Replacing the Roller Set
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2. Remove the brake roller shaft.
Lift the right side of the roller first, then pull out the shaft from the slot on the left.
3. Remove the brake roller from its shaft.
4. Attach a new brake roller on the shaft.
Insert the protrusion on the shaft into the slot.
Brake roller
Shaft
Brake roller
Shaft
Brake roller
Shaft
Protrusion
Slot