Siemens UL 1066 Operating Instructions Manual page 256

(1) Front tines
(2) 2x locating dowel pins
Installing the four shutter spring assemblies.
1 Place each spring assembly tine into cradle cut-outs, first by inserting rear tines.
2 Twist the assembly towards the side wall of the cradle.
3 Ensure that the locating dowel pins are seated, and front tines are inserted through the side wall.
Do not apply excessive force to the white trumpets when inserting the tines through the side walls; if necessary, adjust tines using pliers.
1 Spread the tines with a turning motion using the slotted-type screwdriver (clockwise and counterclockwise). Check that the shutter
spring assembly is firmly in place. Attach all four shutter assemblies as described.
Ensure that the tines are spread.
2 After installing and affixing the shutter spring assemblies, pull the shutter towards the front so that it is flush to the screw flanges of
the white trumpet.
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(2)
(1)
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