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IMPORTANT:

On plush and new carpets, stuffing may occur inside the the intake tube and the lower tube

assembly. This is due to excessive fuzz and loose cuttings in the carpet. Stuffing could occur for the first few
cleanings until all the loose material is removed. Due to the high efficiency of the cleaner, many older carpets
will cause stuffing when the cleaner is first used on them. If your vacuum cleaner does not pick up properly, or

makes unusual noise and the outer bag does not fluff up or balloon open, follow these steps:

WARNING: Unplug cord from electrical outlet before servicing.

Check for blockage at the mouth of the intake opening. If there is blockage, remove it with long-nose pliers,
a screwdriver or coat hanger. If you can not reach the blockage, remove baseplate. Remove the baseplate by
removing 5 screws (see “Adjusting or Replacing Brushroll”).

If the blockage is not at the base, remove lower tube. Unhook bag spring, releasing bottom of bag. 

Twist lower collar counterclockwise to slide up. Pull tube out of base. 

Check for blockage. If blockage is in the tube, remove with a coat hanger.

If tube is not blocked, look into fan housing. Remove debris with long-nose pliers, a screwdriver or coat hanger.

To reassemble, check O-ring on tube, and replace if damaged. Replace tube by first lining up slot at base of
tube with tab inside fan housing. Insert tube and push down until the tube is seated. Make sure O-ring is in
place against fan housing opening. Replace and tighten collar until collar locking tabs are locked in place.
Reattach bag spring.

Many times blockage occurs due to a full dust bag causing dirt to back down the air flow system. When that
happens, the blockage will be at the top of the system, starting in the area where the dust bag connects to the
connector assembly.

Note:

If the above actions do not correct the problem, contact an Oreck authorized service center or call the

customer service center. 

Stuffing or Blockage

Maintenance.

Trouble-

shooting.

Service problems that

appear to be major can

often be solved easily.

You can be your own

troubleshooter by

reviewing this guide.

All other servicing

should be done by an

Oreck authorized

service center.

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Cleaner will not run.

•Not plugged in properly. 

• Be sure cleaner is firmly plugged into wall outlet.

•No electricity in wall outlet. • Check electrical source – fuse or circuit breaker.

Cleaner does not pick up.

•Filter Bag is full.

• Replace filter bag. See “Replacing Disposable 

Odor Fighting Dust Bag”.

•Nozzle or intake pivot 

• Clear obstruction.

clogged.

•Belt is broken or stretched.

• Replace belt.

•Brush is worn.

• See “Adjusting or Replacing Brush roll”.

•Bag tube clogged.

• Clear obstruction.

•Bag pores are clogged 

• Change bag.

with fine dust.

•Impeller fan is broken.

• Return to Service Center for repair.

•Revolving brush is not

• Check bearing seal. Make sure words “OLD”

even at both ends.

or “NEW” at each end.

Unit still does not

•Check all the

• Contact Oreck for service.

operate properly.

above points.

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Summary of Contents for U3775

Page 1: ...User s Guide Powerful Lightweight Upright Vacuum XL Silver Series Important Read all instructions carefully and keep for future reference 76071 01 REV A...

Page 2: ...such as cigarettes matches or hot ashes Do not use without filter bag assembly in place Turn off all controls before unplugging Use extra care when cleaning on stairs Do not use to pick up flammable...

Page 3: ...Air Tabs 7 Replacing Light Bulbs 7 Stuffing or Blockage 8 Troubleshooting 8 Parts 9 Replacement Parts 9 Warranty 9 Contents Total Cleaning System 3 E N G L I S H Operation To assist you in identifying...

Page 4: ...n permanent damage to the motor suction fan and its housing 5 WARNING Do not use your vacuum cleaner on damp or wet surfaces This will cause damage to the vacuum cleaner and is dangerous to the user D...

Page 5: ...es It is important the inside of the outer bag be cleaned Vacuum the inside of the outer bag or hand wash turned inside out with warm water and air dry If desired the Celoc outer bag can be replaced f...

Page 6: ...r into slots located inside power head and pressing the door closed Replace the hold down screw and tighten Replacing Worn Belt 6 7 8 9 10 11 12 13 14 15 13 12 WARNING Unplug cord from electrical outl...

Page 7: ...rush Remove both edge brushes and replace with new ones Replace both screws and tighten Replacing Edge Brush Your ORECK U3775 vacuum cleaner has a special ORECK FRESH AIR tab pocket This pocket is loc...

Page 8: ...ing is in place against fan housing opening Replace and tighten collar until collar locking tabs are locked in place Reattach bag spring Many times blockage occurs due to a full dust bag causing dirt...

Page 9: ...se of voltages other than indicated on the serial number displayed on this product or service of this product by other than Oreck or a participating Factory Authorized Service Center Oreck does not au...

Page 10: ...10...

Page 11: ...11...

Page 12: ...9 Oreck Holdings LLC All rights reserved All word marks logos product configurations and registered trademarks are owned and used under the authority of Oreck Holdings LLC 76071 01 REV A 01 09 ECN R 9...

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