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Wen 3975 Manual
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Wen 3975 Manual

5-inch portable metal band saw
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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 intended purpose, you will enjoy years of safe,
reliable service.
5-INCH PORTABLE
METAL BAND SAW
IMPORTANT:
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
800-232-1195
techsupport@wenproducts.com
WENPRODUCTS.COM
Model # 3975
bit.ly/wenvideo
(M-F 8AM-5PM CST)

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Summary of Contents for Wen 3975

  • Page 1 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.
  • Page 2 Operation Maintenance Troubleshooting Exploded View & Parts List Warranty TECHNICAL DATA Model Number: 3975 Motor: 120 V, 60 Hz, 4.5A, 400W (S6 40%) Saw Blade: 56-1/2 x 1/2 in. Cutting Capacity for Square Material: 5 x 4-7/8 in. (90°) 3-1/8 x 3-15/16 in. (45°) Cutting Capacity for Circular Material: 5 in.

  • Page 3: Switch

    GENERAL SAFETY RULES Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFE- TY INSTRUCTIONS. WARNING: To avoid mistakes and serious injury, do not plug in your tool until the following steps have been read and understood. 1.

  • Page 4: Blade

    GENERAL SAFETY RULES 15. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled foot- wear. Keep the floor clear of oil, scrap, and other debris. 16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instruc- tions for lubricating and changing accessories.
  • Page 5 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 6: Lock Handle

    KNOW YOUR BAND SAW Blade Tension Adjustment Knob Run Switch Vise Adjustment Rubber Feet Work Stop Angle Adjustment Lock Locking Pin Variable Speed Adjustment Knob Power Switch Blade Guide Lock ASSEMBLY UNPACKING Carefully unpack the band saw and all its parts, and compare against the list below. Do not discard the carton or any packaging until the band saw is completely assembled.
  • Page 7 ASSEMBLY ASSEMBLY AND INSTALLATION 1. Attach the four feet (Fig. B - 1) along each respective corner of the base. 2. Place the machine onto a work bench and secure it in place by using the three holes provided in the base (Fig. A). 3.

  • Page 8: Swivel Support

    ADJUSTMENTS CUTTING ANGLE ADJUSTMENT This band saw cuts angles anywhere from 0 to 60 degrees. To make an adjustment to the cutting angle: 1. Loosen the angle lock handle (Fig. D - 1). 2. Turn the swivel support (Fig. D - 2) until the mark on the support matches the desired angle on the scale.
  • Page 9 OPERATION Fig. G Fig. H Fig. I 1. Pull out the pin (Fig. G - 1) from the hole in the saw’s body and tilt the saw to its upper position. 2. Use the vise to secure the workpiece in place (Fig. H - 1). Adjust the cut- ting speed to the desired rate.

  • Page 10: Screw

    MAINTENANCE WARNING: Turn off the machine and disconnect the power supply before conducting any maintenance work or adjusting any settings. CHANGING THE SAW BLADE 1. Remove the protective casing by unscrewing the six screws shown in Fig. K. 2. Loosen the blade tension by turning the blade tension adjustment knob counterclockwise (Fig.
  • Page 11 TROUBLESHOOTING PROBLEM CAUSE SOLUTION The motor does not work. 1. Defective motor, power cable 1. Specialized personnel should or plug. check the machine. 2. Safety cover is open; interlock 2. Close the safety cover. switch does not work. Overload circuit tripped 1.
  • Page 12 EXPLODED VIEW AND PARTS LIST...

  • Page 13: Table Of Contents

    123 3975-123 Vise jaw 28 3975-028 Ball bearing 76 3975-076 Flat washer 124 3975-124 Sliding case 29 3975-029 Retaining ring 77 3975-077 Rear blade guide block 125 3975-125 Retaining ring 30 3975-030 43T Gear 78 3975-078 Ball bearing 126 3975-126 Screw...
  • Page 14 LIMITED TWO YEAR WARRANTY WEN Products is committed to build tools that are dependable for years. Our warranties are consistent with this commitment and our dedication to quality. LIMITED WARRANTY OF WEN CONSUMER POWER TOOLS PRODUCTS FOR HOME USE GREAT LAKES TECHNOLOGIES, LLC (“Seller”) warrants to the original purchaser only, that all WEN con- sumer power tools will be free from defects in material or workmanship for a period of two (2) years from date of purchase.