OWNER’S MANUAL (MODEL #20026)
900mA Battery Charger & Maintainer Instructions for 6 & 12 Volt Batteries
Read Instructions Carefully for Safe Operation
READ THE ENTIRE MANUAL BEFORE USING THIS PRODUCT.
FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR DEATH.
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 THE CHARGER, READ THIS MANUAL AND FOLLOW THE
INSTRUCTIONS EXACTLY.
This manual will show how to use the charger safely and effectively. Please read, understand and follow these instructions and precautions carefully, as
this manual contains important safety and operating instructions. The safety messages used throughout this manual contain a signal word, a message
and an icon.
The signal word indicates the level of the hazard in a situation.
indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury to the operator or bystanders.
indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury to the operator or bystanders.
indicates a potentially hazardous situation which, if not avoided, could result in moderate or minor injury to the operator or bystanders.
indicates a potentially hazardous situation which, if not avoided, could result in damage to the equipment or vehicle or
property damage.
Safety messages in this manual contain two different type styles.
• Unnumbered type states the hazard
• Numbered type states how to avoid the hazard.
The icon gives a graphical description of the potential hazard.
Pursuant to California Proposition 65, this product contains chemicals known to the state of California to cause cancer and
birth defects or other reproductive harm.
1. IMPORTANT SAFETY INSTRUCTIONS
Risk of electric shock or fire.
1.1 Do not expose the charger to rain or snow.
1.2 Use only recommended attachments. Use of an attachment not recommended by WirthCo Engineering, Inc. may result in a risk of fire, electric
shock or injury to persons or damage to property.
IMPORTANT SAFETY INSTRUCTIONS • SAVE THESE INSTRUCTIONS
1.3 To reduce the risk of damage to the electric plug or cord, pull by the plug rather than the cord when disconnecting the charger.
1.4 An extension cord should not be used unless absolutely necessary. Use of an improper extension cord could result in the risk of fire and electric
shock. If an extension cord must be used, make sure:
• That the pins on the plug of the extension cord are the same number, size and shape as those of the plug on the charger
• That the extension cord is properly wired and in good electrical condition
• That the wire size is large enough for the AC ampere rating of the charger as specified in the table in Section 8
1.5 To reduce the risk of electrical shock, unplug the charger from the outlet before attempting any maintenance or cleaning.
1.6 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.
1.7 Do not operate the charger with a damaged cord or plug; take it to a qualified service person.
1.8 Do not operate the charger if it has received a sharp blow, been dropped or otherwise damaged in any way; take it to a qualified service person.
1.9 Do not disassemble the charger; take it to a qualified service person when service or repair is required. Incorrect reassembly may result in a risk
of fire or electric shock.
2. PERSONAL PRECAUTIONS
Risk of explosive gases
2.1 Working in the vicinity of a lead-acid battery is dangerous. Batteries generate explosive gases during normal battery operation. For this reason,
it is of utmost importance the instructions are followed each time the charger is used.
2.2 To reduce the risk of a battery explosion, follow these instructions and those published by the battery manufacturer and the manufacturer of
any equipment used in the vicinity of the battery. Review the cautionary markings on these products and on the engine.
2.3 This charger employs parts, such as switches and circuit breakers, that tend to produce arcs and sparks. If used in a garage, locate this charger
18 inches or more above floor level.
2.4 NEVER smoke or allow a spark or flame in the vicinity of a battery or engine.
2.5 Be extra cautious to reduce the risk of dropping a metal tool onto the battery. It might spark or short-circuit the battery or other electrical part
that may cause an explosion.
2.6 Use this charger for charging LEAD-ACID batteries only. It is not intended to supply power to a low voltage electrical system other than in a
starter-motor application. Do not use this 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.
2.8 NEVER overcharge a battery.
3. PREPARING TO CHARGE
Risk of contact with battery acid. Battery acid is a highly corrosive sulfuric acid.
3.1 Consider having someone close enough by to come to your aid when you work near a lead-acid battery.
3.2 Have plenty of fresh water and soap nearby in case battery acid contacts the skin, clothing or eyes.
3.3 Wear complete eye and body protection, including safety goggles and protective clothing. Avoid touching eyes while working near the battery.
3.4 If battery acid contacts the skin or clothing, immediately wash the area with soap and water. If acid enters the eye, immediately flood the eye
with cold running water for at least 10 minutes and get medical attention right away.
3.5 If it is necessary to remove the battery from the vehicle to charge it, always remove the grounded terminal first. Make sure all of the accessories
in the vehicle are off to prevent arcing.
3.6 Be sure the area around the battery is well ventilated while the battery is being charged.
3.7 Clean the battery terminals before charging the battery. During cleaning, keep airborne corrosion from coming into contact with the eyes, nose
and mouth. Use baking soda and water to neutralize the battery acid and help eliminate airborne corrosion. Do not touch eyes, nose or mouth.
3.8 Add distilled water to each cell of the battery to be charged until the battery acid reaches the level specified by the battery manufacturer. Do
not overfill. For a battery without removable cell caps, such as valve regulated lead-acid batteries (VRLA), carefully follow the manufacturer’s
recharging instructions.
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