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Audi A4, S4
Controls and receptions of safe operation
Current leaving and service
Systems of cooling, heating and the air conditioner
Power supply systems, release and decrease in toxicity of the fulfilled gases
- Systems of an electric equipment of the engine
Ignition and engine management system
System of preheat of the diesel engine
Diagnostics of systems of electronic control and the diagnostic equipment
- Gymnastics and start systems
The general information
The storage battery - the basic data and acquisition of the new battery
Check and gymnastics of the storage battery
Replacement of the storage battery
Storage of the storage battery
Gymnastics system - the general data and security measures
Check of system of gymnastics
Removal and generator installation
Removal and installation of a regulator of pressure/replacement of brushes
System of start of the engine - the general information and safety measures
Removal and starter installation
Check of system of start of the engine
Manual box of a gear change
Coupling, power shafts and differential
Suspension bracket and steering
Onboard electric equipment
Check and gymnastics of the storage battery
The maloobsluzhivaemaja storage battery
If annual run of the car is insignificant, for check заряженности the accumulator each three months it is necessary to measure electrolit density. Measure density ареометром and compare the received result with resulted in the table presented more low.
Keep in mind that the data is resulted for electrolit temperature 15°С. At increase in temperature at everyone 10°С it is necessary to add on 0.007, at similar reduction — to subtract on 0.007.
If the battery condition causes fears, check up electrolit density in everyone bank. The difference on more than 0.040 specifies in loss of electrolit or damage of plates.
If the difference in density exceeds 0.040 aккумулятор is subject to replacement. If the difference in density satisfactory, but the battery is discharged, it it is necessary to charge and check up electrolit density. The sequence of actions at gymnastics is resulted more low.
The unattended storage battery
If on the car the tight storage battery is established, to check up density of electrolit and to restore its level it is impossible. The battery condition can be checked up by means of the built in indicator or the external voltmeter.
Some models are equipped with unattended batteries which case the degree indicator заряженности is built in. It is located from above and changes the colour at degree change заряженности batteries. If the indicator has green colour, the battery is completely charged, if the indicator red - the battery has to be charged. The sequence of actions at battery gymnastics is resulted more low in the given Section. Batteries of other manufacturers too can have the built in indicator of degree заряженности. In this case follow the instructions resulted in the maintenance instruction of the storage battery.
Storage batteries of all types
At check of the battery by means of the external voltmeter connect it to plugs and compare the received result to the data resulted in Specifications. The result of measurements will be true if the battery was not charged at least within last 6 hours. If it was charged - include for 30 seconds of a headlight, then wait for 5 minutes and check up pressure on plugs. All other electric equipment (including even внутрисалонное illumination) should be thus included.
If the result of measurements less than 12.0 In the battery is discharged, and pressure from 12.0 to 12.4 signals about partial разряженности.
If the battery is necessary for charging, remove it from the car (address to Section Replacement of the storage battery) and charge, following the procedure described more low.
Check of fastening of plugs of the storage battery and the holder
Move plugs of the storage battery every which way and check up reliability of their fastening, if necessary tighten.
If the storage battery is badly fixed, tighten a bolt of fastening by the moment 20Нм.
Check of the storage battery under loading
Attach to plugs of the battery the voltmeter.
Start the engine and check up pressure.
At the moment of engine start at completely charged battery pressure should not fall more low 10 In (at electrolit temperature nearby 20°С).
If pressure sharply falls also electrolit density in various sections is various, the battery is damaged also it it is necessary to replace.
The sequence of actions resulted more low can differ from recommended by the manufacturer of the accumulator established on the car. In this case use recommendations of the manufacturer.
Usual and малообслуживаемая the storage battery
To charge the battery follows a current equal of 10 % from capacity (for example if the battery capacity makes 45 Ach to charge it follows a current of 4.5 Amperes) until within 4 hours the electrolit density in banks will not increase.
On the other hand, automatic зарядное the device with a current of an order of 1.5 amperes can be left included on all night long.
Zarjadnye devices of the "accelerated" type which, ostensibly, can charge completely the accumulator for a pair of clocks, it is not recommended use, as at the big currents of a plate of the battery can overheat and collapse.
At battery gymnastics watch, that the temperature of electrolit did not exceed 37.8°С.
Gymnastics of the unattended battery
For full gymnastics of the battery of the given type it is required большее time, than for gymnastics малообслуживаемой or usual. Duration of gymnastics depends on degree разряженности and can occupy about three days.
The pressure developed зарядным by the device, should lie in a range 13.9 - 14.9 Volt, the current should not exceed 25 Amperes. Under existing conditions the battery can be used in 3 hours, pressure on plugs should be an order of 12.5 Volt. Achievement of full gymnastics will occupy longer time.
Remarks on security measures
Before gymnastics of the storage battery familiarise with remarks on the security measures resulted in Section Check of a condition of the battery, care it and gymnastics.
Gymnastics strongly discharged and сульфатированной the storage battery
The storage battery, long time not used (for example, at long parking of the car), is discharged and сульфатируется in due course.
If pressure of idling of the battery lies more low 11.6 In the battery is considered strongly discharged. Check up pressure of rest, thus address to Section Check of a condition of the battery, care it and gymnastics.
At strongly discharged battery of electrolits consists almost of one water.
Strongly discharged battery сульфатируется, i.e. on a surface of electrodes are formed large малорастворимые crystals of sulphurous lead. The electrolit thus loses a transparency and gets weak white colouring.
Strongly discharged and сульфатированная the battery should be charged by a small current (about 5 % from capacity size). For example, at capacity of the battery of 60 Ach, force зарядного a current should make 3 And.
Pressure at gymnastics should make no more than 14.4 Century
Fast gymnastics/help at start
The device for fast gymnastics charge the battery only for maintenance of start of the car. Thus force зарядного a current makes 20 % and more from battery capacity. Thus the battery is damaged, since. Is exposed to influence of the big currents. Time not used and strongly discharged battery is long it is not necessary to charge the device for fast gymnastics since it leads сульфатации.