/2" Impact Wrench 241-0426 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 8am – 6pm 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 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. Do not use in rainy or wet conditions. Use in dry locationd only. WORK AREA SAFETY 1.
SAFETY INSTRUCTIONS 6. Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts. 7. If devices are provided for the connection of dust extraction and collection facilities, ensure that these are connected and properly used. Use of these devices can reduce dust-related hazards. USE AND CARE OF THE POWER TOOLS 1. Do not force the power tool.
SAFETY INSTRUCTIONS SPECIFIC SAFETY RULES FOR IMPACT WRENCH 1. Use only the batteries and chargers listed below. Battery pack Charger 252-8024 252-8028 252-8029 252-8025 252-8030 252-8036 252-8031 252-8037 252-8032 252-8044 252-8033 252-8034 2. Hold power tools by their insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator. 3.
SAFETY INSTRUCTIONS DANGER: People with electronic devices, such as pacemakers, should consult their physician(s) before using this product. Operation of electrical equipment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker. WARNING: Some dust created by power sanding, sawing, grinding, drilling and other construction activities contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.
ASSEMBLY CONTENTS Impact wrench, 2 screwdriver bits, 1/2" to 3/8" socket reducer, 1/4" hex adaptor and instruction manual UNPACKING 1. 2. Carefully remove the tool and any accessories from the box. Make sure that all items listed in the contents are included. 3. Inspect the tool carefully to make sure that no breakage or damage occurred during shipping. 4. Do not discard the packing material until you have carefully inspected and satisfactorily operated the tool.
OPERATION TRIGGER SWITCH (FIG. 3) FIG. 3 DIRECTION-OF-ROTATION SELECTOR (FORWARD/CENTERLOCK/REVERSE) (FIG. 4) FIG. 4 Directionof-Rotation Selector Variable Speed Trigger Switch Forward Reverse To turn the Impact Wrench ON, depress the trigger switch. To turn it OFF, release the trigger switch. VARIABLE SPEED (FIG. 3) The variable-speed trigger switch delivers higher speed with increased trigger pressure and lower speed with decreased trigger pressure.
OPERATION LED WORKLIGHT (FIG. 5) FIG. 5 LED Worklight REMOVING THE BELT CLIP 1. Use a screwdriver to loosen the screw that attaches the belt clip to the wrench. 2. Remove the screw and the belt clip. BIT STORAGE (FIG. 7) FIG. 7 The LED worklight, located on the base of the Impact Wrench, will illuminate when the trigger switch is depressed. This provides additional light on the surface of the workpiece for operation in lower-light areas.
OPERATION INSTALLING AND REMOVING THE SOCKET (FIG.8) 3. FIG. 8 Place the direction-of-rotation selector in the FORWARD position. Hold the tool firmly while depressing the trigger switch. The impact socket will turn the fastener and impacting will begin once the fastener encounters resistance. WARNING: Do not over-tighten, as the force of the Impact Wrench can break the fastener. To loosen: Always use the correct size socket for bolts and nuts.
OPERATION 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. • Technique The manner of holding the tool or the material to be fastened will affect the torque. INSTALLING OR REMOVING BITS (FIG.9) Hold the tool firmly, and place the socket over the bolt or nut.
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.
1/2" 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.
© 2014 Menard, Inc.
