Infiniti QX4 service since 1996 of release
1. Introduction
2. Maintenance instruction
3. Routine maintenance
4. Engine
4.1. Specifications
4.2. Check of kompressionny pressure in cylinders
4.3. Diagnostics of a condition of the engine with use of the vacuum gage
4.4. Removal and engine installation
4.5. Removal and installation of the inlet pipeline
4.6. Replacement of a belt of a drive of GRM
4.7. Removal, check of a condition and installation of a head of cylinders
4.8. Replacement of a forward epiploon of a cranked shaft
4.9. Removal, check of a condition and installation of components of the klapanny mechanism
4.10. Replacement of epiploons of camshafts
4.11. Replacement of a back epiploon of a cranked shaft
4.12. Removal and installation of the pallet of a case
4.13. Removal, service and installation of the oil pump
4.14. Alternative versions of schemes of regenerative repair of the engine
4.15. An order of dismantling of the engine by its preparation for major maintenance
4.16. Dismantling and check of a condition of a head of cylinders and components of the klapanny mechanism
4.17. Recommendations about service of valves
4.18. Assembly of a head of cylinders
4.19. Removal of shatunno-piston assemblies
4.20. Removal of a cranked shaft
4.21. Cleaning of the block of the engine
4.22. Check of a condition of the block of the engine
4.23. Honingovaniye of mirrors of cylinders
4.24. Check of a condition of components of shatunno-piston group
4.25. Check of a condition of a cranked shaft
4.26. Check of a condition and selection of loose leaves of radical and shatunny bearings of a cranked shaft
4.27. Engine assembly order
4.28. Installation of piston rings
4.29. Installation of a cranked shaft and check of working gaps of radical bearings
4.30. Installation of shatunno-piston assemblies and check of size of working gaps in shatunny bearings of a cranked shaft
4.31. Trial start and an engine running in after major maintenance
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. Transmission line
9. Brake system
10. Suspension bracket and steering
11. Body
12. Electric equipment
 






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4-23-khoningovanie-zerkal-cilindrov.html

4.23. Honingovaniye of mirrors of cylinders

Before assembly of the engine the honingovaniye of mirrors of cylinders for the purpose of achievement of the correct landing to them the piston rings, providing due tightness of chambers of combustion is without fail carried out.

In the absence of near at hand necessary tools or unwillingness independently to carry out a honingovaniye, work for quite moderate payment can be charged to experts of a workshop of car-care center.

Before starting a honingovaniye, establish into place assembly of covers of radical bearings (without loose leaves) and tighten fixing bolts with demanded effort.

Two types of khans for processing of mirrors of cylinders are issued: хон such as «bottle ершик» and, more traditional, superficial хон in the form of a nozzle with podpruzhinenny grinding stones. Both tools provide necessary quality of processing of mirrors of cylinders though use of the first is more preferable to the inexperienced mechanic. Enough of the rags, special honingovochny or simply liquid lubricating oil, and also an electrodrill as a drive for honingovochny nozzles is required also.

Act in the following order.

 PERFORMANCE ORDER

  1. Clamp хон in an electrodrill cartridge, reduce podpruzhinenny grinding stones / rods ершика nozzles and fill the last in the cylinder.

Do not forget to put on goggles or an obverse guard!

  1. Plentifully moisten a mirror of the processed cylinder with oil, include a drill and start to make a nozzle back and forth motions in the cylinder. Speed of vertical moving хона should provide drawing on a surface of a mirror of the cylinder of a mesh pattern with a corner of crossing of the parties ячеи about 60 °. Do not feel sorry some oil and try not to remove from a surface of walls of the cylinder more material, than it is really necessary for achievement of demanded result.

Manufacturers of piston rings can make own demands to a corner of crossing of the parties ячеи a mesh pattern, - attentively familiarize with the instruction on remnabor packing.

  1. Do not take хон from the cylinder to a full stop of a drill! Continue to make back and forth motions by a nozzle until it will not stop to rotate. After a stop of a drill compress grinding stones and take хон from the cylinder. When using the khan of type «bottle ершик» wait a full stop of a drill, then take a nozzle, continuing to rotate manually a cartridge in the normal direction.
  2. Wipe rags a mirror of the cylinder and pass to a following honingovaniye.

On termination of processing, use a file for removal of facets from the upper edges of cylinders — this processing is made with the purpose there were no difficulties with filling in cylinders of pistons with the rings put on them. Observe extreme care — do not scratch a file a cylinder mirror.

In summary all block should be washed carefully out by warm solution of soap water.

It is possible to consider cylinders washed out when after carrying out on a mirror the white rags moistened with oil on it does not remain a gray raid. Do not forget to clean a cylindrical brush all oil openings and channels, then wash out the block a water stream under a pressure.

After washing carefully dry the block and oil the pierced surfaces for protection them from corrosion. Prior to the beginning of assembly of the engine wrap the block in a pure plastic bag.


«on page back
4.22. Check of a condition of the block of the engine
on the following page»
4.24. Check of a condition of components of shatunno-piston group