While you wait for answers, we may have found some information which could help you.
Click here for Repair Top Brokenwindow handle?
Identification of Rollexa Garage Rolle- door Motor?
How can I mend the broken cord on my velux skylight?
allen key size?
Velux KEM 140 skylight elec. opener only workd intermittent?
Hinge creaks on compositie exterior door?