ГАЗ-2705, ГАЗ-2705 "Kombi"
+ 1. Car nameplate data
2. Specifications and characteristics of cars
3. Controls and devices
- 4. The engine
- Engines ZMZ-4025,-4026
Case details of the engine
The krivoshipno-shatunnyj mechanism
The gazoraspredelitelnyj mechanism
System of greasing of the engine
Ventilation system картера
The power supply system
System рециркуляции the fulfilled gases
System of release of the fulfilled gases
Features of maintenance service of the engine
Diagnostics of a technical condition of the engine and its possible malfunctions
Possible malfunctions of the engine
+ Engines UMZ-4215S *, УМЗ-42150*
+ Engines ZMZ-4061, ЗМЗ-4063
+ 5. Transmission
+ 6. A running gear
+ 7. A steering
+ 8. Brake system
+ 9. An electric equipment
+ 10. A car body
+ 11. Car maintenance service
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"Gazelle" Gas-2705>> The engine>> Engines ZMZ-4025,-4026>> System рециркуляции the fulfilled gases
The part of cars is supplied by system рециркуляции the fulfilled gases (fig. 4.31) which consists of the valve рециркуляции 8, established on a gas pipeline, the thermovacuum switch 4 screwed in a water shirt of a head of cylinders, and two connecting hoses.
Рециркуляция the fulfilled gases in an inlet path it is carried out on the engine, heated-up to temperature of a cooling liquid not more low 35—40 ° With, on partial loadings. The system рециркуляции the fulfilled gases does not idle and at full opening throttle заслонок.
For check of working capacity of system рециркуляции the fulfilled gases it is necessary to increase on the heated-up engine frequency of rotation of a cranked shaft idling from small frequency of rotation to 3000 mines-1, no more, and to observe visually of moving of a rod of the valve 8.
If the rod does not move, to check up presence of operating depression on диафрагменном the valve mechanism рециркуляции. If depression is available, the valve with which it is necessary to replace is faulty.
In the absence of operating depression it is necessary to replace the thermovacuum switch.