Citroën Xantia

since 1993 release

Repair and operation of the car



Citroën Xantia
+ Introduction
+ Operation manual
+ Routine maintenance
+ Repair of the engine
+ Cooling systems, heating
- Power supply system and release
   + A power supply system - petrol models
   - A power supply system - diesel models
      Filling of a power supply system with fuel and removal from it air traffic jams
      Check and adjustment of the maximum turns of the engine
      Removal, installation and adjustment of the thermosensitive RPM meter of bystry idling
      The electromagnetic locking valve - general information, removal and installation
      Removal and TNVD installation
      Methods of check of installation of the moments of injection of fuel
      Check and adjustment of the moments of injection (TNVD Lucas)
      Check and adjustment of the moments of injection (TNVD Bosch)
      Check of serviceability of functioning, removal and installation of nozzles of injection of fuel
      Removal, installation and adjustment of a cable of gas
      Removal and installation of the accelerator pedal
      Removal and installation of assembly of a toplivozabornik with fuel consumption sensor
      Removal and installation of the fuel tank
      Removal and installation of the inlet pipeline and final collector
      Turbocompressor - general information and precautionary measures
      Removal and installation of a turbocompressor
      Check of a state and recovery repair of a turbocompressor
      Removal and installation of the built-in cooler of a turbocompressor
      Removal and installation of the air cleaner and the accompanying components
   + Systems of decrease in toxicity and production of the fulfilled gases
+ Engine electric equipment
+ Coupling
+ Transmission
+ Power shafts
+ Uniform hydraulic system
+ Brake system
+ Running gear and steering
+ Body and finishing of salon
+ Onboard electric equipment
+ Schemes of electric equipment


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Check and adjustment of the maximum turns of the engine

The screw of adjustment of the maximum turns is sealed up at manufacturer. It is meant that need for performance of adjustments will hardly arise. It is not necessary to skirt sealing before the termination deadlines of guarantee maintenance of the car. In case of need adjustments their performance will require a tachometer. Alternative methods are described in the Head Routine maintenance.


Adjusting points of TNVD of the Lucas system

1 — the Lever of a manual stop of the engine
2 — a fuel return Tube
3 — the Screw of adjustment of the maximum turns of the engine
4 — the Electromagnetic locking valve
5 — a fuel Admission

6 — the Cap of an opening of phases of gas distribution
7 — the Operating lever (the gas lever)
8 — the Screw of adjustment of turns of prevention of a spontaneous stop of the engine
9 — the Lever of bystry idling
10 — the Screw of adjustment of turns of idling


Adjusting points of TNVD of the Bosch system

1 — the Screw of adjustment of turns of bystry idling
2 — a cable tip Clamp
3 — the Lever of bystry idling
4 — the Screw of adjustment of turns of idling
5 — the Screw of adjustment of turns of prevention of a spontaneous stop of the engine

6 — the Screw of adjustment of a driving cable of bystry idling
7 — the Screw of adjustment of a cable of gas
8 — the Screw of adjustment of the maximum turns of the engine
9 — the Operating lever (the gas lever)
and — the Adjusting washer of correction of turns of prevention of a spontaneous stop of the engine


 PERFORMANCE ORDER

1. Start the engine and warm up it up to the normal working temperature.
2. Ask the assistant to squeeze out completely the accelerator pedal, and by means of a tachometer check the maximum turns of the engine for compliance to their requirements of Specifications. Do not allow operation of the engine on the maximum turns within more than two-three seconds.
3. In case of need, kill the engine, remove a seal, weaken a lock-nut and by means of the adjusting screw (see illustrations Adjusting points of TNVD of the Lucas system and Adjusting points of TNVD of the Bosch system) execute correction of the maximum turns of the engine. Again strongly tighten a lock-nut.
4. For check of results of adjustment repeat the procedure described in item 2.
5. Kill the engine and disconnect a tachometer.


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