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BRUSHLESS 1/2'' IMPACT
WRENCH
241-0347
OPERATOR'S MANUAL
CAUTION: To Reduce the Risk of Injury, User Must
Read and Understand the 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).
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Summary of Contents for MasterForce 241-0347
- Page 1 BRUSHLESS 1/2’’ IMPACT WRENCH 241-0347 OPERATOR’S MANUAL CAUTION: To Reduce the Risk of Injury, User Must Read and Understand the 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).
- Page 2 TABLE OF CONTENTS Safety Symbols ............Page 2 Safety Instructions .
- Page 3 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. Symbol Designation / Explanation Name Volts Voltage...
- Page 4 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 understand- ing. The symbol warnings do not, by themselves, eliminate any danger. The instructions and warnings they give are no substitutes for proper accident prevention measures.
- Page 5 SAFETY INSTRUCTIONS GENERAL POWER TOOL 4. Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the SAFETY WARNINGS power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or WARNING: Read all safety entangled cords increase the risk of electric warnings, instructions, illustrations and shock.
- Page 6 SAFETY INSTRUCTIONS 6. Dress properly. Do not wear loose 6. Keep cutting tools sharp and clean. clothing or jewelry. Keep your hair and Properly maintained cutting tools with sharp clothing away from moving parts. Loose cutting edges are less likely to bind and are clothes, jewelry or long hair can be caught easier to control.
- Page 7 1. To reduce the risk of electric shock 7. Follow all charging instructions and or damage to the chargers and batteries, do not charge the battery pack or tool use only with the MASTERFORCE battery ® outside the temperature range specified packs and chargers listed.
- Page 8 SAFETY INSTRUCTIONS • Your risk from these exposures varies, depending upon how often you do this type of work. To reduce your exposure to these chemicals: – Work in a well-ventilated area. – Work with approved safety equipment, such as dust masks that are specially designed filter microscopic...
- Page 9 OVERVIEW 1/2’’ Square Drive Direction-of-Rotation Selector Variable-Speed Trigger Switch LED Work Light Speed Control Panel SPECIFICATIONS Rated Voltage 20 V d.c. No-load Speed 1: 0- 850 RPM 2: 0- 1450 RPM 3: 0- 2100 RPM Impact Rate 1: 0- 800 IPM 2: 0- 1750 IPM 3: 0- 2250 IPM Max.
- Page 10 ASSEMBLY PACKING LIST WARNING: If any part is broken or missing, DO NOT attach the battery pack Cordless impact wrench, belt clip, screw, and or operate the tool until the broken or instruction manual. missing part is replaced. Failure to do so could result in possible serious injury.
- Page 11 OPERATION BELT CLIP INSTALLATION (FIG. 2) FIG. 3b 1. Align the rib of the belt clip with the hole on the base of the impact wrench. 2. Insert the screw and tighten the screw securely with a Phillips head screwdriver (not included).
- Page 12 OPERATION VARIABLE-SPEED TRIGGER Speed range 2 – the impact wrench provides medium speed and torque. SWITCH (FIG. 4) Speed range 3 – the impact wrench provides maximum speed and torque. FIG. 4 The impact wrench also features the AUTO button to turn the auto function on and off. The auto function works differently depend- ing on the direction of rotation of the wrench.
- Page 13 OPERATION IN REVERSE ROTATION ELECTRIC BRAKE 1. Attach the battery pack to the impact To stop the impact wrench, release the trig- wrench. ger switch and allow the square drive to come to a complete stop. The electric brake 2. Position direction-of-rotation helps to quickly stop the drive.
- Page 14 OPERATION OPERATING TIPS 2. To install the socket, push it onto the output drive of the tool until it locks into place. The proper fastening torque may differ 3. To remove the socket, simply pull it off. depending on the type or size of the bolt, the WARNING: Use protective gloves material of the workpiece to be fastened,...
- Page 15 OPERATION • Technique NOTICE: Excessive fastening torque may damage the bolt/nut or socket. The manner of holding the tool or the Before starting your job, always perform material to be fastened will affect the torque. a test operation to determine the proper NOTICE: Hold the tool straight along the tightening time for your bolt or nut.
- Page 16 NOTES Page 15...
- Page 17 NOTES Page 16...
- Page 18 NOTES Page 17...
- Page 19 1/2” Impact Wrench...
- Page 20 © 2023 Menard, Inc., Eau Claire, WI 54703 08/2023...
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