E39 series BMW 5

since 1996-2001 of release

Repair and car operation



E39 BMW
+ Introduction
+ Maintenance instruction
- Current leaving and service
   Schedule of routine maintenance
   Introduction
   Current leaving
   General information on control
   Check of levels of liquids
   Check of a condition of tires and pressure in them
   Replacement of impellent oil and oil filter
   Check and adjustment of turns of idling of the engine and level WITH
   Replacement of an element of the air filter
   Replacement of the filter of air of salon
   Check of brake system
   Visual control of the bottom and body elements
   Check of level of liquid of system of hydrostrengthening of a wheel
   Wheels and tires. Rotation, replacement, balancing and leaving. Snow chains. "Sekretki" of wheels. Elimination of trembling of a wheel
   Check of a condition and replacement of hoses of an impellent compartment
   Check of a condition of driving belts
   Check of a condition of the battery, care of it and charging. Replacement of an element of a food DU brelka
   Check and replacement of spark plugs
   Check of functioning of fuel system. Winter operation of the Diesel engine
   Check of functioning of system of cooling
   Check of a condition of system of production of the fulfilled gases
   Check of a condition of components of a suspension bracket and steering
   Check of a condition of protective covers of power shafts
   Greasing of locking devices
   Visual check of seat belts
   Check of a condition and replacement of brushes of screen wipers
   Replacement of brake liquid
   Replacement of liquid of system of cooling. Check of frost resistance of a cooler. Visual check of system of cooling
   Sediment removal, replacement of the fuel filter. Air removal from fuel system of the diesel engine
   Replacement of transmission oil of a manual box of gear shifting
   Replacement of lubricant liquid of differential
   Check of thickness of a conducted disk of coupling
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Schemes
+ System of onboard diagnostics


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Check of a condition of driving belts

Condition check

Driving ridge belts, are in a forward part of the engine and play important role in operation of the car and its separate components. Because of features of a material and operating conditions driving belts fail after a while, and consequently their condition it is necessary to check and regulate periodically effort of a tension in order to avoid serious damages of the engine.

The quantity of the belts used on the concrete car, depends on the units established on it and systems. Driving belts are applied to actuating of the generator, the steering pump, the water pump and the compressor of central air of air. Depending on an arrangement of pulleys one belt can put in action at once some components.

 PERFORMANCE ORDER

1. Switch off the engine, open a cowl and find various driving belts in a forward part of the engine. Fingers (and using a small lamp if it is necessary) walk on all length of each belt, feeling them on existence of cracks and stratifications. Also check, whether is not present on belts of attritions and zapolirovanny sites to shine. Each belt should be examined from both parties that means need of its perekruchivaniye for check of a condition of seamy side.

2. The tension of a belt is checked by strong pressing on it by a thumb and definitions of degree of its deflection. Size of a deflection measure by a ruler. The rule of a thumb says that if the distance between centers pulleys makes from 180 to 280 mm, the size of a deflection should equal 6 mm. If the distance between centers pulleys is in limits between 300 and 400 mm, the deflection should be 13 mm.
3. Wear of lateral surfaces: a point of edges (In), at a new belt of an edge have a trapetseidalny form.

4. The pulling branch of a belt is visible in the basis of edges. Is determined by more light places.

5. Existence of cross-section cracks (D) on a reverse side of a belt.
6. Otsloyeniye of separate edges (Е).

7. Razlokhmachivaniye of external plaits of a belt (F). Address to an accompanying illustration.
8. Lateral having dug a plait (G).
9. Existence of cross-section cracks (H) in many edges.

10. Breaks of edges (J). Address to an accompanying illustration.
11. Separate cross-section breaks of edges (K).

12. Deposits of dirt and stones between edges.
13. Rubber outgrowths in the basis of edges.
14. In the presence of one or several of the listed defects the belt should be replaced, address to the Section Removal, installation and a tension of a maple belt.
15. Check a belt on aging on existence of cracks. For the rest the belt does not need service.
Maple the belt stretches an automatic natyazhitel. To check a tension of a belt it is not required.