MACO Replacement Gearbox If the mechanism is broken or worn out, so you can’t close or open the handle, or if it over-tightens, over many years of use.
The ideal solution is to replace just one part.
You don’t need to change the entire hardware on the window, but replacing the gear is sufficient.
Replacement MACO gearbox – ideal for repairing all MACO gearbox rails.