Sears 608 718571 Users Manual

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SEARS

OWNERS

MANUAL

MODEL NO.

608.718571

CAUTION:

Read Rules for

Safe Operation

and Instructions

Carefully

Save These

Instructions

1A P i2AMP 12 VOLT

AUTOMATIC

BATTERY CHARGER

FOR 12 VOLT BATTERIES

Operation

Repair Parts

Sears, Roebuck and Co., Chicago, Illinois 60684 U.S.A. FORM_-135726

THIS MANUALWILL HELPYOUUSEYOURSEARSBATTERYCHARGER

SAFELYANDEFFICIENTLY

WARNING:WORKINGWITHORNEARLEADACID BATTERIESIS DANGEROUS.BATTERIESCONTAINSULFURICACIDAND

PRODUCEEXPLOSIVEGASES.A BATTERYEXPLOSIONCOULDRESULTIN LOSSOF EYESIGHTOR SERIOUS

BURNS.PLEASEREADTHIS ENTIREMANUALCAREFULLYBEFOREUSINGYOURCHARGER.

...................................... ':' FULL12 MONTHWARRANTY,:"................... .'..

ii

j f, withintwelvemonthsfromdateof purchase,thisbatterychargerfailsdueto a defectin materialsorworkmanship, I

isimplyreturnit tothe nearestSearsstorethroughouttheUnitedStates,andSearswillrepairorreplaceit, freeof charge. !

Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstateto state.

L_ Sears,RoebuckandCompany,Dept. 698/731A, Sears IL 60684 I

Y

Tower,Chicago,

.!

IMPORTANTSAFETYINSTRUCTIONS

SAVETHESE INSTRUCTIONS

1. This manual contains important safety and operating instructionsapplicable to the use of battery charger model number

608.718571.

2. Do not exposecharger to rain or snow.

3. Useof an attachmentnot recommendedor sold by the batterycharger manufacturermayresult in a risk of fire, electric shock, or

injury of persons.

4. To reducerisk of damageto electric plug and cord, pull by plug rather than cord when disconnectingcharger.

5. An extensioncord should not beused unlessabsolutelynecessary.Useof improperextensioncord could result in a risk of fire or

electric shock. If extensioncord must be used, makesure:

a. That pins on plug of extensioncord are the samenumber, size, and shapeof those of plug on charger;

b. That extensioncord is properly wired and in goodelectrical condition; and

c. Thatwire in cord is propersizeas follows: Minimum recommendedAWGwire size for variouslength extensioncords usedwith

this charger: Length of Cord, Feet 25 50 100 150

AWGSize 18 18 16 14

6. Do not operatecharger with damagedcord or plug. Replacethem immediately.

7. Donot operatechargerif it hasreceiveda sharp blow, beendropped, or otherwisedamagedinany way; take it to the nearestSears

ServiceCenter.

8. Do not disassemblecharger; take it to the nearestSearsServiceCenterwhen serviceor repairis required. Incorrectreassembly

may result in a risk of electric shock or fire.

9. To reduce risk of electric shock, unplug charger from outlet beforeattemptingany maintenanceor cleaning.Turning off controls

will not reducethis risk. PERSONALPRECAUTIONS

1. Removepersonal metalitems such as rings, bracelets,

necklaces,and watcheswhen working with a lead-acid

battery. A lead-acid battery can produce a short circuit

current high enoughto weld jewelry to metal, causing a

severeburn.

2. Someoneshould be within range of your voice or close

enoughto cometo your aid when you work neara lead-

acid battery.

3. Haveplenty of fresh waterand soap nearbyin casebat-

tery acid contacts skin, clothingor eyes.

4. Wear complete eye protection and clothing protection.

Avoid touching eyeswhile working nearbattery.

5. Clothingwill bedamagedif it comesin contactwith bat-

tery acid.

6. If batteryacid contactsskin or clothing, washimmediate-

ly with soapand water. If acid contactseyes, immediate-

ly flood eyes with running cold water for at least 15

minutes and get medicalattention immediately.

7. NEVERsmokeor allowa spark or flamein vicinity of bat-

tery or engine.

8. Beextra cautiousto reduce risk of dropping a metaltool

onto battery. It might spark or short-circuit battery or

other electrical parts that maycauseexplosion.

9. Usechargerfor charging a LEAD-ACIDbatteryonly. It is

10.

not intended to supply power to a low-voltageelectrical

system other than in an automotiveapplication. Do not

use battery charger for charging dry-cell batteriesthat

are commonlyused with homeappliances. These bat-

teriesmayburst andcauseinjury to personsanddamage

to property.

DONOTATTEMPTTOCHARGEA FROZENBATTERY...

If the caseis not cracked, removethe batteryto a warm

area until the ice has completelymeltedbefore attemp-

ting to charge.

WARNING-- RISK OF EXPLOSIVE GASES.

1. WORKINGIN VICINITYOF A LEAD-ACIDBATTERYIS

DANGEROUS. BATTERIES GENERATE EXPLOSIVE

GASESDURINGNORMALBATTERYOPERATION.FOR

THIS REASON,IT IS OF UTMOSTIMPORTANCETHAT

EACHTIME BEFOREUSINGYOURCHARGER,YOUREAD

THIS MANUALAND FOLLOWTHE INSTRUCTIONSEX-

ACTLY.

2. To reduce risk of battery explosion,follow theseinstruc-

tions and those published by battery manufacturerand

manufacturer of any equipment you intend to use in

vicinity of battery. Reviewcautionarymarking on these

products and on engine.

GROUNDINGANDAC POWERCORD

Charger should be grounded to reduce risk of electric shock.

Chargeris equippedwith an electric cord having anequipment-

grounding conductor and a grounding plug. The plug must be

plugged into an outlet that is properly installedand groundedin

accordance with all local codes and ordinances.

DANGER-- Neveralter AC cord or plug provided-if

it will not fit outlet, have proper outlet installed by a qualified

electrician. Improper connectioncan result in a risk of an elec-

tric shock.

This battery charger is for use on a nominal 120volt circuit and

has a grounding plug that looks like the plug illustrated in

sketch A in Figure 1. Atemporary adapter, which looks like the

adapter illustratedin sketches B and C, may be used to con-

nectthis plug to a two-pole receptacleas shown in sketch B if a

properly grounded outlet is not available. The temporary

adapter should be used only until a properly grounded outlet

can be installed by a qualified electrician.

CONNECTIONINSTRUCTIONS

GROUNDING METHODS

GROUNDED OUTLET ADAPTER

COVER OF GROUNDED _

OUTLET BOX

DAPTER

"-'_--"_ GROUNDING

MEANS

(c) (B)

Fig. 1

DANGER-- Before using adapter as illustrated, be

sure that center screw of outlet plate is grounded. The green

colored rigid ear or lug extending from adapter must be con-

nected to a properly grounded outlet - make certain it is

grounded. If necessary, replace original outlet cover plate

screw with a longerscrew that will secureadapter ear or lug to

outlet cover plate and make ground connection to grounded

outlet.

PREPARINGTO CHARGE

1. If necessary to remove battery from vehicle to charge,

always removegroundedterminal from battery first. Make

sure all accessories in the vehicle are off, so as not to

cause an arc.

2. Besure areaaroundbattery is well ventilated while battery

is being charged. Gascan beforcefully blown away by us-

ing a piece of cardboardor other non-metallicmaterialas a

fan.

3. Clean battery terminals. Be careful to keep corrosion from

coming in contact with eyes.

Keepthe battery terminals clean and tight. Use Searster-

minal protectors to prevent corrosion. (Available through

most Sears stores or catalog.)

4. If battery has removablefiller vents, check periodically to

make sure battery electrolyte (liquid) covers the plates. If

liquid is down, add only DISTILLEDWATERto bring level

up. This also helps purge excessive gas from the cells.

NOTE:DONOTOVERFILL(OVERFILLINGCOULDRESULT

IN DAMAGE). For a battery without cell caps, carefully

follow manufacturer's charging instructions.

5. Study all battery manufacturer's specific precautionssuch

as removingor not removingcell caps while charging, and

recommendedrates of charge.

6. Determine voltage of battery by referring to car owner's

manual. This charger can be used to charge only 12 volt

batteries.

CHARGERLOCATION

1. Locate charger as far away from battery as the DCcables

permit.

2. Never place charger directly above battery being charged;

gases from battery will corrode and damagecharger.

3. Never allow battery acid to drip on charger when reading

specific gravity or filling battery.

4. Do not operate charger in a closed-in area or restrict ven-

tilation in any way.

5. Do not set battery on top of charger.

OPERATINGINSTRUCTIONS

Your new Sears automatic battery charger is a home type

automotivecharger designed to charge 12 V batteries of either

conventional or maintenancefree construction. The rated out-

put current is 10 amperesfor large batteries and 2 amperesfor

smaller batteries such as on motorcycles, gardentractors, etc.

When operating your charger carefully follow the steps under

CHARGINGBATTERYIN VEHICLEor CHARGINGBATTERYOUT

OF VEHICLE. After completion of Step 7, the meter on the

charger will indicate the amountof DCamperesof charge being

delivered to the battery. This charging rate will taper off as the

battery comes up to full charge. In automatic chargers the

voltage is limited to a preset levelto prevent overcharging. The

charge rate drops to a very low pulsating rate to maintain bat-

tery charge level. If current is drawn from the battery as in

some type of standby operation, the charger will automatically

come on to compensate.

DEEPCYCLECHARGING-- [To charge deep cycle batteries,

you must monitor the charging to insure the size battery you

are charging permits the voltage to increase to the preset

trickle trip point of the control circuit.] If the battery becomes

very warm (_ 125°F) or appears to be bubbling freely charg-

ing should be stopped.

DC CONNECTIONPRECAUTIONS

.

.

Connectand disconnect DCoutput clips only after remov-

ing AC cord from electric outlet. Neverallow clips to touch

each other.

Attach clip to battery post and twist or rock back and forth

several times to make a good connection. This helps to

keep clip from slipping off terminal and helps to reduce

risks of sparking. Attach grounding clip to engine block or

unpainted car frame, away from gas line and carburetor.

CHARGINGBATTERYIN VEHICLE

FOLLOWTHESE STEPSWHEN BATTERYIS INSTALLEDIN

VEHICLE. A SPARK NEAR BATTERYMAY CAUSEBATTERY

EXPLOSION.TO REDUCERISKOF A SPARKNEARBATTERY:

1. Position AC and DC cords to reduce risk of damage by

hood, door or moving engine parts.

2. Stay clear of fan blades, belts, pulleysand other parts that

can cause injury.

k ¸

3. Check polarity of battery posts. POSITIVE(POS, P, +)

battery post usually has a larger diameterthan NEGATIVE

(NEG, N, -) post.

4. Determinewhich post of battery is grounded (connected)

to the chassis, tf negative post is grounded to chassis (as

in most vehicles), see item 5. If positive post is grounded

to chassis, see item 6.

5. For common negative-grounded vehicle, connect POS!-

TIVE(RED)clip from battery charger to POSITIVE(POS,P,

+) ungrounded post of battery. Connect NEGATIVE

(BLACK) clip to vehicle chassisor engineblock awayfrom

battery. Do not connect clip to carburetor, fuel lines, or

sheet-metal body parts. Connect to a heavy gage metal

part of the frame or engine block.

6. For positive-groundedvehicle, connect NEGATIVE(BLACK)

clip from battery charger to NEGATIVE(NEG, N, -) un-

grounded 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-metalbody

parts. Connectto a heavygage metal part of the frame or

engine block. Set control to 10 amp or 2 amp.

7. ONLY - After completing steps 1 through 6, plug the

power cord of the charger into grounded 120 volts, 60 Hz

outlet.

PROPERDISCONNECTPROCEDURE

1. ALWAYS unplug the charger power cord before doing

anything else.

2. Then disconnect the grounded clamp from the engine

block or framework.

3. Finally, disconnect the remaining clamp from the battery

terminal.

CHARGINGBATTERYOUT OF VEHICLE

FOLLOWTHESESTEPSWHEN BATTERYIS OUTSIDEVEHI-

CLE. A SPARK NEARTHE BATTERYMAY CAUSE BATTERY

EXPLOSION.TO REDUCERISKOFA SPARKNEARBATTERY:

1. Check polarity of battery posts. POSITIVE(POS, P, +)

battery post usually has a larger diameter than NEGATIVE

(NEG, N, -) post.

2. Attach at least a 24-inch-long 6-gauge (AWG) insulated

battery cable to NEGATIVE(NEG, N, -) battery post.

(This can bea standardautomobilebattery cable available

through your Sears Auto Centeror other auto parts store.)

3. Connect POSITIVE(RED)charger clip to POSITIVE:(POS,

P, +) post of battery.

4. Positionyourself and free end of cable as far awayfrom the

battery as possible - then connect NEGATIVE(BLACK)

charger clip to free end of cable.

5. Do not face battery when making final connection. Set

control to desired current 10 or 2 amp.

6. ONLY- After completing steps 1 through 5, insert power

cord to a grounded outlet of 120 volts, 60 Hz.

7. A marine (boat) battery must be removedand charged on

shore. To charge it on boardrequires equipment specially

designed for marine use.

PROPERDISCONNECTPROCEDURE

1. ALWAYS unplug the charger power cord before doing

anything else.

2. Then disconnect the negative(black) lead from the end of

the 24 inch cable.

3. Finally, disconnect positive (red) lead from battery post.

CHARGEROVERLOADPROTECTION

Your Sears battery charger is protected from power overloadby

two automatic heat sensing switches. One is in the DCoutput

circuit (item 7 on your parts list), the other is built on the

transformer. The first will operatewhen a short circuit, reverse

connections, or too long engine cranking overloads the

charger. The protector will openwith a click sound and reclose

in a few seconds. The second protector will operate when a

prolongedoverloaddueto a defectivebattery or other excessive

loadcauses the transformer to overheat. It is a onetime device

and once it functions the transformer must be replaced.

TIME REQUIREDTO CHARGE

1. A battery is fully charged when:

a. A hydrometer readingof the electrolyte liquid reaches

1.250 or above(all cells should haveapproximatelythe

same reading).

b. The charger rate drops to a very low pulsating rate to

maintain battery charge level. (3-5) hours for most 12

volt batteriesor (5-8) hoursfor smaller 12 volt batteries

at 2 amperes.

2. OVERCHARGINGOFBATTERIESSHOULDBEAVOIDEDAS

MUCH AS POSSIBLE. Overcharging causes excessive

gassing, loss of water, and eventual damage to the bat-

tery. Charging should be stopped if battery becomesvery

warm (over about 125 DegreesFahrenheit)or appears to

be bubbling freely.

POSSIBLECHARGINGPROBLEMS

1. Meter needle swings to far right side of meter:

Your new battery charger has been equipped with an

automatic reset circuit breaker. This protects the charger

from temporaryoverloadconditions. A severelydischarged

battery, a battery with shorted cells, or reversed charger

connectionsat the battery will causethis protectivedevice

to operate.

Under these overload conclitions, the circuit breaker will

open, and when cooled down will reset automatically.

This cycling processcan be identified by a clicking sound

made during the opening and closing of the circuit

breaker.

a. Check for reverse polarity connections.

b. If battery is severely discharged, charge meter needle

will start to cycle up and down, and will stabilize after

15 to 20 minutes.

c. Battery may have one or more shorted cells. Cycling

will start immediatelyand continue indefinitely. If cycl-

ing has not stopped as outlined in (b), disconnect

charger (AC power cord first) and have battery tested.

2. No meter reading:

a. Check connections to battery and engine block or car

frame. Be sure polarity is correct (red clip to positive).

"Rock" the clips to bite through any dirt or corrosion.

If in a vehicle, be sure terminals on battery are clean

and tight.

b. Check AC outlet or extension cord connections.

c. Oneor more cells may be shorted. Thermal switch in

charger may cycle (click on and off).

MAINTENANCEAND CLEANING

Very little maintenance is required. As with any appliance or

tool, a few commonsenserules will prolongthe life of your bat-

tery charger.

ALWAYS BE SURECHARGERIS UNPLUGGEDBEFOREDOING

ANY MAINTENANCEOR CLEANING.

1. Store in a clean, dry place.

2. Coil up cords when not in use.

3. Clean caseand cords with a dry or slightly damp cloth.

4. Cleanany corrosion from clips with a solution of water and

baking soda.

5. Examinecords periodically for cracking or other damage.

Have them replaced if necessary.

SERVICE

A parts list, assembly drawing, etc. are provided for use by

service personnel.

WARNING:TO REDUCETHE RISK OF ELECTRIC

SHOCK, DO NOT PERFORMANY SERVICINGOTHERTHAN

THAT CONTAINED IN THE OPERATINGINSTRUCTIONS

UNLESSYOU AREQUALIFIEDTO DO SO.

-- I?

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P.o. CAR(] 3UHPER CONNECTION

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METER CONNECTIONS 2

BACK VIEW \

OUTPUT RED

REAR VIEW OF TRANSFORNER

&

INPUT

120 V

60 HZ

I LIC_Ij SWITCH

i

AMP -F

METER

I0_

2A

BL

BROWN

REPAIR PARTS

10/2Amp 12 Volt

Battery Charger

MODELNO. 608.718571

Key Part Number Description

1 SD-t22262 Cover

2 SD-30-122599 Case

3 SA-I-128431 Handle

4 SB-135724 Decal

5 ST-91340 Transformer

6 SA-1490528 Meter

7 SA-2-!33344 Thermal Switch

8 ** Rivet

9 SA-l-1320517 Input Cord

10 SA-83986 Output Cord

11 SA-t05350 Strain Relief

12 SA-105598 Strain Relief

13 SB-1-134371B P,C. Assembly

14 SA-128299 Warning Label

15 *STD-551210 No. 10 Lockwasher (3)

16 *STD-541110 No. 10-32 Hex Nut (3)

17 *STD-510605 No. 6-32 x 1/2 Screw

SA-135726 Owner'sManual& PartsList

18 SA-1591008 Switch

19 * 10-32 x 3/8 Screw

**For Replacement Use:

*STD-511103 No.10-32x 3/8 Screw(4)

*STD-541210 No. 10 Lockwasher (2)

*STD-541110 No. 10-32 Hex Nut (4)

*Standard Hardware - may be purchased locally.

HOW TO USE YOUR BATTERY CHARGER

1. This charger is for 12 volt batteries.

2.

3.

Make sure battery is in a well-ventilated area.

Do not smoke, strike a match or cause any sparks in the vicinity of

the battery.

4. For a negative grounded vehicle:

a,

b.

Connect RED (+) clip to (+) terminal on battery.

Connect BLACK (-) clip to engine block away from battery.

Do not connect to battery terminal. (A spark near the battery

may cause battery explosion.)

When charging battery out of vehicle:

1) Connect a 24" minimum length of No. 6 gauge insulated

battery cable to negative (-) battery terminal.

2) Connect RED (+) clip to (+) terminal.

3) Connect BLACK (-) clip to jumper cable away from bat-

tery. Do not connect to battery terminal.-(A spark near the

battery may cause battery explosion.)

5. Select desired charging amperage.

6. Plug the AC (input cord) into a grounded outlet.

7, Charger Disconnect

a) Disconnect AC (input cord).

b) Remove BLACK(-) clip.

c) Remove RED (+) clip.

OUTOF

VEHICLE

IN VEHICLE

C

S _AIRS

OWNERS

MANUAL

MODEL NO.

608.718571

HOWTOORDER

REPAIRPARTS

10 AMP /2AMP 12 VOLT

AUTOMATIC

BATTERY CHARGER

Now that you have purchased your battery charger, should a

need ever exist for repair parts or service, simply contact any

Sears Service Center and most Sears, Roebuck and Co. stores.

Be sure to provide all pertinent facts when you call or visit.

The model number of your battery charger will be found on

the front panel.

WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOL-

LOWING INFORMATION:

°PART NUMBER ° PART DESCRIPTION

° MODEL NUMBER " NAME OF ITEM

All parts listed may be ordered from any Sears Service Center

and most Sears stores.

If the parts you need are not stocked locally, your order will

be electronically transmitted to a Sears Repair Parts Distri-

bution Center for handling.

Sears, Roebuckand Company,Sears Tower,Chicago,IL 60684 A-135726 189