Flowserve MX-85 Actuator - Manual (Page 20)

Flow Control
Limitorque Actuation Systems
12 MX-85/140 Maintenance and Spare Parts FCD LMAIM1341-00
STEP 2
a WARNING: Potential high-pressure vessel!
Before disassembling your actuator, ensure
that the valve or other actuated device is iso-
lated and is not under pressure.
Lift actuator from thrust base assembly (#10).
2
10
STEP 3
a WARNING: Potential for actuated device to
change position! The thrust base will maintain
position only if non-backdriving thread lead is
used. Ensure proper thread lead is used in your
application before allowing thrust base to be
used for maintaining position when actuator
is removed.
Thrust base removal (if required)
The valve position will be maintained if a locking
thread lead is used on the valve stem. If thrust
base removal is required, use the following
removal procedure.
Remove the bolts that secure the thrust base to the
mounting adapter.
3
STEP 4
Rotate the thrust base (#10) until it feeds off the
threaded stem.
4
10