small. The charger will stay in DESULFATION MODE for up to 24 hours, attempting to break down the sulfation. If the battery current increases to normal in this time, the charger will enter the normal AUTOMATIC MODE. If the current does NOT increase to normal, the charger will enter the ABORT state and will shut off. The rapid flashing of the RED LED indicates the ABORT state and the battery may need to be replaced. The charger will remain in abort until the AC power is removed.

12.6WARNING: AT HIGHER AMP RATES, IT BECOMES EASIER TO BOIL AND OVERCHARGE THE BATTERY. DO NOT LEAVE THE CHARGER UNATTENDED. REFER TO THE BATTERY MANUFACTURER’S CHARGING INSTRUCTIONS. USE THE CHARGING TIME CHART IN SECTION 10 TO DETERMINE HOW LONG TO CHARGE.

13.MOUNTING INSTRUCTIONS

13.1The charger may be permanently mounted and connected. Six mounting holes have been provided for secure installation. Choose a location for the charger (see “CHARGER LOCATION” for proper placement). Using the charger as a template, place the charger in the selected location and mark each of the six holes with a pencil. In a well ventilated environment, drill the six holes using a #9 (7/32”) drill bit for use with nuts and bolts OR with a 5/32” drill bit for use with #10 self tapping screws. Take caution of the area on the other side that you are drilling to avoid drilling into wires or other components. Using #10 bolts, nuts and lockwashers, mount the charger with the LEDs facing up on a flat vertical surface to allow for ventilation.

Route the AC and DC cords to either end and avoid pinching them under the base. A sealant may be used to waterproof the screw holes.

13.2NOTE: Mounting the charger horizontally may not allow excess heat to rise away from the charger; if the charger must be mounted horizontally, take care to ensure there is a four inch minimum clearance around all sides of charger to provide adequate ventilation.

13.3NOTE: This charger has an internal thermocouple. If the unit gets too hot, the current will be reduced to allow the charger to cool to normal operating temperatures and restart. If the unit does not cool, the charger will temporarily shut off until normal temperatures are obtained.

14.MAINTENANCE INSTRUCTIONS

The charger is designed and built with high quality materials requiring only a minimum amount of care.

14.1After use, use a dry cloth to wipe all battery corrosion and other dirt or oil from terminals, cords, and the charger case.

14.2Cords should be coiled when the charger is not being used to prevent damage.

14.3Other servicing should be performed by qualified service personnel.

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Napa Essentials 85-521 manual Mounting Instructions, Maintenance Instructions
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85-521 specifications

Napa Essentials 85-521 is a reliable and versatile tool designed for automotive enthusiasts and professional mechanics alike. This product exemplifies the quality and innovation that Napa is known for, making it a standout choice in the automotive parts market.

One of the main features of the Napa Essentials 85-521 is its robust construction. Built with durable materials, this tool is designed to withstand the rigors of daily use in a variety of automotive environments. Its resilience ensures that it remains effective even after prolonged exposure to challenging conditions, making it an essential addition to any toolbox.

The design of the Napa Essentials 85-521 focuses on user-friendly functionality. Its ergonomic grip allows for extended use without causing discomfort, enhancing overall productivity for users who spend long hours working on vehicles. The lightweight structure makes it easy to handle, contributing to its practicality and efficiency.

In terms of technology, the Napa Essentials 85-521 incorporates advanced precision engineering. This level of craftsmanship means that users can expect accurate performance, which is crucial for tasks that require high levels of detail and exact measurements. Such consistency in performance alleviates the concerns associated with less reliable tools, allowing mechanics to trust the tool in their hands.

Another notable characteristic of the Napa Essentials 85-521 is its versatile application. It is compatible with a broad range of automotive tasks, from minor repairs to more complex maintenance jobs. This multifaceted use makes it an invaluable tool for both DIY enthusiasts and professional technicians, as it can adapt to various situations without the need for numerous other tools.

Napa stands behind its products, and the 85-521 is no exception. The tool is backed by a warranty that reflects the company's commitment to quality and customer satisfaction. This assurance adds value to the purchase, giving users peace of mind as they integrate the tool into their work routine.

In summary, the Napa Essentials 85-521 is a combination of durability, precision, and versatility. With its ergonomic design and advanced engineering, it stands out as a dependable choice for anyone in need of a reliable automotive tool. Whether for professional use or personal projects, the Napa Essentials 85-521 is designed to meet and exceed expectations, solidifying its place in the competitive automotive tools marketplace.
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