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SGB Batch Blender with Mitsubishi Controller Page 17 of 118
1-11-3 Weigh Hopper
The weigh hopper on the SGB blender is used to weigh each batch of
material, and includes an air-operated discharge valve. After the batch
is weighed and the level sensor in the lower mix section is uncovered,
the valve will open and discharge the batch into the mixer with the
existing blended material. The discharge valve is also provided with a
quick disconnect so the weigh hopper can be removed for cleaning.
On an SGB blender, the weigh hopper rests on each side on a
precision cantilever load cell. To remove the weigh hopper, lift the
hopper from the bottom, hold the discharge valve closed, and slide it
out once clear of the locating tab on the bracket above the load cell.
Once the hopper has been cleaned, reposition it onto the load cell
brackets, using care not to damage the load cells. Position the hopper
as close to the center position between the load cells as possible.
Important! Use care when replacing the weigh hopper, since the load cells are
delicate weighing instruments and can be easily damaged. Do not
use force to push in the weigh hopper. If it is positioned properly,
it will slide in very easily.
Load cells, if damaged, will have to be sent back to the
manufacturer for testing and evaluation.
DISCHARGE VALVE
LOAD CELL
LOAD CELL
WEIGH HOPPER
LOCATING TABS
A
IR CYLINDER