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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz Sprinter (from 1995 to 2000, the year of issue)

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Mercedes-Benz Sprinter
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Inspection and maintenance of the battery



The level of the electrolyte
Battery maintenance-free. It is filled with an electrolyte - sulfuric acid solution in distilled water. Since water can evaporate from a solution, from time to time you need to check the electrolyte level and top up with distilled water. The electrolyte level must be between the marks on the battery. Set at the factory battery is protected from overflow. To fill the water on top of the battery unscrew the cap and pour distilled water until the electrolyte will not be visible.
The charge level

Check the density of the electrolyte
Fig. 303. Checking the density of the electrolyte: 1 - hydrometer; 2 - electrolyte level mark




Measuring the density of the electrolyte
Fig. 304. Measuring the density of the electrolyte




To test using a hydrometer. Unscrew the cap on top of the battery and push the tip of the device through the rubber protection from the overflow (fig. 303). Rubber bulb to pump as much electrolyte hydrometer to float the unit to float freely in the liquid (Fig. 304). Depending on the degree of charge of the battery electrolyte has a different density, which is determined by the level of immersion of the float device. With a value of 1.28 battery is fully charged, a value of 1.12 - exhausted. Intermediate values indicate the proper state of charge.
Charging the battery
In heavily discharged battery topped up with distilled water only after the charging. If you charge the electrolyte level rises, so completely charged battery can therefore "boil". First charging current must not exceed 10% of the battery capacity. Depending on the charging device further charging current is gradually reduced. The battery is fully charged when the electrolyte density does not change for 2 hours.
Corks batteries must be turned inside out and put in the hole tankers to produced from oxygen and hydrogen, an explosive gas disappears. Since the charge is difficult to avoid splashing of the electrolyte, the surface around the battery cover is recommended, such as a newspaper. When charging an enclosed space should be ventilated. In no case can not use open fire.
When using household charger battery can not be removed from the vehicle, wires - do not disconnect. When using the quick charger, disconnect both battery terminals to avoid damage to the generator diodes, electronic devices, radio, etc. In this case, the charging current should not exceed 50% of the battery, the charging time to 30 minutes.
Removing and installing battery

Battery location
Fig. 305. Location Battery




The battery is installed in the engine compartment in the location shown in Fig. 305. Before removing the battery switch off the ignition. Remove the side and top of the plastic protective cover. Unscrew and remove the negative and positive terminals. Loosen the screws of the battery holder, remove them, and then remove the battery. First, disconnect the negative terminal. Before installing the first clean and lubricate the composition of the terminals for the terminal. Please connect the positive wire and screw. Bolts tighten battery 20 Nm.

Note
If your car is equipped with radio with anti-theft code after removing the battery will need to enter the code.

If the vehicle is not in use for a long time, it disconnects the "minus" wire to electricity consumers, such as, for example, the clock does not drain the battery. Charge the battery should be at least once every 3 months, as the dead battery quickly fail.
Battery Recycling
When replacing old batteries must be disposed of. You can not dispose of batteries with household waste. It should find a place where they take the used batteries. When transporting the battery in the car it is necessary to ensure that it is not overturned. In this case, the electrolyte is spilled, and the car will be damaged. After working with the battery it is necessary to wash your hands - it is impossible to wipe them of the clothes.
Start the engine when the battery is discharged

To connect to the "Booster"
Fig. 306. To connect to the "Booster": 1 - battery positive terminal, from which "get a light"; 2 - positive terminal of discharged battery; 3 - negative terminal of the battery from which the "get a light"; 4 - connect to "weight" on the cylinder block




The easiest way to use wires for the "Booster" that must be adequately sized and reliable terminal. It is better to buy more expensive copper wires. Insulation cheaper aluminum wire is heated, so when removing the terminal can burn your fingers. First connect the positive lead to both positive terminal, then the negative. In Fig. 306 shows how to connect the wires.
Note the following precautions:
- The voltage and capacity of the batteries should be the same;
- That there was no fault with the "mass" cars do not touch each other;
- Turn off all electricity consumers;
- Batarei- negative wire from the "donor" is not attached to the negative terminal of the battery pack. In Fig. 306, this wire is attached to the cylinder block;
- The engine of the car, which "get a light" must be stopped!
Start using tug
Careless towing can cause serious damage. Remember that when the engine is not operating any power brakes or power steering. For this reason, use of this method is not recommended. In case of emergency it is necessary to strictly observe the following precautions:
- The battery must be installed and connected;
- If the engine does not start immediately, may be damaged catalytic converter;
- For towing must use reliable tow bar;
- Warning light should go out preheating;
- It enables the transmission of 2 or 3;
- After the beginning of the movement slowly release the clutch pedal and press the pedal of giving of fuel.
Let the engine can be towed by a car and an automatic gearbox. It is necessary to adhere to the following precautions:
- The ignition key translate in position 2 and wait until the light goes out preheating;
- Lever manual transfer switch N;
- Start towing (sine qua non - reliable tow bar). In cold KP should not be towed at speeds above 25 km / h, with heated - more than 40 km / h. Hold that speed for about 2 minutes to the CP formed the necessary pressure;
- Transfer gearbox lever to position 2;
- Do not press the pedal fuel supply until the engine gearbox not scroll. After the engine is empty, immediately transfer gearbox lever to position N.
If the engine does not start
In this case, you need to tow the vehicle, taking into account the following:
- Power brakes and power steering when the engine is not functioning;

Towing eye
Fig. 307. The towing eye




- For towing only use the tow bar safe, secure place is indicated in Fig. 307.
When you set manual gearbox
Towing is allowed no more than 100 km without having to remove the propeller shaft. Manual lever to neutral position. If the distance is greater towing, remove the propeller shaft.
When installed automatic gearbox
Towing may be no more than 50 km without removal of the propeller shaft. Do not exceed the speed of 40 km / h. If the distance is greater towing, remove the propeller shaft.




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