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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (from 1993 to 2000, the year of issue)

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Mercedes-Benz C-class
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V-ribbed belt
Tensioned V-ribbed belt device
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V-ribbed belt



V-belt (standard)

1. Tensioner
2. The crankshaft pulley
5. Pulley three-phase generator
7. Pulley power steering pump
8. Pulley water pump

V-belt driven by all additional units of the engine. The ribbed V-belt is wider than conventional V-belt and has a lot on the inside of the ribs. The ribbed V-belt is tensioned by an automatic tensioning device consisting of a tension spring, the tension wheel and shock absorber. Shock Absorber provides uniform tension of the belt at all engine speeds. Depending on vehicle equipment, the V-belt has a different length.

Withdrawal

PERFORMANCE ORDER
1. Remove the hydraulic clutch fan.

A warning

Union nut has a left-hand thread.


2. Remove the device pulls, loosen the collar nut (378).
3. Insert the opening lever tension spring (374) and the rod pressing them against the force of a tension spring (380) to the left (in the direction of the dipstick) until the bolt (375) is not unloaded so that it will be possible to push in the direction of the inlet tube. As the rod, you can use the wrench from the tool kit car or arm length of about 300 mm and a diameter of 12-13 mm.
4. Slowly release the lever spring tension, squeeze the tension roller and remove the V-belt.

Setting

PERFORMANCE ORDER
1. Check profiles pulleys for damage and contamination, if necessary, clean or replace the pulleys. At the same time pay attention to the hole in the belt pulley and the attachment points loosened tensioning device.
2. If there are holes in the pulley, replace it. Replace tensioner as if shaken bearing mounting.
3. The ribbed V-belts having protrusions contamination between the ribs, belts with transverse cracks and the broken ribs necessarily replace.
4. Gently lift the tension roller, turn the back side of the belt so as to form a small loop, and push it between the pulleys coolant pump and the crankshaft.
5. Firmly press the ribbed V-belt to the belt pulley and the water pump pulley while turning to the left (arrow) until the strap rests on the tension roller.

6. Apply the V-ribbed belt on the tensioning pulley and the crankshaft pulley. Then, turning loose of the strap, put it on the belt pulleys of the cooling compressor, power steering pump, water pump and generator three-phase current.

7. With the help of the rod (1) turn to the left tension lever spring (2) until it allows the bolt (3). So carried the belt tension. (4 - a tension spring)
8. Tighten the collar nut (1).

9. Check the tightness of the wedge ribbed belt on the pulleys.

10. Replace the hydraulic clutch fan.




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Tensioned V-ribbed belt device

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