db57d230

2.1.4. Adjustment of a tension of a gear belt

Adjustment of a tension of a gear belt is made automatically by the tension mechanism.

PERFORMANCE ORDER
1. Turn a steering wheel against the stop counterclockwise.
2. Prop up the oil pallet of the engine wooden whetstone and raise the engine a little.
3. Remove the left support of the engine.
4. Remove a pulley of the water pump.
5. Remove a pulley of a bent shaft.
6. Remove the top casing of a gear belt.
7. Check a gear belt for lack of stratifications, damages and other defects. Make sure that carefully checked a belt on all length.
8. Turn a bent shaft of the engine so that the piston of the first cylinder was installed in VMT in a compression step. Combine a tag on a pulley of a gear belt of a bent shaft with the index on the block of cylinders of the engine. Check that a tag on a pulley of the camshaft were combined with the index on a cover of a head of cylinders.
9. Remove the lower casing of a gear belt.
10. Weaken bolts 1 and 2 fastenings of the mechanism of a tension in the sequence shown in the drawing, at the same time the spring of the mechanism of a tension of a gear belt will be unclenched.
11. Check a belt arrangement on engine pulleys.
12. Tighten bolts 1 and 2 fastenings of the mechanism of a tension in the same order.
13. Turn clockwise a bent shaft of the engine on one whole revolution and combine a tag on a pulley of a gear belt of a bent shaft with the index on the block of cylinders of the engine.

Prevention

Do not turn a bent shaft of the engine counterclockwise.


14. In the same order weaken bolts 1 and 2 fastenings of the mechanism of a tension of a gear belt.

15. Repeatedly tighten bolts 1 and 2 fastenings of the mechanism of a tension in the same order.

Inhaling moment: 20-27 N • m

16. Repeatedly check a tension of a gear belt. When pressing the tense branch of a gear belt with effort of 49 N the gear belt has to cave in to the center of a head of a bolt of fastening of the mechanism of a tension.