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Siemens 331-2856, 332-2856 AP 331-3 Technical Instructions page 8

Powers controls no. 6 pneumatic damper actuator
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Technical Instructions
Document No. 155-029P25
December 3, 2004
Frame Mounting -
Type A,
Two-Section Damper
Kit 752
See Figure 6 and
Figure 7
Page 8
1. Follow the steps in One-Section Damper.
2. Attach the Damper Blade Clip to the damper blade in the second damper section.
Repeat Step 2 in One-Section Damper. The push rod will connect to the extra crank
on the drive shaft.
Figure 7. Actuator and Clevis Assembly 331-2857 (Typical)
POWERS™ Controls No. 6 Pneumatic Damper Actuator
Figure 6. Two-section Damper.
Attached to Frame Mounting Kit 752.
Dimensions in Inches (Millimeters).
Siemens Building Technologies, Inc.



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