13.MAINTENANCE INSTRUCTIONS

13.1After use and before performing maintenance, unplug and disconnect the battery charger (see sections 5, 6 and 7).

13.2Use a dry cloth to wipe all battery corrosion and other dirt or oil from the battery clips, cords and the charger case.

13.3Ensure that all of the charger components are in place and in good working condition, for example, the plastic boots on the battery clips.

13.4Servicing does not require opening the unit, as there are no user-serviceable parts.

13.5All other servicing should be performed by qualified service personnel.

14.STORAGE INSTRUCTIONS

14.1Store the charger unplugged, in an upright position. The cord will still conduct electricity until it is unplugged from the outlet.

14.2If the charger is moved around the shop or transported to another location, take care to avoid/prevent damage to the cords, clips and charger. Failure to do so could result in personal injury or property damage. Store the clips on the fiberglass clamp rod. Do not store them on the handle, clipped together, on or around metal, or clipped to the cables.

15.TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

REASON/SOLUTION

No reading on the

Charger is not plugged in.

Plug the charger into an AC outlet.

ammeter.

No power at the receptacle.

Check for open fuse or circuit breaker

 

 

 

supplying AC outlet.

 

Clips are not making a good

Check for poor connection to battery and

 

connection to the battery.

frame. Make sure connection points are

 

 

clean. Rock clips back and forth for a

 

 

better connection.

 

Connections are reversed.

Unplug the charger and reverse the clips.

 

Battery is defective (will not

Have battery checked.

 

accept a charge).

 

 

4 amp charge rate is being used.

Ammeter may show no activity at the 4A

 

 

charge rate.

Ammeter reading

Battery is severely discharged.

Continue charging battery for two more

stays high.

 

hours. If problem continues, have the

 

 

battery checked.

Ammeter reads

Extension cord is too long or

Use a shorter or heavier gauge extension

less than selected

wire gauge is too small.

cord.

charge rate

Weak cell or sulfated plate in

A sulfated battery will eventually take a

when charging a

discharged battery

battery.

normal charge if left connected. If the

 

 

battery will not take a charge, have it

 

 

checked.

 

Battery is only partially

Continue to charge the battery.

 

discharged.

 

Battery clips do not

The charger is equipped with

No problem; this is a normal condition.

spark when touched

a safe start feature. In the

 

together.

automatic modes, it will not

 

 

supply current to the battery

 

 

clips until a battery is properly

 

 

connected. Unlike traditional

 

 

chargers, the clips will not spark

 

 

if touched together. (In manual

 

 

mode, the clips should spark.)

 

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Schumacher PWI70300A owner manual Maintenance Instructions, Storage Instructions
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PWI70300A specifications

The Schumacher PWI70300A is a versatile and powerful 7 Amp fully automatic battery maintainer and charger that has been designed to cater to the needs of both everyday drivers and automotive enthusiasts. This model stands out for its blend of advanced technology and user-friendly features, making it suitable for various battery types, including 6V and 12V lead-acid batteries.

One of the main features of the PWI70300A is its automatic multi-stage charging system. This technology helps in optimizing battery performance and lifespan by delivering the appropriate charge based on the battery's condition. It automatically switches from bulk charge to absorption and then to maintenance mode once the battery reaches full charge, ensuring that there is no overcharging, which can cause damage.

The lightweight and compact design of the PWI70300A enhances its portability, allowing users to easily carry it around or store it in tight spaces. Additionally, the unit comes equipped with a user-friendly LED indicator, which provides real-time feedback about the charging status. This feature simplifies the charging process, as users can easily gauge whether the battery is charging, fully charged, or requires attention.

Notably, the PWI70300A is designed with safety as a priority. It includes built-in protections against reverse polarity, short circuit, and over-temperature, which significantly reduces the risks associated with battery charging. This makes it an ideal choice for those who may not have extensive experience with battery maintenance.

The Schumacher PWI70300A also shines in its versatility, as it is compatible with a wide range of electrical vehicles, including cars, motorcycles, and ATVs. This makes it a valuable addition to the toolkit of any vehicle owner. The inclusion of clamps and ring terminals ensures flexible connectivity options, allowing users to choose the most convenient way to connect the charger.

In summary, the Schumacher PWI70300A is a robust and dependable battery maintainer and charger, ideal for anyone looking to extend the life of their batteries while still being easy to use. With its automatic charging capabilities, safety features, portability, and compatibility with various vehicles, it presents an excellent investment for maintaining battery health and performance. Whether for professional use or personal convenience, the Schumacher PWI70300A delivers on quality and reliability.
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