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The front lip of the crankshaft
| Fig. 44. Cover the drive mechanism of a camshaft with the individual components (below shows details of the cover): 1 - bearing pin mechanism of a tension drive a generator belt; 2 - the dipstick guide tube; 3 - pin-pointer TDC; 4 - the opening with a flange for a vacuum pump; 5 - pin attachment TDC sensor on the four-cylinder engines; 6 - front lip of the crankshaft; 7 - a bolt of fastening of a cover of a camshaft drive mechanism to the cylinder block; 8 - pin-pointer TDC; 9 - landing sleeve for mounting the sensor TDC; 10 - front lip of the crankshaft; 11 - a bolt of fastening of a cover of a camshaft drive mechanism to the cylinder block; 12 - elastic spring washer; 13 - Fitting the front collar of the crankshaft; 14 - a cover of a camshaft drive mechanism; 15 - landing sleeve power steering pump
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Front cuff crankshaft cover camshaft drive mechanism can be substituted for the engine mounted on the vehicle in the event of oil drips. Pre be precisely sure that oil is leaking through the front collar of the crankshaft, and not at the seal cover of the camshaft drive mechanism. If streaks are caused by depressurization of the cover, it must be sealed again (see. Sect. 2.4, and the right side of Fig. 44). Replace the front collar of the crankshaft should be carried out as follows: - Remove the belt pulley, vibration damper and hub in accordance with regulations, as described in Section. 2.9;
| Fig. 94. Removing the front collar of the crankshaft
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- Use a screwdriver to remove the sleeve from the cover of the drive camshaft. This screwdriver should put a piece of thick cloth to avoid accidentally damaging the cover or the crankshaft (Fig. 94); - All parts must be cleaned, if necessary, remove any burrs from the edges of the hole in the lid of a camshaft drive mechanism; - If necessary, remove the sleeve from the cover with a screwdriver. We must be very careful not to damage the cover; - Thoroughly clean the sealing surfaces of the cylinder block and the cover of the drive mechanism of a camshaft; - Install a new crankshaft oil seal into the cover, if the old is removed and must be replaced. The sealing lip of the new ring is displaced by 3 mm, so it will not work on the flange of the crankshaft to the same point as the old ring. The space between the sealing lip and dust lip should be filled with approximately 1 g of grease; - The sealing surface of the lid to put sealant and attach it to the cylinder block so that the alignment pins entered into the holes provided for them. Gently tap the top of the lid to make it denser lay. On HUNDRED company Mercedes-Benz for this purpose, a special clamping tool; - First tighten the two bottom screws, then the rest of 10 N ?� m; - Continue the work carried out in the reverse order of removal.
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