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Master-force 241-0431 Operator's Manual

18.0-volt lithium-ion reciprocating saw
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Operator's Manual
18.0-Volt Lithium-ion Reciprocating Saw
Model No. 241-0431
IMPORTANT :
WARNING!
Safety symbols in this manual are used to flag possible dangers. The safety
symbols and their explanations require the operator's full understanding. The
safety warnings do not, by themselves, eliminate any danger and they are not
a substitute for proper accident prevention measures.
This Safety Alert Symbol indicates caution, warning, or danger. Failure to
obey a safety warning can result in serious injury to yourself or others. To reduce
the risk of injury, fire, or electric shock, always follow the safety precautions.
To reduce the risk of injury, user must read instruction manual.
CHARGE BATTERY
BEFORE FIRST USE

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Summary of Contents for Master-force 241-0431

  • Page 1 Operator’s Manual 18.0-Volt Lithium-ion Reciprocating Saw Model No. 241-0431 CHARGE BATTERY BEFORE FIRST USE IMPORTANT : WARNING! To reduce the risk of injury, user must read instruction manual. Safety symbols in this manual are used to flag possible dangers. The safety symbols and their explanations require the operator’s full understanding.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety Symbols ....................Page 3 Safety Instructions..................Page 5 Description ...................... Page 10 Assembly ......................Page 11 Operation ......................Page 12 Maintenance....................Page 17 Troubleshooting ....................Page 18 Warranty ......................Page 19 INTRODUCTION SAVE THESE INSTRUCTIONS! This saw has many features for making its use more pleasant and enjoyable. Safety, performance, and dependability have been given top priority in the design of this product, making it easy to maintain and operate.

  • Page 3: Safety Symbols

    SAFETY SYMBOLS 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 warning they give are no substitutes for proper accident prevention measures.
  • Page 4 SAVE THESE INSTRUCTIONS 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. Volts Voltage Amperes Current Hertz Frequency (cycles per second)

  • Page 5: Safety Instructions

    SAFETY INSTRUCTIONS GENRAL SAFETY RULES 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.
  • Page 6 PERSONAL SAFETY Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use 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. Use personal protective equipment.
  • Page 7 keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. Use the power tool, accessories, bits, etc. in accordance with these instructions, taking into account the working conditions and the work to be performed.
  • Page 8 know your power tool. Read the operator’s manual carefully. Learn the applications and limitations, as well as the specific potential hazards related to this tool. Following this rule will reduce the risk of electric shock, fire, or serious injury. Protect your lungs. Wear a face or dust mask if the operation is dusty. Following this rule will reduce the risk of serious personal injury.
  • Page 9 Do not touch the blade or the workpiece immediately after the sawing operation. They may be extremely hot and could burn your skin. Do not reach underneath the workpiece. The proximity of the blade to your hand is hidden from your sight.

  • Page 10: Description

    DESCRIPTION kNOW YOUR RECIPROCATING SAW (Fig. 1) Before attempting to use this reciprocating saw, familiarize yourself with all of its operating features and safety requirements. Fig. 1 Lock-off button Tool-less blade-clamp lever Saw blade Variable-speed trigger switch LED worklight Shoe assembly PRODUCT SPECIFICATIONS Motor 18V DC...

  • Page 11: Assembly

    LED WORkLIGHT LED worklight illuminates the cutting area. ELECTRIC BRAkE To stop the reciprocating saw, release the trigger switch and allow the tool to come to a complete stop. The electric brake quickly stops the blade action. This feature engages automatically when you release the trigger switch. ASSEMBLY WARNING! If any part is broken or missing, do not attempt to plug in the power cord, attach the battery, or operate the saw until the broken or missing...

  • Page 12: Operation

    OPERATION TO ATTACH BATTERY PACk (Fig. 2) Fig. 2 CAUTION: When placing the bat- tery pack on the tool, be sure that the raised rib on the battery pack aligns with the groove on the saw and the latches snap into place properly. Im- proper assembly of the battery pack ATTACH can cause damage to internal com-...
  • Page 13 BLADE SELECTION Fig. 4 In order to obtain the best performance from the saw, it is important to select the correct blade for the particular application and type of material to be cut. Blades with fewer teeth, such as those with 10 teeth per inch (TPI), are typically used for cutting wood, while blades with more teeth are LED worklight...
  • Page 14 GENERAL CUTTING (Fig. 6a and 6b) WARNING! Before attaching Fig. 6a the battery pack on the tool, always check to determine that the switch performs properly and returns to the “OFF” position when released. WARNING! Hold the tool only by the plastic handle and the insulated grip area to help prevent electrical shock.
  • Page 15 WARNING! Do not allow fa- Fig. 7 miliarity with the saw to make you careless. One careless fraction of asecond is enough to inflict serious injury. NOTE: Cutting speeds should vary with the workpiece. Hard materials, such as metals, require lower speeds;...
  • Page 16 METAL CUTTING The saw can be used to cut metals, such as sheet steel, pipe, steel rods, aluminum, brass, and copper. Be careful not to twist or bend the saw blade. Do not force. The use of cutting oil is recommended when cutting soft metals and steel. Cutting oil will keep the blade cool, increase cutting action, and prolong blade life.

  • Page 17: Maintenance

    MAINTENANCE GENERAL MAINTENANCE WARNING! For your safety, always turn off switch and remove battery pack before performing any maintenance or cleaning. The tool may be cleaned most effectively with compressed dry air. Always wear safety goggles when cleaning tools with compressed air. WARNING! When servicing, use only identical MASTERFORCE replacement parts.

  • Page 18: Troubleshooting

    TROUBLE SHOOTING PROBLEM CAUSE SOLUTION The saw does not work No battery pack Attach a battery pack attached Battery pack is Charge the battery pack exhausted Blade cannot be Saw dust in the slot Clean the clamp slot removed with brush Cutting is difficult.

  • Page 19: Warranty

    WARRANTY 3-MONTH MONEY BACk GUARANTEE: This MASTERFORCE™ brand power tool carries our 3-Month Money Back Guarantee. If you are not completely satisfied with your MASTERFORCE™ brand power tool for any reason within three (3) months from the date of purchase, return the tool with your original receipt to any retail store, and we will provide you a refund –...