Jet Tools J-8201 manuale d’uso

This Manual is Bookmarked CU S R 108026 WMH TOOL GROUP , Inc. 427 New Sanford Road LaV ergne, T ennessee 30786 Part No. M-414500 Ph.: 800-274-6848 Revision A1 03/09 www .wmhtoolgroup.com Copyright © 2009 WMH T ool Group, Inc. Operating Instructions and Part s Manual 14-Inch V ertical Band Saws Models: J-8201, J-8203K, J-8201VS, J-8203VS Model J-82[...]

W arranty and Service WMH T ool Group, Inc., warrants every product it sells. If one of our tools needs service or rep air , one of our Authorized Service Centers located throughout the United S tates can give you quick service. In most cases, any of these WMH T ool Group Authorized Service Centers can authorize warranty repair , assist you in obta[...]

3 T able of Content s Cover Page .................................................................................................. 1 General S pecifications . ............................................................................... 4 W arnings and Safety ................................................................................... 5 S[...]

4 JET’s 14-inch V ertical 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 V ari- able S peed Band Saws are ideally suited for metal[...]

5 cal supply while servicing. - Always follow instructions in Operating Instruc- tions and Parts Manual when changing acces- sory tools or parts. - Never modify the machine without consulting JET Corporation. Y ou - the St ationary Power T ool User - Hold the Key to Safety . Read and follow these simple rules for best results and full benefits from[...]

6 General Electrical Cautions This saw should be grounded in accordance with the National Electrical Code and local codes and or- dinances. This work should be done by a qualified electrician. The saw should be grounded to protect the user from electrical shock. Caution: For circuits which are far away from the electrical service box, the wire size[...]

7 1. Always wear leather gloves when handling saw blade. The operator shall not wear gloves when operating the machine. 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 motor is started. The moto[...]

8 Upper blade guide and support assembly ON/OFF switch Optional rip fence Miter slot T able Lower blade guide and support assembly Lower drive wheel Upper blade guide support assembly Blade guard Lower wheel guard Dust chute Upper wheel guard Blade tension adjustment knob Upper drive wheel Introduction This manual includes operating and maintenance[...]

9 6. T ension the belts (refer to Changing Drive Belt Position) . 7. Check gearbox fluid level in sight gauge. If required, add lubricant to bring level halfway up the sight gauge. (T wo containers of Shell S pirax 90 HD gear oil are packed with the saw . The containers have sufficient amount of lubricant to fill the gearbox.) 8. Check blade tensio[...]

10 GROUNDING INSTRUCTIONS 1. All grounded, cord-connected tools: In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This tool is equipped with an electric cord having an equipment- grounding conductor and a grounding plug. The plug must be plugged into[...]

11 For 1 15/230V For 1 15 only[...]

12 Installing Optional Frame Riser NOTE: Refer to the illustrations in the Replacement Parts section for location of the p arts used on the frame riser . 1. Remove the saw blade (refer to Changing Saw Blades). 2. Remove the two screws at the top and bottom of the blade guide that holds the blade guide on the frame. W ARNING: The saw must be turned [...]

13 Operating Controls ST ART/STOP Switch The ST ART/STOP switch (refer to Figure 5) is used to turn on the band saw drive motor . The ST ART switch has a molded guard which prevent inadvertent pressing of the ST ART pushbutton. The STOP pushbutton is not guarded to allow use as an E-stop in an emergency . V ariable Speed Control The variable speed [...]

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. T o adjust the support, loosen the knob that clamps the support rod, then move the support up or down in its holder . (Refer to Figure location of the support mechanism. 2. Adjust the support[...]

15 breaker in the branch circuit. 2. Move the upper blade guide assembly to the very top of its travel. 3. Make sure the blade is straight, and fully tensioned. (A damaged or worn blade may provide a poor reference surface for squaring the table.) 4. Loosen the table lock knobs and hold the table firmly against it s positive leveling stop. 6. Using[...]

16 1. Turn the main switch to off. 2. Pull the door open on the pulley case. 3. T urn the clutch handle clockwise and push in, to engage the high speed pulley drive. Or , turn the clutch handle clockwise, and pull out, to engage the reduction gearbox drive. NOTE : When pushing or pulling the clutch knob, the dogs on the clutch mechanism are being e[...]

17 10. Install the belts as required (refer to Figure 10). 1 1. Release the weight of motor so the motor pivots downward. The weight of the motor will provide adequate belt tension. 12. The weight of the motor should provide sufficient tension so the the middle of the small drive belt is displaced approximately the thickness of the belt. (The high [...]

18 9. USING LEA THER GLOVES AND ANSI Z87.1 EYEWEAR TO PROTECT YOURSELF FROM THE CUTTING BLADE, carefully remove the blade from the drive wheels. Remove the blade out of the saw table through the table. 10. Hang the removed blade in a safe place. NOTE: Clean out the interior of the saw with a shop vacuum. Examine the bearings and other exposed mecha[...]

19 Carbide guide block Blade Blade support bearing Guide block set screws Support bearing shaft Guide block support set screw Figure 14. Lower Blade Support Assembly Replacing drive wheel rubber protectors The rubber rings that cover the drive wheels are called protectors. The protectors protect the wheel from blade damage and provide a high fricti[...]

20 Periodic Maintenance Maintenance Replace blade when teeth are broken Replace blade when bent — or worn — Use a wider blade for more accurate straight cuts Interval Whenever operating saw Whenever operating saw When changing blade Action Listen for sound of missing teeth Observe cutting action for cleanness and accuracy Listen for a poor weld[...]

21 T roubleshooting Fault Excessive blade breakage Premature blade dulling Bad cuts (out-of-square) Bad cuts (rough) Probable cause 1. Material loose in vise. 2. Incorrect speed or feed. 3. T eeth too coarse for material. 4. Incorrect blade tension. 5. Saw blade contact s workpiece before the saw is started. 6. Blade rubs on the wheel flange. 7. Mi[...]

22 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 t[...]

23 Exploded View and Parts Listing– Base– Models J-8201 and J-8203 In No. Part No. Description Size Qt y . 1 ......... J-5513834 ..................... Close S tand ........................................................................................... 1 ........... J-5507565 ..................... Closed St and Assembly w/o Motor ...........[...]

24 Exploded View and Parts List – Base –Models J-8201VS and J-8203VS In No. Part No. Description Size Qt y . 1 ......... J-5513860 ..................... Close S tand ........................................................................................... 1 2 ......... J-5513835 ..................... Door .....................................[...]

25 Exploded View – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS[...]

26 Parts List – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS 1 ......... J-578251 1 ..................... Upper Arm, Frame ................................................................................. 1 2 ......... J-5783041 ..................... Base ............................................................................[...]

27 5 8 ....... 5782881 ........................ Flange Nut ........................................................... M 5 .......................... 1 2 5 9 ....... 5783581 ........................ Hex Nut ............................................................... M 8 ............................ 5 6 0 ....... 578271 1 .......................[...]

28 Parts List – Saw Head – Models J-8201K, J-8203K, J-8201VS, and J-8203VS 1 1 7 ...... 5783721 ........................ Handle ................................................................................................... 2 1 1 8 ...... 5783681 ........................ Setting Bushing ......................................................[...]

29 Exploded View – Gearbox – Models J-8201 and J-8203[...]

30 Parts List – Gearbox – Models J-8201 and J-8203 In No. Part No. Description Size Qt y . 1 ......... J-5783831 ..................... Housing Gearbox ................................................................................... 1 2 ......... 5513791 ........................ Packing . ......................................................[...]

31 Exploded View – Gearbox – Models J-8201VS and J-8203VS[...]

32 Parts List – Gearbox – Models J-8201VS and J-8203VS In No. Part No. Description Size Qt y . 1 ......... J-5313790 ..................... Housing Gearbox ................................................................................... 1 2 ......... 5513791 ........................ Packing .. .................................................[...]

33 Parts Listing– Optional Riser Block– All Models In No. Part No. Description Size Qt y . 1 ......... J-578451 1 ..................... Riser Block ........................................................................................... 1 2 ......... 5784521 ........................ Blade Guard ...............................................[...]

34 5782171 Rip Fence Assembly (Optional Equipment) In No. Part No. Description Size Qt y . 2 ......... JWBS18-431 ................. Knob ....................................................... ...........................................1 3 ......... JWBS18-432 ................. Lock Handle............................................................[...]

35 Wiring Diagram 1 32 4 WHITE BLACK GREEN GROUND GREEN BLACK WHITE GREEN BLACK WHITE START STOP 300MFD 125VAC 20 µ fd 250VAC CAPACITO R 115V 1 3 2 4 WHITE BLACK GREEN GROUND GREEN BLACK WHITE GREEN BLACK WHI TE START STOP 300MFD 125VAC 20 µ fd 250VAC CAPACITO R 230V U2 WHITE RED GREEN GROUN D GREEN GREE N BLACK WHITE START STOP 230V 460V BLAC K [...]

WMH TOOL GROUP , Inc. 427 New Sanford Road LaV ergne, T ennessee 30786 Ph: 800-274-6848 www .wmhtoolgroup.com[...]