Flowserve MX Limitorque - Manual (Page 23)

15
Limitorque MX Maintenance and Spare Parts FCD LMENIM2314-00 – 07/08
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STEP 3
c 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 main-
taining 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
3.2.2 Remounting (Type A1/A1E Base)
Actuator Remounting Separate from Thrust Base
STEP 5
Thrust base remounting (if required)
Ensure the thrust base stem nut has the two
lugs positioned upward to engage with the
drive sleeve slots when actuator is reinstalled
onto thrust base. Thread thrust base back
onto mounting adapter.
5