Operating Instructions EBE 350 E
Maintenance
7.8 Blastwheel blades & Impeller replacement
During operation the blast wheel blades and the impeller will wear.
To replace worn components:
Make sure the power unit is stopped and the main
electricity supply disconnected.
Remove the bolts securing the abrasive storage hopper to
the separator and remove the hopper from the machine.
Remove the cage clamps securing the control cage and
remove the control cage.
Unscrew the impeller bolt and remove the impeller using a
wooden or brass drift.
Clean the blast wheel and the blades with air.
Tip the machine backwards on the floor. Through the
opening at the bottom of the blast housing: remove the
blades one by one using a wooden or brass drift.
Clean the blast wheel thoroughly to make sure that the
new blades and impeller will fit well and to avoid any
imbalance of the blast wheel.
Replace the blades with six new ones and re-assemble
the machine in reverse order. Note: blast wheel blades
must be replaced as a set. Replacing only some of the
blades can cause imbalance of the blast wheel.
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