46
Drum Opening and Closing
How does AeroSmart™ open the drum door?
Once the position of the drum is known (Refer to Drum Control page 47) the door
opening sequence can begin.
Firstly the drum slows down to the drum opening speed (approximately 5rpm). The
grabber door is then lowered down against the drum wrapper by the actuator.
As the bridges approach the lowered grabber door, wings on each side of the grabber
door enter the bridge channels. If the wings do not enter the channels the grabber door
will be unable to open the drum door (refer to the diagram below).
As the drum continues to rotate the engagement ribs attached to the grabber door
unlatch the drum door arm hinges, lifting them out of the channel slots. The arm hinges
are raised by details on the grabber door to the top face of the bridge channels. The
drum continues to rotate in the opening direction, while the drum door is held stationary
by the grabber door.
As the drum reaches the fully opened position, details on the drum bridges hit the
grabber door, causing the motor to stall and the drum rotates to stop. The drum is now
in a fully opened position, where the user can load or unload garments from the dryer.
Door Partially Opened
Drum is stopped by the Grabber Door
Grabber Door is lowered a
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