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Opel Astra, Zafira

since 1998 of release

Repair and car operation



Opel Astra
+ Opel Astra and Zafira Cars
+ Operation manual
+ Routine maintenance
- Engine
   Specifications
   Check of kompressionny pressure in cylinders
   Diagnostics of a condition of the engine with use of the vacuum gage
   + Procedures of repair of petrol SOHC engines without their extraction from the car
   + Procedures of repair of petrol DOHC engines without their extraction from the car
   + Procedures of repair of diesel engines of 1.7 l and 2.0 l without their extraction from the car
   - General and major maintenance of the engine
      Removal of the power unit from the car - methods and precautionary measures
      Removal, separation and engine installation
      Alternative versions of schemes of regenerative repair of the engine
      Sequence of dismantling of the engine
      Dismantling of a head of cylinders
      Cleaning and check of a condition of a head of cylinders
      Assembly of a head of cylinders
      Removal of shatunno-piston assemblies
      Removal of a cranked shaft
      Cleaning and check of a condition of the block of cylinders
      Honingovaniye of mirrors of cylinders
      Check of a condition of components of shatunno-piston group
      Check of a condition of a cranked shaft
      Check of a condition of radical and shatunny bearings of a cranked shaft
      Engine assembly order
      Installation of piston rings
      Installation of a cranked shaft and check of working gaps of radical bearings
      Installation of shatunno-piston assemblies and check of size of working gaps in shatunny bearings of a cranked shaft
      Trial start and engine running in after major maintenance
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment

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Check of a condition of a cranked shaft


Measurement of size of radial palpation of a cranked shaft



 PERFORMANCE ORDER

  1. With grinding stone, file or scraper remove agnails from edges of oil openings.
  1. Wash out a cranked shaft solvent, then carefully dry, having whenever possible used the compressed air. Do not forget to clean a rigid brush oil openings. Then also wash out them solvent.

When using the compressed air do not forget to put on goggles!

  1. Check radical and shatunny necks of a cranked shaft on existence задиров, cavities, cracks and signs of non-uniform wear.
  2. Examine all surface of a shaft on existence of cracks and other damages. For identification of the hidden cracks it is necessary to resort to a magnitoporoshkovy defektoskopiya — give a shaft to a car-care center workshop.
  1. By micrometer measure diameters of radical and shatunny necks of a shaft. Measurement of diameter of each neck make in several points on length and perimeter that will allow to estimate size of its konusnost and ovality, which should not fall outside the limits admissible ranges (see. Specifications). It is necessary to estimate also size of palpation of a cranked shaft — be required V-shaped steam of blocks and a tsiferblatny measuring instrument of plunzherny type (see an illustration Measurement of size of radial palpation of a cranked shaft). In the absence of necessary stock address for the help to specialists of car-care center.
  1. In case wear / konusnost/ovality of necks exceeds admissible size, or mechanical damages of surfaces take place, it is necessary to give a cranked shaft to a pro-point. After a pro-point of a shaft it is necessary to pick up new loose leaves of radical and/or shatunny bearings of the corresponding repair size.
  1. Check a condition of omental necks on both pins of a cranked shaft. Existence of the developed flutes, agnails or задиров will lead to an exit of new epiploons out of operation in the near future. In certain cases pins can be restored by a pro-point and napressovka way on them special thin-walled plugs. If such regenerative repair is not obviously possible, replace a shaft.
  1. Check a condition of loose leaves of radical and shatunny bearings (see. Check of a condition of radical and shatunny bearings of a cranked shaft).