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ON-VEHICLE SERVICE ENGINE MECHANICAL 11A-8 CAUTION • The temperature of the surface of the belt should be as close to normal temperature as • Do not let any contaminants such as water or oil get onto the microphone. • If strong gusts of wind blow against the microphone or if there are any loud sources • If the microphone is touching the belt while the measurement is being made, the values • Do not take the measurement while the vehi- cle's engine is running. AC903689 15˚ 15˚ MB992080 10 – 15 mm AB Tensioner pulley Crankshaft A/C compressor pulley 5. Hold special tool MB992080 to the middle of the belt between the pulleys (at the place indicated by − 15 mm away from the rear surface of the belt) so that it is perpendicular to ± 15 °). 6. Press the "MEASURE" button. pulleys (the place indicated by the arrow) with WHEN USING THE TENSION GAUGE AC506003AB Tensioner pulley Crankshaft A/C compressor pulley Tension Use a belt tension gauge in the middle of the belt BELT DEFLECTION CHECK AC506004AB Tensioner pulley Crankshaft A/C compressor pulley Approximately Deflection Apply approximately 100 N of pressure against the BELT TENSION ADJUSTMENT AC505988AB Adjusting bolt Locking nut Tensioner pulley 1. Loosen the locking nut of the tensioner pulley. |