Mercedes W124

since 1985-1995 of release

Repair and car operation



W124 Mercedes
+ Governing bodies and control devices
+ MAINTENANCE
- 2. Maintenance (diesel engines)
   2.2. Periodicity of service
   2.3. Maintenance
   - 2.4. Each 9 000 km
      2.4.2. Check of elements of system of a being self-leveled back suspension bracket
      2.4.3. Check of level of oil in an automatic transmission
      2.4.4. Check of tightness of hoses and liquid effluence
      2.4.5. Check and replacement of an auxiliary driving belt
      2.4.6. Check of central air of air
      2.4.7. Check and adjustment of turns of idling
      2.4.8. Check of a forward suspension bracket and steering
      2.4.9. Shock-absorber check
      2.4.10. Check of a protective cover of a power shaft
      2.4.11. Check of forward brake shoes
      2.4.12. Check of back brake shoes
      2.4.13. Check of an exhaust system
      2.4.14. Check of level of oil in a mechanical transmission
      2.4.15. Check of level of oil in the main reverse gear
   + 2.5. Each 58 000 km
   2.6. Each 12 months
   2.7. Each 3 years
+ ENGINE
+ 4. Repair of 6-cylinder petrol SOHC engines
+ 5. Repair of 6-cylinder petrol DOHC engines
+ 6. Repair of the diesel engine established in the car
+ 7. Major maintenance of engines
+ COOLING SYSTEM
+ FUEL SYSTEM
+ 10. System of injection of BOSCH CIS-E fuel (KE-JETRONIC)
+ 11. System of injection of BOSCH HFM fuel
+ 12. Fuel system of diesel engines
+ 13. Fuel system of diesel engines
+ SYSTEMS OF START, IGNITION
+ 15. System of ignition of 4-cylinder petrol engines
+ 16. System of ignition of four-cylinder petrol engines
+ PRESTARTING HEATING
+ TRANSMISSION
+ 19. Mechanical transmission
+ 20. Automatic transmission
+ POWER SHAFTS
+ BRAKE SYSTEM
+ SUSPENSION BRACKET
+ BODY
+ ELECTRIC EQUIPMENT
+ CHECK OF MALFUNCTIONS






2.4.7. Check and adjustment of turns of idling

Check

PERFORMANCE ORDER
1. Check and, if necessary adjust an accelerator cable (see subsection 9.8).
2. Start the engine and warm up it to normal working temperature. Switch off everything electric consumers.
3. Using a tachometer for diesel engines, check idling turns.

Adjustment

Engines with pneumatic adjustment of turns of idling

PERFORMANCE ORDER
1. Weaken a lock-nut on the top part of the vacuum chamber of turns of idling which is fixed on a back part of the fuel pump.
2. Turning the vacuum chamber a wrench, establish demanded turns of idling. Tighten a lock-nut.

Engines with ELR management of idling turns

PERFORMANCE ORDER
1. Disconnect the electric socket from the electromagnetic executive mechanism which is attached on a back part of the fuel pump.
2. The screw of adjustment of turns of idling is located over the case of the electromagnetic executive mechanism. Weaken a lock-nut and, rotating the adjusting screw, establish demanded turns of idling. Tighten a lock-nut and connect the electric socket.

Engines with EDS management of idling turns

PERFORMANCE ORDER
1. Disconnect the electric socket from the electromagnetic executive mechanism which is attached on a back part of the fuel pump.
2. The screw of adjustment of turns of idling is located over the case of the electromagnetic executive mechanism. Weaken a lock-nut and, rotating the adjusting screw, establish demanded turns of idling. Tighten a lock-nut and connect the electric socket.
3. Turns of idling can be changed also by crossing point shift in a special nest.
4. The nest is established in office of accessories in the back right side of a motor compartment.
5. For change of provision of a crossing point take it from a nest and establish in new situation which is designated by figures from 1 to 7 on a back part of a nest.
6. Situation No. 1 corresponds 600 rpm, and situation No. 7 corresponds 700 rpm.