SIREMOBIL Iso-C 3D SPR2-230.814.01 Page 2 of 8 Siemens AG
Rev. 05 08.04 CS PS 24 Medical Solutions
5 - 2 2. Part of activities independent of serial number
Coupling unit 5
• Fit the coupling unit onto the centering disk, the shaft has to engage the connecting piece
(Fig. 4).
• Press the coupling unit against the centering disk and attach it to the left and right using
the two threaded pins (Fig. 5).
• Loosen the belt tightener at the coupling unit (Fig. 6).
• Push the wide toothed belt onto the motor (Fig. 6).
• Tighten the belt. On the opposite side of the belt tightener, it should be possible to press
down the belt approx. 2 - 3 mm with your thumb (Fig. 7).
Fig. 4 Centering disk Fig. 5 Coupling unit
Fig. 6 Toothed belt Fig. 7 Belt tensioning
threaded pin
connecting piece
2 to 3 mm
tightener
toothed belt