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Flowserve MX Accutronix User Manual

Page 8

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8

LMENIM2312 • Accutronix MX Quick Mounting Instructions

Flow Control

Limitorque Actuation Systems

Reassembly – Units MX-05/10/20/40

Refer to the figure on page 7.
1. Clean the stem nut, washers, and bearings thoroughly.
2. Slide the second set of thrust washers and bearing in place if removed.

NOTE: Order of assembly for thrust washers and bearing must be as
follows: washer, thrust bearing, washer.

Pilot installation
MX-05/10: Slide pilot into thrust base assembly and secure with washer
and screw. Tighten fully.
MX-20/40: Place pilot into thrust base and turn clockwise (CW) until
pilot is tight.

Disassembly – Unit MX-85

Refer to the figure on page 9.

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.

Thrust base mounting plate removal
Remove the six socket head cap screws holding the valve mounting
plate to the thrust base housing and remove mounting plate.

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.