Sears 28.71225 User Manual
OPERATOR’S MANUAL • MANUAL DEL USUARIO
6V/12V Battery Charger
& Engine Starter
6V/12V Cargador de Batería
& Arranque de Máquina
Model/Modelo
28.71225
Read and follow all safety rules and operating
instructions before every use of this product.
SAVE THESE INSTRUCTIONS.
Lea todas las instrucciones de operación y reglas de
seguridad, así mismo aplíquelas a cada uso del producto.
GUARDE ESTAS INSTRUCCIONES.
Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.
0099001213-00
DIEHARD THREE-YEAR FULL WARRANTY
When operated and maintained according to all supplied instructions, if this DieHard product
fails due to a defect in material or workmanship within 3 years from the date of purchase, return
it to any DieHard outlet in the United States for free replacement.
This warranty gives you specic legal rights, and you may also have other rights which vary
from state to state.
Sears Brands Management Corporation, Hoffman Estates, IL 60179
FOR CUSTOMER ASSISTANCE OR REPLACEMENT PARTS,
CALL TOLL-FREE FROM 7 AM TO 5 PM CT
MONDAY THROUGH FRIDAY: 1-800-732-7764
TRES AÑOS DE GARANTÍA TOTAL EN DIEHARD
Cuando se opere o maneje con las debidas precauciones de acuerdo a las instrucciones, si
el DieHard falla en alguno de sus componentes de fabricación durante el 3 años contados a
partir de la fecha de compra, regresarlo al autoservicio diehard en los estados unidos para
reemplazar el aparato sin costo alguno.
Esta garantía le otorga derechos legales especícos, así como otros derechos que varían de
estado a estado.
Sears Brands Management Corporation, Hoffman Estates, IL 60179
ASISTENCIA AL CLIENTE O REPOSICIÓN DE PARTES,
SERVICIO DE 7 AM A 5 PM, HORA CENTRO
DE LUNES A VIERNES: 1-800-732-7764
IMPORTANT: READ AND SAVE THIS SAFETY AND INSTRUCTION MANUAL.
SAVE THESE INSTRUCTIONS – This manual will show you how to use your
charger safely and effectively. Please read, understand and follow these instructions
and precautions carefully, as this manual contains important safety and operating
instructions. The safety messages used throughout this manual contain a signal word,
a message and an icon.
The signal word indicates the level of the hazard in a situation.
Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury to the operator or bystanders.
Indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury to the operator or bystanders.
Indicates a potentially hazardous situation which, if not avoided, could result
in moderate or minor injury to the operator or bystanders.
Indicates a potentially hazardous situation which, if not avoided, could result
in damage to the equipment or vehicle or property damage.
Pursuant to California Proposition 65, this product contains chemicals
known to the State of California to cause cancer and birth defects or other
reproductive harm.
IMPORTANT SAFETY INSTRUCTIONS – SAVE THESE INSTRUCTIONS. 1.
This manual contains important safety and operating instructions.
RISK OF ELECTRIC SHOCK OR FIRE.
Keep out of reach of children.1.1
Do not expose the charger to rain or snow.1.2
Use only recommended attachments. Use of an 1.3
attachment not recommended or sold by the battery charger
manufacturer may result in a risk of re, electric shock or injury
to persons or damage to property.
To reduce the risk of damage to the electric plug or cord, pull by the plug rather than the 1.4
cord when disconnecting the charger.
An extension cord should not be used unless absolutely necessary. Use of an improper 1.5
extension cord could result in a risk of re and electric shock. If an extension cord must
be used, make sure:
That the pins on the plug of the extension cord are the same number, size and shape •
as those of the plug on the charger.
That the extension cord is properly wired and in good electrical condition.•
That the wire size is large enough for the AC ampere rating of the charger as •
specied in section 8.
To reduce the risk of electric shock, unplug the charger from the outlet before 1.6
attempting any maintenance or cleaning. Simply turning off the controls will not
reduce this risk.
Do not operate the charger with a damaged cord or plug; have the cord or plug replaced 1.7
immediately by a qualied service person. (Call customer service at: 1-800-732-7764.)
Do not operate the charger if it has received a sharp blow, been dropped or otherwise 1.8
damaged in any way; take it to a qualied service person. (Call customer service at:
1-800-732-7764.)
Do not disassemble the charger; take it to a qualied service person when service or 1.9
repair is required. Incorrect reassembly may result in a risk of re or electric shock.
(Call customer service at: 1-800-732-7764.)
• 1 •
RISK OF EXPLOSIVE GASES.
WORKING IN THE VICINITY OF A LEAD-ACID BATTERY IS 1.10
DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES DURING
NORMAL BATTERY OPERATION. FOR THIS REASON, IT IS OF UTMOST
IMPORTANCE THAT YOU FOLLOW ALL INSTRUCTIONS IN THIS MANUAL
EACH TIME YOU USE THE CHARGER.
To reduce the risk of a battery explosion, follow all instructions in this manual and those 1.11
published by the battery manufacturer and the manufacturer of any equipment you
intend to use in the vicinity of the battery. Review the cautionary markings on these
products and on the engine.
This charger employs parts, such as switches and circuit breakers, that tend to produce arcs 1.12
and sparks. If used in a garage, locate this charger 18 inches or more above oor level.
PERSONAL PRECAUTIONS2.
RISK OF EXPLOSIVE GASES.
NEVER smoke or allow a spark or ame in the vicinity of a battery 2.1
or engine.
Remove personal metal items such as rings, bracelets, necklaces and 2.2
watches when working with a lead-acid battery. A lead-acid battery can produce
a short-circuit current high enough to weld a ring or the like to metal, causing a
severe burn.
Be extra cautious to reduce the risk of dropping a metal tool onto the battery. It might 2.3
spark or short-circuit the battery or other electrical part that may cause an explosion.
Use this charger for charging LEAD-ACID batteries only. It is not intended to supply power 2.4
to a low voltage electrical system other than in a starter-motor application. Do not use
this battery charger for charging dry-cell batteries that are commonly used with home
appliances. These batteries may burst and cause injury to persons and damage to property.
NEVER charge a frozen battery.2.5
NEVER overcharge a battery.2.6
Consider having someone nearby to come to your aid when you work near a 2.7
lead-acid battery.
Have plenty of fresh water and soap nearby in case battery acid contacts your skin, 2.8
clothing or eyes.
Wear complete eye and body protection, including safety goggles and protective 2.9
clothing. Avoid touching your eyes while working near the battery.
If battery acid contacts your skin or clothing, immediately wash the area with soap and 2.10
water. If acid enters your eye, immediately ood the eye with cold running water for at
least 10 minutes and get medical attention right away.
If battery acid is accidentally swallowed, drink milk, the whites of eggs or water. DO NOT 2.11
induce vomiting. Seek medical attention immediately.
PREPARING TO CHARGE3.
RISK OF CONTACT WITH BATTERY ACID. BATTERY ACID
IS A HIGHLY CORROSIVE SULFURIC ACID.
If it is necessary to remove the battery from the vehicle to 3.1
charge it, always remove the grounded terminal rst. Make sure
all of the accessories in the vehicle are off to prevent arcing.
Be sure the area around the battery is well ventilated 3.2
while the battery is being charged.
Clean the battery terminals before charging the battery. During cleaning, keep airborne 3.3
corrosion from coming into contact with your eyes, nose and mouth. Use baking soda
and water to neutralize the battery acid and help eliminate airborne corrosion. Do not
touch your eyes, nose or mouth.
Add distilled water to each cell until the battery acid reaches the level specied by the 3.4
battery manufacturer. Do not overll. For a battery without removable cell caps, such
as valve regulated lead acid batteries (VRLA), carefully follow the manufacturer’s
recharging instructions.
• 2 •
Read, understand and follow all instructions for the charger, battery, vehicle and any 3.5
equipment used near the battery and charger. Study all of the battery manufacturer’s
specic precautions while charging and recommended rates of charge.
Determine the voltage of the battery by referring to the vehicle owner’s manual and 3.6
make sure that the output voltage selector switch is set to the correct voltage. If the
charger has an adjustable charge rate, charge the battery in the lowest rate rst.
Make sure that the charger cable clips make tight connections.3.7
CHARGER LOCATION4.
RISK OF EXPLOSION AND CONTACT WITH
BATTERY ACID.
Locate the charger as far away from the 4.1
battery as the DC cables permit.
Never place the charger directly above 4.2
the battery being charged; gases from the
battery will corrode and damage the charger.
Do not set the battery on top of the charger.4.3
Never allow battery acid to drip onto the charger when reading the electrolyte specic 4.4
gravity or lling the battery.
Do not operate the charger in a closed-in area or restrict the ventilation in any way.4.5
DC CONNECTION PRECAUTIONS5.
Connect and disconnect the DC output clips only after setting all of the charger switches 5.1
to the “off” position (if applicable) and removing the AC plug from the electrical outlet.
Never allow the clips to touch each other.
Attach the clips to the battery and chassis, as indicated in sections 6 and 7.5.2
FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE6.
A SPARK NEAR THE BATTERY MAY CAUSE
A BATTERY EXPLOSION. TO REDUCE THE
RISK OF A SPARK NEAR THE BATTERY:
Position the AC and DC cables to 6.1
reduce the risk of damage by the hood, door
necessary to close the hood during the charging process, ensure that the hood does not
touch the metal part of the battery clips or cut the insulation of the cables.
Stay clear of fan blades, belts, pulleys and other parts that can cause injury.6.2
Check the polarity of the battery posts. The POSITIVE (POS, P, +) battery post usually 6.3
has a larger diameter than the NEGATIVE (NEG, N, -) post.
Determine which post of the battery is 6.4
grounded (connected) to the chassis (vehicle
frame). If the negative post is grounded to
the chassis (as in most vehicles), see step
6.5. If the positive post is grounded to the
chassis, see step 6.6.
For a negative-grounded vehicle, connect 6.5
the POSITIVE (RED) clip from the battery
charger to the POSITIVE (POS, P, +)
ungrounded post of the battery. Connect
the NEGATIVE (BLACK) clip to the vehicle
frame or engine block at a distance away
from the battery. Do not connect the clip to
the carburetor, fuel lines or sheet-metal body
parts. Connect to a heavy gauge metal part
of the vehicle frame or engine block.
and moving or hot engine parts. NOTE: If it is
NEGATIVE GROUNDED SYSTEM
• 3 •
For a positive-grounded vehicle, connect the NEGATIVE (BLACK) clip from the battery 6.6
charger to the NEGATIVE (NEG, N, -) ungrounded post of the battery. Connect the
POSITIVE (RED) clip to the vehicle frame or engine block at a distance away from the
battery. Do not connect the clip to the carburetor, fuel lines or sheet-metal body parts.
Connect to a heavy gauge metal part of the vehicle frame or engine block.
Connect charger AC supply cord to electrical outlet.6.7
When disconnecting the charger, turn all switches to off, disconnect the AC cord, remove 6.8
the clip from the vehicle chassis and then remove the clip from the battery terminal.
See CALCULATING CHARGE TIME for length of charge information.6.9
FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE7.
A SPARK NEAR THE BATTERY MAY CAUSE
A BATTERY EXPLOSION. TO REDUCE THE
RISK OF A SPARK NEAR THE BATTERY:
Check the polarity of the battery posts. 7.1
The POSITIVE (POS, P, +) battery post usually
has a larger diameter than the NEGATIVE
(NEG, N, -) post.
Attach at least a 24-inch (61 cm) long 6-gauge (AWG) insulated battery cable to the 7.2
NEGATIVE (NEG, N, -) battery post.
Connect the POSITIVE (RED) charger clip to the 7.3
POSITIVE (POS, P, +) post of the battery.
Position yourself and the free end of the cable 7.4
you previously attached to the NEGATIVE
(NEG, N, -) battery post as far away from
the battery as possible – then connect the
NEGATIVE (BLACK) charger clip to the free
end of the cable.
Do not face the battery when making the nal connection.7.5
Connect charger AC supply cord to electrical outlet.7.6
When disconnecting the charger, always do so in the reverse order of the connecting 7.7
procedure and break the rst connection while as far away from the battery as practical.
A marine (boat) battery must be removed and charged on shore. To charge it onboard 7.8
requires equipment specially designed for marine use.
GROUNDING AND AC POWER CORD CONNECTIONS8.
RISK OF ELECTRIC SHOCK OR FIRE.
This battery charger is for use on a nominal 120-volt 8.1
circuit. The charger must be grounded to reduce the risk of
electric shock. The plug must be plugged into an outlet that is
properly installed and grounded in accordance with all local
codes and ordinances. The plug pins must t the receptacle
(outlet). Do not use with an ungrounded system.
8.2 Never alter the AC cord or plug provided – if it does not t the outlet,
have a proper grounded outlet installed by a qualied electrician. An improper
connection can result in a risk of an electric shock or electrocution. NOTE: Pursuant to
Canadian Regulations, use of an adapter plug is not allowed in Canada. Use of an
adapter plug in the United States is not recommended and should not be used.
Recommended minimum AWG size for extension cord:8.3
100 feet long (30.5 meters) or less – use a 12 gauge (3.31 mm•
Over 100 feet (30.5 meters) long – use a 10 gauge (5.26 mm•
2
) extension cord.
2
) extension cord.
ASSEMBLY INSTRUCTIONS9.
Remove all cord wraps and uncoil the cables prior to using the battery charger. 9.1
Included with your battery charger are two cord wrap cleats for storage of the battery 9.2
cables. To install, align the three tabs to correspond with the three receptacles on the
back of the charger and push until you hear a snap.
• 4 •
FEATURES/CONTROL PANEL10.
1 2
3
6
4
5
7
LED Indicators
CHECK BATTERY (red) LED lit: Indicates the charger is not properly connected
to the battery.
CHECK BATTERY (red) LED blinking: Indicates the charger is in abort mode.
CHARGING (yellow) LED lit: Indicates the charger is charging the battery.
CHARGED (green) LED lit: Indicates the battery is fully charged and the charger
is in maintain mode.
NOTE: See the Operating Instructions section for a complete description of the
charger modes.
Digital Display
The Digital Display gives a digital indication of voltage of the battery, % of charge of the
battery or % of charging output of the alternator, depending on the Display Mode chosen.
Display Mode Button
Use this button to set the function of the digital display to one of the following:
Battery %• – The digital display shows an estimated charge percentage of the battery
connected to the charger battery clips. The percent indicated is an estimate based on
the present battery voltage. Connecting and reconnecting a battery during charging
or after charging is complete will cause the charger to recalculate the percentage and
may display a different percentage than was previously indicated.
Voltage• – The digital display shows the voltage at the charger battery clips in DC
volts. Keep in mind that this reading is only a battery voltage reading, and a false
surface charge may mislead you. We suggest that you turn on the headlights for a
couple of minutes before you read the meter. Read it a couple of minutes after you
have shut the headlights off. If the reading is less than 10.5 volts (5.2 volts for 6V
battery), the battery may be bad or the connection at the charger may be poor. If the
reading is 10.5 volts to 12.8 volts (5.2 volts to 6.4 volts for 6V battery), the battery
is low – recharge it. If the reading is above 12.8 volts (6.4 volts for 6V battery) the
battery is charged. NOTE: The voltage display is not available during charging, and
the digital display will default to BATTERY %.
Alternator %• – The digital display shows an estimated output percentage of the
vehicle’s charging system connected to the charger battery clips as compared to a
properly functioning system. The alternator percent range is from 0 to 100%. Readings
below 0 (13.2 volts) will read LO and readings above 100% (14.6 volts) will read
HI. If you get a HI or LO reading, have the electrical system checked by a qualied
technician. The percent indicated is an estimate based on the present alternator output.
• 5 •
Carrying Handle1.
Charger Status LEDs2.
Display Mode Button3.
Battery Type Button4.
Charge Rate Button5.
Digital Display6.
Battery Clips7.
Battery Type Button
Use this button to set the type of battery to be charged.
Standard• – Set the button to 12V STANDARD or 6V STANDARD.
Deep-Cycle• – Set the button to 12V DEEP CYCLE.
AGM –• Set the button to 12V AGM/GEL.
GEL –• Set the button to 12V AGM/GEL.
Charge Rate Button
Use this button to set the maximum charge rate.
2A Slow Charge Rate• – Intended for charging small batteries such as those
commonly used in garden tractors, snowmobiles and motorcycles.
12A Fast and 30A Rapid Charge Rate• – Use for charging automotive, marine and
deep-cycle batteries. Not intended for industrial applications.
80A Engine Start• – Provides 80 amps for cranking an engine with a weak or run
down battery. Always use in combination with a battery.
OPERATING INSTRUCTIONS11.
the assembly instructions before it is used.
This battery charger must be properly assembled in accordance with
The charger does not have an On/Off switch. The On and Off commands are controlled
by plugging the 71225 into a 120V AC electrical wall outlet only after the battery
connections have been made.
Charging
Ensure that all of the charger components are in place and in good working 1.
condition, for example, the plastic boots on the battery clips.
Connect the battery following the precautions listed in sections 6 and 7.2.
Connect the AC power, following the precautions listed in section 8.3.
Select the appropriate settings for your battery.4.
NOTE: This charger is equipped with an auto-start feature. It will not supply current to
the battery clips until a battery is properly connected. Meaning, the clips will not spark if
touched together.
Battery Connection Indicator
If the charger does not detect a properly connected battery, the CHECK (red) LED will
light. Charging will not begin if the CHECK (red) LED is on.
Automatic Charging Mode
When an Automatic Charge is performed, the charger switches to the Maintain Mode
(see below) automatically after the battery is charged. For a battery with a starting
voltage under 0.1 volt, the charger will not recognize that the battery is connected and
the CHECK (red) LED will stay lit. In order to charge the battery, use a manual charger
to pre-charge the battery for ve minutes to get additional voltage into the battery.
Aborted Charge
If charging cannot be completed normally, charging will abort. When charging aborts,
the charger’s output is shut off, the CHECK (red) LED will blink and the digital display
will show a failure code (see the TROUBLESHOOTING section for a description of the
failure codes). In that state, the charger ignores all buttons. To reset after an aborted
charge, unplug the charger, wait a few moments, then plug it back in.
Desulfation Mode
If the battery is left discharged for an extended period of time, it could become sulfated
and not accept a normal charge. If the charger detects a sulfated battery, the charger
will switch to a special mode of operation designed for such batteries. If successful,
normal charging will resume after the battery is desulfated. Desulfation could take 8 to
10 hours. If desulfation fails, charging will abort, the CHECK (red) LED will blink and the
digital display will show a failure code of F02 (bad battery).
• 6 •
Completion of Charge
Charge completion is indicated by the CHARGED (green) LED. When lit, the charger
has switched to the Maintain Mode of operation. If the 12V DEEP CYCLE battery type
was selected, the CHARGED (green) LED comes on when the battery is charged
enough for normal use.
Maintain Mode (Float-Mode Monitoring)
When the CHARGED (green) LED is lit, the charger has started Maintain Mode. In this
mode, the charger keeps the battery fully charged by delivering a small current when
necessary. The voltage is maintained at a level determined by the BATTERY
TYPE selected.
NOTE: The maintain mode technology utilized in DieHard chargers allows you to safely
charge and maintain a healthy battery for extended periods of time. However, problems
with the battery, electrical problems in the vehicle, improper connections or other
unanticipated conditions could cause excessive voltage draws. As such, occasionally
monitoring your battery and the charging process is recommended.
Using the Engine Start feature
Your battery charger can be used to jumpstart your car if the battery is low. Follow these
instructions on how to use the ENGINE START feature.
Wear complete eye protection and clothing protection. Charge your battery in a well-
Follow all safety instructions and precautions for charging your battery.
ventilated area.
Using the ENGINE START feature WITHOUT a battery installed in
the vehicle could cause damage to the vehicle’s electrical system. NOTE: If you have
charged the battery and it still will not start your car, do not use the engine start feature,
or it could damage the vehicle’s electrical system.
With the charger unplugged from the AC outlet, connect the charger to the battery 1.
following the instructions given in section 6: FOLLOW THESE STEPS WHEN
BATTERY IS INSTALLED IN VEHICLE.
Plug the charger AC power cord into the AC outlet.2.
With the charger plugged in and connected to the battery of the vehicle, set the 3.
charge rate selector button to the engine start position.
When the display shows 4. rdy, crank the engine until it starts or 3 seconds pass. If
the engine does not start, wait 3 minutes until the display shows rdy before cranking
again. This allows the charger and battery to cool down.
NOTE: During extremely cold weather, or if the battery is under 2 volts, charge the
battery for 5 minutes before cranking the engine.
If the engine fails to start, charge the battery for 5 more minutes before attempting to 5.
crank the engine again.
After the engine starts, unplug the AC power cord before disconnecting the battery 6.
clips from the vehicle.
Clean and store the charger in a dry location.7.
NOTE: If the engine does turn over but never starts, there is not a problem with the
starting system; there is a problem somewhere else with the vehicle. STOP cranking the
engine until the other problem has been diagnosed and corrected.
Engine Starting Notes
During the starting sequence listed above, the charger is set to one of the following
three states:
Wait for cranking – The charger waits until the engine is actually being cranked before
delivering the 80 amps for engine start. The charger delivers charge at a rate of up to 12
amps while waiting. While waiting for cranking, the digital display will show rdy.
Cranking – When cranking is detected, the charger will automatically deliver up to its
maximum output as required by the starting system for up to 3 seconds or until the
engine cranking stops. The digital display shows a countdown of the remaining crank
time in seconds. It starts at 3 and counts down to 0.
• 7 •
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