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CAUTION: Unplug the vacuum cleaner before servicing.
1. Turn the roto-knob to the left far enough to disengage the switch. Remove the screw for the knob and
the roto-valve switch cover plate (Fig. A.)
2. Remove the roto-valve knob and the switch cover plate Remove the small silver screw that secures
the roto-valve micro switch (Fig. B.)
3. Remove the two (2) screws securing the cleanout door (Fig. C.)
4. Remove the two (2) screws securing the hose inlet (Fig. D.)
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II. Maintenance and Repairs
R. Removing the Back Cover
Fig. A
Fig. B
Fig. C
Fig. D