M Motor Actuators
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Y20EBD Valve Linkage for M100 Motor Actuators 15
As received, the valve stem connector (mounted in the spring housing of
the rack subassembly) accommodates a 1/4 inch stem valve. If the valve
has a 3/8 inch stem, replace the connector with the 3/8 inch connector
furnished separately. To change the valve stem connector:
Spring Clip
Pin
Valve Stem
Connector
Spring
Housing
Y20A1-11
Figure 13: Valve Stem Connector
1. Remove the spring clip and pin from the spring housing as shown in
Figure 13.
2. Insert the connector nut so that the holes line up with the holes in the
spring housing.
3. Replace the pin and spring clip.
Note: It is a good idea to verify which valve stem connector is inserted
prior to installation.
To mount the gear housing and rack assembly to the motor actuator and
valve, proceed as follows:
Y20A1-12
Gear
Housing
Gear
Gear
Cover
Hole for
Rack Subassembly
Gear Cover
Screws
Figure 14: Gear Housing Assembly
1. Loosen the two gear cover screws and remove the gear cover and gear
from the gear housing as shown in Figure 14.
Valve Stem
Connector
Mounting
Linkage
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