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ENGLISH
Remove the baseplate by removing 5 screws.
Remove the belt from the brushroll pulley. Then, remove the brushroll from the housing.
Remove the fascia by removing 2 screws.
Rotate fascia away from the power head and lift it away.
Pull burned out bulb from holder and replace with new bulb.
Reassemble the fascia.
Reassemble the brushroll and belt.
Reassemble the baseplate.
Replacing Light Bulbs
WARNING: Unplug cord from electrical outlet before servicing.
T
urn the power head over. With baseplate facing up, remove the screw located in the center of each edge brush.
Remove both edge brushes and replace with new ones. Replace both screws and tighten.
Replacing Edge Brush
Your ORECK U3770 vacuum cleaner has a special ORECK FRESH AIR
®
tab pocket.
This pocket is located inside the outer cloth bag in the area where the disposable dust
bag attaches to the intake tube. Insert tablet in pocket if desired.
Using an Oreck Fresh Air
®
Tab
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If a previous adjustment has already been made and bristle height does not extend above the baseplate, a new brush assembly should be ordered.
IMPORTANT: Unless the brush is worn as indicated above, both bearings must be in the “NEW” position. When rotating, both
bearings must be in the “OLD” position. Unmatched settings can cause damage to the unit.
OLD
NEW
1
6
17
1
8
1
9
16
20
21
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22
20
16
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