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Installation Techniques
Reducing and Canceling Vibration
A key point to remember about universal joint operating angles: To reduce the amount of vibration, the angles on each end of a
driveshaft should always be SMALL.
To cancel an angle vibration, the universal joint operating angles need to be EQUAL within 1 degree at each end of a driveshaft.
On motor home applications and auxiliary transmission installations, the tolerance is 1/2 degree. (See Fig 2)
Axle
Make angles small
Trans.
Make angles equal
Figure 2
6
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