2. Turn the eccentric counterclockwise with the HAZET key 2587-1 so that the tension roller can be fixed with the locking pin T 10115 or similar.
3. Turn the HAZET 2587-1 wrench clockwise until it stops and tighten the nut by hand (1).
4. Remove the toothed belt first from the coolant pump and then from the remaining gears.
Installation
1. Check whether the tension roller is fixed with the locking pin T 10115 and fixed with a nut on the right stop.
Caution: Adjustment work on the toothed belt must only be carried out when the engine is cold. When turning the camshaft, it is not allowed to stop any piston in the TDC position. Risk of damage to valves/piston crowns.
2. Check the position of the tension roller: Locking foot (arrow on accompanying illustration) must fit into the groove on the cylinder head, otherwise the holder must be moved accordingly.
3. Check again if the TDC marks match.
4. Turn away bolts of fastening of a wheel of a camshaft so that the wheel could move in oblong openings.
5. Place the wheel in the oblong holes in the middle position.
6. Put the toothed belt on the camshaft wheel, idler pulley, crankshaft wheel and lastly on the coolant pump wheel.
Toothed belt tension
1. Remove locking pin T10115.
2. Loosen the fastening nut (1) tension roller.
3. Turn the tensioner eccentric with the HAZET 2587-1 key clockwise so that the pointer (2) stood centered in front of the base plate window.
4. While holding the tension roller in this position, tighten the tension roller mounting nut to the torque 20 Nm + 45°.
5. Tighten the camshaft wheel bolts to torque 25 Nm.
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