Ensure that the number of v belt is the same as the original after replacement, otherwise it will create v belt overload, increase the slips, and greatly reduce the life of v belt usage. Also, do not use excessive wear v belt, for its excessive wear, reduced cross-sectional area and decreased flexibility that kind of v belt will produce less friction, greater slip rate, and higher power transmission loss under the same pressure circumstance. The entire situation about v belt above will increase the loss of power transmission.
Pay attention to the actual length of each v belt in a series under the v belt replacement. The same actual length of each v belt gives the v belt device a good condition of equal pressure.
In summary, old and new v belt can not be used together, for their different elastic and the original basic dimensions. And we won't be able to put all the v belts transferred to the same tightness.