Installation Instructions

Document No. 129-587
Installation Instructions
October 20, 2016
Page 2 of 8 Siemens Industry, Inc.
When using a 3/8-inch shaft: Remove factory-installed
1/2-inch guide. See Figure 3.
Figure 3. Removing 1/2-inch Ø Shaft
Guide for 3/8-in or 5/8-in Shaft.
Figure 4. 3/8-inch Ø Shaft, See Figure 1 Item f.
1. A 3/8-inch shaft adapter is provided in actuator
package.
2. Hold the shaft insert so that the raised tabs are
inserted last when placing the insert into the
back of the actuator.
3. Proceed to Figure 6.
When using a 5/8-inch shaft:
Figure 5. 5/8-inch Ø Shaft.
1. Remove factory-installed 1/2-inch guide. See
Figure 3.
2. Mount actuator to shaft per Figure 6.
Figure 6. Mounting Actuator to Damper Shaft.
Figure 7. Installing the Position Indicator (b).