Hyundai Accent

Repair and car operation



Hyundai Accent
+ 1. The maintenance instruction
- 2. The engine
   - 2.1. Engines SOHC
      2.1.1. Specifications
      2.1.2. A gear belt
      2.1.3. Check of a tension of a gear belt
      2.1.4. Adjustment of a tension of a gear belt
      2.1.5. A poliklinovoj belt
      2.1.6. Engine support
      2.1.7. A forward cover and the oil pump
      2.1.8. The air filter (ACL)
      2.1.9. A head of cylinders
      2.1.10. Коромысла
      2.1.11. Hydraulic jacks of backlashes of valves
      2.1.12. Replacement of a saddle of the valve
      2.1.13. Replacement of the directing plug of the valve
      2.1.14. The valve
      2.1.15. A camshaft
      2.1.16. Rods
      2.1.17. A cranked shaft
      2.1.18. A flywheel
      2.1.19. A piston finger
      2.1.20. A final collector
      2.1.21. An inlet collector and the air chamber
      2.1.22. The block of cylinders
      2.1.23. Removal and engine and transmission installation
      2.1.24. System of release of the fulfilled gases
      2.1.25. Search and elimination of malfunctions
   + 2.2. Engines DOHC
+ 3. Greasing system
+ 4. Cooling system
+ 5. The control, toxicity decrease
+ 6. Fuel system
+ 7. Ignition system
+ 8. Coupling
+ 9. A transmission
+ 10. Axes and power shafts
+ 11. A suspension bracket
+ 12. A steering
+ 13. Brake system
+ 14. A body
+ 15. A central air
+ 16. The electric equipment
+ 17. The appendix
+ 18. Electroschemes





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2.1.17. A cranked shaft
1 – the bottom loose leaf of the radical bearing of a cranked shaft;
2 – the top loose leaf of the radical bearing of a cranked shaft;
3 – top подпятник a cranked shaft;
4 – the gauge of an angle of rotation of a cranked shaft;
5 – a cranked shaft;
6 – bottom подпятник a cranked shaft;
7 – a cover of the radical bearing of a cranked shaft;
8 – a bolt, 55–60 Н•м.

Removal

PERFORMANCE ORDER
1. Remove a gear belt, a forward cover, a flywheel and the oil pallet.
2. Remove a back cover from the block of cylinders and a back sealing ring of a cranked shaft.
3. Turn away a nut and remove covers of rods.
4. Turn out bolts and remove covers of radical bearings of a cranked shaft.
5. Remove a rotor of the gauge of an angle of rotation of a cranked shaft.

The prevention

Mark covers of radical bearings of a cranked shaft to establish them on the places and in the same position.



Check

PERFORMANCE ORDER
1. Check up necks radical and шатунных bearings of a cranked shaft on absence of deterioration and development. Check up lubricant apertures of a cranked shaft on absence of a contamination.
2. By a micrometer measure diameters of necks of a cranked shaft in two opposite directions. In the presence of development or ovality перешлифуйте a cranked shaft. Repolishing of necks of a cranked shaft spend only till next repair size. If a cranked shaft перешлифован for the repair size of +0,50 mm, spend heat treatment of a shaft for increase in its durability.

Diameter of radical necks of a cranked shaft: 50 mm
Diameter шатунных 45 mm
Ovality and конусность necks of a cranked shaft: no more than 0,01 mm

3. Check up шатунные and radical loose leaves on absence of local corrosion, development and other damages. If necessary, replace loose leaves.

Measurement of a backlash radical and шатунных bearings

For measurement of a backlash radical and шатунных bearings measure diameters of necks of a cranked shaft and corresponding internal diameters of bearings. The backlash size is a difference between internal diameter of the bearing and the corresponding diameter of a neck of a cranked shaft.

Backlash of radical bearings № 1, 2, 4, 5 cranked shaft: 0,028–0,045 mm
Backlash of the radical bearing № 3 cranked shaft: 0,034–0,520 mm
Backlash шатунных bearings of a cranked shaft: 0,024–0,042 mm

Measurement of a backlash radical and шатунных bearings with use of plastic calibrated core Plastigage

PERFORMANCE ORDER
1. Clear radical and шатунные necks of a cranked shaft of greasing, and lubricant apertures blow compressed air.
2. Establish loose leaves of radical bearings on the block of cylinders of the engine. Establish a cranked shaft on loose leaves of radical bearings in the block of cylinders. Establish the remained loose leaves of radical bearings in covers of radical bearings of a cranked shaft. Arrange pieces of plastic measuring core Plastigage on necks of radical bearings of a cranked shaft.
3. According to marks establish covers of radical bearings. In certain sequence tighten bolts of fastening of covers of radical bearings of a cranked shaft. Do not turn a cranked shaft of the engine at measurement of a backlash of radical bearings of a cranked shaft. Turn out bolts and remove covers of radical bearings of a cranked shaft. By a measuring template measure width of deformed plastic core Plastigage and define backlash size.
4. If the backlash exceeds maximum permissible value, перешлифуйте necks of a cranked shaft and use repair loose leaves of the increased size.

Oil sealing rings

Check up forward and back oil sealing rings on absence of damages or deterioration of working edges. In the presence of any defects replace a sealing ring.

Rotor of the gauge of an angle of rotation of a cranked shaft

PERFORMANCE ORDER
1. Remove a rotor of the gauge of an angle of rotation of a cranked shaft.
2. Check up a rotor of the gauge of an angle of rotation of a cranked shaft on absence of damages, cracks and deterioration and replace, if it is necessary.
3. Check up a backlash between a rotor of the gauge of an angle of rotation of a cranked shaft and the gauge of an angle of rotation of a cranked shaft.

Backlash between a rotor of the gauge of an angle of rotation of a cranked shaft and the gauge of an angle of rotation of a cranked shaft: 0,5–1,0 mm

PERFORMANCE ORDER

The prevention

Measure depth of installation of the gauge, i.e. distance from the top part of teeths of a rotor of the gauge of an angle of rotation of a cranked shaft to a cover outer side.


Calculate a difference between length of the gauge of an angle of rotation of a cranked shaft and depth of its installation.

Installation

PERFORMANCE ORDER
1. Establish the top loose leaves of radical bearings on the block of cylinders of the engine. At repeated installation of loose leaves establish them on the same places on which they were before removal.
2. Before installation of a cranked shaft apply a thin film pure engine oil on all surfaces of sliding. Establish a cranked shaft on loose leaves of radical bearings in the block of cylinders.
3. Establish the remained loose leaves of radical bearings in covers of radical bearings of a cranked shaft. According to marks establish covers of radical bearings of a cranked shaft, thus the arrow on each cover should be directed to a pulley of a cranked shaft. In certain sequence for 2 or 3 stages tighten bolts of fastening of covers of radical bearings of a cranked shaft in a following order: central, №2, №4, forward and back.

The inhaling moment:
Covers of radical bearings: 55–60 Н•м
Covers шатунных bearings: 32–35 Н•м

4. Turn a cranked shaft and check up that it rotates easily and smoothly. Establish a measuring tip of the indicator of hour type on a forward end face of a cranked shaft. Move a cranked shaft along an axis against the stop and establish a scale of the indicator of hour type on a zero. Move a cranked shaft along an axis to other party against the stop and read values axial люфта on an indicator scale.

Axial люфт a cranked shaft: 0,050–0,175 mm

5. Grease an external surface of a new back sealing ring with engine oil. The special tool 09231-22000 establish a sealing ring against the stop in a nest of a back cover.
6. Establish a cover of a sealing ring, a lining and tighten 5 bolts. At installation grease working edges and an external surface of a sealing ring with pure engine oil.
7. Establish a back cover and fix its bolts.
8. Establish covers of rods.
9. Establish a flywheel, a forward cover, the oil pallet and a gear belt.