Notes on trouble-shooting 4 - 23
Siemens AG RXB8-115.061.02 Page 23 of 24 POLYMOBIL III
Medical Solutions Rev. 01 10.95 CS PS 24
Checking and readjusting the counterweight 4
• Unlock the support arm (1/Fig. 7) and release the turning knob (2/Fig. 7).
Without any accessories attached, the support arm should be easy to move across the
entire movement range and stop in any position.
Readjusting the counterweight with accessories attached 4
If the support arm does not stop in any position with accessories attached, readjust the
spring tension for the counterweight.
• Take the cover (3/Fig. 7) off the stand.
• Completely release the additional brake on the support arm (2/Fig. 7).
• Move the support arm into the horizontal position.
• Tighten the screw by means of a 17mm fork wrench (4/Fig. 8).
Adjust the spring tension so that the support arm is balanced in the horizontal position,
i.e. the forces needed for lifting and lowering the tube unit are equal.
4
1
2
3
Fig. 7 Fig. 8
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