Avoid _____________ _____________ _____________ _____________ _____________ _____________

They are electrical energy _________________________. Small engine electrical systems commonly include a lead-acid battery. Stores energy by using lead cell plates and sulfuric acid (H2SO4) H2SO4 is a mixture of water and sulfuric acid. Voltage of this battery is produced by a chemical reaction initiated by current flow either in or out of the battery. Battery condition is commonly checked using a ________________________.

You can see the terminal looks a little distorted… NEVER USE A _________________ You will likely crack the top of the battery around the post.

Battery electrolyte is extremely corrosive and can cause severe burns to eyes and skin. Always handle them in an upright position. Spills on skin must be immediately flushed off with cold water. Eyes mush be flushed and a physician should be contacted immediately.

Battery cable clamps can be made of ____________ or ____________ depending on the manufacturer. In addition, they can be attached to the cable by either crimp or bolt and nut. A crimped one piece battery cable with clamp is the most common used today. SteelLead

Batteries can either be a _________________ cell, such as a flashlight battery once used, throw it away, or a _________________ cell, such as a car battery (when the charge is gone, it can be recharged).

Through a _______________ _______________process the battery creates and releases electricity as needed by the electrical system or devices. Since the battery loses its chemical energy in this process, the battery must be recharged by the alternator. By reversing electrical current flow through the battery the chemical process is reversed, thus charging the battery. The cycle of discharging and charging is repeated continuously and is called "battery cycling".

The charging system has three major components. The ______________, _______________, and the Regulator. This alternator works together with the battery to supply power when the vehicle is running. The output of an alternator is direct current, however AC voltage is actually created and then converted to DC as voltage leaves the alternator on its way to the battery and the electrical loads.

Four wires connect the alternator to the rest of the charging system. 'B' is the alternator output wire that supplies current to the battery. 'IG' is the ignition input that turns on the alternator/regulator assembly. 'S' is used by the regulator to monitor charging voltage at the battery. 'L' is the wire the regulator uses to ground the charge warning lamp.

Produces a _____________________. Current in a DC circuit flows in _______ direction only. All points in a DC circuit have polarity.

A circuit that contains a combination of components connected in series and parallel. _______________ Circuit: a circuit that has two or more components connected so that there is only one path for current flow. Ex. Xmas lights _______________ Circuit: a circuit that has two or more paths (branches) for current flow. Ex. Bedroom Wiring

Alternator _____________ charging (seconds) rpm (low RPMs) Generator ________________at Charging Has to charge at high RPMs such as 2000 Also has to run for a long time.

Is an ignition system that uses electronic components in place of breaker points and a condenser. It was introduced in the mid-1980’s It also provides greater efficiency and reliability than a breaker point ignition system. Longer plug life Hotter spark (voltage) No adjustments Breaker Point Ignition PartsMagnetron

The starter motor is an electric motor that drives the engine ______________ when starting.. Starter motors are designed and sized for specific engine applications, but all contain similar components. All engines are ________________ with one.