Installation Instructions

Document No. 129-217

September 24, 2018

Page 2 of 6 Siemens Industry, Inc.

Removing the Actuator from the Valve

1. Remove the actuator cover.

2. Disconnect the wires and conduit, if installed.

3. Loosen the valve stem retainer using a 5 mm Allen

wrench and lower the valve stem into the valve.

4. Loosen the yoke nuts using a 5 mm Allen wrench

in the actuator yoke.

5. Remove the actuator from the valve, being careful

not to damage the valve stem.

Continue with Mounting an Actuator to a Valve.

Figure 3. Preparing a new Valve.

Mounting an Actuator to a Valve.

NOTE: Install the stem heating element,

(P/N ASZ6.6), if used, before proceeding.

Figure 4.

NOTE: Ensure the yoke nuts are loose enough to

allow the actuator to slip over the bonnet. See

Figure 5.

Figure 6.

NOTE: Hold the stem retainer in place as you tighten

it around the valve stem. See Figure 6.

Figure 7.

NOTE: Position the actuator to accommodate the

wiring. Hold the actuator in place while

tightening the yoke nuts. See Figure 7.

Figure 8.