BRUSHLESS 3/8’’ IMPACT WRENCH 241-0496 OPERATOR’S MANUAL CAUTION: To Reduce The Risk Of Injury, User Must Read And Understand Operator’s Manual. Save These Instructions For Future Reference. For questions / comments, technical assistance or repair parts – Please Call Toll Free: 1-866-917-4374 (M-F 8:30am-5:00pm EST).
TABLE OF CONTENTS Safety Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2 Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3 Overview/Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY SYMBOLS Some of these following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and more safely.
SAFETY INSTRUCTIONS The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols and the explanations with them deserve your careful attention and understanding. The symbol warnings do not, by themselves, eliminate any danger. The instructions and warnings they give are not substitutes for proper accident prevention measures.
SAFETY INSTRUCTIONS General Power Tool Safety Warnings WARNING: Read all safety warnings and instructions! Failure to follow the warnings and instructions may result in electric shock, fire and / or serious injury. Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool. WORK AREA SAFETY 1. Keep the work area clean and well lit. Cluttered or dark areas invite accidents. 2.
SAFETY INSTRUCTIONS POWER TOOL USE AND CARE 1. Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. 2. Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired. 3.
SAFETY INSTRUCTIONS SPECIFIC SAFETY RULES FOR BRUSHLESS IMPACT WRENCH 1. Hold power tool by insulated gripping surfaces, when performing an operation where the cutting accessory may contact hidden wiring. Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock. 2. Use clamps or another practical way to support the workpiece and secure it to a stable platform.
OVERVIEW 3/8’’ Square Driver Direction-of-Rotation Selector (Forward/ Center-Lock/Reverse) Variable-Speed Trigger Switch LED Worklight Belt Clip SPECIFICATIONS No-load speed 0-2,500 RPM Impacts per minute 0-3,500 BPM Maximum torque Drive Tool weight Compatible batteries Battery chargers Page 7 150 ft. lbs. 3/8’’ Square 2lbs.5oz.
ASSEMBLY WARNING: If any part is broken or missing, DO NOT attempt to attach the battery pack or operate the tool until the broken or missing part is replaced. Failure to do so could result in possibly serious injury. WARNING: Do not attempt to modify this tool or create accessories not recommended for use with this tool. Any such alteration or modification is misuse and could result in a hazardous condition leading to possibly serious injury.
OPERATION TO ATTACH BATTERY PACK (FIG.1) FIG. 1 VARIABLE-SPEED TRIGGER SWITCH (FIG. 2) FIG. 2 Latch Battery-release button Directionof-rotation selector 1. 2. Lock the trigger switch on the impact wrench by placing the direction-ofrotation (forward/center-lock/reverse) selector in the center position. Align the raised ribs on the battery pack with the grooves on the bottom of the impact wrench, and then slide the impact wrench forward to attach the battery pack to the tool.
OPERATION DIRECTION-OF-ROTATION SELECTOR (FIG. 3) LED WORKLIGHT (FIG.4) FIG. 4 FIG. 3 LED worklight Forward Reverse The direction of bit rotation is reversible and is controlled by a selector located above the trigger switch. With the impact wrench held in normal operating position: 1. Position the direction-of-rotation selector to the right of the tool for reverse rotation. 2. Position the direction-of-rotation selector to the left of the tool for forward rotation. 3.
OPERATION To remove the belt clip: 1. Use a screwdriver to loosen the screw that attaches the belt clip to the impact wrench. 2. Remove the screw and the belt clip. INSTALLING AND REMOVING THE SOCKET (FIG.6) FIG. 6 INSTALLING FASTENERS NOTICE: Always keep the Impact Wrench at a right angle to the fastener to avoid damage to the fastener head. To fasten: 1. 2. 3. Start threading the fastener by hand onto or into its threaded counterpart (e.g. nut onto bolt, or bolt into nut or threaded hole).
OPERATION NOTICE: Excessive fastening torque may damage the bolt/nut or socket. Before starting your job, always perform a test operation to determine the proper fastening time for your bolt or nut. Practice with various fasteners, noting the length of time required to reach the desired torque. Check the tightness with a handtorque wrench. If the fasteners are too tight, reduce the impacting time. If they are not tight enough, increase the impacting time.
MAINTENANCE WARNING: To avoid serious personal injury, always remove the battery pack from the tool when cleaning or performing any maintenance. Contact a qualified service technician for all repairs. WARNING: When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. For more information, call the toll-free helpline, at 1-866-917-4374. WARNING: Avoid using solvents when cleaning plastic parts.
BRUSHLESS 3/8’’ IMPACT WRENCH WARRANTY 90-DAY MONEY BACK GUARANTEE: This MASTERFORCE® brand power tool carries our 90-DAY Money Back Guarantee. If you are not completely satisfied with your MASTERFORCE® brand power tool for any reason within ninety (90) days from the date of purchase, return the tool with your original receipt to any MENARDS® retail store, and we will provide you a refund – no questions asked.
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