Master Forge 252-8016 User manual
Operator’s Manual
12-Volt Lithium-Ion Battery Pack
Model No. 252-8016
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 your full understanding. The safety
warnings do not, by themselves, eliminate any danger, nor are they 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. .
CHARGE BATTERY
BEFORE FIRST USE
2
TABLE OF CONTENTS
Safety Symbols ................................................................................................page 2
Safety Instructions ..........................................................................................page 5
Description .......................................................................................................page 7
Operation ..........................................................................................................page 8
Maintenance ....................................................................................................page 10
Warranty ...........................................................................................................page 12
INTRODUCTION
SAVE THESE INSTRUCTIONS!
This battery 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.
WARNING! some dust created by using power tools contains chemicals
known to the state of California to cause cancer and birth defects or other
reproductive harm.
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 warnings they give
are no substitutes for proper accident prevention measures.
WARNING! Be sure to read and understand all safety instructions in this
manual, including all safety alert symbols such as “DANGER,” ”WARNING,”
and “CAUTION” before using this battery pack. Failure to following all instruc-
tions listed below may result in electric shock, fire, and/or serious personal
injury.
SYMBOL SIGNAL MEANING
DANGER:
Indicates an imminently hazardous situation,
which, if not avoided, will result in death or
serious injury.
3
WARNING:
Indicates a potentially hazardous situation,
which, if not avoided, could result in death or
serious injury.
CAUTION:
Indicates a potentially hazardous situation,
which, if not avoided, could result in minor or
moderate injury.
NOTE: (Without Safety Alert Symbol) Indicates a
situation that may result in property damage.
WARNING: To ensure safety and reliability, all repairs should be performed
by a qualified service technician at Authorized Service Center.
WARNING: The operation of any power tool can result in
foreign objects being thrown into your eyes, which can result
in severe eye damage. Before beginning power tool operation,
always wear safety goggles or safety glasses with side shields
and a full-face shield when needed. We recommend a Wide
Vision Safety Mask for use over eyeglasses or standard safety
glasses with side shields. Always use eye protection which is
marked to comply with ANSI Z87.1
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.
SYMBOL NAME DESIGNATION/EXPLANATION
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
min Minutes Time
Alternating
Current Type of current
Direct Current Type or a characteristic of current
no
No Load
Speed Rotational speed, at no load
Class II
Construction Double-insulated construction
.../min
.../min
.../min
4
Per Minute Revolutions, strokes, surface speed, orbits
etc., per minute
Wet
Conditions
Alert
Do not expose to rain or use in damp
locations.
Read The
Operator’s
Manual
To reduce the risk of injury, user must read
operator’s manual.
Eye Protection
Always wear safety goggles or safety glasses
with side shields, or a full face shield when
operating this product.
Safety Alert Precautions that involve your safety.
No Hands
Symbol
Failure to keep your hands away from the
blade will result in serious personal injury.
No Hands
Symbol
Failure to keep your hands away from the
blade will result in serious personal injury.
No Hands
Symbol
Failure to keep your hands away from the
blade will result in serious personal injury.
No Hands
Symbol
Failure to keep your hands away from the
blade will result in serious personal injury.
Hot Surface To reduce the risk of injury or damage, avoid
contact with any hot surface.
.../min
.../min
5
SAFETY INSTRUCTIONS
Use battery only with charger listed.
Battery pack Charger
252-8016 252-8020
Know your power tool. Read the operator’s manual carefully. Learn its
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.
Battery tools do not have to be plugged into an electrical outlet;
therefore, they are always in operating condition. Be aware of possible
hazards when not using your battery tool or when changing accessories.
Following this rule will reduce the risk of electric shock, fire or serious
personal injury.
Do not place battery tools or their batteries near fire or heat. This will
reduce the risk of explosion and possibly injury.
Do not crush, drop or damage the battery pack. Do not use a battery pack
or charger that has been dropped or received a sharp blow. A damaged
battery is subject to explosion. Properly dispose of a dropped or damaged
battery immediately.
Batteries vent hydrogen gas and can explode in the presence of a source
of ignition such as a pilot light. To reduce the risk of serious personal
injury, never use any cordless product in the presence of open flam. An
exploded battery can propel debris and chemicals. If exposed, flush with
water immediately.
Do not charge the battery in a damp or wet location. Following this rule
will reduce the risk of electric shock.
For best results, your battery should be charged in a location where the
temperature is more that 50°F (10°C)but less that 104°F(40°C). Do not store
outside or in vehicles.
Under extreme usage or temperature conditions, battery leakage may
occur. If liquid comes in contract with your skin, wash immediately with
soap and water, then neutralize with lemon juice or vinegar. If liquid gets
in your eyes, flush them with clean water for at least 10minutes, and then
seek immediate medical attention. Following this rule will reduce the risk
of serious personal injury.
Do not let gasoline, oils, petroleum-based products, etc. come in contract
6
with plastic parts. They contain chemicals that can damage, weaken or
destroy plastic.
Save these instructions. Refer to them frequently and use them to instruct
others who may use this tool. If you lend someone this tool, lend them
these instructions also to prevent misuse of the product and possible
injury.
IMPORTANT SAFETY INSTRUCTIONS
Save these instructions. This manual contains important safety and
operating instructions for battery 252-8016.
Before using battery charger, read all instructions and cautionary
markings on battery charger, battery and product using battery.
CAUTION: To reduce the risk of injury, charge only lithium-ion rechargeable
batteries. Other types of batteries may burst, causing personal injury or dam-
age.
7
DESCRIPTION
KNOW YOUR LITHIUM-ION BATTERY (Fig.1)
WARNING! The safe use of this product requires an understanding of the
information on the tool and in this operator’s manual as well as knowledge of
the project you are attempting. Before use of this product, familiarize yourself
with all operating features and safety rules.
PRODUCT SPECIFICATIONS
Motor 12 Volt DC, 60 Hz AC only
Battery Type Lithium-lon
Battery Voltage 12 Volt DC
Battery Weight 5 OZ
Fig. 1
Battery release button
Electrical contacts
8
OPERATION
BATTERY PROTECTION
Integrated protective circuitry prevents the battery pack from extreme
temperature, over discharge, and over-charge. To protect the battery from
damage and prolong its life, the battery pack circuitry will turn off the battery
pack if it becomes overloaded or if the temperature becomes too high
during use. This may happen in extremely high torque, binding, and stalling
situations. The battery pack will begin normal operation when it cools down.
NOTE: A significantly reduced run time after fully charging the battery
pack indicates that the battery is near the end of its usable life and must be
replaced.
COLD WEATHER OPERATION
When the battery pack is very cold, it may “pulse” for the first minute of
use to warm itself. Put the battery pack on a tool and use the tool in a light
application. After about a minute, the battery pack will have warmed itself
and will operate normally.
WHEN TO CHARGE THE BATTERY PACK
It is not necessary to run down the battery pack charge before recharging.
The Lithium-Ion battery can be charged at any time and will not develop a
“memory” when charged after only a partial discharge.
Remove the battery pack from the tool when convenient for you and your job.
“Top off” the battery pack charge by charging it for a time before starting a
big job or long period of use.
Due to Lithium-Ion fade-free properties, the only time it is necessary to
charge the Lithium-Ion battery pack is when the pack has reached the end
of its charge. To signal the end of charge, power to the tool will drop quickly.
Charge the battery pack as needed.
HOW TO CHARGE THE BATTERY PACK
NOTE: This Lithium-Ion battery pack is shipped partially charged. Before
using it the first time, fully charge the battery pack.
A fully discharged battery pack will charge in about 30 minutes in a
surrounding temperature between 50°F (10°C) and 104°F (40°C).
1. Charge the Lithium-Ion battery pack with the correct charger.
2. Connect the charger to a power supply.
3. Align the raised ribs of the battery pack with the slot in the charger.
4. Insert the battery pack into the charger (Fig. 2).
9
5. The charger will communicate
with the battery pack to evaluate
the condition of the battery pack.
6. The green lights will flash while
the battery pack is charging. After
charging is complete, the green
LED on the charger will be on.
The flickering red light indicates
a defective battery or a bad
connection between the battery
and the charger.
7. The battery pack will fully charge if left on the charger, but it will not
overcharge.
Fig. 2
10
MAINTENANCE
WARNING! To ensure safety and reliability, all repairs should be performed
by a qualified service technician at Authorized Service Center.
WARNING! Always wear safety goggles or safety glasses with side shields
when using compressed air to clean tool. If the operation is dusty, also wear a
dust mask.
WARNING! To avoid serious personal injury, always remove the battery pack
from the tool when cleaning or performing any maintenance..
BATTERIES:
The battery pack is equipped with Lithium-Ion rechargeable batteries. The
duration of use from each charge will depend on the type of work performed.
The batteries in this tool have been designed to provide maximum trouble-
free life. Like all batteries, they will eventually wear out. Do not disassemble
the battery pack or attempt to replace the battery cells.. Handling of the
batteries, especially when wearing rings and jewelry, could result in a
serious burn.
To obtain the longest possible battery life, read and understand the operator’s
manual.
It is good practice to unplug the Charger/Adapter and remove the Lithium-
Ion battery pack when not in use.
For Lithium-Ion battery pack storage longer than 30 days:
Store the Lithium-Ion battery pack where the temperature is below 80°F
(26°C) and free of moisture.
Store Lithium-Ion battery packs in a 30%-50% charged condition.
Every six months of storage, fully charge the Lithium-Ion battery pack.
Exterior may be cleaned with a cloth or soft non-metallic brush.
BATTERY PACK REMOVAL AND PREPARATION FOR RECYCLING
To preserve natural resources, please recycle or dispose
of batteries properly. This product contains lithium-ion
batteries. Local, state, or federal laws may prohibit disposal
of lithium-ion batteries in ordinary trash. Consult your
local waste authority for information regarding available
recycling and/or disposal options.
Table of contents
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