DieHard 28.71328 Operator's Manual
0099001445-01
Model / Modelo:
28.71328
Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.
6V/12V Battery Charger
& Engine Starter
Cargador de baterías
6V / 12V y arrancador
OPERATOR’S MANUAL /
MANUAL DEL USUARIO
CAUTION:
Read and follow all safety
rules and operating instructions
before every use of this product.
SAVE THESE INSTRUCTIONS.
ATENCIÓN:
Lea y siga todas las reglas
de seguridad e instrucciones de uso
antes de cada uso de este producto.
GUARDE ESTAS INSTRUCCIONES.
DIEHARD® LIMITED WARRANTY
FOR THREE YEARS from the date of sale, this product is warranted against
defects in material or workmanship when it is operated according to all supplied
instructions.
WITH PROOF OF SALE, return a defective product to the retailer from which it
was purchased 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 1-800-SEARS-64 (1-800-732-7764) TOLL-FREE
FROM 7 AM TO 5 PM CT, MONDAY-FRIDAY.
GARANTÍA LIMITADA DIEHARD
®
DURANTE TRES AÑOS desde la fecha de venta, este producto está garantizado
contra defectos de materiales o mano de obra cuando se opera de acuerdo a las
instrucciones provistas.
CON EL COMPROBANTE DE VENTA, devolver un producto defectuoso a la tienda
donde fue comprado para el reemplazo gratuito.
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
PARA ASISTENCIA AL CLIENTE O REPUESTOS,
LLAME GRATIS AL 7 AM-5 PM CT
LUNES A VIERNES: 1-800-SEARS-64 (1-800-732-7764)
CONTENTS
IMPORTANT SAFETY INSTRUCTIONS ...................................................................................... 4
PERSONAL SAFETY PRECAUTIONS ......................................................................................... 4
PREPARING TO CHARGE ........................................................................................................... 5
CHARGER LOCATION ................................................................................................................. 5
DC CONNECTION PRECAUTIONS ............................................................................................. 5
FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE ................................... 5
FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE ........................................... 6
GROUNDING AND AC POWER CORD CONNECTIONS ........................................................... 6
ASSEMBLY INSTRUCTIONS ....................................................................................................... 6
CONTROL PANEL ......................................................................................................................... 6
OPERATING INSTRUCTIONS ...................................................................................................... 7
DISPLAY MESSAGES ................................................................................................................ 10
MAINTENANCE AND CARE ........................................................................................................ 11
TROUBLESHOOTING .................................................................................................................11
BEFORE RETURNING FOR REPAIRS ...................................................................................... 13
CONTENIDOS
INSTRUCCIONES IMPORTANTES DE SEGURIDAD ................................................................ 14
PRECAUCIONES DE SEGURIDAD PERSONAL ....................................................................... 14
PREPARACIÓN PARA LA CARGA ............................................................................................ 15
UBICACIÓN DEL CARGADOR ................................................................................................... 15
PRECAUCIONES DE CONEXIÓN EN CC ................................................................................. 15
SIGA ESTOS PASOS CUANDO LA BATERÍA ESTÉ COLOCADA EN EL VEHÍCULO .............. 16
SIGA ESTOS PASOS CUANDO LA BATERÍA SE ENCUENTRE FUERA DEL VEHÍCULO ....... 16
CONEXIONES A TIERRA Y ENERGÍA DE CA ........................................................................... 17
INSTRUCCIONES DE MONTAJE ............................................................................................... 17
PANEL DE CONTROL ................................................................................................................. 17
INSTRUCCIONES DE OPERACIÓN .......................................................................................... 18
MUESTRA DE MENSAJES ......................................................................................................... 21
MANTENIMIENTO Y CUIDADO ................................................................................................. 22
LOCALIZACIÓN Y RESOLUCIÓN DE PROBLEMAS ................................................................. 22
ANTES DE DEVOLVER A REPARACIONES .............................................................................. 24
• 4 •
1. IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS.
1.1 SAVE THESE INSTRUCTIONS –
This manual contains important safety
and operating instructions.
1.2 Do not expose the charger to rain or snow.
1.3 Use of an attachment not recommended
or sold by the battery charger
manufacturer may result in a risk of re,
electric shock or injury to persons.
1.4 To reduce the risk of damage to electric
plug and cord, pull by the plug rather than
the cord when disconnecting charger.
1.5 An extension cord should not be used
unless absolutely necessary. Use of
improper 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 plug of extension cord
are the same number, size and shape as
those of plug on charger.
• That extension cord is properly wired and
in good electrical condition; and
• That wire size is large enough for AC
ampere rating of charger as specied in
section 8.
1.6 Do not operate charger with damaged
cord or plug – replace the cord or plug
immediately.
1.7 Do not operate charger if it has received
a sharp blow, been dropped, or otherwise
damaged in any way; take it to a qualied
serviceman.
1.8 Do not disassemble charger; take it to
a qualied serviceman when service or
repair is required. Incorrect reassembly
may result in a risk of electric shock or re.
1.9 To reduce risk of electric shock, unplug
charger from outlet before attempting
any maintenance or cleaning. Turning off
controls will not reduce this risk.
1.10 WARNING: RISK OF EXPLOSIVE
GASES.
a. WORKING IN VICINITY OF A LEAD-
ACID BATTERY IS DANGEROUS.
BATTERIES GENERATE EXPLOSIVE
GASES DURING NORMAL BATTERY
OPERATION. FOR THIS REASON, IT
IS OF UTMOST IMPORTANCE THAT
YOU FOLLOW THE INSTRUCTIONS
EACH TIME YOU USE THE
CHARGER.
b. To reduce risk of battery explosion,
follow these instructions and those
published by battery manufacturer
and manufacturer of any equipment
you intend to use in vicinity of battery.
Review cautionary markings on these
products and on engine.
1.11 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.
Wash hands after handling.
1.12 Keep out of reach of children.
2. PERSONAL SAFETY PRECAUTIONS
2.1 Consider having someone close enough
by to come to your aid when you work
near a lead-acid battery.
2.2 Have plenty of fresh water and soap
nearby in case battery acid contacts skin,
clothing, or eyes.
2.3 Wear complete eye protection and
clothing protection. Avoid touching eyes
while working near battery.
2.4 If battery acid contacts skin or clothing,
wash immediately with soap and water.
If acid enters eye, immediately ood
eye with running cold water for at least
10 minutes and get medical attention
immediately.
2.5 NEVER smoke or allow a spark or ame
in vicinity of battery or engine.
2.6 Be extra cautious to reduce risk of
dropping a metal tool onto battery. It might
spark or short-circuit battery or other
electrical part that may cause explosion.
2.7 Remove personal metal items such as
rings, bracelets, necklaces, and watches
when working with a lead-acid battery. A
lead-acid battery can produce a shortcircuit current high enough to weld a ring
or the like to metal, causing a severe burn.
2.8 Use charger for charging only LEADACID, AGM and GEL-type rechargeable
batteries with rated capacities of 24Ah
(6V) and 44-75Ah (12V). It is not intended
to supply power to a low voltage electrical
system other than in a starter-motor
application. Do not use 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.
2.9 NEVER charge a frozen battery.
• 5 •
3. PREPARING TO CHARGE
3.1 If necessary to remove battery from
vehicle to charge, always remove
grounded terminal from battery rst. Make
sure all accessories in the vehicle are off,
so as not to cause an arc.
3.2 Be sure area around battery is well
ventilated while battery is being charged.
3.3 Clean battery terminals. Be careful to
keep corrosion from coming in contact
with eyes.
3.4 Add distilled water in each cell until
battery acid reaches level specied by
battery manufacturer. Do not overll. For a
battery without removable cell caps, such
as valve regulated lead acid batteries,
carefully follow manufacturer’s recharging
instructions.
3.5 Study all battery manufacturer’s
specic precautions while charging and
recommended rates of charge.
3.6 Determine voltage of battery by referring
to car owner’s manual and make sure that
output voltage selector switch is set at
correct voltage. If charger has adjustable
charge rate, charge battery initially at
lowest rate.
4. CHARGER LOCATION
4.1 Locate charger as far away from battery
as DC cables permit.
4.2 Never place charger directly above
battery being charged; gases from battery
will corrode and damage charger.
4.3 Never allow battery acid to drip on
charger when reading electrolyte specic
gravity or lling battery.
4.4 Do not operate charger in a closed-in
area or restrict ventilation in any way.
4.5 Do not set a battery on top of charger.
5. DC CONNECTION PRECAUTIONS
5.1 Connect and disconnect DC output clips
only after setting any charger switches to
“off” position and removing AC cord from
electric outlet. Never allow clips to touch
each other.
5.2 Attach clips to battery and chassis, as
indicated in sections 6 and 7.
6. FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE
A SPARK NEAR THE BATTERY MAY
CAUSE A BATTERY EXPLOSION. TO
REDUCE THE RISK OF A SPARK NEAR
THE BATTERY:
6.1 Position AC and DC cords to reduce risk
of damage by hood, door, or moving
engine part.
6.2 Stay clear of fan blades, belts, pulleys, and
other parts that can cause injury to persons.
6.3 Check polarity of battery posts. POSITIVE
(POS, P, +) battery post usually has larger
diameter than NEGATIVE (NEG, N,–) post.
6.4 Determine which post of battery is
grounded (connected) to the chassis. If
negative post is grounded to chassis (as
in most vehicles), see (6.5). If positive
post is grounded to the chassis, see (6.6).
6.5 For negative-grounded vehicle, connect
POSITIVE (RED) clip from battery charger
to POSITIVE (POS, P, +) ungrounded post
of battery. Connect NEGATIVE (BLACK)
clip to vehicle chassis or engine block
away from battery. Do not connect clip to
carburetor, fuel lines, or sheet-metal body
parts. Connect to a heavy gauge metal
part of the frame or engine block.
6.6 For positive-grounded vehicle, connect
NEGATIVE (BLACK) clip from battery
charger to NEGATIVE (NEG, N, –)
ungrounded post of battery. Connect
POSITIVE (RED) clip to vehicle chassis
or engine block away from battery. Do
not connect clip to carburetor, fuel lines,
or sheet-metal body parts. Connect to a
heavy gauge metal part of the frame or
engine block.
6.7 When disconnecting charger, turn
switches to off, disconnect AC cord,
remove clip from vehicle chassis, and
then remove clip from battery terminal.
6.8 See Operating Instructions for length of
charge information.
• 6 •
7. FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE
A SPARK NEAR THE BATTERY MAY
CAUSE A BATTERY EXPLOSION. TO
REDUCE THE RISK OF A SPARK NEAR
THE BATTERY:
7.1 Check polarity of battery posts. POSITIVE
(POS, P, +) battery post usually has a larger
diameter than NEGATIVE (NEG, N, –) post.
7.2 Attach at least a 24-inch-long 6-gauge
(AWG) insulated battery cable to
NEGATIVE (NEG, N, –) battery post.
7.3 Connect POSITIVE (RED) charger clip to
POSITIVE (POS, P, +) post of battery.
7.4 Position yourself and free end of cable as
far away from battery as possible – then
connect NEGATIVE (BLACK) charger clip
to free end of cable.
7.5 Do not face battery when making nal
connection.
7.6 When disconnecting charger, always do
so in reverse sequence of connecting
procedure and break rst connection
while as far away from battery as
practical.
7.7 A marine (boat) battery must be removed
and charged on shore. To charge it on
board requires equipment specially
designed for marine use.
8. GROUNDING AND AC POWER CORD CONNECTIONS
This battery charger is for use on a
nominal 120 volt circuit. 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.
DANGER: 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.
USING AN EXTENSION CORD
The use of an extension cord is not
recommended. If you must use an
extension cord, follow these guidelines:
• Pins on plug of extension cord must be
the same number, size, and shape as
those of plug on charger.
• Ensure that the extension cord is
properly wired and in good electrical
condition.
• Wire size must be large enough for
the AC ampere rating of charger, as
specied:
Length of cord (feet) 25 50 100 150
AWG* size of cord 18 16 14 14
*AWG-American Wire Gauge
9. ASSEMBLY INSTRUCTIONS
9.1 Remove all cord wraps and uncoil the cables prior to using the battery charger.
10. CONTROL PANEL
DIGITAL DISPLAY
The digital display indicates the status of
the battery and charger. See the Display
Messages section for a complete list of
messages.
NOTE: During charging, the display will
go into sleep mode and will not show the
percentage of charge or voltage of the
battery. To turn the display back on, press
the Display button.
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’s
battery clamps.
• Alternator % – The digital display shows
an estimated output percentage of the
vehicle’s charging system connected to
the charger’s battery clamps, compared
to a properly functioning system. The
alternator percent range is from 0 to
100%. Readings below 0 (13.2 volts) will
read LOW and readings above 100%
(14.6 volts) will read HI.GH. If you get a
HI.GH or LOW reading, have the electrical
system checked by a qualied technician.
• Voltage – The Digital Display shows the
voltage at the charger battery clamps,
in DC volts, prior to charging. During
charging, it shows the auto-detected
battery charge voltage.
• 7 •
RATE SELECTION BUTTON
Use this button to select one of the
following:
• 6<>2A CHARGE/MAINTAIN –
For charging small and large batteries. Not
recommended for industrial applications.
• 40<>15A BOOST – For quickly adding
energy to a severely discharged or
large capacity battery prior to ENGINE
START. The unit will automatically switch
to 6<>2A CHARGE/MAINTAIN after the
BOOST operation has completed.
• 125A ENGINE START – Provides
additional amps for cranking an engine
with a weak or run-down battery. Always
use in combination with a battery.
NOTE: Once the charger has started
charging the battery, if you press the Rate
Selection button once, the output current
is shut off and the display will show OFF
and then the battery voltage. If you press
the Rate Selection button again, the
current will go back on at the same setting
it was when it was turned off.
LED INDICATORS
REVERSED (red) LED ashing: The
connections are reversed.
CHARGING (yellow/orange) LED lit:
The charger is charging the battery.
CHARGING (yellow/orange) LED
ashing: The charger is in abort mode.
CHARGED/MAINTAINING (green) LED
pulsing: The battery is fully charged and
the charger is in maintain mode.
NOTE: See Operating Instructions for a
complete description of the charger modes.
BATTERY TYPE BUTTON
Use this button to set the type of battery.
• Standard – Used in cars, trucks and
motorcycles, these batteries have
vent caps and are often marked “low
maintenance” or “maintenance-free”.
This type of battery is designed to
deliver quick bursts of energy (such as
starting engines) and has a greater plate
count. The plates are thinner and have
somewhat different material composition.
Standard batteries should not be used for
deep-cycle applications.
• AGM – The Absorbed Glass Mat
construction allows the electrolyte to
be suspended in close proximity with
the plate’s active material. In theory,
this enhances both the discharge and
recharge efciency. The AGM batteries
are a variant of Sealed VRLA (valve
regulated lead-acid) batteries. Popular
uses include high-performance engine
starting, power sports, deep-cycle, solar
and storage batteries.
• GEL – The electrolyte in a Gel cell has a
silica additive that causes it to set up or
stiffen. The recharge voltages on this type
of cell are lower than those for other styles
of lead-acid battery. This is probably the
most sensitive cell in terms of adverse
reactions to overvoltage charging. Gel
batteries are best used in VERY DEEP
cycle application and may last a bit longer
in hot weather applications. If the wrong
battery charger is used on a gel cell
battery, poor performance and premature
failure will result.
• DieHard Platinum – Select this option
only if your battery is a DieHard Platinum
battery.
11. OPERATING INSTRUCTIONS
WARNING: A spark near battery may
cause an explosion.
IMPORTANT: Do not start the vehicle with
the charger connected to the AC outlet, or
it could damage the charger.
NOTE: This charger is equipped with
an auto-start feature. Current will not be
supplied to the battery clamps until a
battery is properly connected. The clamps
will not spark if touched together.
CHARGING A BATTERY IN THE VEHICLE
1. Turn off all the vehicle’s accessories.
2. Keep the hood open.
3. Clean the battery terminals.
4. Place the charger on a dry, non-
ammable surface.
5. Lay the AC/DC cables away from any
fan blades, belts, pulleys and other
moving parts.
6. Connect the battery, following the
precautions listed in sections 6 and 7.
7. Connect the charger to an electrical
outlet.
• 8 •
8. When the charger starts, the display
will show DIEHARD.
9. Select the battery type and the
desired rate. Charging will then begin
automatically. See section 12 for
CHARGING message details.
10. The yellow/orange LED will light, and
the display will show ANALYZING
BATTERY while the charger determines
that the battery is properly connected
and the condition of the battery.
11. When charging is complete, disconnect
the charger from the AC power, remove
the clamps from the vehicle’s chassis,
and then remove the clamp from the
battery terminal.
CHARGING A BATTERY OUTSIDE
OF THE VEHICLE
1. Place battery in a well-ventilated area.
2. Clean the battery terminals.
3. Connect the battery, following the
precautions listed in sections 6 and 7.
4. Connect the charger to the electrical
outlet.
5. When the charger starts, the display
will show DIEHARD.
6. Select the battery type and the
desired rate. Charging will then begin
automatically. See section 12 for
CHARGING message details.
7. The yellow/orange LED will light, and
and the display will show ANALYZING
BATTERY while the charger determines
that the battery is properly connected
and the condition of the battery.
8. When charging is complete,
disconnect the charger from the AC
power, disconnect the negative clamp,
and nally the positive clamp.
9. A marine (boat) battery must be
removed and charged on shore.
AUTOMATIC CHARGING MODE
When an Automatic Charge is performed,
the charger switches to the maintain mode
automatically after the battery is charged.
BATTERY CONNECTION INDICATOR
If the charger does not detect a properly
connected battery, charging will not start
and the digital display will show one
of two messages. If the display shows
CONNECT CLAMPS, make sure the
charger is connected to the battery and
the connection points are clean and
making a good connection. If the display
shows WARNING CLAMPS REVERSED,
unplug the charger from the AC outlet and
reverse the connections at the battery.
CHARGE COMPLETION AND MAINTAIN
MODE (FLOAT MODE MONITORING)
Charge completion is indicated by
the pulsing green LED and the digital
display showing FULLY CHARGED
AUTO MAINTAINING. This means that
the charger has stopped charging and
has switched to the Maintain Mode of
operation. NOTE: If the charger has to
provide its maximum maintain current for
a continuous 12 hour period, it will go into
Abort Mode (see Aborted Charge section).
This is usually caused by a drain on the
battery, or the battery could be bad. Make
sure there are no loads on the battery. If
there are, remove them. If there are none,
have the battery checked or replaced.
MAINTAINING A BATTERY
The 28.71328 maintains 6 and 12 volt
batteries, keeping them at full charge.
It is not recommended for industrial
applications.
NOTE: The maintain mode technology
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 current draws. As such,
occasionally monitoring your battery and
the charging process is required.
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 up to 8 hours. If desulfation
fails, charging will abort, the yellow/orange
LED will ash, and the display will show
CHARGING ABORTED BAD BATTERY.
ABORTED CHARGE
If charging cannot be completed normally,
charging will abort. When charging aborts,
the charger’s output is shut off, the yellow/
orange LED will ash, and the display
will show CHARGING ABORTED BAD
BATTERY. To reset after an aborted
charge, unplug the charger from the outlet,
wait a few moments and plug it back in.
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