Schumacher SE-3005, SE-1252MA User Manual
ELECTRIC CORP.
801 BUSINESS CENTER DRIVE • MOUNT PROSPECT, IL 60056-2179 • 800-621-5485
Send Warranty Product Repairs to: 1025 E. Thompson Avenue, Hoopeston, IL 60942-0280
A. IMPORTANT SAFETY INSTRUCTIONS
1. SAVE THESE INSTRUCTIONS - This manual contains
important safety and operating instructions for battery charger Model SE-1252MA and
SE-3005 which is to be used with 12 volt lead acid battery only.
A BATTERY CHARGER RECEIVES AC POWER FROM THE ELECTRIC OUTLET
AND DELIVERS DC CURRENT TO THE BATTERY.
2. Before using battery charger, read all instructions and cautionary markings on (1) battery charger, (2) battery and (3) product using battery.
3. CAUTION - To reduce risk of injury, charge only lead acid type rechargeable batteries.
Other types of batteries may burst causing personal injury and damage.
4. Use of an attachment not recommended or sold by the battery charger manufacturer
may result in a risk of fire, electric shock, or injury to persons.
5. To reduce risk of damage to electric plug and cord, pull by plug rather than cord when
disconnecting charger.
6. Make sure cord is located so that it will not be stepped on, tripped over, or otherwise
subjected to damage or stress.
7. An extension cord should not be used unless absolutely necessary. Use of improper
extension cord could result in a risk of fire and electric shock. If extension cord must be
used, make sure:
(a) That pins on plug of extension cord are the same number, size and shape as those of
plug on charger.
(b) That extension cord is properly wired and in good electrical condition; and that wire
size is as specified below:
Call Customer Service if you have questions: 1-800-621-5485
Length of cord (feet): 25 50 100 150
AWG size of cord: 16 14 10 8
8. Do not operate charger with damaged cord or plug - replace them immediately.
9. Do not operate charger if it has received a sharp blow, been dropped, or otherwise
damaged in any way; take it to a qualified service man.
10. Do not disassemble charger; take it to a qualified serviceman when service or repair is
required. Incorrect reassembly may result in a risk of electric shock or fire.
11. To reduce risk of electric shock, unplug charger from outlet before attempting any
maintenance or cleaning. Turning off controls will not reduce this risk.
B. WARNING - RISK OF EXPLOSIVE GASES
1. WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY OPERATION. FOR
THIS REASON, IT IS OF UTMOST IMPORTANCE THAT EACH TIME BEFORE USING YOUR CHARGER, YOU READ THIS MANUAL AND FOLLOW THE INSTRUCTION EXACTLY.
00-00-000532/0103
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2. To reduce risk of battery explosion, follow these instructions and those published by
battery manufacturer and manufacturer of any equipment you intend to use in vicinity of
battery. Review cautionary marking on these products and on engine.
C. PERSONAL PRECAUTIONS - USE SAFETY GLASSES
1. Someone should be within range of your voice or close enough to come to your aid
when you work near a lead-acid battery.
2. Have plenty of fresh water and soap nearby FOR USE IF battery acid contacts skin,
clothing or eyes.
3. Wear complete eye protection and clothing protection. Avoid touching eyes while working near battery.
4. If battery acid contacts skin or clothing, wash immediately with soap and water. If acid
enters eye, immediately flood eye with running cold water for at least 10 minutes and get
medical attention immediately.
5. NEVER smoke or allow a spark or name in vicinity of bakery or engine.
6. Be extra cautious not to drop a metal tool onto battery. It might spark or short-circuit
battery or other electrical part that may cause explosion.
7. Remove personal metal items such as rings, bracelets, necklaces, and watches when
working with a lead acid battery. A lead-acid battery can produce a short-circuit current
high enough to weld a ring or the like to metal, causing a severe burn.
8. Use charger for charging a LEAD-ACID battery only. It is not intended to supply power
to a low voltage electrical system other than in an automotive application. Do not use
battery charger for charging dry-cell batteries that are commonly used with home appliances. These batteries may burst and cause injury to persons and damage to property.
9. NEVER charge a frozen battery.
10. WARNING: Handling the cord on this product or cords associated with accessories
sold with this product, will 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.
D. PREPARING TO CHARGE
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 non-metallic material as a
fan.
3. Clean battery terminals. 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 over fill. 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.
E. CHARGER LOCATION
1. Locate charger as far away from battery as DC cables permit.
2. Never place charger directly above battery being charged; gases from battery will corrode and damage charger.
3. Never allow battery acid to drip on charger when reading specific gravity or filling battery.
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4. Do not operate charger in a closed-in area or restrict ventilation in any way.
5. Do not set a battery on top of charger.
6. Do not expose charger to rain or snow.
F. DC CONNECTION PRECAUTIONS
1. Connect and disconnect DC output clips only after removing AC cord from electric
outlet. Never allow clips to touch each other.
Attach clips to battery posts and twist or rock back and forth several times to make a good
connection. This tends to keep clips from slipping off terminals and helps to reduce risk of
sparking.
G. FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE. A SPARK
NEAR BATTERY MAY CAUSE BATTERY EXPLOSION. TO REDUCE RISK OF SPARK
NEAR BATTERY, DO AS FOLLOWS:
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, 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 NEGATIVE (NEG, N. -) post.
4. Determine which post of battery is grounded (connected to the chassis). If negative
post is grounded to chassis (as in most vehicles), see #5. If positive post is grounded to
the chassis, see #6.
5. For negative-grounded vehicle, connect POSITIVE (RED) clip from battery charger to
POSITIVE (POS, P. +) ungrounded post of battery. Connect NEGATIVE (BLACK) clip to
vehicle chassis or engine block away from battery. Do not connect clip to carburetor, fuel
lines, or sheet-metal body parts. Connect to a heavy gage metal part of the frame or
engine block.
6. For positive-grounded vehicle, connect NEGATIVE (BLACK) clip from battery charger
to NEGATIVE (NEG, N. -) ungrounded post of battery. Connect POSITIVE (RED) clip to
vehicle chassis or engine block away from battery. Do not connect clip to carburetor, fuel
lines, or sheet-metal body parts. Connect to a heavy gage metal part of the frame or
engine block.
7. When disconnecting charger, disconnect AC cord, remove clip from vehicle chassis,
and then remove clip from battery terminal, in that order.
8. See operating instructions for length of charge information.
H. FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE. A SPARK NEAR
THE BATTERY MAY CAUSE BATTERY EXPLOSION. TO REDUCE RISK OF A SPARK
NEAR BATTERY, DO AS FOLLOWS:
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.
3. Connect POSITIVE (RED) charger clip to POSITIVE (POS, P. +) post of battery.
4. Position yourself and free end of cable as far away from battery as possible then connect NEGATIVE (BLACK) charger clip to free end of cable.
5. Do not face battery when making final connection.
6. When disconnecting charger, always do so in reverse sequence of connecting procedure and break first connection while as far away from battery as practical.
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7. A marine (boat) battery must be removed and charged on shore. To charge It on board
requires equipment specially designed for marine use.
I. GROUNDING AND AC POWER CORD CONNECTION INSTRUCTIONS
Charger should be grounded to reduce risk of electric shock. Charger is equipped with an
electric cord having an equipment grounding conductor and a 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.
This battery charger is for use on a nominal 12-volt circuit, and has a grounding plug that
looks like the plug illustrated in sketch A in Figure 1. A temporary adapter, which looks like
the adapter illustrated in sketches B and C, may be used to connect this plug to a two pole
receptacle as 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.
DANGER - Before using adapter as illustrated, be certain that center screw of outlet plate
is grounded. The green-colored rigid ear or lug extending from adapter must be connected to a properly grounded outlet - make certain it is grounded. If necessary, replace
original outlet cover plate screw with a longer screw that will secure adapter ear or lug to
outlet cover plate and make ground connection to grounded outlet.
FIGURE 1
GROUNDING METHODS
J. OUTPUT CURRENT SELECTOR SWITCH
2 Amp position - may be used for any size battery larger than 10 Ampere hours (AH). This
position is primarily intended for charging batteries between 10 and 30 AH. These are the
types typically used in motor cycles and garden tractors.
10 Amp position - may be used for batteries larger than 30 AH. If used on smaller batteries, gassing, loss of liquid and over heating may occur.
Start position - will assist the battery with up to an additionally 50 Amp while cranking the
engine. This is an intermittent use position and should be limited to a MAXIMUM of 10
seconds on, followed by a MINIMUM of 3 minutes off. For the off period you may switch to
either the 2 or 10 Amp position or disconnect from the AC power source. Applications
drawing more than 50 Amps may automatically interrupt the output circuit breaker in less
than 10 seconds. Do not use this position for charging a battery. Doing so will cause a
safety protector to shut down all functions after 2 minutes of use and remain so for 15 to
20 minutes before resetting. For best results charge the battery for 10 minutes in the 10
Amp position before cranking the engine.
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