The V-belt tensioner pulley is included in the engine attachment drive system. This is a special element with a spring or other mechanism that properly tightens the drive belt.

1. F2000
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The functionality of a V-belt tensioner pulley

The efficiency of the engine and the operation of the machine as a whole depend on how well the system of attachments, including the generator, power steering pump (if equipped), water pump, air conditioning compressor, and is functioning.

To create high performance outboard equipment, you need to tension the drive belt correctly. Otherwise, there will be problems:

1. at low tension, it slips on the pulleys, accelerating the wear of parts and assemblies, and the efficiency of the units will be low;
2. excessive tension also leads to damage to the elements, the load on the mechanisms in this case will be prohibitive.

For the correct tension of the drive device, an auxiliary unit is installed in modern motors - a DT Spare Parts brand Tensioner Pulley, V-belt. It plays a very important role in the operation of the internal combustion engine, which means that if it fails, it will need an urgent replacement.