1. Remove the cylinder head cover and toothed belt guard.
2. Set the piston of cylinder No. 1 to TDC.
3. Insert the setting ruler into the transverse cutout on the rear end of the camshaft (see arrow in illustration).
4. Insert between the cylinder head and the installation ruler from both ends of one template of the same thickness (see illustration). The installation of templates eliminates the gap between the cylinder head and the setting ruler, while the camshaft is fixed at TDC and cannot be turned.
5. Lock the injection pump at TDC. To do this, insert stop 2064 into the small hole on the injection pump gear and into the hole located behind it in the console of the injection pump (see arrow in illustration).
6. Turn away a tightening nut on a tension roller of a gear belt. Turn the tension roller to the left and loosen the toothed belt in this way.
7. Remove the ribbed belt.
8. Remove the belt pulley and protective cover.
9. Remove a gear belt. Installation
10. Loosen the timing belt gear bolt on the camshaft 1/2 turn before fitting a new timing belt.
11. Loosen the gear on the crankshaft taper by hitting it with a punch and hammer. There is a corresponding hole in the rear protective cover for this purpose (see illustration). In this position, the gear can be rotated on a cone.
12. Make sure that the crankshaft is at TDC, and the camshaft and injection pump are securely fixed.
13. Put on a toothed belt and tighten it. Do not rotate the crankshaft.
14. Tighten the toothed belt gear fixing bolt to 45 Nm.
15. Tighten the toothed belt. The crankshaft can then be rotated.
16. Check without fail the beginning of the injection pump.
17. Replace the protective covers.
18. Install the ribbed belt.
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