|
|
ON-VEHICLE SERVICE ENGINE MECHANICAL 11A-9 CAUTION • The temperature of the surface of the belt should be as close to normal temperature as • Do not allow any contaminants such as water or oil to 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 vehicle's engine is running. (5) Hold special tool belt tension meter set (MB991668) to the middle of the drive belt − 20 mm away from the rear surface of the belt so that it is ± 15 degree). (6) Gently tap the middle of the belt between the pulleys (the place indicated by the arrow) with Standard value: 109 − 145 Hz 3. If not within the standard value, replace the alternator drive belt auto tensioner. (Refer to When using a tension gauge 1. Check the drive belt tension. (Refer to 2. Use a belt tension gauge in the middle of the belt between the pulleys (at the place indicated by the Standard value: 331 − 577 N 3. If not within the standard value, replace the auto-tensioner. (Refer to VALVE CLEARANCE CHECK AND M1111001500164 1. Before inspection, set the vehicle to the pre-inspection condition. 2. Turn the ignition switch to the "LOCK" (OFF) position. 3. Remove all ignition coils. the pulley is lined up with the "T" mark on the AC301266AB MB991668 15˚ 15˚ 10 – 20 mm Water Alternator Gentry tap AC301267AB Water pump Alternator Belt tension |