OWNER’S MANUAL
®
BATTERY CHARGER
50/15/2 Amp
Manual
ENGINE STARTER
With Battery Tester and
Air Compressor
225/125 Amp
Model No.
200.71233
CAUTION:
Read all Safety Rules and Operating Instructions,
and follow them with each use of this product.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
00-99-000538/0506
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Important Safety Instructions
– SAVE THESE INSTRUCTIONS –
To reduce the risk of explosion, explosive gases, or injury while
using your battery charger, follow the precautions listed below:
WARNING
• Read all instructions and cautions printed on the
battery charger, battery, and vehicle or equipment
using battery.
• Do not disassemble charger. Take it to a
qualified service professional if service or repair
is required. Incorrect assembly may result in fire
or electrical shock.
• Use charger only on lead-acid type rechargeable
batteries, such as those used in cars, trucks,
tractors, airplanes, vans, RVs, trolling motors, etc.
This charger is not intended to supply power to a
low voltage electrical system other than in an
automotive application.
• To reduce risk of electrical shock, unplug the
charger from the outlet before attempting any
maintenance or cleaning.
• Always charge battery in a well ventilated area.
• Use only attachments recommended or sold by
manufacturer. The use of attachments not recom-
mended by the manufacturer may result in fire,
electric shock, or injury.
• Wear complete eye and clothing protection when
working with lead-acid batteries.
Help us help you
REMEMBER:
• Be sure that someone is within range of your voice
to come to your aid if needed while you work with or
are near a lead-acid battery.
• Place charger as far away from battery being
charged as the charger cables will permit.
• Do not expose charger to rain or snow.
• Have plenty of fresh water and soap nearby for
use in case battery acid contacts your eyes, skin, or
clothing. If this happens, wash immediately with
soap and water. Then get medical attention.
• Never charge a frozen battery. If battery fluid
(electrolyte) becomes frozen, bring battery into a
warm area to thaw before you begin charging.
• Never allow battery acid to drip on charger when
reading specific gravity or filling battery.
• Avoid touching your eyes while working with a
battery. Acid particles (corrosion) may get into your
eyes. If this occurs, flush eyes immediately with
running cold water for at least 10 minutes. Then
immediately get medical attention.
• Never set a battery on top of the charger.
• Never place charger directly above battery being
charged. The gases from the battery will corrode
and damage the charger.
• Remove all personal metal items from your body,
such as rings, bracelets, necklaces, and watches
while working with a lead-acid battery. A battery can
produce a short circuit current high enough to weld a
ring (or the like) to metal, causing a severe burn.
• Never use charger for charging dry-cell batteries
that are commonly used with home appliances.
These batteries may burst and cause personal
injury.
• Take care not to drop any metal tool or metal object
onto the battery. This may spark or short circuit the
battery or another electrical device that may cause
an explosion.
• Never touch the battery clamps together when the
charger is energized.
• Never operate charger if it has received a hard blow,
been dropped, or otherwise damaged. Take it to a
qualified professional for inspection and repair.
• Always operate your battery charger in an open,
well ventilated area.
• Be sure to position the charger power cord to
prevent it from being stepped on, tripped over, or
damaged.
• Never smoke or allow a spark or flame in the vicinity
of the battery or engine. Batteries generate explo-
sive gases.
• Never pull out the plug by the cord when unplugging
the charger. Pulling on the cord may cause damage
to the cord or the plug.
• Neutralize any acid spills thoroughly with baking
soda before attempting to clean up.
• WARNING: Handling the cord on this product or
cords associated with accessories sold with this
product, may expose you to lead, a chemical known
to the State of California to cause cancer and birth
defects or other reproductive harm. Wash hands
after handling.
• Do not operate the charger if it has a damaged
power cord or plug. Have the cord replaced.
Personal Safety Precautions
For your own personal safety, please follow the
following precautions:
2
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Parts
This section shows an illustration of your battery charger. Use it to become familiar with where all the parts are
located, and what they look like.
13
1
Replacement Parts List DieHard 71233
ITEM
PART NUMBER
DESCRIPTION
2
1
2
Handle
3599000286
3899001519
3899001520
90026140
Positive (RED) Cable w/clamps
3
Negative (BLACK) Cable w/clamps
Power Cord
4
5
4
2299001478
5
Compressor Hose Assembly
3
2299001479
3999000110
2299001470
93026584
6
6
Compressor
7
Circuit Breaker
7
8
8
Power Board/Heatsink Assembly
Transformer
11
9
9
10
11
12
13
14
15
16
17
18
19
Fan Motor
0099000360
2299001076
0099000080
0399000018
0099000066
1199003352
2299001480
0899002633
0400000037
0099000538
11
Hardware Kit
Wheel
17
15
18
10
Handle Grip
Axle
14
11
Mounting Foot
11
Control Board w/Air Sensor
12
Faceplate
16
Rocker Switch ON-OFF-ON
Owner's Manual
Wiring Diagram
3
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Before Using Your Battery Charger
It is important to prepare your charger for use. This section will tell you how to assemble the charger, ground
and connect the power cord, and prepare to charge a battery.
Assembling your charger
It is important to fully assemble your charger before use.
Follow these instructions for easy assembly.
PARTS:
TOOLS NEEDED:
Two, 10-32 thread cutting
screws
3/8" wrench
(for mounting foot)
Two, 1/4-20 thread cutting
screws
5/16" wrench
(for wheels)
Two wheels
One axle
Hammer
Screwdriver
(for handle assembly)
Two axle caps
Two axle brackets
One handle
One handle grip
One mounting foot
Attach Foot:
Remove charger from packing materials and place
charger face down. Attach mounting foot and secure
with the two, 1/4-20 thread cutting screws provided.
Axle Assembly:
Hold axle upright on floor or work surface. Then, using
a hammer, tap one of the axle caps onto
the top end of the axle. Be sure to tap the hub on
straight. Slide both wheels onto the axle with the
hubs facing inward. Tap the other axle cap onto the
opposite end of the axle and place the axle assembly
onto the bottom of the charger.
continued on next page
4
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Axle Assembly (continued):
Place the charger on its side. Place one end of each
bracket into slot, then place the axle assembly under
each bracket. Fasten the other side of each bracket
using the two, 10-32 thread cutting screws provided.
Handle:
Turn the charger right side up onto its foot and wheels.
Remove the two top screws from each side of the
charger. Align the handle so the screw holes are
aligned with the screw holes on each side of the wheel
charger. Attach handle using the same screws.
Plugging it in
WARNING
Electrical Shock Hazard
Be sure that power cord fits properly into outlet.
If not, have a qualified technician install a proper
outlet. Never alter the AC cord or plug provided.
Improper connection can result in electrical shock.
Your charger should be grounded to reduce the
risk of electrical shock.
Your charger is equipped with an electrical cord that
has an equipment grounding conductor and a ground-
ing plug designed to be used on a 120 volt circuit. The
plug must be plugged into an outlet that has been
properly installed and grounded in accordance with all
local codes and ordinances.
5
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Using an extension cord
The use of an extension cord is not recommended. If
you must use an extension cord, please make sure
that you follow these guidelines:
• Use the recommended minimum AWG (American
Wire Gauge) to be sure that wire size is large
enough for the rating of the charger.
• Make sure the pins on the plug of the extension cord
are the same number, size, and shape as those of
the plug on the charger.
MINIMUM RECOMMENDED EXTENSION CORD
Length of Cord, in Feet
25
50
100 150
• Use only 3-conductor (grounded) extension cord
when necessary.
AWG* Size of Cord
16
14
10
8
• Check that the extension cord is properly wired and
in good electrical condition.
*AWG=American Wire Gauge
Preparing your battery to be charged
It is important that you read and follow these guide-
lines while you are preparing to charge your battery.
• Wear safety glasses. See additional "Personal
Safety Precautions" on page 2.
• Make sure that you have a 12 volt or 6 volt lead-acid
battery.
• Be sure that the area around the battery is well
ventilated while it is being charged. If ventilation is
poor, any gases emitted from the battery can be
manually blown away by using a piece of cardboard
or other non-metallic material as a fan.
• Clean the battery terminals. Be careful to keep
corrosion from getting in or around your eyes or on
your hands.
• If it is necessary to remove the battery from the
vehicle to charge it, always remove the grounded
terminal from the battery first. A spark may be
caused if all accessories in the vehicle are not
completely turned off.
• If you have a battery with removable cell caps, if
required, add distilled water to each cell until the
battery acid reaches the level indicated by the
manufacturer. This will help purge excessive gases
from the cells. Be careful not to overfill. If you have a
sealed battery without cell caps, no action is neces-
sary. Continue to the next step listed below.
NOTE: A marine battery installed in a boat must be
removed and charged on shore.
• Take time to read all battery manufacturer’s specific
precautions, such as removing or not removing
cell caps while charging, and recommended rates
of charge.
Maintenance and care
A minimal amount of care can keep your battery
charger working properly for years.
1. Clean the clamps each time you are finished
charging. Wipe off any battery fluid that may have
come in contact with the clamps to prevent
corrosion.
2. Coil the input and output cords neatly when storing
the charger. The cords can be wrapped around
the handle of the charger. This will help prevent
accidental damage to the cords and charger.
3. Occasional cleaning of the case of the charger
with a soft cloth will keep the finish shiny and help
prevent corrosion.
6
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Using Your Battery Charger
To obtain the best results from your battery charger, you must know how to use it properly. This section tells how
to set the controls and how to charge a battery in and out of the vehicle.
Setting the controls
Follow these instructions to obtain the accurate charge
level for your battery.
BATTERY TEST
The Battery Test is based on the terminal voltage of
the battery. If the battery is installed in the vehicle,
make sure the engine and all accessories are turned
off before testing.
TOUCH PAD CONTROLS AND DIGITAL DISPLAY
The touch pad controls and digital display for your
Timer Controlled 71233 Battery Charger and Engine
Starter are located on the front control panel. The
digital display shows volts, amps, timer minutes, air
pressure OFFand HLD. The LEDs indicate which
function is active. The touch pad controls and digital
display are explained in detail by function.
1. Push the switch located on the front panel to
CHARGE/TEST.
2. Press the DISPLAY MODE SELECTOR button
and select VOLTAGE.
3. Hook the battery clamps to the battery as outlined
in “Charging Your Battery” on page 10.
4. The digital display will show the voltage of the
battery:
BATTERY CHARGE
The Battery Charger charges 6V and 12V batteries.
Verify the nominal voltage of your battery before
charging the battery. It is important to read and follow
“Charging Your Battery” instructions on page 10. After
the clamp connections are made, you can start
charging the battery.
12V BATTERY VOLTAGES
12.8 or more volts
12.2 – 12.8 volts
12.2 or less volts
=
=
=
Charged battery
Battery needs charging
Discharged battery, needs
charging
1. Connect clamp to battery. Plug the power cord of
the charger into a 3-prong grounded AC wall
outlet.
2. Push the switch located on the front panel
CHARGE SELECTOR/AIR COMPRESSOR to
CHARGE/TEST.
6V BATTERY VOLTAGES
6.4 or more volts
6.1 – 6.4 volts
=
=
=
Charged battery
Battery needs charging
Discharged battery, needs
charging
6.1 or less volts
3. Push the VOLT AND CHARGE RATE SELEC-
TOR button until the desired voltage and amps
LED illuminates. The charging process will begin
for the amount of time set on the timer.
4. To turn OFF the charger, push the switch located
on the front panel CHARGE SELECTOR/AIR
COMPRESSOR to OFF. The charging process
will stop.
5. Unplug the power cord from the AC wall outlet.
6. Disconnect the battery charging clamps in the
proper order as outlined in “Charging Your Battery”
on page 10.
NOTE: If, after charging, the battery does not hold a
charge, have the battery tested by a qualified techni-
cian.
ALTERNATOR/GENERATOR TEST
1. Push the switch located on the front panel to
CHARGE/TEST.
2. Press the DISPLAY MODE SELECTOR button
and select VOLTAGE. (The display will show the
voltage of the battery.)
3. Hook the battery clamps to the battery, as outlined
in “Charging Your Battery” on page 10.
4. Start the engine and while it is at a fast idle, read
the digital display.
NOTE: The battery should be in a good state of
charge before doing this test.
DIGITAL
DISPLAY
3-WAY
SWITCH
7
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3. Connect the battery charger as outlined in “Charg-
ing Your Battery” on page 10. The voltage will be
displayed.
12V ALTERNATOR/GENERATOR DISPLAY
14 – 15 volts
12.8 or less volts
=
=
Good condition
Check with qualified
technician
NOTE: If a battery has recently been charged or in
a vehicle that has been run recently, turn on the
vehicle’s headlights for a few minutes before
reading the meter to avoid getting a false reading
from a surface charge.
12.8 - 14 volts or
15 volts or more
=
See vehicle owner’s
manual
NOTE: If the digital display reads less than 12.8 volts,
the charging system may have loose fan belts, a
defective voltage regulator or alternator. Additional
tests may be required to find the exact cause. Take
the vehicle to a qualified service center.
4. Turn off vehicle’s headlights and read the digital
display.
5. To turn OFF the charger, push the switch located on
the front panel to OFF. The charger will shut off.
6. Unplug the power cord from the AC wall outlet.
7. Disconnect the battery charging clamps as out-
lined in “Charging Your Battery” on page 10.
6V ALTERNATOR/GENERATOR DISPLAY
7 – 7.5 volts
6.4 or less volts
=
=
Good condition
Check with qualified
technician
TIMER
6.4 - 7 volts or
7.5 volts or more
=
See vehicle owner’s
manual
The timer is designed to allow the battery to be
charged for a designated amount of time. To accu-
rately charge your battery, you must know the size of
the battery in ampere hours or reserve capacity in
units, as well as the state of charge. Since this infor-
mation is not known by the charger, the timer limit is
set at 2.25 hours to prevent the battery from over-
charging to a point where it can be severely damaged.
If you do not know the charge state of your battery, set
the timer at one hour or less.
VOLT AND CHARGE RATE SELECTOR
The VOLT AND CHARGE RATE SELECTOR allows
you to select the correct battery voltage and amp draw
rate to match your charging needs. Read the following
operating instructions for making the proper settings
for charging a battery.
When you first start charging a battery, the amp
reading will be high. As the battery becomes charged,
the reading will decrease.
TO SET THE TIMER:
1. Press the ꢀ symbol for less time and the ꢁ
symbol for more time.
2. The Timer LED will light and digital display will
show the time in minutes.
3. To turn the timer off, press the ꢀ symbol until the
digital display reads OFF, or, push the CHARGE
SELECTOR/AIR COMPRESSOR switch to OFF.
To determine the amount of amps being drawn by the
battery:
1. Press the DISPLAY MODE button until the AMPS
LED lights.
a. As the battery charges at 50 amps, the reading
will decrease to 15 or 20 amps at full charge.
You should stop charging the battery at this
time.
TIMER HOLD
b. When charging at 15 amps, the display should
show 15 amps for a discharged battery and 7-8
amps for a fully charged battery. You should
stop charging the battery at this time.
c. At the 2 amp charge rate, little or no display
change will occur.
NOTE: The digital display will read OLor Overload
if more than 50 Amps are supplied to the battery.
Overload means too high a charging rate. Lower
the charging rate to continue.
The Timer Hold feature overrides the timer allowing
the charger to continue charging for over 2.25 hours.
This feature is most often used when the charging rate
is 2 or 15 amps. Using this feature requires closely
monitoring the charge time and turning off the charger
when the battery is fully charged.
NOTE: When the battery is fully charged, the charger
and timer will NOT automatically turn off. It is impor-
tant to monitor the charge level. Not doing so may
cause damage to your battery.
To determine an accurate reading of your battery’s
voltage before you charge:
To activate the hold feature:
1. Press the ꢀ symbol until the Digital Display reads
1. Push the switch located on the front panel
CHARGE SELECTOR/AIR COMPRESSOR to
CHARGE.
2. Press the DISPLAY MODE button so the VOLT-
AGE LED lights.
HLD.
2. To release the Timer Hold, press the ꢁ until the
digital display reads OFFor, push the CHARGE
SELECTOR/AIR COMPRESSOR switch to OFF.
DIGITAL
DISPLAY
3-WAY
SWITCH
8
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Using the compressor
CAUTION – Read instructions of the product being
inflated before using the compressor. Avoid over
inflation, do not exceed the manufacturer’s recom-
mended pressures. Do not leave the air compressor
unattended during use.
4. The air compressor will run for a maximum of 15
minutes or it may automatically shut down sooner
if a high load causes it to overheat. It will then cool
for 20 minutes. The digital display will read HOT.
After 20 minutes, the air compressor will automati-
cally restart.
5. If HOTreads on the digital display when first using
the compressor, leave the charger on for one
minute and the compressor will restart.
NOTE: The 12 volt compressor is rated for 120 PSI.
The compressor will not start at pressure greater than
80 PSI.
To use the air compressor:
6. To turn off the air compressor, push the switch
located on the front panel to OFF.
1. If necessary, unscrew the valve stem cap from the
tire.
ESTIMATED TIME FOR INFLATING
2. Attach the brass nozzle of the compressor hose
and thread onto the tire stem until it is secure.
3. To start the air compressor, push the switch
located on the front panel to AIR COMPRESSOR.
The Air Pressure/PSI LED will light and the PSI
will show in the digital display.
Car Tire P205/75R14
Truck Tire 265/75R16
Bike Tire 26 x 1.95 In.
1 - 8 minutes
2 - 15 minutes
30 seconds to 2 minutes
Read the LED display to ensure proper pressure has
been reached. Do not over inflate.
Using the engine start feature
The Engine Start is a feature to help start the engine
of your vehicle:
5. After the engine starts, push the switch located on
the front panel to OFF. Unplug the charger power
cord from the wall outlet.
6. Disconnect the output clamps from the battery.
1. Push the switch located on the front panel to
CHARGE/TEST.
7. Clean and store the charger in a dry location.
2. Push SELECT BUTTON and choose 125A
START (6 volt) or 225A START (12 volt). The
ENGINE START feature will deliver 125 amps to
help crank a 6-volt system and 225 amps to help
crank a 12-volt system.
3. Push the ꢁ symbol located in the Timer Set Time
section until the number 5is displayed.
4. Crank the engine for no more than 5 seconds. If
it does not start, wait three minutes before
cranking again for no more than 5 seconds.
NOTE: During extremely cold weather, or if the
battery is severely exhausted, charge the battery
for about 5 minutes in the 50 amp setting before
cranking the engine.
IMPORTANT: Do not try to start the engine without a
battery in it. You could cause damage to the electrical
system.
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.
DIGITAL
DISPLAY
3-WAY
SWITCH
9
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Charging Your Battery
NOTE: A marine (boat) boat battery must be removed
and charged on shore. To charge it on board requires
equipment specially designed for marine use.
To charge a positive grounded post system:
Connect the black (NEGATIVE) battery charger
clamp to the NEGATIVE (NEG,N,–) ungrounded
post of the battery. Then connect the red (POSI-
TIVE) clamp to a heavy unpainted metal part of
the chassis or engine block, away from the
battery. Do not connect clamp to carburetor, fuel
lines, or sheet metal parts.
Charging your battery in the vehicle:
1. Arrange the power cord and charging cords care-
fully in order to avoid damage that could be
caused by the hood, door, or moving engine parts.
2. Keep hands, hair, clothing and jewelry clear of the
fan blades, belts, pulleys, and other parts that can
cause injury.
3. Check the polarity of the battery posts using the
identification marks on the battery case: POSI-
TIVE (POS,P, +) and NEGATIVE (NEG,N, –).
IMPORTANT: Wear safety glasses and face
away from the battery while making connections.
6. Twist or rock clamps back and forth to make a
solid connection. This will help make better
contact and help keep them from slipping off and
causing sparks.
7. Make sure the power is set to the OFF position.
Then, plug the power cord into a 3-prong AC wall
outlet.
8. Push the switch located on the front panel to
CHARGE/TEST.
9. Press the VOLT/AMP SELECTOR to the desired
charge position. (See “CHARGE RATE” chart on
page 12 for correct settings.) Charging starts.
10. Press the TIMER to the desired charge time, from
5–135 minutes. If more than 135 minutes of
charging time is needed the HOLD position can be
used. When using the HOLD feature the battery
being charged must be monitored closely to avoid
over charging.
11. When the battery is fully charged, push the switch
located on the front panel to OFF. Unplug the
charger power cord from the wall outlet.
12. Facing away from the battery, remove the charger
clamps in this order: (1) from the vehicle chassis
or engine block (2) from the battery post or
terminal.
NEGATIVE GROUNDED SYSTEM
4. Identify which post of the battery is grounded or
connected to the chassis. THE NEGATIVE POST
IS NORMALLY THE ONE THAT IS GROUNDED.
5. To charge a negative grounded post system:
Connect the red (POSITIVE) battery charger
clamp to the ungrounded POSITIVE (POS,P,+)
post of the battery. Then connect the black
(NEGATIVE) clamp to a heavy metal part of the
chassis or engine block, away from the battery. Do
not connect clamp to carburetor, fuel lines, or
sheet metal parts.
13. Clean and store the battery charger in a dry
location.
10
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5. Take the other end of the 6-gauge (AWG) insu-
lated battery cable (at least 24-inches in length),
and, standing as far away from the battery as
possible, connect the black (NEGATIVE) charger
clamp to the free end of the cable. Be sure to rock
the clamp back and forth to make a solid connec-
tion.
Charging your battery outside the vehicle:
NOTE: A marine (boat) must be removed and charged
on shore. To charge it on board requires equipment
specially designed for marine use.
1. Remove battery from vehicle, making sure to dis-
connect grounded terminal first with all power
turned off to the vehicle.
2. Check the polarity of the battery posts as indicated
on the battery case: POSITIVE (POS,P,+) and
NEGATIVE (NEG,N,–).
IMPORTANT: Wear safety glasses and face
away from battery while you are making the final
connection.
6. Make sure the power is set to the OFF position.
Then, plug the power cord into a grounded 3-
prong AC wall outlet.
NOTE: On top-post batteries, the positive battery
terminal usually has a larger diameter than the
negative one.
7. Push the switch located on the front panel to
3. Connect the red (POSITIVE) charger clamp to the
POSITIVE post of the battery. Be sure to rock the
clamp back and forth to make a solid connection.
4. Attach at least a 6-gauge (AWG) insulated battery
cable of at least 24-inches in length to the NEGA-
TIVE battery post. This cable will provide a safer
connection because any arcing and sparking will
not occur directly over the battery. (The battery
cable is not provided with the charger but may be
purchased at most automotive accessory outlets.)
CHARGE.
8. Press the TIMER to the desired charge time, from
30-135 minutes. If more than 135 minutes of
charging time is needed the hold position can be
used. When using the HOLD feature the battery
being charged must be monitored closely to avoid
over-charging.
9. Press the VOLT/AMP SELECTOR to the desired
charge position. (See “CHARGE RATE” chart on
page 12 for correct settings.)
10. When the battery is fully charged, turn OFF the
timer, then push the switch located on the front
panel to OFF. Unplug the charger power cord from
the wall outlet.
11. Face away from battery and remove the charger
clamps from the NEGATIVE end of the cable first,
then from the POSITIVE post.
Negative
Positive
(+)
(-)
12. Clean and store the battery charger.
11
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Calculating charge times
The Chart Method
• Marine, or deep-cycle batteries are usually rated in
Reserve Capacity (RC).
Use the following table to more accurately determine
the time it will take to bring a battery to full charge.
First, identify where your battery fits into the chart.
• NR means that the charger setting is NOT RECOM-
MENDED.
• Small batteries — motorcycles, garden tractors, etc.
— are usually rated in Ampere Hours (AH). For
example: 6 to 12 AH, or 12 to 32 AH.
Find your battery’s rating on the chart below and note
the charge time given for each charger setting. The
times given are for batteries with a 50-percent charge
prior to recharging. Add more time for severly dis-
charged batteries.
• Batteries in cars and smaller trucks are usually rated
in Reserve Capacity (RC), Cold-Cranking Amps
(CCA), or both.
CHARGE RATE/CHARGING TIME - HOURS
BATTERY SIZE/RATING
2 AMP
2 - 4
4 - 10
11 - 14
14 - 18
18 - 35
18
15 AMP
NR
50 AMP
NR
Motorcycle, garden
tractor, etc.
6 - 12 AH
12 - 32 AH
40 - 60 RC
60 - 85 RC
85 -190 RC
80 RC
SMALL
BATTERIES
NR
NR
200 - 315 CCA
315 - 550 CCA
550 - 1000 CCA
90 - 120 min.
120 - 130 min.
2.5 - 4.5
130 min.
3.5
30 - 40 min.
40 - 45 min.
45 - 90 min.
NR
CAR/TRUCKS
MARINE/DEEP CYCLE
140 RC
27
NR
30
4.0
NR
160 RC
33
4.5
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180 RC
To calculate time needed for a charge:
The Hydrometer or Electronic Method
To find the time needed to fully charge your battery,
determine the battery’s charge level with a hydrometer
or electronic Percent-of-Charge Tester. The following
table will help you convert hydrometer readings to
percent of charge values.
• Find the percent of charge needed. (A battery at 50
percent charge that will be charged to 100 percent
needs another 50 percent (.50).
• Multiply the Amp Hour rating by the charge needed
(.50) and divide by the charger setting
(2/15/50 amps).
• Multiply the result by 1.25 and you’ll have the time
needed, in hours, to bring the battery to full charge.
SPECIFIC
GRAVITY OF CHARGE
PERCENT
PERCENT OF
CHARGE NEEDED
• Add one additional hour for a deep-cycle battery.
1.265
1.225
1.155
1.120
100%
75%
25%
0%
0%
25%
75%
100%
Example:
Amp Hour Rating x % of charge needed x 1.25 = hours
Charger Setting
of
charge
1
00 (AH Rating) x .50 (charge needed) x 1.25 = 4.16666
15 (Charger Setting) hours
When you know the percent of charge and the Amp
Hour (AH) rating of your battery, you can calculate the
approximate time needed to bring your battery to a full
charge.
100 x .50 = 3.3333 x 1.25 = 4.16666
15
To convert Reserve Capacity to Amp Hours, divide
Reserve Capacity by 2, and add 16:
You would need to charge your 100-Ampere Hour
Battery for a little more than 4 hours at the 15-Amp
charge rate using the above example.
Amp Hours = Reserve Capacity + 16
2
NOTE: The Reserve Capacity can be obtained from
the battery specification sheet or the owner’s manual.
12
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Troubleshooting
Performance problems often result from little things that you can fix yourself. Please read through this table for a
possible solution if a problem occurs.
PROBLEM
POSSIBLE CAUSE
AC cord and/or extension Check AC outlet and extension cords for loose fitting
cord is loose. plug.
SOLUTION/REASONS
No reading on Digital
Display, charger fan
not working.
Poor electrical connection. Check for open fuse or circuit breaker supplying AC outlet.
No reading on Digital
Display.
Battery severely
discharged.
Continue to charge battery for another two hours. If
problem continues, call Sears Service at 1-800-SEARS-64.
or
Digital Display does
not change.
DISPLAY MODE SELEC- Check if DISPLAY MODE SELECTOR and SELECT
TOR and SELECT BUT-
TON may have been
selected incorrectly.
BUTTON options are selected correctly.
Battery severely
discharged.
Continue to charge battery for another two hours. If
problem continues, call Sears Service at 1-800-SEARS 64.
Circuit breaker in
charger cycles on
and off with a
Shorted battery clamps.
Circuit breaker cycles when current draw is too high.
Separate the clamps. Check for worn cables and replace
if needed.
clicking sound.
Shorted battery.
Have a Sears Service Center test the battery.
Correct connections.
Charger leads reversed.
Volt/Amp Selector Switch Correct Volt/Amp Selector setting.
set to the START position.
Short start cycle
when cranking
engine.
Drawing more than 225
amps for a period equal to cranking draws more than 225 amps, crank time may be
or less than 5 seconds.
Crank time varies with the amount of current drawn. If
less than 5 seconds.
Failure to wait for 3
minutes (180 seconds)
between cranks.
Wait 3 minutes before next crank.
Digital Display reads
less than selected
charge rate when
charging a discharged Weak cell or sulfated
battery.
Extension cord too long
Use shorter or heavier gauge extension cord.
or wire gauge is too small.
Sulfated battery will eventually take a normal charge after
a period of time. If the battery will not take a charge, have
a Sears Service Center test the battery.
plate in battery.
The battery is only
partially discharged.
Continue to charge battery.
Charger makes a loud Transformer laminations
Continue charging. Buzz is not abnormal.
buzz or hum.
vibrate (buzz).
Digital Display reads
HOT when compressor has expired.
is selected.
Time limit on compressor Let compressor cool down for 20 minutes. It will auto-
matically reset. Turn the compressor switch OFF and
and compressor will reset after 1 minute.
When using air com-
pressor Digital Display 120 PSI.
shows OL.
Total pressure exceeds
Do Not use air compressor at pressures greater than
120 PSI.
Pressure exceeds 80 PSI Start air compressor first, then attach nozzle to high
before air compressor
starts.
pressure load (product to be inflated).
If the above solutions do not eliminate the problem...
call toll-free from anywhere in the U.S.A.
1-800-SEARS-64 (1-800-732-7764)
7 AM to 4:30 PM Central Time Monday through Friday
13
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For information about troubleshooting, call toll-free from anywhere in the
U.S.A. 7 am to 4:30 pm Central Time Monday through Friday.
1-800-SEARS-64 (1-800-732-7764).
14
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