20V Lithium-Ion Impact Wrench 241-0415 OPERATOR’S MANUAL CAUTION: To Reduce The Risk Of Injury, User Must Read And Understand Operator’s Manual. Save These Instructions For Future Reference.
table of contents Safety Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2 Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3 Overview / Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 no substitutes for proper accident prevention measures.
safety INSTRUCTIONS 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. WARNING: Risk of fire and electric shock. Dry location use only. Do not expose to rain. Risk of injury. Work area safety 1.
safety INSTRUCTIONS Personal safety 1. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use the tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury. 2. Use personal protective equipment. Always wear eye protection.
safety INSTRUCTIONS BATTERY TOOL USE AND CARE 1. Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack. 2. Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire. 3.
safety INSTRUCTIONS 12. Be prepared for a reaction torque when “seating” or removing a fastener. The tool housing may tend to twist in the opposite direction of bit rotation when “seating” or removing a fastener, depending on the torque setting of the tool. 13. Do not use dull or damaged impact sockets and accessories. When installing an accessory, insert the impact socket well onto the output drive. Be sure that the output drive has locked onto the socket correctly. 14.
overview Vents 1/2" Square Driver Direction of Rotation Selector Variable Speed Trigger Switch LED Worklight Battery-Pack Release Battery Power Indicator specifications Motor 20 Volt DC Switch VSR (Variable Speed Reversible) No Load Speed 0 - 1900 RPM Impacts per minute 0 - 2100 BPM Max Torque 300 ft. lbs.
assembly WARNING: If any part is broken or missing, do not attempt to plug in the power cord or operate the Impact wrench until the broken or missing part is replaced. Failure to do so could result in possible serious injury. WARNING: Do not attempt to modify this impact wrench 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) 1. Lock the trigger switch on the impact wrench by placing the direction of rotation (forward/center-lock/reverse) selector in center position. 2. Align the raised rib on the battery pack with the grooves of the wrench, and then attach the battery pack to the wrench. FIG. 1 WARNING: Battery tools are always in operating condition. Therefore, the direction-of-rotation selector should Battery tools are always in operating condition.
Operation TRIGGER SWITCH (Fig. 2) FIG. 3 To turn the Impact Wrench ON, depress the trigger switch. To turn it OFF, release the trigger switch. VARIABLE SPEED (Fig. 2) FORWARD REVERSE The variable-speed trigger switch delivers higher speed with increased trigger pressure and lower speed with decreased trigger pressure. FIG. 2 NOTICE: To prevent gear damage, always allow the Impact Wrench to come to a complete stop before changing the direction of rotation.
Operation INSTALLING AND REMOVING SOCKET (Fig. 5) 1. Lock the trigger switch by placing the direction-of-rotation Selector in the OFF (center) position. 2. To install a 1/2" socket, simply push it completely onto the output drive. To remove, pull it off the output drive. FIG. 5 WARNING: Only use sockets designed for impact wrenches. Sockets not designed for impact wrenches could break and result in user injury. Inspect sockets prior to use to ensure that they have no cracks or other visible damage.
maintenance WARNING: To avoid serious personal injury, always remove the battery pack from the tool when cleaning or performing any maintenance. Never disassemble the power source, battery pack or charger. Contact a qualified service technician for ALL repairs. WARNING: Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc.
20-Volt Lithium-ion 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.
© 2011 Menard, Inc.
