When the belt is undertightened, it will slide down the pulley causing wear both to itself and the working surface of the pulley. To protect the alternator from ingress of technical fluids, vehicle pipe and unit leaks should be eliminated without a delay. If the engine washing is required, the alternator and starter should be wrapped up in a waterproof material.
Water and salt won't penetrate the alternator if there is protection installed under the engine and when the bonnet has a sealing. Plastic protection can be easily broken or damaged. Sometimes, car owners dismount it on their own to facilitate the vehicle maintenance. The condition of the battery affects the condition of the alternator.
The majority of car owners use the battery until it completely loses its function. No one ever thinks about the effect of the battery on the alternator. Timely replacement of the battery will save you money on the alternator repair before its due time. In case the battery has been fully discharged, a stationary charging device should be used for it recharging instead of the alternator.
The quality of the battery is another thing that should be taken into account. Sometimes the battery has been in use for only one year while the jars have already been closed on to fault. A faulty battery will lead to the alternator burning out.
Observance of these simple rules will extend your alternator service life. Blog Categories [] Training [] News. Blog Search Search. Jun 22, How to avoid problems that may cause the alternator failure? Most common alternator faults When it comes to alternator weaknesses, the year of vehicle manufacture should be considered. Faults of alternators of different types In most cases, it's corrosion that causes an automotive alternator malfunction.
Effect of loads on the alternator service life A daily load affects the life of the alternator as well. Influence of a human factor on the alternator operational life Jump starting from a donor vehicle with the engine of the dead car running, is an extreme alternator overloading. Brush-wear limit: A minimum of 4 in. Take out the screws and carefully lift up the cover plate without straining the wires attached inside.
Note how the spade connectors of the leads are fitted before removing them. Remove the two screws securing the brush box and lift the box clear. The brushes are fixed by a screw or a bolt. They are easily damaged take care when removing or replacing them; do not use force. Clean the brush housings and insert new brushes. Clean the slip rings before replacing the box, leads and cover plate.
The Video Course teaches you everything about modern cars. Remove the brushes together with their terminal strips and springs. Clean the brush housing and guides at the same time in the same way. Remove the four terminal-retaining screws and disconnect the leads.
Take out the screws securing the brush box and remove the box complete with the brushes. Pull out the brushes and clean the brush housings. Clean the slip rings also. Remove the nuts and screws and lift out the brush box. Release each brush by pressing its spade terminal down and in. Insert the new brush from the back. Pull the terminal through with long-nosed pliers. The brush box is under a cover plate at the rear of the alternator, held on by two screws. Remove the screws securing the cover-plate; lift it carefully.
Remove the screws to free the brush box. Note where the spade connectors fit before you disconnect them. Lift out the box and remove the brushes. They are fixed by a screw or by a bolt.
Engine Block 18 minutes. Secure in place using the spring clip on the end of the wire. Check the readout from the dial on your voltmeter. With the engine idling and electrical equipment turned off, it should read If the volts are less than 13 you may have bad brushes.
Turn on electrical equipment such as lights and other devices that use a reasonable amount of electricity. Check the voltage on the voltmeter. It should remain at around volts. If it falls below volts your, brushes may be bad. Get a friend to sit in the car and increase the engine speed to just above 2, RPM. Look at the voltmeter to see if it displays an increase in volts. Your voltmeter should display about 14 volts--maybe a little more if the battery is low.
If there is little or no increase in voltage your brushes may be bad. Stephen Benham has been writing since
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