Wen 3970 Instruction Manual
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Wen 3970 Instruction Manual

4 x 6-inch metal bandsaw
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4 X 6-INCH
METAL BANDSAW
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
1-800-232-1195 (M-F 8AM-5PM CST)
TECHSUPPORT@WENPRODUCTS.COM
IMPORTANT: Your new tool has been engineered and manufactured to WEN's highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged,
trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use
your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
WENPRODUCTS.COM
For replacement parts and the most up-to-date instruction manuals, visit

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  • Page 1 1-800-232-1195 (M-F 8AM-5PM CST) TECHSUPPORT@WENPRODUCTS.COM IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.

  • Page 2: Table Of Contents

    Assembly & Adjustments ................11 OPERATION & MAINTENANCE Operation ....................... 15 Maintenance ....................16 Troubleshooting Guide ................... 18 Exploded View & Parts List ................20 Warranty Statement ..................24 WENPRODUCTS.COM To purchase accessories for your tool, visit Replacement Blades (Part No. 3970-044)

  • Page 3: Welcome

    INTRODUCTION Thanks for purchasing the WEN Metal Bandsaw. We know you are excited to put your tool to work, but first, please take a moment to read through the manual. Safe operation of this tool requires that you read and understand this operator’s manual and all the labels affixed to the tool.

  • Page 4: Safety

    GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
  • Page 5 GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

  • Page 6: Specific Rules For Your Metal Bandsaw

    SPECIFIC RULES FOR YOUR METAL BANDSAW WARNING! Do not operate the power tool until you have read and understood the following instructions and the warning labels. SAW BLADE SAFETY 3. People with pacemakers should consult their physician(s) before use. Electromagnetic fields in close 1.
  • Page 7 SPECIFIC RULES FOR YOUR METAL BANDSAW WARNING! Do not operate the power tool until you have read and understood the following instructions and the warning labels. 2. Ensure that work is correctly supported. Supports 6. Do not use the Metal Bandsaw unless all guards are must be placed under the workpiece on both sides, in place.

  • Page 8: Electrical Information

    ELECTRICAL INFORMATION GROUNDING INSTRUCTIONS In the event of a malfunction or breakdown, grounding provides the path of least resistance for an electric current and reduces the risk of electric shock. This tool is equipped with an electric cord that has an equipment grounding conductor and a grounding plug.

  • Page 9: Before Operating

    UNPACKING & TRANSPORTATION WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Failure to follow the safety instructions may result in serious personal injury. UNPACKING With the help of a friend or trustworthy foe, carefully remove the Metal Bandsaw from the packaging. Make sure to take out all contents and accessories.

  • Page 10: Know Your Metal Bandsaw

    KNOW YOUR METAL BANDSAW TOOL PURPOSE Metal Bandsaws are used to cut flat and round pieces of metal. Refer to the following diagrams to become familiar- ized with all the parts and controls of your Metal Bandsaw. The components will be referred to later in the manual for assembly and operation instructions.

  • Page 11: Assembly & Adjustments

    ASSEMBLY & ADJUSTMENTS WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Read through and become familiarized with the following procedures of handling and adjusting your tool. Failure to follow the safety instructions may result in serious personal injury. ASSEMBLING THE STAND Fig.
  • Page 12 ASSEMBLY & ADJUSTMENTS ASSEMBLING THE STAND (CONTINUED) Fig. 6 8. Locate the holes on the legs opposite the wheels. Insert the transportation handle into the holes and secure it with the cotter pins (Fig. 6). 9. Remove the screws and washers from where the belt housing needs to be mounted.
  • Page 13 ASSEMBLY & ADJUSTMENTS WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Read through and become familiarized with the following procedures of handling and adjusting your tool. Failure to follow the safety instructions may result in serious personal injury. ADJUSTING THE VISE Fig.
  • Page 14 ASSEMBLY & ADJUSTMENTS Fig. 16 WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Read through and become familiarized with the following procedures of handling and adjusting your tool. Failure to follow the safety instructions may result in serious personal injury.

  • Page 15: Operation & Maintenance

    OPERATION WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Read through and become familiarized with the following procedures of handling and adjusting your tool. Failure to follow the safety instructions may result in serious personal injury. HORIZONTAL CUTTING (FIG.

  • Page 16: Maintenance

    WARNING! Any attempt to repair or replace electrical parts on this tool may be hazardous. Servicing of the tool must be performed by a qualified technician. When servicing, use only identical WEN replacement parts. Use of other parts may be hazardous or induce product failure.
  • Page 17 MAINTENANCE CHANGING THE SAW BLADE Fig. 24 1. Use the head locking pin to lock the saw in the vertical posi- tion. Remove the blade cover screw and loosen the blade cover lock knob. See Fig. 24. Open the blade cover. Screw Lock Knob...

  • Page 18: Troubleshooting Guide

    TROUBLESHOOTING GUIDE WARNING! Stop using the tool immediately if any of the following problems occur. Repairs and replacements should only be performed by an authorized technician. For any questions, please contact our customer service at (800) 232-1195, M-F 8-5 CST or email us at techsupport@wenproducts.com. PROBLEM POSSIBLE CAUSE SOLUTION...
  • Page 19 TROUBLESHOOTING GUIDE WARNING! Stop using the tool immediately if any of the following problems occur. Repairs and replacements should only be performed by an authorized technician. For any questions, please contact our customer service at (800) 232-1195, M-F 8-5 CST or email us at techsupport@wenproducts.com. PROBLEM POSSIBLE CAUSE SOLUTION...

  • Page 20: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST...
  • Page 21 EXPLODED VIEW & PARTS LIST Part No. Description Qty. Part No. Description Qty. 3970-001 Worm Gear Pulley 3970-038 Ball Bearing 3970-002 Set Screw 3970-039 Retaining Ring 3970-003 Pan Head Screw 3970-040 Rear Blade Wheel 3970-004 Flat Washer 3970-041 Flat Washer...
  • Page 22 EXPLODED VIEW & PARTS LIST Part No. Description Qty. Part No. Description Qty. 3970-075 Lock Washer 3970-109 Shaft 3970-076 Flat Washer 3970-110 Ball Bearing 3970-077 Hex Head Bolt 3970-111 Retaining Ring 3970-078 Hex Head Bolt 3970-112 Rear Blade Guard 3970-079...
  • Page 23 EXPLODED VIEW & PARTS LIST Part No. Description Qty. Part No. Description Qty. 3970-146 Flat Washer 3970-182 Screw Support Block 3970-147 Vise Jaw 3970-183 Flat Washer 3970-148 Hex Head Bolt 3970-184 Lock Washer 3970-149 Flat Washer 3970-185 Hex Head Bolt...

  • Page 24: Warranty Statement

    (2) years from date of purchase or 500 hours of use; whichever comes first. Ninety days for all WEN products if the tool is used for pro- fessional or commercial use.

This manual is also suitable for:

3970t

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