Siemens 8BT2 Installation And Operating Instructions Manual page 59

Inserting the lower
shutter opening tool
881-4027.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8BT2 * Revision 04
Fig60. Lower shutter opening tool
Fig61. Short instruction label on lower shutter opening tool (pos.nr.
Unlock the spring mechanism by screwing the knob approx. 180° counter clockwise
(fig62).
Move the knob laterally between end positions to proof the spring mechanism is free
(fig62).
Fig62. Knob detail of lower shutter operating tool
Push the knob into left position and hold.
Insert the lower shutter opening tool at the left side by meeting the two slots in the
lower shutter arm with the lugs (fig63 and 64).
in fig60).
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