Nilfisk SC750 User Manual

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Service Manual: SC750, SC800, SC 750 ST, SC800 ST

Form Number 56043150 Page 156

Removal and Installation

Speed Limit Potentiometer – ST models

1. Loosen set screw and remove knob.

2. Remove potenometer mounng nut and washer.

3. Remove upper handle bolts.

4. Loosen lower handle bolts and rotate handle down.

5. Disconnect handle electrical connector.

6. Remove the access plate.

7. Disconnect 3 electrical connectors. Make sure you

carefully record the wire colors and their posions

so that you will be able to reconnect them correctly.

8. Remove potenometer.

9. Reassemble in reverse order.

Speed Limit Potentiometer – Non-ST models

1. Remove upper handle bolts.

2. Loosen lower handle bolts and rotate handle down.

3. From the back side of the paddle, remove the 4

screws securing the front cover. Parally remove the

front cover.

4. Disconnect the wiring from the speed limit poten-

ometer. Make sure you carefully record the wire

colors and their posions so that you will be able to

reconnect them correctly.

5. Remove front cover.

6. Remove the potenometer knob and mounng nut.

7. Reassemble in reverse order.

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Nilfisk SC750 Heavy-Duty Cleaning