Installation and Maintenance Manual: RLVAC
Published February 2022
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18. If the belt is entering the drive pulley centered, but is tracking off at the takeup pulley, then adjust
the drive snub roller.
Verify that the takeup is square with the drive frame before adjusting the drive snub
roller. Using the snub roller to “fight” against an out-of-square takeup can result in
unstable tracking and accelerated belt wear.
19. If the belt is tracking off where it exits the drive, then adjust the non-crowned (lower) routing roller.
The crowned (upper) routing roller should be set square to the drive frame.
5.12.2 Pneumatic Takeup Drives
1. Once the belt is installed and joined, all return rollers and tracking rollers have been installed, and
any guards have been reinstalled on the drive section, then the belt may be tensioned.
2. The pneumatic takeup has an air regulator installed. A new unit will be set to 0 PSI from the
factory. With air supplied, set the takeup pressure according to the target pressure in Table 5:
Pneumatic Takeup Pressure Settings.
Figure 24: Tension Indicators