Flowserve MX Accutronix - Manual (Page 13)

13 Accutronix MX Quick Mounting Instructions • LMENIM2312
Flow Control
Limitorque Actuation Systems
Ensure the thrust base stem nut has the lugs positioned upward to
engage with the drive sleeve slots when the actuator is reinstalled.
Rotate the bronze nut while holding the base steady.
or
b. If the thrust base is installed on the valve mounting adapter,
proceed to step two.
2. Lower the actuator along the threaded valve stem and onto the valve
mounting plate. Ensure the thrust base stem nut lugs properly engage
and align with the drive sleeve slots.
3. Install the bolts to secure the actuator to the thrust base assembly.
Removal (Type “A” Bases): Thrust-only
1. Remove the bolts that secure the actuator to the thrust base
assembly.
2. Remove the type “A” thrust base by removing the bolts that secure
the actuator to the valve mounting adapter.
or
Leave the type “A” thrust base mounted to the valve mounting adapter
until ready to remount the actuator. The thrust base will maintain valve
position provided that the valve stem threads are locking.
3. Lift the complete actuator from the thrust base.
Checking the Settings
When the assembly of the actuator to the valve is complete, the actuator
position limits may be set. Please refer to LMAIM2310, Quick Start-Up
Instructions, for calibration of valve/actuator position limits.