How do I remove pin to replace roller?
Answer Hello Joe. Raise the base of the unit and bend the tab blocking the pin. Slide the pin out and replace the roller 10450701.
How do I remove the axle to replace the broken rear rollers?
Answer Hello Nelson. If you remove the back cover and lean the unit forward, you can remove the pins from the rollers 10450701 and replace the rollers. Hope this helps.