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Jet Elite EVBS-20 Operating Instructions And Parts Manual

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Operating Instructions and Parts Manual
Vertical Band Saw
Model EVBS-20
®
JET
427 New Sanford Road
LaVergne, Tennessee 37086
www.jettools.com
Ph.: 855-336-4032
This .pdf document is bookmarked
Part No. M-891100
REV D 10/2018
Copyright © 2018 JET

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  • Page 1 This .pdf document is bookmarked Operating Instructions and Parts Manual Vertical Band Saw Model EVBS-20 ® 427 New Sanford Road LaVergne, Tennessee 37086 Part No. M-891100 www.jettools.com REV D 10/2018 Ph.: 855-336-4032 Copyright © 2018 JET...

  • Page 2: Warranty And Service

    Technical Service by calling 1-855-336-4032, 8AM to 5PM CST, Monday through Friday. WARRANTY PERIOD The general warranty lasts for the time period specifi ed in the literature included with your product or on the offi cial JET branded website, jettools.com.
  • Page 3 THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. JET sells through distributors only. The specifi cations listed in JET printed materials and on offi cial JET website are given as general information and are not binding. JET reserves the right to effect at any time, without prior notice, those alterations ®...

  • Page 4: Table Of Contents

    2.0 TABLE OF CONTENTS 1.0 WARRANTY AND SERVICE ............................2 2.0 TABLE OF CONTENTS ..............................4 3.0 SAFETY WARNINGS ..............................5 4.0 INTRODUCTION ................................6 5.0 SPECIFICATIONS .................................7 6.0 UNCRATING AND ASSEMBLY .............................8 7.0 INSTALLATION ................................8 8.0 ELECTRICAL CONNECTIONS .............................8 8.1 VOLTAGE CONVERSION ............................8 8.2 THREE-PHASE TEST RUN ............................8 9.0 CONTROLS...................................9 10.0 ADJUSTMENTS ................................10...

  • Page 5: Safety Warnings

    5. Do not use this band saw for other than its intended use. If used for other purposes, JET ®...

  • Page 6: Introduction

    If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our web site: www.jettools.com. Retain this manual for future reference. If the machine transfers ownership, the manual should ac- company it.

  • Page 7: Specifications

    Gross Weight (lbs.) 1,356 The specifi cations in this manual were current at time of publication, but because of our policy of continuous improvement, JET ® , reserves the right to change specifi cations at any time and without prior notice, without incurring obligations.

  • Page 8: Uncrating And Assembly

    6.0 UNCRATING AND ASSEMBLY 4. To level the machine, place a machinist’s level on the table and observe in both directions. Note: Read and understand the entire manual before 5. Use metal shims under the appropriate hold down attempting setup or operation. screw.

  • Page 9: Controls

    Main Motor Stop Switch (I, Figure 3) - 9.0 CONTROLS Press to stop band saw. Key Lock Switch (J, Figure 3) - Refer to Figures 2 and 3. Turn to 12 o’clock position and remove key to lock out Low/High Range Shift Lever (B, Figure 2) - power from the control panel.

  • Page 10: Adjustments

    Fig. 6 Fig. 4 Blade Tension Handwheel (S, Figure 5) - Located on underside of upper frame. Turn clockwise to 10.0 ADJUSTMENTS tension blade; counterclockwise to release tension on blade. Blade Tracking Knob (T, Figure 5) - Located at upper rear of the saw. Turn clockwise to track All adjustments or repairs to machine must be done blade toward front of the blade wheel.

  • Page 11: Blade Tracking

    10.3 BLADE GUIDE ADJUSTMENT Blade guides must be properly adjusted or damage may occur to blade and/or guides. Guard has been removed to show detail. Always operate saw with guard in place and properly adjusted. Failure to comply may cause serious Fig.

  • Page 12: Top Guide Adjustment

    10. Turn on saw and check blade tracking. Adjust track- ing if necessary. Fig. 9 10.4 TOP GUIDE ADJUSTMENT Fig. 10 Always position top guide to within 1/8” of the top sur- face of workpiece. This minimizes exposure of operator’s hands to the saw blade.

  • Page 13: Tooth Shape

    11.2 TOOTH SHAPE Note: When cutting thin materials, the rule for blade pitch is to have a minimum of two teeth engaging the Never adjust guide fi ngers while blade is running. material being cut at all times. Failure to comply may cause serious injury. Standard Tooth - generally used to cut ferrous metals, hard bronze, hard brass, and thin metals.

  • Page 14: Removing Teeth

    Position blade so that cut is made at a place that GRIND HERE allows for uniform spacing of teeth. See Figure 12. Bring handle down fi rmly to cut blade. IMPORTANT: If a blade has been cut by using snips, the ends of the blade must be ground square before welding them together, as shown in Figure 14.

  • Page 15: Annealing

    Set pressure selector switch (counterclockwise rota - tion) to the approximate setting required for the width of the blade being welded. Misaligned Weld Keep hands clear of weld area and clamp jaws during welding. Incomplete Weld Press and hold weld button (Figure 14). When weld button is pushed, the left clamp moves to the right to apply pressure to the blade ends.

  • Page 16: Carbon Steel Blades

    12.4.3 BI-METAL BLADES 1. Heat blade slowly by jogging the annealing switch button until weld just begins to emit light (dull red If blade is thicker at the weld than at the rest of the color). The desired color may not always be visible in blade, using the blade may damage the guides.

  • Page 17: Secondary Annealing

    – rials. The following procedure will be adequate, however, then feed rate is excessive. for break-in of JET-supplied blades on lower alloy ferrous materials. • If chips are slightly curled and not colored by heat, then the blade is suffi...

  • Page 18: Maintenance

    14.0 MAINTENANCE Before doing maintenance on the machine, discon- nect it from the electrical supply by pulling out the plug or switching off the main switch. Failure to comply may cause serious injury. Use a brush to loosen accumulated chips and debris. Use a shop vacuum to remove the debris.

  • Page 19: Troubleshooting

    15.0 TROUBLESHOOTING 15.1 OPERATING PROBLEMS Table 1 Trouble Probable Cause Remedy Blade has been improperly welded. Re-weld blade. See section 12.3 Blade not installed properly. Set guide inserts closer, and increase blade tension. Saw blade is twisted. Feeding workpiece too forcefully. Decrease feed rate.

  • Page 20: Mechanical And Electrical Problems

    15.2 MECHANICAL AND ELECTRICAL PROBLEMS Table 2 Trouble Probable Cause Remedy Verify machine is connected to power source. Make sure START button is No incoming power. Machine will not start/restart or re- pushed in completely, and STOP but- peatedly trips circuit breaker or blows ton is disengaged.

  • Page 21: Welded Blade Inspection

    Double check to confi rm all electrical connections are correct. Refer to ap- Miswiring of the unit. propriate wiring diagrams to make any needed corrections. Machine will not start/restart or re- peatedly trips circuit breaker or blows If switch is suspect, you have two op- fuses (cont.) tions: Have a qualifi...

  • Page 22: Welder Mechanical Problems

    15.4 WELDER MECHANICAL PROBLEMS Table 4 Trouble Probable Cause Remedy Weld could not be made. Jaws do not Wire connection is poor; connecting Change switch, or grind the connect- move. point of welding switch is bad. ing port with a fi le. Transformer burned out.

  • Page 23: Speed And Pitch Chart

    16.0 SPEED AND PITCH CHART Table 5 Sawing speed (Ft/min) for specifi ed Materal and thickness Pitch (No. of teeth/inch) Material Thickness ~1/4 1/4~1 ~1/4 1/4~1 1~3 3~6 6~ High carbon steel Free cutting steel Ordinary tool steel High speed steel Stainless steel Thick iron plate Cast iron...

  • Page 24: Replacement Parts - Evbs 20

    17.0 REPLACEMENT PARTS — EVBS 20 Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-855-336-4032, Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately.
  • Page 25 BREAKDOWN ASSEMBLY — EVBS-20 EVBS-20...
  • Page 26 ASSEMBLY PARTS LIST — EVBS-20 Index No. Part No. Description Size Qty. EVBS20-0500 Gear Box EVBS20-0510 Gear Box Cover EVBS20-0520 Gear EVBS20-0521 Gear EVBS20-0530 Screw Nut EVBS20-0531 Screw Nut EVBS20-0540 Gear EVBS20-0550 Gear Shaft EVBS20-0560 Shaft Cover EVBS20-0570 Gear EVBS20-0580 Main Shaft EVBS20-0591 Main Shaft Cover...
  • Page 27 Index No. Part No. Description Size Qty. EVBS20-1320 Blade Guide EVBS20-1331 Blade Stopper, Upper EVBS20-1332 Blade Stopper, Lower VBS2012-1333 Eccentric Shaft EVBS20-1350 Blade Guide Post EVBS20-1360 Guide Post Housing EVBS20-1361 Post Clamping Spring EVBS20-1370 Blade Guard, Left EVBS20-1381 Blade Guard, Right EVBS26-1380 Blade Guard Assembly (s/n 13082031 and higher)
  • Page 28 ASSEMBLY PARTS LIST — EVBS-20 Index No. Part No. Description Size Qty. VBS2012-4150 Air Inlet VBS2012-4170 Air Nozzle VBS2012-4180 Air Nozzle Clipper EVBS20-4490 Air Tube Connecter BB-6002 Ball Bearing 6002 EVBS20-5000 Main Body EVBS20-5100 Rear Door, Right EVBS20-5120 Lower Door EVBS20-5140 Upper Door VBS2012-7310...
  • Page 29 Index No. Part No. Description Size Qty. EVBS20-6770 Wire Housing EVBS20-6771 Ground Seat EVBS20-6798 Electric Box EVBS20-6799 Wiring Plate Bi-metal blade (not shown) EVBS20-140 1/4”x0.025”x151.5” (14/18VT) EVBS20-141 Sensor EVBS20-142 Table Insert EVBS-20...
  • Page 30 WELDER COMPONENT ASSEMBLY — EVBS-20 Vertical Band Saw...
  • Page 31 PARTS LIST WELDER COMPONENT — EVBS-20 Index No. Part No. Description Size Qty. EVBS20-601 Limit Switch EVBS20-EV-6011 Insulator EVBS20-EV-6020 Guide Block EVBS20-EV-6021 Spring Bracket EVBS20-EV-6030 Guide Casting EVBS20-EV-6040 Housing EVBS20-EV-6050 Stationary Jaw EVBS20-EV-6051 Insulator EVBS20-EV-6052 Insulating Tube EVBS20-EV-6053 Washer, Insulate EVBS20-EV-6054 Spacer EVBS20-EV-6060...
  • Page 32 Index No. Part No. Description Size Qty. EVBS20-HV-6341 Instruction Label EVBS20-HV-6351 Grinder Label EVBS20-HV-6420 Anneal Button EVBS20-HV-6450 Defl ector Bracket, Right EVBS20-HV-6451 Defl ector Bracket, Left EVBS20-HV-6460 Spark Defl ector EVBS20-HV-9291 Knob EVBS20-WCP Welder Assembly Complete EVBS20-WL Work Lamp Component 110V/12V/20W EVBS20-EV-1910 Spindle Bushing...

  • Page 33: Electrical Connections

    18.0 ELECTRICAL CONNECTIONS — EVBS-20 INVERTER EVBS-20...

  • Page 34: Wiring Diagram

    19.0 WIRING DIAGRAM Vertical Band Saw...
  • Page 35 NOTES EVBS-20...
  • Page 36 NOTES Vertical Band Saw...

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891100

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