Technical Information
Figure 5-22: +/- Buttons, S 3xx
Figure 5-23: Electronic +/- Buttons, S 3xx
5.9.3
S 4xx
Rotary potentiometer:
1. Carefully ease off the switch knob using a lid opener, part no. 3051670.
2. Use a small screwdriver to hold the clip fitting and press gently on the
S 2xx, S 3xx & S 4xx Canister Vacuums
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