Hitachi CV-90CY Vacuum Cleaner User Manual


 
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SERVICING AND REPAIRS
CAUTION: Be sure to disconnect the plug from the electrical outlet before
replacing the belt or the rotary brush.
*HOW TO REPLACE THE BELT (Fig. 21, 22)
The drive belt should be checked regularly to ensure that it is in good condition. If it is
stretched, cracked or cut, it should be replaced.
1. Turn the cleaner over. Release the handle to the middle position.
Remove the 3 screws from the belt cover. (Fig.21)
2. Remove the belt cover B as shown.
3. Lift the rotary brush assembly J out of the brush housing and remove the
worn or broken belt K.
*HOW TO REPLACE THE ROTARY BRUSH (Fig. 23, 24)
Be sure to disconnect plug from the electrical outlet. Remove the belt cover, the
belt, and the rotary brush assembly following the direction previously given.
1. Grasp the rubber end caps and turn them counterclockwise until one of the end
caps comes off as shown in Fig.23.
2. Separate the rotary brush from other parts.
3. Reassemble each part with new rotary brush as shown in Fig.24. Be careful
not to forget to install any parts.
4. Screw on the end caps and tighten.
5.
Replace the belt, the rotary brush and
the belt cover as described previously.
4. Place one end of the new belt over the motor shaft, and then slip the other end
around the pulley of the rotary brush. Reinstall the rotary brush back into
position.
Press firmly both sides of the rotary brush to be sure they are securely in place.
5. Place the four projections of the belt cover to the windows E provided on the
front end of the case and replace the belt cover, and re-fasten the screws
securely.
B
J
K
Fig.21
E
K
Fig.22
Fig.23 Fig.24
Trust washer
Rotary brush
End cap
Ball bearing
Bearing case
Shaft
Trust washer
Bearing case
Ball bearing
End cap
CV_90CY.p65 6/28/04, 3:23 PM9