REPLACING THE DRIVE BELT:

1.Unplug the power cord.

2.Turn the unit over and remove the bottom plate as previously described REMOVING THE BOTTOM PLATE

3.Lift the rear belt cover up and back.

4.Remove the vented support fitting, noting position.

5.Remove agitator unit and worn out belt.

6.Loop new belt around motor drive shaft and agitator pulley.

7.Replace agitator unit in housing.

8.Turn agitator unit by hand to install new belt onto guide, making sure belt is not twisted and rotating parts move smoothly.

9.Reinsert the vented support fitting and lower rear belt cover.

10.Reinsert bottom plate making certain that the hinges are in place on the front of the housing before sliding the two latches outward to fasten.

CHANGING THE AGITATOR BRUSHES:

Replace agitator when they are worn or when the bristles do not touch a card held across the base plate. Replace all four brushes at the same time to maintain maximum cleaning performance.

Remove agitator, start as described on page 15 section 1-5.

1.Remove rubber end cover.

2.Unscrew the end cap and remove.

3.Remove the agitator shaft.

4.Remove and replace the brushes on the shaft.

5.Reinstall the pulley and agitator holder making sure they are inserted completely and firmly.

6.Reinstall remaining parts.

7.Reinstall agitator assembly as described previously in

step 6-10 on page 15.

FOR BEST PERFORMANCE:

1.Keep machine and all accessories clean and in proper operating condition.

2.Change dust bags and filters as recommended to maintain optimum cleaning efficiency.

3.Always use genuine dust bags and filters. Use of other products may result in unsatisfactory cleaning or filtration performance.

4.Have your vacuum cleaner checked regularly by your Authorized Vacuum

Cleaner service center.

5.Use only repair parts or services provided by Authorized Vacuum Cleaner service center.

6.Carefully store machine in a dry area.

7.For optimum cleaning performance and safety, follow this owner’s manual.

8.Keep this manual in a safe place for future reference.

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Koblenz/Thorne Electric U-900, U-800 manual Replacing the Drive Belt, Changing the Agitator Brushes, For Best Performance