1. Remove the PTB unit (PTB Unit Removal)
  2. At the right rear corner of the unit [A], slide the bearing and washer off the end of the shaft.
  3. Disconnect the end of the roller shaft [B] (x1).
  4. Lift both ends of the roller [A] out of its guides.
  5. Slide the roller under the belts toward the front [B], and then remove the roller.
  6. Slide off the rear belt.
  7. Slide off the front belt.

Re-installation

Before re-assembly, the following points should be lubricated with Barrierta S552R grease.

  1. [A] shows the points where grease should be applied.
  2. [B] shows the minimum application of grease, and [C] the maximum.