Procedure - Potentiometer R863 3 - 3
Siemens AG SPB7-230.841.03 Page 3 of 6 M300/1000/3000/3000 Nova
Medical Solutions Rev. 02 04.04 CS PS 24 Service
• Attach and solder the wires onto the contact lugs of the new potentiometer. Place it into
its metal enclosed observing the position of the little pin (1/Fig. 3) which should prevent
its turning; apply the washer and the mounting nut and tighten it.
• Push the carrier bracket with the ball bearing onto the potentiometer shaft, place the
assembly onto the upper slab, and tighten the two hex socket head screws.
• Re-attach the upper cable clamp, if necessary; the wires should not touch moving parts
(the toothed belt).
• Drive the slide manually down to the lower limit.
Fig. 4 Fig. 5
Fig. 6 Fig. 7
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