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master mechanic 176578 Owner's Manual

20 volt li-ion impact driver
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IMPACT DRIVER
Speed:
Impact speed:
Torque:
Hex drive:
Weight:
BATTERY & CHARGER
Battery voltage:
Charger:
Will charge battery types:
Charger input:
Charger output:
Replacement battery:
Need Assistance?
Call us on our toll free customer support line:
1-866-349-8665 Monday – Friday from 9am to 5pm Eastern Standard Time
Technical questions
Replacement parts
Parts missing from package
Manufactured For and Distributed By
®
True Value
Company, Chicago, IL
©2014 True Value Company
Made in China
20 VOLT LI-ION IMPACT DRIVER

PRODUCT SPECIFICATIONS

0–3,000 RPM (no load)
0–3,500 BPM
1,400 in/lbs
1/4" Quick release
2 lb 10 oz (1.19 kg) without battery
20V Li-ion (Maximum charged battery
voltage, measured without load, is 20V
with a nominal value of 18V)
18V Ni-Cad
1 Hour, Class 2
20V Li-ion #153928
18V Ni-Cad #134458
120V AC, 60 Hz, 60W
18V DC, 2 AMP for Ni-Cad batteries
20V DC, 2 AMP for Li-ion batteries
20V Li-ion #178598
176578
Owner's Manual

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  • Page 1: Product Specifications

    20 VOLT LI-ION IMPACT DRIVER 176578 Owner’s Manual PRODUCT SPECIFICATIONS IMPACT DRIVER Speed: 0–3,000 RPM (no load) Impact speed: 0–3,500 BPM Torque: 1,400 in/lbs Hex drive: 1/4" Quick release Weight: 2 lb 10 oz (1.19 kg) without battery BATTERY & CHARGER...

  • Page 2: Table Of Contents

    CALIFORNIA PROP 65 WARNING 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 and birth defects or other reproductive harm. Some examples of these chemicals are: ...

  • Page 3: General Safety Warnings

    GENERAL SAFETY WARNINGS READ AND UNDERSTAND ALL SAFETY AND OPERATIONAL INSTRUCTIONS. Failure to follow the safety rules listed below and other basic safety precautions may result in serious personal injury . KEEP THIS MANUAL, SALES RECEIPTS AND APPLICABLE WARRANTY FORMS FOR FUTURE REFERENCE.

  • Page 4: Eye, Ear, & Lung Protection

    GENERAL SAFETY WARNINGS ALWAYS WEAR EYE PROTECTION THAT CONFORMS WITH CSA REQUIREMENTS or ANSI SAFETY STANDARD Z87.1 FLYING DEBRIS can cause permanent eye damage. Prescription eyeglasses ARE NOT a replacement for proper eye protection. Non-compliant eyewear can cause serious injury if broken during the operation of a power tool.

  • Page 5: Electrical Safety

    POWER TOOL SAFETY WARNING: Ventilation openings in batteries and chargers must always be open to allow cooling air to circulate freely. Air vents that are blocked, restricted or covered may result in the battery or charger overheating. Overheating may lead to damage to the tool or cause a fire, resulting in possible serious injury.

  • Page 6: Power Tools Use And Care

    POWER TOOL SAFETY Remove any adjusting key or wrench before Maintain power tools. Check for turning the power tool on. A wrench or a key misalignment or binding of moving parts, breakage of parts and any other condition left attached to a rotating part of the power tool that may affect the power tool’s operation.

  • Page 7: Specific Safety Rules

    SPECIFIC SAFETY RULES WARNING: Before each use, check the impact sockets and This product contains accessories for excessive wear or cracks. Worn chemicals known to the State of California to or damaged sockets or accessories may shatter cause cancer and birth defects or other and possibly cause serious injury.

  • Page 8: Battery & Charger Safety

    BATTERY & CHARGER SAFETY Do not use an extension cord. Plug the charger WARNING: Only use the diagnostic cord directly into an electrical outlet. charger supplied with this kit to charge a 20V Li-ion #153928 battery or an 18V Ni-Cd Use the charger only in a standard #134458 battery.

  • Page 9: Symbols

    SYMBOLS WARNING: Some of the following symbols may appear on the impact driver. 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 Driver

    KNOW YOUR IMPACT DRIVER Quick release hex drive Air vents LED worklight Forward / Variable speed reverse switch trigger switch Single ended screwdriver bits Battery release button Battery #178598 Battery charger Air vents Green Air vents...

  • Page 11: Assembly And Operating

    ASSEMBLY AND OPERATING CHARGING THE BATTERY PACK Place the battery charger (1) in a dry location near a 110–120V 60 Hz electrical outlet (Fig. 1). Turn the battery (2) upside down and slide it onto the charger. NOTE: Make sure the grooves (3) in the sides of the battery slide over the matching tabs on the charger (4) until the battery latch “clicks”...
  • Page 12 ASSEMBLY AND OPERATING INSTALLING THE BATTERY PACK IN THE INSTALLING SCREWDRIVER BITS IMPACT DRIVER WARNING: Use only screwdriver bits, Remove the discharged battery pack (1) sockets and accessories that are designed from the tool by pressing the battery for use with an impact driver. Do not use release button (2) on the rear of the battery chrome plated sockets and accessories.

  • Page 13: Forward/Reverse Switch

    ASSEMBLY AND OPERATING FORWARD/REVERSE SWITCH This impact driver is equipped with a forward/reverse button (1) (Fig. 7). To operate the impact driver in the forward direction, press the forward/reverse button to the LEFT for driving screws or tightening Fig. 8 nuts.

  • Page 14: Preparing Screw Holes

    ASSEMBLY AND OPERATING Enlarge the hole (1) in the outer piece (2) so it is the same size as the smooth portion of the screw shank (Fig. 11). If using a flat head screw, counter-sink the hole (4) so the head of the screw will be flush with the surface when fully driven into place.

  • Page 15: Installing Nut Drivers For 3/16" To 3/8" Nuts

    ASSEMBLY AND OPERATING DRIVING SCREWS – cont’d This impact driver may be used with nut drivers and impact sockets. Although these While holding the screwdriver firmly against accessories are NOT included with this tool, the screw with both hands and the bit they may be purchased separately.

  • Page 16: Removing Nuts

    ASSEMBLY AND OPERATING REMOVING NUTS Press the forward/reverse button to the RIGHT for removing nuts (Fig. 7). Place the socket fully onto the nut. Hold the nut driver socket and impact driver firmly against the nut with both hands. With the nut driver aligned with the nut, squeeze the trigger switch to start the impact driver and remove the nut.

  • Page 17: Maintenance

    MAINTENANCE GENERAL BATTERY PACK REMOVAL AND PREPARATION FOR RECYCLING WARNING: When servicing, use only To preserve our natural resources, please identical replacement parts. The use of any recycle or dispose of batteries properly. other part may create a hazard or cause product damage.

  • Page 18: Exploded View

    EXPLODED VIEW...

  • Page 19: Parts List

    PARTS LIST WARNING: When servicing, use only original equipment replacement parts. The use of any other parts may create a safety hazard or cause damage to the impact driver. Any attempt to repair or replace electrical parts on this impact driver may create a safety hazard unless repairs are performed by a qualified technician.

  • Page 20: Warranty

    3-Year Limited Warranty: This product is warranted for 3 years against any defects in material and workmanship. If defective the product will be repaired or replaced free of charge. Simply provide proof of purchase and return the tool to your place of purchase.

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