How to check the tightness of the excavator belt

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When the excavator engine is hot, the belt tightness is generally checked, because abnormal tightness will affect the heat dissipation effect and cause high temperature. So, how to check and adjust it? Let's take a look!

The main methods for checking the tightness of the excavator belt are;

The engine is equipped with a generator fan and air conditioning belt, so check whether these belts are worn and whether they have sufficient tension to maintain their optimal performance. When checking the tightness of the belt, press the middle of the belt with your thumb. When the tension is insufficient, the belt is easy to slip. When the tension is too large, it is easy to damage the bearings.

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2. Pull the belt with a spring scale, then use a ruler to measure the slack at this time, and remember the feeling of the tension at this time, so that you will be proficient.

3. Check the tension of the belt, press the middle point of the pulley and the pulley with a force of about 6kg with your fingers, and check whether the winding amount of the belt is within the range of the reference value at this time.

The main methods for adjusting the tightness of the excavator belt are:

1. First, put the manual valve on the manual hydraulic pump in the tight position. Then loosen some nuts and adjust them to ensure the balance of tightness.

2. During the tensioning process, the pulley must be rotated to balance the load on the transmission belt. When the pressure is balanced, adjust the nut so that it is buckled on the motor base, and the motor base needs to be fixed. Then move the manual valve to the middle position to release the pressure of the hydraulic pump.

3. When adjusting the tension of the belt, move the movable pulley and change the center distance between the pulleys to adjust the tension.

4. When replacing the belt, pull all the movable pulleys to the inside and move the center distance to the minimum for replacement.

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