- disconnect a wire from the negative plug of the storage battery with observance of all precautionary measures;
- Remove the top cover of the engine;
- Remove the drive belt. To do this, loosen the belt tensioner by turning it towards the camshaft. Remove the belt as soon as it becomes free;
Pic. 315. Using a puller to remove the belt pulley on the camshaft: 1 - special tool 303-338-02; 2 - tightening screw 303-338; 3 - belt pulley
- remove the belt pulley 3 (pic. 315) from the camshaft. This picture shows a special puller. It consists of a plate that is mounted behind the belt pulley. The puller itself is screwed to this plate. By tightening the middle nut, which presses on the camshaft, the belt pulley is lowered;
- Remove a sealing ring of a camshaft. To do this, screw in two screws from the outside and squeeze it out with pliers and a screwdriver;
- Lubricate the new O-ring on the sealing lips and carefully press into the hole. Perform this operation very carefully;
Pic. 316. Installing the camshaft pulley with a screw and nut
- Warm up the camshaft pulley with an air heater and install on the camshaft. Screw the screw into the end of the camshaft and tighten the nut to the belt pulley until it is properly seated (pic. 316);
- lay the drive belt, press the tensioner against the camshaft and release it again when the belt is properly tensioned;
- all other work is carried out in the reverse order of removal.
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