Table of Contents
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Operating Instructions and Parts Manual
Disc, Belt and Combination Disc/Belt Sanders
Models:
J-4200A
J-4200A-2
J-4202A
J-4200A Disc/Belt Sander
JET
427 New Sanford Road
LaVergne, Tennessee 37086
Ph.: 800-274-6848
www.jettools.com
J-4300A
J-4400A
J-4301A
J-4401A
J-4300A Belt Sander
This .pdf document is bookmarked
J-4400A Disc Sander
Part No. M-414551
Revision C1 01/2014
Copyright © 2014 JET
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Table of Contents
Related Manuals for Jet J-4200A
Summary of Contents for Jet J-4200A
- Page 1 Disc, Belt and Combination Disc/Belt Sanders Models: J-4200A J-4300A J-4400A J-4200A-2 J-4301A J-4401A J-4202A J-4200A Disc/Belt Sander J-4300A Belt Sander J-4400A Disc Sander 427 New Sanford Road LaVergne, Tennessee 37086 Part No. M-414551 Ph.: 800-274-6848 Revision C1 01/2014 www.jettools.com Copyright © 2014 JET...
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Page 2: Warranty And Service
NOTE: JET, Wilton and Powermatic are divisions of JPW Industries, Inc.. References in this document to JET, Wilton and/or Powermatic also apply to JPW Industries, Inc., or any of its successors in interest to the JET, Wilton and/or Powermatic brands. -
Page 3: Table Of Contents
11.5.2 Base Assembly: Model J-4300A, 3 Phase – Parts List ............... 29 11.6.1 Base Assembly: Model J-4200A & 4400A, 1 Phase – Exploded View ..........30 11.6.2 Base Assembly: Model J-4200A & 4400A, 1 Phase – Parts List ............31 ... -
Page 4: Safety Warnings
Read and follow these simple rules for best results and full benefits from your machine. Used properly, 14. Keep work area clean. Cluttered areas invite JET machinery is among the best in design and accidents. safety. However, any machine used improperly can 15. - Page 5 18. Keep hands in sight and clear of all moving parts other hazardous properties. You should always and cutting surfaces. consult the manufacturer of such materials for instructions on sanding and handling. 19. All visitors should be kept at a safe distance from the work area.
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Page 6: Machine And Manual Overview
Instructions in this manual assume that you are using one of the Model J-4200A Series Belt and Disc machines. If you have a disc only, or belt only machine, you can bypass those instructions which do not apply to you. -
Page 7: Specifications
164 lbs. (74 kg.) The specifications in this manual were current at time of publication, but because of our policy of continuous improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring obligations. -
Page 8: Operating Instructions
6.0 Operating instructions These sanders can be used to remove stock from a wide variety of machinable materials. Different materials require different grit types and grades to achieve the desired stock removal rate and surface finish. Please consult with your abrasive materials supplier for specific recommendations on the correct grit material and grade required for your specific needs. -
Page 9: Adjusting Disc Sander Table
6.6 Use of the Miter Gauge To adjust to horizontal: Unlock both lock bolts. The miter gauge can be used on either the disc or belt surfaces to sand accurate angles on workpieces. Move arm to horizontal until it contacts its stop. When using the gauge alone, you sand a single (See Figure 3.) angle. -
Page 10: Maintenance
Remove the belt. 7.0 Maintenance Check the drums and platen for scoring or signs wear which might require service 7.1 Belt replacement replacement. Disconnect the power to the machine to prevent Check the height of the platen with a straight accidental start-ups. -
Page 11: Installing Abrasive Discs
built up material in the upper part of the bracket casting. Take the two keys off of the idler pin bracket, wipe off, and re-grease. Reverse the above steps to make the machine ready for reinstallation of the belt according to the Belt replacement instructions. - Page 12 Figure 13: Removing the guard and drive disc, together. 12. Slide the disc and guard back into position. 13. Reinstall the disc guard bolts underneath the table. Figure 11: Rotating the machine casting to remove 14. Position the drive disc so that it is no more than the disc guard bolts 1/16 inch away from the table, then tighten BOTH of the set screws by inserting the hex wrench...
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Page 13: Machine Setup
8.2 Disc table angle adjustment Disconnect power to the machine to prevent accidental start-ups. Loosen the table locking knobs on either end of the table. Using a machinist's square against the table and disc, set the table at exactly 90° to the disc (See Figure 15). -
Page 14: Disc Table Gap Adjustment
8.5 Belt table miter slot parallelism Move the measuring device to the opposite edge of the disc and measure the distance to the miter adjustment slot. Disconnect power to the machine to prevent Adjust the table by loosening the four attachment accidental start-ups. -
Page 15: Adjusting Or Replacing The Platen
Remove the top cover, side guard and belt as outlined in section 7.1, Belt replacement. Caution: JET sanders are available in a wide variety Remove the table by unscrewing the locking of electrical configurations to meet the needs of the... -
Page 16: Single Phase Electrical Hookup
3. Replace the current magnetic switch with the counterclockwise. 460V switch (p/n 4202A-5095, purchased Voltage conversion separately – see your dealer or contact JET to order). Single phase machines are pre-wired for 115V or 4. This completes... -
Page 17: Troubleshooting
CAUTION: For all of the electrical faults and corrections in the above table JET recommends the use of a qualified and licensed electrician for all circuit tracing, diagnosis and repair. -
Page 18: Replacement Parts
6848 Monday through Friday (see our website for business hours, www.jettools.com). Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately. 11.1.1 Model J-4200A Belt and Disc Sander Assembly – Exploded View... -
Page 19: Model J-4200A Belt And Disc Sander Assembly - Parts List
11.1.2 Model J-4200A Belt and Disc Sander Assembly – Parts List Index No Part No Description Size 1 ....J-5508427 ....Bracket......................1 2 ....5511833 ....Square Nut............... M10 ....... 1 3 ....5051081 ....Spring ......................1 4 .... - Page 20 102 .... TS-1550071 ....Flat Washer ............. M10 ....... 2 103 .... TS-1482032 ....Hex Cap Screw ............M6x16 ......4 104 .... 4200A-104J ....JET Logo Plate ....................1 105 .... 4200A-105....Label, Direction ....................2 106 .... TS-1482081 ....Hex Cap Screw ............M6x40 ......2 107 ....
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Page 21: Model J-4300A Belt Sander Assembly - Exploded View
11.2.1 Model J-4300A Belt Sander Assembly – Exploded View... -
Page 22: Model J-4300A Belt Sander Assembly - Parts List
11.2.2 Model J-4300A Belt Sander Assembly – Parts List Index No Part No Description Size 1 ....J-5508427 ....Bracket......................1 2 ....5511833 ....Square Nut............... M10 ....... 1 3 ....5051081 ....Spring ......................1 4 ....5051091 ....Sleeve ......................1 5 .... - Page 23 88 ....5508434 ....Pointer ......................1 89 ....5052271 ....Deluxe Miter Gauge ..................1 90 ....4200A-104J ....JET Logo Plate ....................1 91 ....4200A-105....Label, Direction ....................1 92 ....TS-1482081 ....Hex Cap Screw ............M6x40 ......2 93 ....
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Page 24: Model J-4400A Disc Sander Assembly - Exploded View
11.3.1 Model J-4400A Disc Sander Assembly – Exploded View... -
Page 25: Model J-4400A Disc Sander Assembly - Parts List
11.3.2 Model J-4400A Disc Sander Assembly – Parts List Index No Part No Description Size 1 ....J-5508438 ....Bearing Housing .................... 1 2 ....TS-1523011 ....Socket Set Screw ............ M6x6 ......2 3 ....5511725 ....4200 Arbor Pulley ..................1 4 .... -
Page 26: Base Assembly: Model J-4300A, 1 Phase - Exploded View
11.4.1 Base Assembly: Model J-4300A, 1 Phase – Exploded View... -
Page 27: Base Assembly: Model J-4300A, 1 Phase - Parts List
25 ....4200A-B325 ....Pan Head Screw ............M5X8......2 26 ....TS-2361041 ....Lock Washer ............M4 ......... 4 27 ....JETLOGO-1 ....JET Logo ..............2-3/4”x8”......1 28 ....TS-1533052 ....Pan Head Screw ............M5x16 ......1 29 .... -
Page 28: Base Assembly: Model J-4300A, 3 Phase - Exploded View
11.5.1 Base Assembly: Model J-4300A, 3 Phase – Exploded View... -
Page 29: Base Assembly: Model J-4300A, 3 Phase - Parts List
20 ....4200A-B321 ....Pan Head Bolt w/Flange .......... M6x12 ......3 21 ....TS-1540041 ....Hex Nut ..............M6 ......... 3 27 ....JETLOGO-1 ....JET Logo ..............2-3/4”x8”......1 28 ....TS-1533052 ....Pan Head Screw ............M5x16 ......3 29 .... -
Page 30: Base Assembly: Model J-4200A & 4400A, 1 Phase - Exploded View
11.6.1 Base Assembly: Model J-4200A & 4400A, 1 Phase – Exploded View... -
Page 31: Base Assembly: Model J-4200A & 4400A, 1 Phase - Parts List
11.6.2 Base Assembly: Model J-4200A & 4400A, 1 Phase – Parts List Index No Part No Description Size 1 ....AB605418 ....Enclosure ....................... 1 2 ....TS-1490031 ....Hex Cap Screw ............M8x20 ......7 3 ....TS-1550061 ....Flat Washer ............. M8 ......... 7 4 .... -
Page 32: Base Assembly: Model J-4200A & 4400A, 3 Phase - Exploded View
11.7.1 Base Assembly: Model J-4200A & 4400A, 3 Phase – Exploded View... -
Page 33: Base Assembly: Model J-4200A & 4400A, 3 Phase - Parts List
11.7.2 Base Assembly: Model J-4200A & 4400A, 3 Phase – Parts List Index No Part No Description Size 1 ....AB605419 ....Enclosure ....................... 1 2 ....TS-1490031 ....Hex Cap Screw ............M8x20 ......7 3 ....TS-1550061 ....Flat Washer ............. M8 ....... 13 4 .... -
Page 34: Electrical Schematic - Single Phase
12.1 Electrical schematic – single phase... -
Page 35: Electrical Schematic - 3 Phase
12.2 Electrical schematic – 3 phase... - Page 36 427 New Sanford Road LaVergne, Tennessee 37086 Phone: 800-274-6848 www.jettools.com...