Mercedes W124

since 1985-1995 of release

Repair and car operation



W124 Mercedes
+ Governing bodies and control devices
+ MAINTENANCE
+ 2. Maintenance (diesel engines)
+ ENGINE
+ 4. Repair of 6-cylinder petrol SOHC engines
+ 5. Repair of 6-cylinder petrol DOHC engines
+ 6. Repair of the diesel engine established in the car
+ 7. Major maintenance of engines
+ COOLING SYSTEM
+ FUEL SYSTEM
+ 10. System of injection of BOSCH CIS-E fuel (KE-JETRONIC)
+ 11. System of injection of BOSCH HFM fuel
+ 12. Fuel system of diesel engines
+ 13. Fuel system of diesel engines
- SYSTEMS OF START, IGNITION
   14.2. General information
   14.3. Rules of care of the accumulator
   14.4. Accumulator check
   14.5. Battery charging
   14.6. Accumulator
   14.7. Charging system
   14.8. Generator
   14.9. Replacement of the block of a regulator of tension and shchetkoderzhatel
   14.10. System of start of the engine
   14.11. Starter
+ 15. System of ignition of 4-cylinder petrol engines
+ 16. System of ignition of four-cylinder petrol engines
+ PRESTARTING HEATING
+ TRANSMISSION
+ 19. Mechanical transmission
+ 20. Automatic transmission
+ POWER SHAFTS
+ BRAKE SYSTEM
+ SUSPENSION BRACKET
+ BODY
+ ELECTRIC EQUIPMENT
+ CHECK OF MALFUNCTIONS






14.3. Rules of care of the accumulator

GENERAL INFORMATION

If you are going to keep operability of the battery throughout the longest period of time, observe the following rules:

– at the idle engine switch off all electric devices in the car;
– disconnection of the battery from a network of the car begin with a negative wire;
– each 15–20 days (through 2 500 km of run) wipe the accumulator from dirt in order to avoid its self-category. With the same purpose it is necessary to eliminate begin to flow electrolit and to isolate from the case a fixing frame;
– the accumulator should be reliably fixed on the car. Watch that plugs of wires were strongly fixed on accumulator conclusions, explosion otherwise is possible;
– the accumulator can continuously work in a starterny mode no more than 15 seconds; the break between cycles should make not less than 60 seconds;
– periodically check the voltmeter the tension developed by the relay regulator. Indications are necessary for removing directly on plugs аккумулято ра at the working, heated-up engine. The size of tension should keep within a range from 13,8 to 14,5 Volts;
– on served accumulators it is desirable to check level and electrolit density through each 3 000 km. Level of electrolit is checked on a special mark in transparent cases or by means of a special glass tube in opaque cases. The electrolit should close the upper edge of plates on 10–15 mm. The density of electrolit is checked by means of the areometer. If the density became lower than value of 1,23 g/cm3 in the winter and 1,19 g/cm3 in the summer, additional charge is necessary;
– even if the generator and a regulator of tension are serviceable, and electrolit level in norm, additional charge by means of the charger is necessary once a month in the winter and each 6 months in other seasons;
– it is possible to store the accumulator filled in with electrolit only completely charged, thus the density of electrolit should be checked once a month.

Some councils

– a battery charging make a current making exactly 0,1 from nominal capacity. For example, the accumulator in capacity 50 And / is necessary for charging a current force 5 And, at the unscrewed jams of jellied openings h;

– it is not necessary to fill in in the accumulator of electrolits with specific weight more than 1,28 g/cm3. Trying to increase, thus, a starting current, you in a short period will put out of action the accumulator. For the same reason to lead up electrolit level to norm it is possible only the distilled water;

– in the opaque served battery level of electrolit can be measured by means of a hollow glass tubule, having closed one its end a finger. In taken "test" the height of a column of liquid in a tube will correspond to height of excess of level of electrolit over the upper edge of plates;

– it is necessary to remove begin to flow electrolit or to neutralize possibility of influence of electrolit on surrounding subjects; to make it it is possible by means of 10 percent solution of sal ammoniac or soda.

Operation of the discharged battery, especially is not allowed in the winter.

In the discharged accumulator the water percent in electrolit is too high. The electrolit can freeze and put out of action the accumulator case. Do not try to charge the frozen accumulator a big current or to get the car from an extraneous source, Let's to the accumulator thaw, and then try to restore it by a charging a current of small force, and it still can serve.

Crack in bank of the served accumulator – not always the reason of its replacement. Pour out electrolit, dry up and wash out gasoline a crack then process it a file. Sawdust, having formed шиеся when cutting crack, mix with epoksidny glue or a shpatlevka. With the received structure carefully cover a crack. After this procedure of electrolits fill in not earlier than in 24 hours.