Mercedes S-class W202

1993-2000 of release

Repair and car operation



Mercedes W202
+ 1.2. The general data
+ 2. Maintenance service
+ 3. Engines
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. A running gear
+ 11. A steering
+ 12. Brake system
+ 13. A body
- 14. An electric equipment
   14.1.2. Measuring devices
   14.1.3. Technics of measurements
   14.1.4. Electric equipment checks
   14.1.5. A sound signal
   14.1.6. Replacements of safety locks
   + 14.1.7. The storage battery
   + 14.1.8. The generator
   + 14.1.9. A starter
   14.1.10. The traction relay
   + 14.1.11. Illumination system
   14.1.12. Devices
   14.1.13. The instrument panel
   14.1.14. Lamps накаливания on the panel of devices
   14.1.15. Light switch
   14.1.16. A radio receiver
   + 14.1.17. The aerial
   14.1.18. Dynamics
   + 14.1.19. Rubber brushes of screen wipers
   14.1.20. Jets стеклоомывателя
   14.1.21. Washing atomizers of headlights
   14.1.22. A screen wiper and its engine
   14.1.23. Protect the car
   14.1.24. Anticreeping "immunodeficiency"
   14.1.25. Why headlights grow dull
   14.1.26. "Галогенки"
+ 14.2. Electroschemes











14.1.6. Replacements of safety locks
THE GENERAL DATA

To avoid the damages connected with short circuits and overloads in lines and consumers of electric system, separate electric chains are protected by fuses. Safety locks with ножевыми contacts so usual (traditional) safety locks can to be applied any more are applied.

Safety locks mainly take places in one block of safety locks and the relay which is at the left behind in a motor compartment.

The second block of safety locks is in a luggage carrier in front of the storage battery. Before replacement of a safety lock each time at first disconnect the corresponding consumer.

PERFORMANCE ORDER
1. Uncover the block of safety locks.
2. Fused safety lock define on the metal strips fused on walls. Safety locks of two updatings are built in: "and" – from 7, 5 to 30 And, "in" – 30 and 40 And.
3. Take a faulty safety lock. For extraction of safety locks use the plastic tweezers which are in the complete set of the tool, applied on the car.
4. Insert the new safety lock calculated on the same current strength. The rated current is beaten out on a safety lock cartridge. Besides, the cartridge at safety locks "and" has distinctive colouring on which also it is possible to define rated current (See the table).
5. Again cover with a protective cover the block of safety locks.
6. If again inserted safety lock after short time again fuses, it is necessary to check up a corresponding electric chain.
7. At all do not replace a safety lock with a wire or a similar auxiliary material because it can cause serious damages to electric system.
8. We recommend to have constantly in a motor vehicle some spare safety locks. For their preservation in the mainframe of safety locks there are some holders.
9. Instructions: the site of safety locks depends on equipment and year of release of the car, actual position of safety locks is resulted on a cover of the block of safety locks and in the operation manual.


NOMINAL CURRENT STRENGTH IN AMPERES
DISTINCTIVE COLOURING OF THE STANDARD SAFETY LOCK
10
The red
15
The blue
20
The yellow
30
The green

Relay positions

Relays are established in the block of safety locks and the relay in a motor compartment.

The alphabetic index of the relay / the actuation device


AND
КЗ/1
Partial (парциального) preliminary heating of an inlet gas pipeline (PSV)
IN
К20
Preliminary supercharger
C/D
К9
The additional fan
Е
К2
Devices for cleaning рассеивателя headlights (фароочиститель or фароомыватель)
F
К39
Headlights
G
Н
К17
Forcings of air (pressurisation)
TO
N10
The combined relay (blinking), light-signal device, heating
Back glass
The cleaner engine etc.
N10/2
The combined relay (the blinking light-signal device with the towing device, heated up back glass, the screen wiper engine)
L
N7
The device of the control of lamps