Wen 20121 Instruction Manual
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Wen 20121 Instruction Manual

20v brushless hammer drill
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MODEL 20121
20V BRUSHLESS
HAMMER DRILL
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

    CONTENTS WELCOME Introduction ..................... 3 Specifications ....................3 SAFETY General Safety Rules ..................4 Hammer Drill Safety Warnings ................. 6 Electrical Information ..................7 Battery & Charger Safety Warnings ..............8 BEFORE OPERATING Unpacking & Packing List ................10 Know Your Hammer Drill ................11 OPERATION &...

  • Page 3: Welcome

    WEN customer service at 1-800-232-1195, M-F with questions. WEN plans to continue to add more items to our 20V line. For an up-to-date list of the 20V cordless tools com- patible with the included battery and charger, visit wenproducts.com and search model number 20202 (2Ah) or...

  • 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: Hammer Drill Safety Warnings

    HAMMER DRILL SAFETY WARNINGS WARNING! Do not operate the power tool until you have read and understood the following instructions and the warning labels. HAMMER DRILL SAFETY 6. Securing the Workpiece. Secure loose workpieces using vises or clamps to prevent wobble, damage to the 1.Work Environment.

  • Page 7: Electrical Information

    ELECTRICAL INFORMATION (CHARGER) DOUBLE-INSULATED CHARGER The charger’s electrical system is double-insulated where two systems of insulation are provided. This eliminates the need for the usual three-wire grounded power cord. Double-insulated tools do not need to be grounded, nor should a means for grounding be added to the product. All exposed metal parts are isolated from the internal metal components with protecting insulation.

  • Page 8: Battery & Charger Safety Warnings

    Never carry the charger by its cord or yank it by the cord battery chemicals. If the battery or charger are damaged, to disconnect it from the receptacle. Keep the cord away call WEN customer service at 1-800-232-1195 for as- from heat, oil and sharp edges. Make sure the cord will sistance.
  • Page 9 BATTERY & CHARGER SAFETY WARNINGS ABOUT THE BATTERY 1. The battery pack has to be charged completely before you use the tool for the first time. 2. For optimum battery performance, avoid low discharge cycles by charging the battery pack frequently. 3.

  • Page 10: Before Operating

    UNPACKING & PACKING LIST UNPACKING Carefully remove the hammer drill from the packaging and place it on a sturdy, flat surface. Make sure to take out all contents and accessories. Do not discard the packaging until everything is removed. Check the packing list below to make sure you have all of the parts and accessories.

  • Page 11: Know Your Hammer Drill

    TOOL PURPOSE From driving fasteners to drilling holes in wood, metal, masonry, and more, your WEN Hammer Drill has your back. Refer. Refer to the following diagrams to become familiarized with all the parts and controls of your hammer drill.

  • Page 12: Operation & Maintenance

    OPERATION WARNING! Always disconnect the battery pack from the tool before any assembly, adjustments or changing accessories. POWER TRIGGER ACTION Fig. 1 1. Turn the drill on by pressing the power trigger (Fig. 1 - 1). The trigger is pressure sensitive, meaning that pushing the trigger down farther pro- duces a higher torque and speed in comparison to pushing it lightly.
  • Page 13 OPERATION WARNING! Always disconnect the battery pack from the tool before any assembly, adjustments or changing accessories. CHUCK Fig. 5 Your drill is equipped with a single sleeve keyless chuck (Fig. 5 - 1), so you can quickly change bits with no extra tools required. To install bits, place the direction of rotation switch in the OFF position and unplug the battery from the tool.

  • Page 14: Maintenance

    MAINTENANCE WARNING! To avoid accidents, make sure the power switch is in the OFF position and remove the battery from the tool before cleaning or performing any maintenance. Servicing of the tool must be performed by a qualified technician. ROUTINE INSPECTION 1.

  • Page 15: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST NOTE: Not all parts may be available for purchase. Parts and accessories that wear down over the course of normal use are not covered under the warranty.
  • Page 16 EXPLODED VIEW & PARTS LIST Part No. Description Qty. Part No. Description Qty. Right Battery Housing Switch Spring 20202 Battery Gearbox Switch 20200C Charger Motor Gear Battery Terminal Motor & Electronics Assembly Hex Nut, M4 Left Housing Directional Adjustment Switch 49135-037 Belt Clip Right Housing...

  • Page 17: Warranty Statement

    WARRANTY STATEMENT WEN Products is committed to building tools that are dependable for years. Our warranties are consistent with this commitment and our dedication to quality. LIMITED WARRANTY OF WEN PRODUCTS FOR HOME USE GREAT LAKES TECHNOLOGIES, LLC (“Seller”) warrants to the original purchaser only, that all WEN consumer power tools will be free from defects in material or workmanship during personal use for a period of two (2) years used for professional or commercial use.
  • Page 18 NOTES...
  • Page 19 NOTES...
  • Page 20 THANKS FOR REMEMBERING V. 2021.03.22...

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