Installation Instructions

Document No. 129-367
Installation Instructions
May 13, 2021
Page 2 of 7 Siemens Industry, Inc.
Figure 2. Setting the Direction of Rotation.
NOTE: For DIP switch setting options, see the
Technical Instructions EA GDE/GLB-1
(155-187P25).
Mounting and Installation
NOTE: The GDE/GLB actuator comes with a factory
installed 1/2-inch shaft guide. If shaft size is
1/2-inch, proceed with Figure 6.
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 Ø inch 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 Ø inch 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).