Hitachi CV-90CY manual Servicing And Repairs, HOW TO REPLACE THE BELT Fig

Models: CV-90CY

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SERVICING AND REPAIRS

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.

B

Fig.21

JK

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.

E

K

Fig.22

*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.

 

Trust washer

4. Screw on the end caps and tighten.

 

 

Rotary brush

5. Replace the belt, the rotary brush and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the belt cover as described previously.

Bearing case

 

 

 

 

 

 

 

 

 

 

 

 

Ball bearing

Bearing case

 

 

 

 

 

 

 

Ball bearing

 

 

 

 

 

End cap

 

 

End cap

 

 

Shaft

 

Trust washer

 

 

 

 

 

 

 

 

 

 

 

 

Fig.23

 

Fig.24

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CV_90CY.p65

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6/28/04, 3:23 PM

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Hitachi CV-90CY manual Servicing And Repairs, HOW TO REPLACE THE BELT Fig, HOW TO REPLACE THE ROTARY BRUSH Fig