Yuasa YUA1200901 Operations Instructions download pdf

12V 900mA Charger

IMPORTANT SAFETY INSTRUCTIONS: SAVE THESE INSTRUCTIONS

THIS MANUAL CONTAINS IMPORTANT SAFETY AND OPERATING INSTRUCTIONS FOR 12V

BATTERY CHARGER, VM12990‑02. KEEP IT WITH OR NEAR CHARGER AT ALL TIMES.

1. WARNING ‑ RISK OF EXPLOSIVE GASES.

WORKING IN VICINITY OF A LEAD‑ACID BATTERY IS

DANGEROUS. EXPLOSIVE GASES DEVELOP DURING

NORMAL BATTERY OPERATION. IT IS IMPORTANT

THAT EACH TIME BEFORE USING YOUR CHARGER,

YOU READ THIS MANUAL AND FOLLOW THE

INSTRUCTIONS EXACTLY.

1.1 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.

1.2 Do not expose charger to rain, snow, or liquids.

1.3 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.

1.4 To reduce risk of electric shock, unplug charger from AC

outlet before attempting any maintenance or cleaning.

Turning off controls will not reduce this risk.

1.5 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 that pins on plug of extension cord are the same

number, size and shape as those of plug on charger and that

the extension cord is properly wired and in good electrical

condition and that the wire size is large enough for AC ampere

rating of charger as speciﬁed in the following table:

RECOMMENDED MINIMUM AWG SIZE FOR

EXTENSION CORDS FOR BATTERY CHARGERS

Length of cord (feet): 25 50 100 150

AWG size of cord: 18 18 18 18

1.6 If charger is equipped with an input power cord, do not

operate charger with damaged cord or plug ‑ replace the

cord or plug immediately.

1.7 Do not operate charger if it has received a sharp blow,

been dropped, or otherwise damaged in any way; take it

to a qualiﬁed serviceman.

1.8 Do not disassemble charger; take it to a qualiﬁed service

center when service or repair is required. Incorrect

reassembly may result in a risk of electric shock or ﬁre.

2. PERSONAL PRECAUTIONS

2.1 Someone should be within range of your voice or close

enough to come to your aid when you work near a lead‑

acid battery. Have plenty of fresh water and soap nearby

in case battery acid contacts skin, clothing or eyes. Wear

complete eye and clothing protection. Avoid touching

eyes while working near battery.

2.2 If battery acid contacts skin or clothing, wash immediately

with soap and water. If acid enters eye, immediately ﬂush

eye with running cold water for at least 10 minutes and

get medical attention immediately.

2.3 NEVER smoke or allow a spark or ﬂame in vicinity of

battery or engine.

2.4 Be extra cautious to reduce risk of dropping a metal tool

onto battery. It might spark or short‑circuit battery or other

electrical part that may cause explosion.

2.5 When working with a lead‑acid battery, remove personal

metal items such as rings, bracelets, necklaces, watches,

etc. 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.

2.6 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 a starter‑motor 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.

2.7 NEVER charge a frozen battery.

3. PREPARING TO CHARGE

3.1 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. 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.

3.2 Clean battery terminals. Be careful to keep corrosion from

coming into contact with eyes. 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 caps, carefully follow

manufacturer’s recharging instructions.

3.3 Study all battery manufacturer’s speciﬁc precautions such

as removing or not removing cell caps while charging and

recommended rates of charge.

3.4 Determine voltage of battery by contacting battery

manufacturer and make sure it matches output rating of

battery charger.

4. CHARGER LOCATION

4.1 Locate charger as far away from battery as DC cables

permit.

4.2 Never place charger directly above battery being charged;

gases from battery will corrode and damage charger.

4.3 Never allow battery acid to drip on charger when reading

gravity or ﬁlling battery.

4.4 Do not operate charger in a closed‑in area or restrict

ventilation in any way.

4.5 Do not set a battery on top of charger.

5. DC CONNECTION PRECAUTIONS

5.1 Connect and disconnect DC output terminals only after

removing charger from AC outlet.

5.2 Never allow DC output terminals to touch each other.

5.3 If problems arise connecting the output leads, solicit

the aid of your Dealer from whom you purchased this

product or the charger manufacturer for ﬁnding a suitable

connection device for your application.

6. FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED

IN VEHICLE. A SPARK NEAR BATTERY MAY CAUSE

BATTERY EXPLOSION. TO REDUCE RISK OF A SPARK

NEAR BATTERY:

6.1 Position AC and DC cords to reduce risk of damage by

hood, door or moving engine part.

6.2 Stay clear of fan blades, belts, pulleys, and any other

parts that can cause injury to persons.

6.3 Check polarity of battery posts

POSITIVE (POS.,P,+)

P.1702‑000158

1 2

12V 900mA Charger 1
P.2702‑000158 2

Summary of Contents

Page 1 - 12V 900mA Charger

12V 900mA ChargerIMPORTANT SAFETY INSTRUCTIONS: SAVE THESE INSTRUCTIONSTHIS MANUAL CONTAINS IMPORTANT SAFETY AND OPERATING INSTRUCTIONS FOR 12VBATTERY

Page 2 - P.2702‑000158

post usually has larger diameter than NEGATIVE (NEG,N,‑). 6.4 Determine which post of battery is grounded (connected) to chassis. If nega

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Yuasa YUA1200901 Operations Instructions

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