ...WB25-202 ...Motor Plate..1 3 ...WB25-203 ...Rod..1 4 ...WB25-149 ...Hex Nut ... 1/2-12... 3 5 ...WB25-205 ...Motor Adjusting Screw ...

  • Page 26: Base And Motor Assembly - Model Wb-37 Only

    Base and Motor Assembly – Model WB-37 ONLY Parts list on page 27.

  • Page 27: Parts List: Base And Motor Assembly - Model Wb-37

    Parts List: Base and Motor Assembly – Model WB-37 Exploded view on page 26. Index No. Part No. Description Size 1 ...WB37-201 ...Machine Base ..1 2 ...WB37-202 ...Motor Plate..1 3 ...WB37-203 ...Rod..1 4 ...WB25-149 ...Hex Nut ... 1/2-12... 4 5 ...WB37-205 ...Motor Adjusting Screw ...

  • Page 28: Base And Motor Assembly - Model Wb-43 Only

    Base and Motor Assembly – Model WB-43 ONLY Parts list on page 29.
  • Page 29 Parts List: Base and Motor Assembly – Model WB-43 Exploded view on page 28. Index No. Part No. Description Size 1 ...WB43-201 ...Machine Base ..1 2 ...WB43-202 ...Motor Plate..1 3 ...WB43-203 ...Rod..1 4 ...WB25-149 ...Hex Nut ... 1/2-12... 4 5 ...6294262 ...Motor Adjusting Screw ...

  • Page 30: Upper Cabinet Assembly - Model Wb-25 Only

    Upper Cabinet Assembly – Model WB-25 ONLY Parts list on page 31.

  • Page 31: Parts List: Upper Cabinet Assembly - Model Wb-25

    Parts List: Upper Cabinet Assembly – Model WB-25 Exploded view on page 30. Index No. Part No. Description Size 1 ...WB25-301 ...Upper Cabinet..1 2 ...TS-1534032 ...Pan Head Screw ... M6x10 ... 7 3 ...WB25-303 ...Upper Left Door ..1 4 ...WB25-304 ...Upper Right Door ...

  • Page 32: Upper Cabinet Assembly - Models Wb-37, Wb-43

    Upper Cabinet Assembly – Models WB-37, WB-43 Parts list on page 33.

  • Page 33: Parts List: Upper Cabinet Assembly - Model Wb-37

    Exploded view on page 32. Index No. Part No. 1 ...WB37-301 ...Upper Cabinet..1 2 ...TS-1534032 ...Pan Head Screw ... M6x10 ... 8 3 ...WB25-303 ...Upper Left Door ..1 4 ...WB25-304 ...Upper Right Door ..1 5 ...6294509 ...Door Lock...

  • Page 34: Table Raising Assembly – Models Wb-25, Wb-37, Wb-43

    Table Raising Assembly – Models WB-25, WB-37, WB-43 Parts list on page 35 (WB-25), page 36 (WB-37) and page 37 (WB-43).

  • Page 35: Parts List: Table Raising Assembly - Model Wb-25

    Parts List: Table Raising Assembly – Model WB-25 Exploded view on page 34. Index No. Part No. Description Size 1 ...6294297 ...Elevation Screw ..4 2 ...TS-0051051 ...Hex Cap Screw ... 5/16-18x1... 8 3..TS-0680031 ...Flat Washer... 5/16 ... 8 4 ...TS-0720081 ...Lock Washer ...

  • Page 36: Parts List: Table Raising Assembly - Model Wb-37

    57 ...6294341 ...Sprocket Wheel Shaft ..1 58 ...BB-6003ZZ...Bearing... 6003ZZ... 1 59 ...6294343 ...Adjustment Sprocket Wheel..1 60 ...6294344 ...Sprocket Wheel Adjustment Rod ..1 Parts List: Table Raising Assembly – Model WB-37 Exploded view on page 34. Index No. Part No. Description Size 1 ...6294297 ...Elevation Screw ...

  • Page 37: Parts List: Table Raising Assembly - Model Wb-43

    48 ...WB25-448 ...Switch Plate ..1 49 ...TS-0050011 ...Hex Cap Screw ... 1/4-20x1/2... 1 50 ...WB25-450 ...Switch..1 51 ...TS-2283302 ...Screw ... M3x30 ... 2 52 ...TS-1540011 ...Hex Nut ... M3 ... 2 53 ...6294337 ...Key ... 5/16x5/16x3/4 ... 1 54 ...6294338 ...Key ...
  • Page 38 40 ...6294333 ...Motor Base Adjustment Rod ..1 41 ...TS-0680061 ...Flat Washer... 1/2 ... 2 42 ...WB25-149 ...Hex Nut ... 1/2-12... 3 43 ...TS-0720111 ...Lock Washer ... 1/2 ... 2 44 ...TS-0680021 ...Flat Washer... 1/4 ... 1 45 ...6294334 ...Motor ... 1/4HP, 230/460V, 3Ph 1 46 ...TS-0561011 ...Hex Nut ...

  • Page 39: Table And Conveyor Belt Assembly – Models Wb-25, Wb-37, Wb-43

    Table and Conveyor Belt Assembly – Models WB-25, WB-37, WB-43 Parts list on page 40 (WB-25), page 41 (WB-37) and page 42 (WB-43).

  • Page 40: Parts List: Table And Conveyor Belt Assembly - Model Wb-25

    Exploded view on page 39. Index No. Part No. 1 ...WB25-501 ...Conveyor Table..1 2 ...WB25-502 ...Conveyor Belt..1 3 ...WB25-503 ...Mounting Bracket ..1 4 ...WB25-504 ...Washer..2 5 ...TS-1550071 ...Flat Washer... M10 ... 4 6 ...TS-1491031 ...Hex Cap Screw ...

  • Page 41: Parts List: Table And Conveyor Belt Assembly - Model Wb-37

    Exploded view on page 39. Index No. Part No. 1 ...WB37-501 ...Conveyor Table..1 2 ...WB37-502 ...Conveyor Belt..1 3 ...WB25-503 ...Mounting Bracket ..1 4 ...WB25-504 ...Washer..2 5 ...TS-1550071 ...Flat Washer... M10 ... 4 6 ...TS-1491031 ...Hex Cap Screw ...

  • Page 42: Parts List: Table And Conveyor Belt Assembly - Model Wb-43

    Exploded view on page 39. Index No. Part No. 1 ...WB43-501 ...Conveyor Table..1 2 ...WB43-502 ...Conveyor Belt..1 3 ...WB43-503 ...Mounting Bracket ..1 4 ...WB25-504 ...Washer..2 5 ...TS-1550071 ...Flat Washer... M10 ... 4 6 ...TS-1491031 ...Hex Cap Screw ...

  • Page 43: Pressure Bar Assembly - Models Wb-25, Wb-37, Wb-43

    Pressure Bar Assembly – Models WB-25, WB-37, WB-43 Parts list on page 43 (WB-25) and page 44 (WB-37, WB-43). Parts List: Pressure Bar Assembly – Model WB-25 Index No. Part No. Description Size 1 ...WB25-601 ...Roller Slider, Female ..2 2 ...6294391 ...Roller Slider, Male...

  • Page 44: Parts List: Pressure Bar Assembly - Model Wb-37

    Exploded view on page 43. Index No. Part No. 1 ...WB25-601 ...Roller Slider, Female ..2 2 ...6294391 ...Roller Slider, Male..2 3 ...6294392 ...Front Roller Slider, Female ..1 4 ...6294393 ...Front Roller Slider, Male ..1 5 ...6294394 ...Back Roller Slider, Female ...

  • Page 45: Platen Assembly - Model Wb-25 Only

    Platen Assembly – Model WB-25 only Parts list on page 45. Parts List: Platen Assembly – Model WB-25 Index No. Part No. Description Size 1 ...WB25-701 ...Hex Cap Screw ... 1/2-12x1-1/2... 4 2 ...TS-0720111 ...Lock Washer ... 1/2 ... 4 3 ...TS-0060061 ...Hex Cap Screw ...
  • Page 46 8 ...6290294 ...Screw Rod..1 9 ...6290295 ...Platen Lock Lever ..1 10 ...6290296 ...Scale Ring Base ..1 11 ...6290297 ...Scale Ring Base Screw ... 5/32x3/8 ... 2 12 ...6290298 ...Scale Ring..1 13 ...TS-0267051 ...Set Screw... 1/4-20x1/2... 1 14 ...6290300 ...Roller Pulley ...

  • Page 47: Platen Assembly - Models Wb-37, Wb-43

    Platen Assembly – Models WB-37, WB-43 Parts list on page 47 (WB-37) and page 48 (WB-43). Parts List: Platen Assembly – Model WB-37 Index No. Part No. Description Size 1 ...WB25-701 ...Hex Cap Screw ... 1/2-12x1-1/2... 4 2 ...TS-0720111 ...Lock Washer ... 1/2 ... 4 3 ...TS-0060061 ...Hex Cap Screw ...

  • Page 48: Parts List: Platen Assembly - Model Wb-43

    9 ...6290295 ...Platen Lock Lever ..1 10 ...6290296 ...Scale Ring Base ..1 11 ...6290297 ...Scale Ring Base Screw ... 5/32x3/8 ... 2 12 ...6290298 ...Scale Ring..1 13 ...TS-0267051 ...Set Screw... 1/4-20x1/2... 1 14 ...6288737 ...Roller Pulley ..1 15 ...6290301 ...Key ...
  • Page 49 5 ...6290291 ...Diaphragm..1 6 ...6290292 ...Flat Head Nut ..1 7 ...TS-0207041 ...Socket Head Cap Screw... 1/4-20x3/4... 2 8 ...6290294 ...Screw Rod..1 9 ...6290295 ...Platen Lock Lever ..1 10 ...6290296 ...Scale Ring Base ..1 11 ...6290297 ...Scale Ring Base Screw ...

  • Page 50: Air Regulator Assembly - Models Wb-25, Wb-37, Wb-43

    Air Regulator Assembly – Models WB-25, WB-37, WB-43 Parts list on page 50 (WB-25), page 51 (WB-37) and page 52 (WB-43). Parts List: Air Regulator Assembly – Model WB-25 Index No. Part No. Description Size 1 ...6294544 ...Filter Cup..1 2 ...6294545 ...Pressure Regulator ...

  • Page 51: Parts List: Air Regulator Assembly - Model Wb-37

    35 ...6294666 ...Flexible Hose ... ψ6×300mm ... 1 36 ...6294667 ...Flexible Hose ... ψ6×650mm ... 1 37 ...WB25-937 ...Flexible Hose ... ψ6×860mm ... 1 Parts List: Air Regulator Assembly – Model WB-37 Exploded view on page 47. Index No. Part No.

  • Page 52: Parts List: Air Regulator Assembly - Model Wb-43

    Parts List: Air Regulator Assembly – Model WB-43 Exploded view on page 47. Index No. Part No. Description Size 1 ...6294544 ...Filter Cup..1 2 ...6294545 ...Pressure Regulator ..1 3 ...6294546 ...Bronze Connector ..1 4 ...6294547 ...Flexible Hose ..1 5 ...6294548 ...Air Switch ...

  • Page 53: Sanding Belt And Accessories - Models Wb-25, Wb-37, Wb-43

    Sanding Belt and Accessories – Models WB-25, WB-37, WB-43 Parts list on page 54.

  • Page 54: Parts List: Sanding Belt And Accessories - Model Wb-25

    12 ...WB25-1012 ...Open End Wrench ... 17/19 mm... 1 13 ...WB25-1013 ...Hex Wrench Set..1 14 ...WB25-1014 ...Adjusting Rod..1 Parts List: Sanding Belt and Accessories – Model WB-37 Index No. Part No. 1 ...6290281 ...Platen Pull Hook ..1 2 ...6294461 ...Limit Switch Tube...

  • Page 55: Tension Roller Assembly - Models Wb-25 And Wb-37 Only

    Tension Roller Assembly – Models WB-25 and WB-37 ONLY Parts list on page 56 (WB-25) and page 57 (WB-37).

  • Page 56: Parts List: Tension Roller Assembly - Model Wb-25

    Parts List: Tension Roller Assembly – Model WB-25 Exploded view on page 55. Index No. Part No. Description Size 1..TS-0720111 ...Lock Washer ... 1/2 ... 1 2..TS-0208041 ...Socket Head Cap Screw... 5/16-18x3/4... 6 3 ...TS-1490031 ...Hex Cap Screw ... M8x20 ... 4 4 ...WB25-104 ...Air Cylinder 63-30 ...

  • Page 57: Parts List: Tension Roller Assembly - Model Wb-37

    60 ...TS-0561021 ...Hex Nut ... 5/16-18... 1 61 ...TS-1533032 ...Pan Head Screw ... M5x10 ... 6 62 ...WB25-162 ...Seal ..1 Parts List: Tension Roller Assembly – Model WB-37 Exploded view on page 55. Index No. Part No. Description Size 1 ...TS-0720111 ...Lock Washer ...
  • Page 58 47 ...TS-1540071 ...Hex Nut ... M10 ... 1 48 ...6294496 ...Shaft, Air Cylinder ..1 49 ...WB25-149 ...Hex Nut ... 1/2-12... 1 ...WB25-AVA...Air Valve Assembly (Includes Index #25,26,46,48,50 thru 56)... 1 50 ...6294497 ...Bottom Cover ..1 51 ...6294498 ...Spring..1 52 ...6294499 ...Aluminum Plate ...

  • Page 59: Tension Roller Assembly - Model Wb-43 Only

    Tension Roller Assembly – Model WB-43 ONLY Parts list on page 60.

  • Page 60: Parts List: Tension Roller Assembly - Model Wb-43

    Parts List: Tension Roller Assembly – Model WB-43 Exploded view on page 59. Index No. Part No. Description Size 1 ...WB25-162 ...Seal ..1 2..TS-0720111 ...Lock Washer ... 1/2 ... 7 3 ...TS-0208041 ...Socket Head Cap Screw... 5/16-18x3/4... 6 4 ...TS-0208041 ...Socket Head Cap Screw...
  • Page 61 56 ...TS-0720051 ...Lock Washer ... #10 ... 12 57 ...TS-1540071 ...Hex Nut ... M10 ... 1 58 ...6294494 ...Universal Joint Fork ..1 59 ...WB25-149 ...Hex Nut ... 1/2-12... 1 60 ...TS-0561021 ...Hex Nut ... 5/16-18... 1 61 ...6294503 ...Base, Air Cylinder Firing ..1 62 ...WB25-159 ...Eccentric Shaft Housing...

  • Page 62: Electrical Box Assembly - Models Wb-25 And Wb-37

    Electrical Box Assembly – Models WB-25 and WB-37 Parts list on page 63 (WB-25) and 64 (WB-37).

  • Page 63: Parts List: Electrical Box Assembly - Model Wb-25

    Exploded view on page 62. Index No. Part No. 1 ...WB25-801 ...Electrical Control Box ..1 2 ...6294516 ...Hinge Pin..2 3 ...WB25-803 ...Electrical Control Box Door..1 4 ...WB25-804 ...Base Plate..1 5 ...TS-0561011 ...Hex Nut ... 1/4-20... 4 6 ...TS-0720071 ...Lock Washer ...

  • Page 64: Parts List: Electrical Box Assembly - Model Wb-37

    Exploded view on page 62. Index No. Part No. 1 ...WB25-801 ...Electrical Control Box ..1 2 ...6294516 ...Hinge Pin..2 3 ...WB25-803 ...Electrical Control Box Door..1 4 ...WB25-804 ...Base Plate..1 5 ...TS-0561011 ...Hex Nut ... 1/4-20... 4 6 ...TS-0720071 ...Lock Washer ...

  • Page 65: Electrical Box Assembly - Model Wb-43 Only

    Electrical Box Assembly – Model WB-43 ONLY Parts list on page 66.

  • Page 66: Parts List: Electrical Box Assembly - Model Wb-43

    Exploded view on page 65. Index No. Part No. 1 ...WB43-801 ...Electrical Control Box ..1 2 ...6294516 ...Hinge Pin..2 3 ...WB43-803 ...Electrical Control Box Door..1 4 ...6294518 ...Base Plate..1 5 ...TS-0561011 ...Hex Nut ... 1/4-20... 4 6 ...TS-0720071 ...Lock Washer ...

  • Page 67: Electrical Connections - Models Wb-25 And Wb-37 Only

    Electrical Connections – Models WB-25 and WB-37 ONLY...

  • Page 68: Electrical Connections - Model Wb-43 Only

    Electrical Connections – Model WB-43 ONLY...

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