MasterCraft 099-9059-4 Owner's Manual
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MasterCraft 099-9059-4 Owner's Manual

1/2" impact wrench
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Motor:
Speed:
Impact speed:
Torque:
Square drive:
Weight:
TOLL FREE HELPLINE 1-800-689-9928
Imported by Mastercraft Canada Toronto, Canada M4S 2B8
1/2" IMPACT WRENCH

PRODUCT SPECIFICATIONS

120 V AC, 60 Hz, 3.5 A
0–3200 RPM (no load)
0–3200 BPM
220 ft/lbs
1/2"
4 lb 7 oz (2.0 kg)
099-9059-4
Owner's Manual

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Summary of Contents for MasterCraft 099-9059-4

  • Page 1: Product Specifications

    120 V AC, 60 Hz, 3.5 A Speed: 0–3200 RPM (no load) Impact speed: 0–3200 BPM Torque: 220 ft/lbs Square drive: 1/2” Weight: 4 lb 7 oz (2.0 kg) TOLL FREE HELPLINE 1-800-689-9928 Imported by Mastercraft Canada Toronto, Canada M4S 2B8...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Product specifications ………….……………………………………………………. Table of contents ……………………………………………………………………... General safety warnings …………………………………………………………….. 3–4 Eye, ear & lung protection …………………………………………………………… 3–4 Electrical safety ………………………………………………………………………. Power tool safety ……………………………………………………………………... 5–6 General safety rules ………………………………………………………………….. Work area ………………………………………………………………….………….. Electrical safety ………………………………………………………………………. Personal safety ………………………………………………………………………..

  • Page 3: General Safety Warnings

    GENERAL SAFETY WARNINGS CAUTION: Before using this tool or any of its accessories, read this manual and follow all Safety Rules and Operating Instructions. This instruction manual includes the following:  General Safety Rules  Specific Safety Rules and Symbols ...

  • Page 4: Electrical Safety

    GENERAL SAFETY WARNINGS WEAR A DUST MASK THAT IS DESIGNED TO BE USED WHEN OPERATING A POWER TOOL IN A DUSTY ENVIRONMENT. WARNING: Dust that is created by power sanding, sawing, grinding, drilling, and other construction activities may contain chemicals that are known to cause cancer, birth defects.

  • Page 5: Power Tool Safety

    POWER TOOL SAFETY GENERAL SAFETY RULES Avoid contact between the operator's body and grounded surfaces such as pipes, WARNING: Read and understand radiators, ranges, and refrigerators. There all instructions. Failure to follow all is an increased risk of electric shock if the instructions listed below may result in operator's body is grounded.

  • Page 6: Use And Care Of Power Tools

    POWER TOOL SAFETY PERSONAL SAFETY – cont’d Disconnect the plug from the outlet before making any adjustments, changing accessories, or storing the tool. Such Avoid accidental start-ups. Verify that the preventive safety measures reduce the risk switch is in the OFF position before of accidental start-ups.

  • Page 7: Specific Safety Rules

    SPECIFIC SAFETY RULES WARNING: Know your impact Never use the impact wrench as a torque wrench. Read the Owner’s Manual wrench. Always use a torque wrench to carefully. Learn the tool’s applications adjust the fastener to the specified torque. and limitations, as well as the specific potential hazards related to this tool.

  • Page 8: Extension Cord Safety

    EXTENSION CORD SAFETY WARNING: Keep the extension MINIMUM GAUGE (AWG) cord clear of the work area. Position the EXTENSION CORDS (120 V use only) cord so that it will not get caught on the Amperage workpiece, a tool, or any other obstruction rating Total length while the power tool is in use.

  • Page 9: Symbols

    SYMBOLS WARNING: Some of the following symbols may appear on the impact wrench. Study these symbols and learn their meaning. Proper interpretation of these symbols will allow for more efficient and safer operation of this tool. Volts Direct current Amperes No load speed Hertz Alternating or direct...

  • Page 10: Know Your Impact Wrench

    ACCESSORIES & CARTON CONTENTS KNOW YOUR IMPACT WRENCH Air vents Air vents ½” square drive Forward/reverse button Handle Variable speed trigger switch ACCESSORIES AVAILABLE ACCESSORIES Before using any accessory, carefully read the instructions or the owner’s manual for WARNING: Use only accessories the accessory.

  • Page 11: Contents

    CONTENTS CONTENTS Carefully unpack the impact wrench. Compare against the “IMPACT WRENCH COMPONENTS” chart below. NOTE: See illustration of impact wrench at right. WARNING: To avoid fire or toxic reaction, never use gasoline, naphtha, acetone, lacquer thinner or similar highly volatile solvents to clean the tool.

  • Page 12: Assembly And Operation

    ASSEMBLY AND OPERATION INSTALLING IMPACT SOCKETS WARNING: Use only impact sockets and accessories that are designed for use with an impact wrench. Do not use chrome plated sockets and accessories. Chrome plated sockets and accessories are designed for hand use only and MUST NOT be used with an impact wrench.

  • Page 13: Variable Speed Trigger Switch

    ASSEMBLY AND OPERATION FORWARD/REVERSE BUTTON – cont’d NOTE: Never press the forward/reverse button while the tool it turned ON. Damage to the tool will result. VARIABLE SPEED TRIGGER SWITCH This impact wrench is equipped with a variable-speed ON/OFF trigger switch. To start impact wrench, gently squeeze the trigger switch (2) (Fig.

  • Page 14: Removing Fasteners

    ASSEMBLY AND OPERATION WARNING For safety reasons, the operator must read the sections of this Owner’s Manual entitled “GENERAL SAFETY WARNINGS”, “POWER TOOL SAFETY”, “SPECIFIC SAFETY RULES”, “EXTENSION CORD SAFETY” and “SYMBOLS” before using this impact wrench. Verify the following every time the impact wrench is used: Safety glasses and hearing protection are being worn.

  • Page 15: Assembly And Operation

    ASSEMBLY AND OPERATION REMOVING FASTENERS – cont’d Install the correct size of impact socket on the impact wrench as outlined in Fig. 1 Set the forward/reverse button to the RIGHT for removing fasteners (Fig. 2). Plug the impact wrench power cord into an appropriate power source.

  • Page 16: Maintenance

    MAINTENANCE GENERAL WARNING: When servicing, use only identical replacement parts. Use of any other part may create a hazard or cause product damage. DO NOT use solvents when cleaning plastic parts. Plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use.

  • Page 17: Exploded View

    EXPLODED VIEW...

  • Page 18: Parts List

    PARTS LIST ® WARNING: When servicing, use only Mastercraft replacement parts. The use of any other parts may create a safety hazard or cause damage to the impact wrench. Any attempt to repair or replace electrical parts on this impact wrench may create a safety hazard unless repairs are performed by a qualified technician.
  • Page 19 PARTS LIST Key # Part # Part Name Quantity 1010180009 Rotor 3150140006 Carbon brush cap 3150060015 Brush holder 1230010030 Carbon brush 2030070027 Brush holder support 4010010053 607-2RS bearing 1020180008 Stator 3022280004 Enclosure 3120030017 Direction setting button 1061010002 Switch 4030010106 ST3.9X19 4030010098 ST3.9X13 3140010004...

  • Page 20: Warranty

    3-Year Limited Warranty This Mastercraft product is guaranteed for a period of 3 years from the date of original retail purchase against defects in workmanship and materials, except for the following components: Component A: Batteries, chargers and carrying cases, which are guaranteed for a period of 2 years from the date of original retail purchase against defects in workmanship and materials;...

  • Page 21: Warranty

    Mastercraft is a superior line of products selected for their workmanship and materials. These products are designed to meet rigorous quality and performance standards, and are approved by our Quality Assurance laboratory.

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