Sears Battery Charger 20071233 User Guide

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  
 
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
 
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
 
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
 
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
 
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
 
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
 
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
 
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
 
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  
 
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  
 
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  
NR  
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  
 
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  
 
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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