AVX13X1230 V-belt kit 9521931 replaces Volvo Bus B Engine belt

Truck V-belt kit 9521931 replaces Volvo Bus B 10/12 (TD/THD engine) belt

There are three types of belts commonly used in automobiles: fan belts, ribbed belts and timing belts

The installation position of the automobile belt: In terms of automobile application, it is mainly installed in the position of the automobile engine crankshaft wheel to cam, water pump, generator, air-conditioning compressor, and power steering pump.

1. The fan belt is a belt driven by the crankshaft. Its main purpose is to drive the engine fan and water pump.

2. V-ribbed belt, also called air conditioner belt, its function is to drive generator, air conditioner compressor, power steering pump, hung on the crankshaft pulley, and tightened by air conditioner belt tensioner. When this belt is damaged, the power will feel heavy and there will be no steering assistance; if the air conditioner is turned on, the air conditioner compressor will not start, so it cannot be cooled.

3. The timing belt is an important part of the engine's air distribution system. It is connected with the crankshaft and matched with a certain transmission ratio to ensure the accuracy of the intake and exhaust time. The function of the timing belt is when the engine is running, the piston stroke (up and down movement) and the valve opening and closing (time) sequence of ignition (time). Under the action of the “timing” connection, it must be kept “synchronized” at all times. Running.

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