Mercedes W124

since 1985-1995 of release

Repair and car operation



W124 Mercedes
+ Governing bodies and control devices
+ MAINTENANCE
+ 2. Maintenance (diesel engines)
+ 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)
   10.2. General information
   + 10.3. Accelerator cable
   10.4. Air filter
   10.5. Casing of the air filter
   10.6. Fuel filter
   10.7. Pressure accumulator
   10.8. Fuel level sensor
   10.9. Fuel pump
   10.10. Fuel tank
   10.11. Throttle case
   10.12. Inlet collector
   + 10.13. Elements of system of injection of KE-JETRONIC fuel
   10.14. Pressure removal in fuel system
   10.15. Adjustment of turns of idling and the contents WITH in exhaust gases
+ 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






10.6. Fuel filter

GENERAL INFORMATION

Prevention

Gasoline extremely fire - also is explosive, therefore it is necessary to show care at work on any part of fuel system.

Works on fuel system are necessary for making in well aired room for what it is possible to open all windows and doors for draft creation.

At work on fuel system do not use open fire, electric welding and tools, at work with which sparks can be formed. Check that in close proximity to a workplace there is a charged fire extinguisher.

For protection of eyes against fuel hit in them use points. At fuel hit on skin wash out this place a plentiful quantity of water.

The capacity in which there was a fuel, contains pairs of fuel and is potentially explosive.

At work with fuel system observe purity as the dirt which has got to channels of fuel system, can block them that will break normal operation of the engine.


Removal

The fuel filter is established in submitting топливопроводе and access to it is possible from under the lower part of the car.

Unscrewing of screws of fastening of a protective casing of the fuel filter

Arrangement of connecting bolts of fastening топливопроводов to the fuel filter

Arrangement of the screw of fastening of the belt holding the fuel pump

PERFORMANCE ORDER
1. Remove pressure in fuel system.
2. Remove a weight wire from the accumulator.
3. Lift a back part of the car and fix on supports.
4. Unscrew screws and remove a protective casing of the fuel pump, the fuel filter and the pressure accumulator (see fig. Unscrewing of screws of fastening of a protective casing of the fuel filter).
5. Using clips, press fuel hoses from two parties of the fuel pump.
6. Unscrew the connecting bolts, fixing fuel hoses to the fuel pump and remove hoses from the fuel pump (see fig. An arrangement of connecting bolts of fastening топливопроводов to the fuel filter). If connection of fuel hoses to the fuel filter is made by bayonetny clips, remove clips from the fuel filter and remove sealing laying.
7. Unscrew the screw, take a fixing element and remove the fuel filter from an arm (see fig. An arrangement of the screw of fastening of the belt holding the fuel pump). On later models the arm fastens two screws which also fix the fuel pump.

Installation

PERFORMANCE ORDER
1. Installation is made in sequence, return to removal taking into account the next moments.
2. The arrow on the case of the fuel filter specifies the direction of a stream of fuel and should be directed to the engine.
3. Check that brackets of fastening of the fuel filter are correctly placed on an anticorrosive plastic isolating tube on the filter case.
4. When using bayonetny connections it is necessary to establish new sealing laying.
5. Start the engine and check that there are no leakages of fuel from connections of the fuel filter.