Remove vibration damper. Move the lock mounting beam to the service position. Remove the upper toothed belt guard by opening the brackets -arrows-. Unscrew bolts -arrows-. Removing the lower timing belt cover.
Risk of damage due to toothed belt jumping. Turn the crankshaft only in the direction of engine rotation. Rotate the crankshaft using the timing belt bolt so that the camshaft is in "TDC". Secure the camshaft hub using the diesel direct injection pump locking pin. engine -3359-. -Arrows- ignore.
Secure crankshaft timing belt gear using crankshaft stopper -T10050-. The marks on the toothed belt pulley -2- and the crankshaft stopper -1- must be opposite each other -arrow-. In this case, the crankshaft lock pin should fit into the seal hole. flange. The stopper can be pushed onto the sprocket only from the end side of the splines.
Loosen the bolts -arrows- for the camshaft toothed belt gear by approximately 90°.
Loosen the bolts -arrows- of the fuel timing belt pulley. high pressure pump using insert XZN10 -T10385- by approximately 90°.
Loosen the nut -1- of the tension roller. Using an angle screwdriver -T10264-, turn the tension roller eccentric counterclockwise -arrow- until the tension roller can be secured with the locking pin -T10265-.
Then turn the tension roller eccentric using an angle screwdriver -T10264- clockwise -arrow- until it stops and tighten the nut -1- by hand. Remove the toothed belt first from the take-off roller, then from the remaining pulleys.
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