FOCUS ON YOUR ENTRUST

FOCUS ON YOUR ENTRUST

The high-quality TECHNOBELT (Neoprene and Polyurethane Belt) has won high praise from many famous original equipment manufacturers and maintenance companies all over the world.

View details
FOCUS ON YOUR ENTRUST

FOCUS ON YOUR ENTRUST

The high-quality TECHNOBELT (Neoprene and Polyurethane Belt) has won high praise from many famous original equipment manufacturers and maintenance companies all over the world.

View details

How to Check and Adjust the Tension of V-Belt？

Many accessories such as battery power supply, air conditioning system, etc. need to be driven by belts. Therefore, the V-Belt is very important to the engine. The engine cannot work normally if the belt is not in good condition.

The transmission system has a power unit. The power for transporting goods comes from the engine. When the engine is started, it will drive the rotation of the shaft. The shaft drives the operation of the rollers. The rollers also drive the cyclic rotation of the transmission belt through friction. From this point, it can be seen that no matter how it is maintained, it will have friction, but with the correct operation and maintenance techniques, it can reduce friction and wear.

 

(1) Check the condition and tightness of the belt.

Check whether the belt is damaged or peeling. Before the belt breaks, there will be a slipping sound, and there will be cracks, wear and peeling on the belt surface. Therefore, it should be carefully observed, if the above phenomenon occurs, the belt should be replaced in time (note the difference: when the belt is not tight enough, there will also be slipping noise). Check the tightness of the belt. When pressing the middle part of the belt with your thumb with a force of 9-10kg, the deflection should be 5-10mm. If it does not meet the requirements, it should be adjusted.

 

(2) Adjust the tightness of the V-belt.

After adjusting the belt tightness, the fixing bolts should be tightened reliably. Be careful not to over-tighten the belt, otherwise the belt will be too tight and damage the belt and bearings. Care should be taken to prevent the belt from being contaminated with grease, otherwise it will cause slipping and shorten its service life.

 

(3) Check the installation status of the belt.

Some engines use flat fan belts. Check the coordination between the belt and the pulley when installing it on the pulley. The belt should cooperate well with the pulley, otherwise the life of the belt will not be long. When an error occurs, it should be corrected in time.

 

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Common Faults and Solutions for V Belts

14 Aug,2020

A: There is noise: the tension is too large or too small, the solution: the tension should be adjusted. B: Edge wear: 1) Timing belt incident is not parallel 2) Timing belt wheel steering deflection 3) Rising pulley has cracks 4) Bearing has gaps Solution: 1)  Straighten the non-parallel synchronous belt wheels and replace the synchronous belt. 2) Replace the tensioner, suspension wheel and timing belt C: Wear of the surface fabric at the root of the convex tooth (1) Excessive tension (2) Excessive temperature (3) Damage to the synchronous pulley. Solution: (1) Adjust the tension (2) Find the cause of the high temperature and repair it (3) Replace the synchronous pulley D: The flanks of the convex teeth are abnormally worn, the bottom is cracked, and the convex teeth are cut: (1) The tightening force is too large or too small (2) There is foreign body (3) The timing belt pulley or the tension pulley is seized. Solution: (1) Adjust the tension (2) Remove foreign objects (3) Find the cause and repair E: The volume of the surface fabric of the convex teeth: the engine or other parts have liquid leakage. Solution: repair the leaking parts and replace the timing belt F: Movement scratches on the convex teeth: (1) Foreign matter (2) The timing belt is damaged before or during installation Solution: (1) Remove foreign objects (2) Replace the timing belt and install it correctly G: Cracks appear on the back of the synchronous belt: (1) The surrounding temperature is too high or too low (2) There is foreign matter (3) The suspension wheel is sticky (4) Aging Solution: (1) Find the cause and solve it (2) Replace the timing belt and check the door cover (3) Replace the idler wheel and timing belt (4) Replace the timing belt H: The timing belt suddenly breaks: (1) There is a foreign body (2) The tension is too large (3) The timing belt is improperly bent before installation Solution: (1) Remove foreign matter (2) Adjust the tension (3) Replace the timing belt I: Related parts are damaged: (1) There is a gap in the bearing (2) The moving contact surface is damaged Solution: (1) Replace the tensioner, idler and guide wheel

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