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Reverent user：

Thanks for your use of our VECTOR POWER dynamic V-belts. Please fill in this list and return it to us. For any questions you have in using our products, please contact us or your dealer. Our after-sales service personnel will offer you timely and consummate after-sales service.
 
Name of the company linkman
Date of purchase (Like：2005-2-14) Contact
Belts' problems
Wear-down Break Stretching Large noise
Shaking Melting Others（Please indicate）
Operating conditions
Equipment's name:
Operating temperature:
The equipment's continuous running time : Hour/Day
Whether start-up is frequent :
Yes No
Working environment
Dust Oil
Sand grain Chemical
Water
 Other
Selection of belt type and calculation of single belt's power
Equipment's normal power (Kw)
Engine's speed (rpm)
Driven wheel's speed (rpm)
Driving wheel's pitch diameter
Driven wheel's pitch diameter
Central distance between driving wheel and driven wheel
Belt's model No. :
Wether there are tensioning pulleys:
Yes, external tensioning pulley Yes internal tensioning pulley None
Once it is found that wrong belt type is selected, please contact us directly and our techinicians will assist you for correct selection to prevent your unnecessary loss.
Dimensions of standard sheave that should be used by users (mm) (driving wheel) Actually measured dimensions of the sheave by users on site (mm) (driven wheel) Dimensions of standard sheave that should be used by users (mm) (driven wheel) Actually measured dimensions of the sheave by users on site (mm) (driven wheel)
Top width: Top width: Top width: Top width:
Bottom width: Bottom width: Bottom width: Bottom width:
Depth: Depth: Depth: Depth:
Mounting mode and conditons of sheaves
Mounting through prying: Yes NO Strong recommendation: no prying
Belt's tension force:  Tight Slack
Deflection exists when adjusting the engine base, leading to different tensioning conditions within one set of belts?
Yes No

Whether the driving pulley and driven pulley are parallel and whetehr the sheaves are aligned correctly?
Yes NO

If the above-mentioned problems are found, we recommend the client to mount and debug the belts again.
Whether the sheaves are coarse?  Yes No
Whether te sheaves are worn down?  Yes No
Whether the sheaves' angles are designed appropriately?  Yes No
Whether the sheaves are damaged?  Yes No
If the above-mentioned problems are found, we recommend the client to replace "Vector Power " sheaves