2.8.2.2. Gas distribution adjustment
Gas distribution adjustment
Removal
This operation is carried out on the engine removed from the car at each removal of a chain of the drive of the camshaft (for removal of a head of cylinders and the camshaft), except for replacement of a chain.
|
Blocking from a provorachivaniye of the camshaft of the engine M 102 |
|
- Unscrew screws of fastening of a cover of the distributor of ignition.
- Disconnect from spark plugs of a wire of high voltage.
- Uncover a head of cylinders with wires of high voltage and a cover of the distributor of ignition.
|
If the head of cylinders is uncovered hardly, it is forbidden to knock on it the hammer in order to avoid cracking. Hook a cover, observing precautionary measures. |
- Remove a distributor rotor, the leading plate and a pomekhopodavitelny cover.
- Turn off bolts of fastening of the top cover of the drive of the camshaft. Take out laying of a cover.
- Remove the top cover, striking with the wooden hammer a camshaft axis.
- Turn a bent shaft to an exit of the piston of the 1st cylinder in VMT.
- Turn off a screw stopper of the tension device of a chain. Take out a sealing ring and a spring.
|
Turn off a screw stopper with care to avoid emission of a spring. |
- Remove the lower ring.
- Remove the tension device.
- For simplification of a provorachivaniye of a bent shaft turn out spark plugs.
- Make sure that the bent shaft still is in the situation corresponding to VMT of the piston of the 1st cylinder (the motionless ledge has to be opposite to a mobile tag — see the illustration Gas Distribution Adjustment).
- Check whether coincide a mobile tag on the camshaft (openings in a fillet) and a motionless tag on a head of cylinders.
- Remove an engine case.
- Block a flywheel from a provorachivaniye.
- Remove a pulley of a bent shaft with a damper, having turned off the central bolt.
- Remove dish-shaped washers.
- Uncover the distributive mechanism.
- Mark with paint the mutual provision of a chain and asterisks of cranked and distributive shaft.
- Apply tags on an asterisk of the camshaft and on a shaft.
- Remove an uspokoitel of a chain an inertial stripper.
- Remove a camshaft asterisk, having turned off fastening bolts.
- Weaken a tension of a chain of the drive of the oil pump and remove it.
- Remove a camshaft drive chain.
|
|
Installation
|
- Make sure that cranked and distributive shaft are in the provision of adjustment of gas distribution.
- Put on a chain a camshaft asterisk, having provided coincidence of tags.
- Install an asterisk on the camshaft, having convinced of coincidence of tags.
- Establish an uspokoitel of a chain.
- Put on a chain of the drive of the oil pump.
- Further installation is made as it should be, the return to removal.
- Fill in oil and cooling liquid.
- Remove air from the cooling system.
|
|