Mercedes S-Class W-220

since 1998 release

Repair and operation of the car

Mercedes W220
+ Mercedes-Benz cars of the class S (W220)
+ Operation manual
- Routine maintenance
   Specifications
   Active system of the warning of the term of approach planned THAT (ASSYST)
   Schedule of routine maintenance
   General information on control
   Check of levels of liquids, control of leaks
   Check of a condition of tires and pressure in them. Designation of tires and disks of wheels. Rotation and replacement of wheels
   Replacement of motive oil and oil filter
   Check of the brake system
   Check of fuel system
   Check of a state and replacement of hoses of a motive compartment, localization of leaks
   Check of a condition of ridge belts of the streaming drive of auxiliary units
   Check of functioning of the cooling system and frost resistance of cooling liquid. Liquid replacement
   Check of a condition of system of production of the fulfilled gases
   Check of level of oil of automatic transmission
   Visual check of tightness of automatic transmission
   Check of a state component of a suspension bracket and steering
   Check of a condition of protective covers of power shafts
   Check of level of liquid of system of hydrostrengthening of a wheel
   Check of the air conditioning system
   Lubricant of limiters of doors and cylinder of the lock
   Visual control of a seat belt and block of a safety cushion
   Check of operability of headlights and horn
   Check of a state, adjustment and replacement of brushes of screen wipers
   Check of a condition of the battery, care of it and charging
   Replacement of an element of the filter of air of salon / coal filter of purification of air
   Replacement of brake fluid
   Check and replacement of spark plugs. Check of a condition of high-voltage wires
+ Engine
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Automatic transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment

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Check of a condition of ridge belts of the streaming drive of auxiliary units

Scheme of laying of belts of the streaming drive of auxiliary units


1 — the Tension roller 2 — the Crankshaft 3 — the air conditioner Compressor 4 — the Water pump	5 — the Generator 6 — the Roller 7 — the Hydraulic booster of a belt 8 — the Roller

Survey

PERFORMANCE ORDER

1. The tension of a ridge belt is made automatically. It is necessary to check periodically a condition of a belt, and at detection of defects, to replace a belt.
2. The tension of a belt is carried out by an automatic natyazhitel and does not need check.
3. Switch off the engine, establish transmission in neutral situation. Lift and install the car on supports.
4. Mark chalk a belt on well foreground.
5. A head turn the engine for a pulley of a bent shaft in the direction of rotation, i.e. to the right side so that cretaceous marking was visible. At the same time the site behind the site see a belt.
6. Fingers (and using a small lamp if it is necessary) walk on all length of a belt, feeling on existence of cracks and stratifications. Also check whether is not present on a belt of attritions and sites, zapolirovanny to gloss. The belt has to be examined on both sides that means need of its twisting for check of a condition of inner side. Be in passing convinced of lack of a rust, cracks and agnails on pulleys. On a working surface of a belt existence of superficial perpendicular cracks is allowed. If these cracks do not overstep the bounds of one edge and not really deep, to replace a belt there is no need.

Wear of edges of edges of a ridge belt

Cross cracks of D from a reverse side of a belt and peeling of edges E ridge belts

Razlokhmachivaniye of side edges of F, crack of N and peeling of side edges of G

Separation of edges of J, K crack

7. The tension of a belt is checked by strong pressing for it by a thumb and definitions of degree of its deflection. Measure the size of a deflection by a ruler. If the distance between centers of pulleys makes from 180 to 280 mm, then the size of a deflection has to equal 6 mm. If the distance between centers of pulleys is in limits between 300 and 400 mm, the deflection has to be 13 mm.
8. In the presence of one or several of the specified damages maple the belt needs to be replaced with new.

9. Correctly place a belt on pulleys. Even short-term work of incorrectly established belt can lead to its damage.