Flowserve Limitorque Accutronix MX Mounting Instructions page 7

Exploded view of A1/A1E base (MX-05/10/20/40 only)
Housing
Socket head cap
screw
Thrust washers
Thrust nut
Thrust washers
O-ring
Thrust
pilot
Quad ring
Washer
Socket head cap screw
Accutronix MX Quick Mounting Instructions • LMENIM2312
Quad ring
Pipe plug
Needle bearings
Thrust base
standard nut
Disassembly – Units MX-05/10/20/40
Refer to the figure at left.
Disassembly of the main housing from the base may be
recommended to allow the base to remain on the valve if the actuator
must be removed for service.
Pilot removal
MX-05/10: Remove the screw and washer holding the valve pilot to the
thrust base and remove pilot.
MX-20/40: Turn counterclockwise (CCW) and remove.
Thrust bearing and nut removal
1. Remove the first set of thrust washers and bearing.
2. Remove stem nut.
NOTE: The thrust washers, bearing, and stem nut may be removed at the
same time. The second set of thrust washers and bearing do not have to
be removed.
3. Machine the stem nut to suit the valve stem. Ensure sufficient
clearance to avoid unnecessary wear and heating during operation.
Flow Control
Limitorque Actuation Systems
7