Jet J-8203K Operating Instructions And Parts Manual
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Jet J-8203K Operating Instructions And Parts Manual

14-inch vertical band saws
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Operating Instructions and Parts Manual
14-Inch Vertical Band Saws
Models: J-8201, J-8203K, J-8201VS, J-8203VS
WMH TOOL GROUP, Inc.
427 New Sanford Road
LaVergne, Tennessee 30786
Ph.: 800-274-6848
www.wmhtoolgroup.com
Model J-8201 shown
This Manual is Bookmarked
R
C
US
108026
Part No. M-414500
Revision A1 03/09
Copyright © 2009 WMH Tool Group, Inc.

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  • Page 1: Cover Page

    This Manual is Bookmarked Operating Instructions and Parts Manual 14-Inch Vertical Band Saws Models: J-8201, J-8203K, J-8201VS, J-8203VS 108026 Model J-8201 shown WMH TOOL GROUP, Inc. 427 New Sanford Road LaVergne, Tennessee 30786 Part No. M-414500 Ph.: 800-274-6848 Revision A1 03/09 www.wmhtoolgroup.com...
  • Page 2 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® tools. For the name of an Authorized Service Center in your area call 1-800-274-6848. MORE INFORMATION WMH Tool Group is consistently adding new products to the line.

  • Page 3: Table Of Contents

    Table of Contents Cover Page ....................1 General Specifications ................4 Warnings and Safety ................... 5 Set-up and Operation .................. 8 Operating Instructions ................13 Maintenance ....................17 Troubleshooting ..................19 Replacement Parts ................... 22 Wiring Diagram...

  • Page 4: General Specifications

    General Specifications JET’s 14-inch Vertical Band Saws are specially de- signed to effectively cut a variety of materials includ- ing wood, plastic, bakelite, composites, ferrous and non-ferrous metals. Models J-8201 and J-8203 are wood and metal cutting band saws. JET’s Model J-8201VS and J-8203VS 14-inch Vari-...

  • Page 5: Warnings And Safety

    cal supply while servicing. - Misuse of this machine can cause serious injury. - Always follow instructions in Operating Instruc- - For safety, machine must be set up, used and tions and Parts Manual when changing acces- serviced properly. sory tools or parts. - Read, understand and follow instructions in the - Never modify the machine without consulting Operating Instructions and Parts Manual which...
  • Page 6 be carefully checked to determine that it will operate General Electrical Cautions properly and perform its intended function - check for This saw should be grounded in accordance with alignment of moving parts, binding of moving parts, the National Electrical Code and local codes and or- breakage of parts, mounting, and any other condi- dinances.
  • Page 7 Safety Instructions on Sawing Systems 1. Always wear leather gloves when handling saw as possible to the workpiece. blade. The operator shall not wear gloves when 9. Always wear protective eye wear when operat- operating the machine. ing, servicing, or adjusting machinery. Eyewear 2.

  • Page 8: Setup And Operation

    Introduction Setup and Operation Set-up This manual includes operating and maintenance in- structions for the JET14-Inch Vertical Band Saws, Models J-8201, J-8203, J-8201VS, and J-8203VS. This The band saw is shipped with the saw frame manual also includes parts listings and illustrations separated from the saw base.
  • Page 9 Connecting to 3-phase power 6. Tension the belts (refer to Changing Drive Belt Position). 7. Check gearbox fluid level in sight gauge. If 1. Disconnect and lock out the branch circuit to required, add lubricant to bring level halfway up the saw before attempting electrical connec- the sight gauge.
  • Page 10 2. Grounded, cord-connected tools intended for GROUNDING INSTRUCTIONS use on a supply circuit having a nominal rating less than 150 volts: 1. All grounded, cord-connected tools: This tool is intended for use on a circuit that has an In the event of a malfunction or breakdown, grounding outlet that looks like the one illustrated in Sketch A.
  • Page 11 For 115/230V For 115 only...
  • Page 12 Installing Optional Frame Riser are checked and adjusted as required. 18. Install the extension plug cable between the NOTE: Refer to the illustrations in the Replacement motor plug and switch plug. Parts section for location of the parts used on 19.

  • Page 13: Operating Instructions

    Operating Instructions Figure 6 provides suggested blade speeds for various types of materials. The recommended speeds should be decreased 30 to 50% when using Operating Controls carbon steel blades. (The chart provides speeds that are based on cutting a 4-inch thick work piece using a bi-metal blade without cutting fluid.) START/STOP Switch The following conditions should also be consid-...
  • Page 14 Adjustments Adjusting Blade Support/Guide Height The upper blade support and guide mechanism can be adjusted to accomodate the height of the work piece. 1. To adjust the support, loosen the knob that clamps the support rod, then move the support up or down in its holder.
  • Page 15 2. Measure from both ends of the miter slot to the breaker in the branch circuit. straight edge.3. If the measurements are 2. Move the upper blade guide assembly to the not equal at both ends of the slot, loosen six very top of its travel.
  • Page 16 1. Turn the main switch to off. 5. Release the weight of motor so the motor pivots downward. The weight of the motor is 2. Pull the door open on the pulley case. provide adequate belt tension. 3. Turn the clutch handle clockwise and push in, to engage the high speed pulley drive.

  • Page 17: Maintenance

    Maintenance 10. Install the belts as required (refer to Figure 10). 11. Release the weight of motor so the motor pivots downward. The weight of the motor will provide adequate belt tension. This section contains periodic maintenance 12. The weight of the motor should provide recommendations and maintenance procedures.
  • Page 18 9. USING LEATHER GLOVES AND ANSI Z87.1 Leveling Table leveling EYEWEAR TO PROTECT YOURSELF FROM bolt lock bolt Trunnion Blade THE CUTTING BLADE, carefully remove the attachment support blade from the drive wheels. Remove the bolts bearing blade out of the saw table through the table. 10.

  • Page 19: Troubleshooting

    Draining and refilling the reduction gearbox. Blade WARNING: The saw must be turned off and Blade support bearing power disconnected any time the gearbox lubricant is being drained or filled. Guide block 1. Unplug the electrical cord or open the circuit Support set screws bearing...
  • Page 20 Periodic Maintenance Maintenance Item Action Interval Replace blade when teeth are Saw blade Listen for sound of Whenever broken missing teeth operating saw Replace blade when bent — or worn Observe cutting Whenever — Use a wider blade for more action for cleanness operating saw accurate straight cuts...
  • Page 21 Troubleshooting Probable cause Suggested remedy Fault 1. Material loose in vise. 1. Clamp work securely. Excessive blade 2. Incorrect speed or feed. 2. Refer to Figure 6 or check breakage Machinist’s Handbook for speed/ feed appropriate for the material being cut. 3.

  • Page 22: Replacement Parts

    Troubleshooting (Continued) Blade is twisting 1. Blade is binding in the cut. 1. Decrease feed pressure. 2. Blade tension too high. 2. Decrease tension on blade Unusual wear on 1. Blade guides worn 1. Replace blade guides. side/back of blade 2.
  • Page 23 Exploded View and Parts Listing– Base– Models J-8201 and J-8203 In No. Part No. Description Size Qty. 1 ..J-5513834 ..... Close Stand ................... 1 ... J-5507565 ..... Closed Stand Assembly w/o Motor ............1 2 ..J-5513835 ..... Door ...................... 1 3 ..
  • Page 24 Exploded View and Parts List – Base –Models J-8201VS and J-8203VS In No. Part No. Description Size Qty. 1 ..J-5513860 ..... Close Stand ................... 1 2 ..J-5513835 ..... Door ...................... 1 3 ..5513836 ......Lock ...................... 1 4 ..
  • Page 25 Exploded View – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS...
  • Page 26 Parts List – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS In No. Part No. Description Size Qty. 1 ..J-5782511 ..... Upper Arm, Frame ................. 1 2 ..J-5783041 ..... Base ...................... 1 3 ..5783241 ......Dowel Pin ....................4 4 ..
  • Page 27 Parts List – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS In No. Part No. Description Size Qty. 58 ..5782881 ......Flange Nut ............M5 ......12 59 ..5783581 ......Hex Nut ............... M8 ......5 60 ..5782711 ......Hex Nut ............... M12 ......1 61 ..
  • Page 28 Parts List – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS In No. Part No. Description Size Qty. 117 ..5783721 ......Handle ....................2 118 ..5783681 ......Setting Bushing ..................2 119 ..5783771 ......Spacer ....................2 121 ..
  • Page 29 Exploded View – Gearbox – Models J-8201 and J-8203...
  • Page 30 Parts List – Gearbox – Models J-8201 and J-8203 In No. Part No. Description Size Qty. 1 ..J-5783831 ..... Housing Gearbox ................... 1 2 ..5513791 ......Packing ....................1 3 ..5783861 ......Plug ....................... 2 4 ..5783911 ......Oil Level Glass ..................1 5 ..
  • Page 31 Exploded View – Gearbox – Models J-8201VS and J-8203VS...
  • Page 32 Parts List – Gearbox – Models J-8201VS and J-8203VS In No. Part No. Description Size Qty. 1 ..J-5313790 ..... Housing Gearbox ................... 1 2 ..5513791 ......Packing ....................1 3 ..5783861 ......Plug ....................... 2 4 ..5783911 ......Oil Level Glass ..................1 5 ..
  • Page 33 Parts Listing– Optional Riser Block– All Models In No. Part No. Description Size Qty. 1 ..J-5784511 ..... Riser Block ................... 1 2 ..5784521 ......Blade Guard ..................1 3 ..5784551 ......Hex Head Screw ..........5/8x8-1/2 ....1 4 ..
  • Page 34 5782171 Rip Fence Assembly (Optional Equipment) In No. Part No. Description Size Qty. 2 ..JWBS18-431 ....Knob ....................1 3 ..JWBS18-432 ....Lock Handle..................1 4 ..JWBS18-433 ....Lock Plate ..................1 5 ..JWBS18-434 ....Pad ....................5 6 ..

  • Page 35: Wiring Diagram

    Wiring Diagram Single Phase CAPACITOR CAPACITOR 115V 230V 20 µ fd 250VAC 20 µ fd 250VAC 300MFD 125VAC 300MFD 125VAC START START WHITE WHITE WHITE WHITE BLACK BLACK BLACK BLACK STOP STOP GREEN GREEN GREEN GREEN GROUND GROUND Three Phase 230V 460V START...
  • Page 36 WMH TOOL GROUP, Inc. 427 New Sanford Road LaVergne, Tennessee 30786 Ph: 800-274-6848 www.wmhtoolgroup.com...

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