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

always remove grounded terminal from battery first.
Make sure all accessories in the vehicle are off, so as
not to cause an arc.

2. Be sure area around battery is well ventilated while

battery is being charged. Gas can be forcefully blown
away by using a piece of cardboard or other
nonmetallic material as a fan.

3. Clean battery terminals with a mixture of baking soda

and hot water. Be careful to keep corrosion from
coming in contact with eyes.

4. Add distilled water in each cell until battery acid

reaches level specified by battery manufacturer. This
helps purge excessive gas from cells. Do not overfill.
For a battery without cell caps, carefully follow
manufacturer’s recharging instructions.

5. Study all battery manufacturer’s specific precautions

such as removing or not removing cell caps while
charging and recommended rates of charge.

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.

1 Locate the charger as far away from the battery as dc

cables permit.

2. Never place the charger directly above the battery

being charged; gases from the battery will corrode and
damage the charger.

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

reading specific gravity or filling the battery.

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

ventilation in any way.

5. Do not set a battery on top of the charger.

6. Locate the charger at least 18" above the floor.

7. Do not place the charger where rain, snow, or other

moisture could drip on it.

1.

CAUTION: Connect and disconnect dc output clips
only after setting any switches with an OFF
position to off and removing ac power cord from
electric outlet. Never allow clips to touch each
other.

2. When hooking up charger, attach one clip to battery

and the other to a point away from battery (see
sections G & H). Do not hook up charger until reading
sections A–J. 

To reduce explosion risk, never connect both clips
directly to the battery.

When making each connection,

twist or rock clip back and forth several times to make a
good connection and to reduce the risk of a clip slipping
off and creating a spark. 

Do not twist or rock clip on the

battery after the second clip connection is made.

Charger should be grounded to reduce risk of electric
shock. Charger is equipped with an electric cord having an
equipment-grounding conductor and grounding plug. The
plug must be plugged into an outlet that is properly
installed and grounded in accordance with all local codes
and ordinances.

DANGER – Never alter ac cord or plug provided – if it
will not fit outlet, have proper outlet installed by a
qualified electrician. Improper connection can result in
a risk of an electric shock.

CAUTION: A MARINE (BOAT) BATTERY MUST BE
REMOVED AND CHARGED ON SHORE. TO CHARGE
IT ON BOARD REQUIRES EQUIPMENT SPECIALLY
DESIGNED FOR MARINE USE.

CAUTION: A SPARK NEAR BATTERY MAY CAUSE
BATTERY EXPLOSION. TO REDUCE RISK OF A
SPARK NEAR BATTERY:

1. Position ac and dc cords to reduce risk of damage by

hood, door, or moving engine part.

2. Stay clear of fan blades, belts, pulleys, and other parts

that can cause injury to persons.

3. Check polarity of battery posts. POSITIVE 

(POS, P, +) battery post usually has larger diameter
than NEGATIVE (NEG, N, –) post.

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PREPARING TO CHARGE BATTERY

C

LOCATING THE CHARGER

D

GROUNDING AND AC POWER CORD CONNECTION INSTRUCTIONS

E

BATTERY CHARGER CONNECTION PRECAUTIONS

F

CHARGING A BATTERY THAT IS INSTALLED IN A VEHICLE

G

Summary of Contents for 87102

Page 1: ...tenance or cleaning Turning off controls will not reduce this risk 10 Monitor battery charger daily when using it to maintain battery for extended periods automatic models only 11 WARNING RISK OF EXPLOSIVE GASES a Working in vicinity of a lead acid battery is dangerous Batteries generate explosive gases dur ing normal battery operation For this reason it is of utmost importance that each time befo...

Page 2: ...etting any switches with an OFF position to off and removing ac power cord from electric outlet Never allow clips to touch each other 2 When hooking up charger attach one clip to battery and the other to a point away from battery see sections G H Do not hook up charger until reading sections A J To reduce explosion risk never connect both clips directly to the battery When making each connection t...

Page 3: ...or engine block as far away from the battery as possible Do not connect the clip to carburetor fuel lines or sheet metal body parts Connect to a heavy gauge metal part of the frame or engine block 7 When disconnecting charger turn all switches with an OFF position to off disconnect ac cord remove clip from vehicle chassis and then remove clip from battery terminal 8 Refer to the Operating Instruct...

Page 4: ...roper connections to the battery as explained in sections F through H Step 2 Select Setting Select the 10 A 12 V AUTO position if you are charging large lead acid batteries such as those used in automobiles boats trucks vans farm equipment etc Plug the ac power cord into the wall outlet The meter will read up to 15 amps and taper down to 0 or 1 as the battery reaches full charge When the battery i...

Page 5: ...eak battery 12V only Plug the ac power cord into the wall outlet Note For best results charge the battery first for 10 20 minutes using the 10 A 12 V position before attempting to start the vehicle in the 55 AMP START position Engage the starter for 3 4 seconds if engine fails to start charge the battery using the 10 A 12 V position for another 10 20 minutes and attempt to start the engine again B...

Page 6: ...he battery charge level drops the charger will begin charging again Note If the charger does not sense a minimum voltage condition because of a deeply discharged battery then preactivation of the battery is required The meter will read zero or near zero Step 1 Make Connections Make sure ac power cord is unplugged from wall outlet Make proper connections to the battery as explained in sections F th...

Page 7: ... When the battery is fully charged the charge complete light will come on the meter will drop to 0 amps and the charger will automatically stop charging Select the 12 A 6 V position for charging 6 volt batteries Plug the ac power cord into the wall outlet This setting does not taper and does not shut off automatically Note Do not use this battery charger to charge batteries larger than those typic...

Page 8: ...pproaches full charge Refer to Section L Time to Charge to determine how long to charge your battery Step 1 Make Connections Make sure ac power cord is unplugged from wall outlet Make proper connections to the battery as explained in sections F through H Step 2 Select Setting Select the 100 AMP START position if you are attempting to start a car with a weak battery 12V only Plug the ac power cord ...

Page 9: ...atteries will not allow the charger to shut off automatically Select the 15 A 6 V position for charging 6 volt batteries used in automobiles trucks and farm equipment Plug the ac power cord into the wall outlet This setting does not taper and does not shut off automatically Note Do not use this battery charger to charge batteries larger than those typically found in boats passenger cars or light t...

Page 10: ...olt 10 amp setting Batteries with a partial charge smaller batteries and chargers with a higher amperage output such as 12 or 15 amps will take even less time to charge If the meter shows that the battery is drawing amperage from 7 15 amps and after charging for up to eight hours the battery still isn t fully charged have the battery professionally tested or replaced On battery chargers equipped w...

Page 11: ...comes on the battery IS fully charged However due to electrolyte stratification the hydrometer eye in the battery may not immediately indicate full charge To get the eye to register full charge set the SELECT FUNCTION switch to START and charge for one more hour on the 10 12 or 15 amp setting MODELS 87106 87121 87122 87128 87151 MODELS 87102 87104 87105 87120 87150 87302 1 NO AMMETER READING Ξ Mak...

Page 12: ...EAR FROM DATE OF PURCHASE ALL RISK OF LOSS FROM WHATEVER REASON SHALL BE PUT UPON THE PURCHASER Lincoln Electric SHALL NOT BE LIABLE FOR INCIDENTAL AND CONSEQUENTIAL DAMAGES UNDER ANY CIRCUMSTANCES Lincoln Electric S LIABILITY IF ANY SHALL NEVER EXCEED THE PURCHASE PRICE OF THIS MACHINE REGARDLESS OF WHETHER LIABILITY IS PREDICTED UPON BREACH OF WARRANTY EXPRESS OR IMPLIED NEGLIGENCE STRICT TORT O...

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