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Siemens-Elema AB SPR8-215.898.01 Page 1 of 28 MOBILETT Plus / - E/ - M
Solna, Sweden Rev. 05 01.02 SPS-UD
Mechanical systems 10
Adjusting the arm system 10
Parallelism 10
The parallelism adjustment affects the maximum height and the counterbalance and must
be performed prior to performing any other adjustment of the arm system.
• Remove all arm and joint covers so that the adjustment rod is visible (Fig. 1).
• The adjustment rod must always be parallel with the arm. This can be checked by
measuring at two points as far away from each other as possible but with the same
diameter of the pull rod (Fig. 26). The parallelism must not deviate more than 0.6 mm.
The measurements must be performed with the arm in the uppermost and lowermost
positions. If not parallel loosen the locking nuts and adjust by turning the pull rod.
Never work with the system open if the capacitor is charging or
has just been charged.
The capacitor bank may still be charged even if the system is
switched OFF and the mains cable is disconnected.
Life-threatening electric shock hazard exists.
See Chap.:
"Protective measures when working on the capacitor bank".
Fig. 1
Equipment required: Slide caliper and a rope. If the parallelism must be adjusted, a
ceiling support is required.
MOB00435
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