MasterCraft 5331, 054-3126-6 Instruction Manual
model no. 5331
20V max* LITHIUM-ION
BATTERY CHARGER
IMPORTANT:
Read and understand this instruction manual thoroughly
before using the product.
INSTRUCTION
MANUAL
headline bars
3
TABLE OF CONTENTS
Technical Specifications 4
Safety Guidelines 5
Key Parts Diagram 9
Operating Instructions 10
Maintenance 12
Troubleshooting 13
Parts List 14
Warranty 16
NOTE:
If any parts are missing or damaged, or if you have any questions,
please call our toll-free helpline at 1-800-689-9928.
SAVE THESE INSTRUCTIONS
• This manual contains important safety and operating
instructions. Read all instructions and follow them with use
of this product.
TABLE OF CONTENTS
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4
TECHNICAL SPECIFICATIONS
TECHNICAL SPECIFICATIONS
Charger Input 120V~, 60Hz, 10W
Charger Weight 6 oz (0.16 kg)
Optimum Charging Temperature Range 0–40°C (32–104°F)
Compatible Mastercraft Batteries 054-3124-0; 054-3125-8
5
SAFETY GUIDELINES
WARNING!
Safety symbols in this instruction 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 substitutes for proper accident
prevention measures.
WARNING!
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.
KNOW YOUR TOOL
To operate this tool, carefully read this instruction manual and all labels affixed to the charger before
using. Keep this manual available for future reference.
IMPORTANT
This tool should only be serviced by a qualified service technician. For more information, call the tollfree helpline at 1-800-689-9928.
READ ALL INSTRUCTIONS THOROUGHLY
SAVE THESE INSTRUCTIONS
GENERAL POWER TOOL SAFETY WARNINGS
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 batteryoperated (cordless) power tool.
WORK AREA SAFETY
• Keep the work area clean and well lit. Cluttered or dark areas invite accidents.
• Do not operate power tools in explosive atmospheres, such as in the presence of
flammable liquids, gases or dust. Power tools create sparks, which may ignite the dust or
fumes.
• Keep children and bystanders away while operating a power tool. Distractions can cause
you to lose control.
SAFETY GUIDELINES
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6
ELECTRICAL SAFETY
• Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any
adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will
reduce risk of electric shock.
• Avoid body contact with earthed or grounded surfaces, such as pipes, radiators,
ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or
grounded.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will
increase the risk of electric shock.
• Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power
tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords
increase the risk of electric shock.
• When operating a power tool outdoors, use an extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces the risk of electric shock.
• If operating a power tool in a damp location is unavoidable, use a ground-fault circuit
interrupter (GFCI) protected supply. Use of a GFCI reduces the risk of electric
shock.
PERSONAL SAFETY
• Stay alert, watch what you are doing and use common sense when operating a power
tool. Do not use a power tool while you are 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. Always wear eye protection. Protective equipment
such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate
conditions will reduce personal injuries.
• Prevent unintentional starting. Ensure the switch is in the off-position before
connecting to
power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your
finger on the switch or energising power tools that have the switch on invites accidents.
• Remove any adjusting key or wrench before turning the power tool on. A wrench or a
key left attached to a rotating part of the power tool may result in personal injury.
• Do not overreach. Keep proper footing and balance at all times. This enables better
control of the power tool in unexpected situations.
• Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and
gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in
moving
parts.
• If devices are provided for the connection of dust extraction and collection facilities,
ensure that these are connected and properly used. Use of these devices can reduce
dust-
related hazards.
SAFETY GUIDELINES
7
POWER TOOL USE AND CARE
• Do not force the power tool. Use the correct power tool for your application. The correct power
tool will do the job better and more safely at the rate for which it was designed.
• Do not use the power tool if the switch does not turn it on and off. Any power tool
that
cannot be controlled with the switch is dangerous and must be repaired.
• Disconnect the plug from the power source and/or the battery pack from the power
tool before making any adjustments, changing accessories, or storing power tools.
Such preventive safety measures reduce the risk of starting the power tool accidentally.
• Store idle power tools out of the reach of children and do not allow persons unfamiliar
with the power tool or these instructions to operate the power tool. Power tools are
dangerous in the hands of untrained users.
• Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts
and any other condition that may affect the power tool’s operation. If damaged, have
the power
tool repaired before use. Many accidents are caused by poorly maintained power tools.
• 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, tool bits, etc. in accordance with these instructions,
taking into account the working conditions and the work to be performed. Use of the
power tool for operations different from those intended could result in a hazardous situation.
BATTERY TOOL USE AND CARE
• Recharge only with the charger specified by the manufacturer. A charger that is suitable
for one type of battery pack may create a risk of fire when used with another battery pack.
• Use power tools only with specifically designated battery packs. The use of any other
battery pack may create a risk of injury and fire.
• When the battery pack is not in use, keep it away from other metal objects, such as
paper clips, coins, keys, nails, screws, or other small metal objects that can make a
connection from one terminal to another. Shorting the battery terminals together may cause
burns or a fire.
• Under abusive conditions, liquid may be ejected from the battery. Avoid contact. If contact
occurs, flush with water. If liquid comes into contact with the eyes, seek medical
help. Liquid
ejected from the battery may cause irritation or burns.
SERVICE
• Have your power tool serviced by a qualified repair person using only identical
replacement parts. This will ensure that the safety of the power tool is maintained.
SAFETY GUIDELINES
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SAFETY GUIDELINES FOR BATTERY CHARGER
• For indoor use only. Dry location use only. Risk of fire and electric shock.
• SAVE THESE INSTRUCTIONS – This manual contains important safety and operating
instructions for battery charger Model 5331.
• Before using battery charger, read all instructions and cautionary markings on battery
charger, battery, and product using battery.
• CAUTION – To reduce risk of injury, charge only Mastercraft® 054-3124-0 20V type
rechargeable batteries. Other types of batteries may burst causing personal injury and damage.
• To reduce risk of battery explosion, follow these instructions and those marked on the
battery.
• Never charge a frozen battery
• Do not operate charger in a closed-in area or restrict ventilation in any way.
• Do not use the charger outdoors or expose it to wet or damp conditions. Water
entering
the charger will increase the risk of electric shock.
• Do not allow gasoline, oils, petroleum based products, etc. to come in contact with
plastic parts. These materials contain chemicals that can damage, weaken, or destroy plastic.
• Do not operate the charger with a damaged cord or plug, which could cause shorting and
electric shock. If damaged, have the charger repaired or replaced by a qualified
service technician.
• The label on your tool may include the following symbols. The symbols and their
definitions are as follows:
V ..................... Volts
A ..................... Amperes
Hz ................... Hertz
W .................... Watts
min ................. Minutes
................. Alternating current
............. Direct current
n
0
................... No-load speed
............... Class II Construction
…/min ........... Revolutions or reciprocation per minute
............... Grounding terminal
BPM ............... Beats per minute
.............. WARNING – To reduce the risk of injury, user must read instruction manual.
SAFETY GUIDELINES
9
PACKAGE CONTENTS
Battery charger and instruction manual.
KEY PARTS DIAGRAM
2
1
No. Description No. Description
1 LED Charger Indicator 2 Charger Base
KEY PARTS DIAGRAM
WARNING!
• Remove the charger from the package and examine it carefully. Do not discard the carton
or any packaging material until all parts have been examined.
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OPERATING INSTRUCTIONS
WHEN TO CHARGE THE BATTERY PACK
The Lithium-Ion battery pack can be charged at any time and will not develop a “memory” when charged
after only a partial discharge. It is not necessary to run down the battery pack charge before recharging.
Remove the battery pack from the tool and recharge it when it is convenient for you and your job.
1. Use the battery Fuel Gauge to determine when you need to recharge the battery pack.
2. You can “top-off” your battery packs charge before starting a big job or a long period of use.
3. Due to Lithium-Ion’s 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
(fig 1)
A fully discharged battery pack will charge in about
3–5 hours in a surrounding temperature between
0°C (32°F) and 40°C (104°F).
1. Align the raised electric contacts on the charging base
with the corresponding slots in the battery pack and
slide the charging base onto the battery pack (fig 1).
2. Connect the charger to a power supply.
3. The charger will communicate with the battery pack’s circuitry to evaluate the condition of the battery pack.
4. The Fuel Gauge LED lights on the battery will cycle from right to left during charging. This is part of the
normal charging operation.
5. After charging is complete, the green LED on the charger will be on and the Fuel Gauge LED lights will
turn off. The Fuel Gauge LED lights will not be displayed when the Fuel Gauge button is pressed while the
battery pack is on the charger.
6. The battery pack will fully charge, but will not overcharge, if left on the charger.
LED INDICATOR ON CHARGER
Battery Pack Status Red LED Green LED Explanation
Hot/Cold battery ON / Charging will begin when battery returns to
5°C (41°F)–40°C (104°F)
Defective battery Flashing / Battery pack is defective
Charging / Flashing Charging
Fully charged / ON Charging is complete
OPERATING INSTRUCTIONS
fig 1
11
CHARGING A HOT BATTERY PACK
If the battery pack is above the normal temperature range, the red LED will illuminate. When the battery
pack cools down to approximately 104°F (40°C), the charger will automatically begin charging.
CHARGING A COLD BATTERY PACK
If the battery pack is below the normal temperature range, the red LED will illuminate. When the battery
warms to a temperature of more than 41°F (5°C), the charger will automatically begin charging.
DEFECTIVE BATTERY
If the charger detects a problem, the red LED will begin flashing.
1. If registering as defective, remove and reinsert the battery pack in the charger. If the LED status
reads “defective” a second time, try to charge a different battery pack.
2. If a different battery pack charges normally, dispose of the defective battery pack (see Maintenance
section).
3. If a different battery pack also indicates “defective,” the charger may be defective.
BATTERY CHARGING
If the battery pack is within the normal temperature range, the green LED will begin flashing.
BATTERY FULL
After the battery is fully charged, the green LED light on the charger will be on.
OPERATING INSTRUCTIONS
NOTE:
• The battery pack will fully charge, but will not overcharge, if left on the charger.
• Charger may warm with several continuous charge cycles. This is part of the normal operation of the
charge. Always charge in a well-ventilated area.
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MAINTENANCE
BEFORE EACH USE
1. Check for damaged, missing, or worn parts.
2. If abnormal vibration or noise occurs, turn the tool off immediately and have the problem corrected
before further use.
3. Unplug the tool from power source before cleaning or performing any maintenance. Using
compressed air may be the most effective cleaning method. Always wear safety goggles when
cleaning tools using compressed air.
MAINTENANCE
WARNING!
• Do not allow brake fluids, gasoline and petroleum-based products, penetrating oil, etc. come into contact
with plastic parts. These substances contain chemicals that can damage, weaken, or destroy plastic.
• When servicing, use only identical replacement parts. The use of any other parts may create a hazard or
cause damage to the product.
• To ensure safety and reliability, all repairs should be performed by a qualified service technician.
13
TROUBLESHOOTING
Problem Possible Causes Solution
The battery pack isn’t
charging
The battery pack is not connected to
the charger
Attach the battery pack to the
charger again
If the problem remains unsolved after performing the checks described above, call the toll-free helpline
at 1-800-689-9928.
TROUBLESHOOTING
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EXPLODED VIEW
PARTS LIST
15
No. Part No. Description No. Part No. Description
1 3126535000 Upper housing 4 3126536000 Lower housing
2 4890917000 Pcb assembly 5 4810206000 Power cord & plug
3 3705246000 Insulated pad
If any parts are missing or damaged, or if you have any questions, please call the toll-free helpline
at 1-800-689-9928.
PARTS LIST
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16
This Mastercraft product is guaranteed for a period of 2 years from the date of original retail
purchase against defects in workmanship and materials, except for the following components:
a) Component A: Batteries, chargers and carrying case, which are guaranteed for a period of 2 years
from the date of original retail purchase against defects in workmanship and materials;
b) Component B: Accessories, which are guaranteed for a period of 1 year from the date of original
retail purchase against defects in workmanship and materials.
Subject to the conditions and limitations described below, this product, if returned to us with proof
of purchase within the stated warranty period and if covered under this warranty, will be repaired or
replaced (with the same model, or one of equal value or specification), at our option. We will bear the
cost of any repair or replacement and any costs of labour relating thereto.
These warranties are subject to the following conditions and limitations:
a) a bill of sale verifying the purchase and purchase date must be provided;
b) this warranty will not apply to any product or part thereof which is worn or broken or which has
become inoperative due to abuse, misuse, accidental damage, neglect or lack of proper installation,
operation or maintenance (as outlined in the applicable owner’s manual or operating instructions) or
which is being used for industrial, professional, commercial or rental purposes;
c) this warranty will not apply to normal wear and tear or to expendable parts or accessories that may be
supplied with the product that are expected to become inoperative or unusable after a reasonable period
of use;
d) this warranty will not apply to routine maintenance and consumable items such as, but not limited
to, fuel, lubricants, vacuum bags, blades, belts, sandpaper, bits, fluids, tune-ups or adjustments;
e) this warranty will not apply where damage is caused by repairs made or attempted by others (i.e.
persons not authorized by the manufacturer);
f) this warranty will not apply to any product that was sold to the original purchaser as a
reconditioned or refurbished product (unless otherwise specified in writing);
g) this warranty will not apply to any product or part thereof if any part from another manufacturer
is installed therein or any repairs or alterations have been made or attempted by unauthorized
persons;
WARRANTY
17
h) this warranty will not apply to normal deterioration of the exterior finish, such as, but not limited to,
scratches, dents, paint chips, or to any corrosion or discolouring by heat, abrasive and chemical
cleaners; and
i) this warranty will not apply to component parts sold by and identified as the product of another
company, which shall be covered under the product manufacturer’s warranty, if any.
Additional Limitations
This warranty applies only to the original purchaser and may not be transferred. Neither the retailer nor
the manufacturer shall be liable for any other expense, loss or damage, including, without limitation,
any indirect, incidental, consequential or exemplary damages arising in connection with the sale, use or
inability to use this product.
Notice to Consumer
This warranty gives you specific legal rights, and you may have other rights, which may vary from
province to province. The provisions contained in this warranty are not intended to limit, modify, take
away from, disclaim or exclude any statutory warranties set forth in any applicable provincial or federal
legislation.
Made in China
Imported by
Mastercraft Canada Toronto, Canada M4S 2B8
WARRANTY
INSTRUCTION MANUAL
20V max* LITHIUM-ION
COMPACT CORDLESS IMPACT
WRENCH
054-3121-6
20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6
If any parts are
missing or damaged,
or if you have any
questions, please call
our toll-free helpline
at 1-800-689-9928.
Read and understand this instruction manual
thoroughly before using the product. It contains
important information for your safety as well as
operating and maintenance advice.
Keep this instruction manual for future use. Should
this product be passed on to a third party, then this
instruction manual must be included.
2
20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6
TABLE OF CONTENTS
TECHNICAL SPECIFICATIONS 3
SAFETY GUIDELINES 4–8
DESCRIPTION 9
OPERATING INSTRUCTIONS 10–14
MAINTENANCE 15
TROUBLESHOOTING 16
PARTS LIST 17–18
WARRANTY 19–20
3
20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6
TECHNICAL SPECIFICATIONS
MOTOR 20V DC
NO-LOAD SPEED 0–2500 RPM
0–3200 BPM
MAX. TORQUE 116 ft-lb
DRIVE 1/2" Square
IMPACT WRENCH WEIGHT 2 lb 10 oz (1.2 kg)
(WITHOUT BATTERY)
BATTERY VOLTAGE 20V max* DC
COMPATIBLE MASTERCRAFT 1.5 Ah Li-ion (054-3124-0)
BATTERIES 3.0 Ah Li-ion (054-3125-8)
COMPATIBLE MASTERCRAFT
CHARGER 054-3126-6, 5331
*Maximum battery voltage without workload; with workload nominal voltage is 18V.
4
20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6
SAFETY GUIDELINES
WARNING!
Safety symbols in this Instruction Manual are used to ag 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 substitutes for proper accident
prevention measures.
WARNING!
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, re, or
electric shock, always follow the safety precautions.
Know your tool
To operate this tool, carefully read this Instruction Manual and all labels afxed to the Cordless Impact
Wrench before using it. Keep this instruction manual available for future reference.
Important
This tool should only be serviced by a qualied service technician. For more information, call the
toll-free helpline at 1-800-689-9928.
Read all instructions thoroughly
Save these instructions
General power tool safety warnings
WARNING!
Read all safety warnings and instructions. Failure to follow the warnings and instructions
may result in electric shock, re 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 batteryoperated (cordless) power tool.
5
20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6
SAFETY GUIDELINES
Work area safety
• Keep the work area clean and well lit. Cluttered or dark areas invite accidents.
• Do not operate power tools in explosive atmospheres, such as in the presence of
ammable liquids, gases or dust. Power tools create sparks, which may ignite the dust or fumes.
• Keep children and bystanders away while operating a power tool. Distractions can cause
you to lose control.
Electrical safety
• Power tool plugs must match the outlet. Never modify the plug in any way. Do not use
any adapter plugs with earthed (grounded) power tools. Unmodied plugs and matching
outlets will reduce the risk of electric shock.
• Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges
and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will increase
the risk of electric shock.
• Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power
tool. Keep the cord away from heat, oil, sharp edges or moving parts. Damaged or entangled
cords increase the risk of electric shock.
• When operating a power tool outdoors, use an extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces the risk of electric shock.
• If operating a power tool in a damp location is unavoidable, use a ground-fault circuit
interrupter (GFCI) protected supply. Use of a GFCI reduces the risk of electric shock.
Personal safety
• Stay alert, watch what you are doing and use common sense when operating a power tool.
Do not use the tool while tired or under the inuence of drugs, alcohol, or medication. A
moment of inattention while operating power tools may result in serious personal injury.
• Use personal protective equipment. Always wear eye protection. Protective equipment such
as dust mask, non-skid safety shoes, hard hat, or hearing protection, used for appropriate conditions,
will reduce personal injuries.
• Prevent unintentional starting. Ensure the switch is in the off-position before connecting
to power source and/or battery pack, picking up or carrying the tool. Carrying power tools
with your nger on the switch or energising power tools that have the switch on invites accidents.
• Remove any adjusting key or wrench before turning the power tool on. A wrench or a key
left attached to a rotating part of the power tool may result in personal injury.
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