Removal; Remounting - Flowserve Limitorque Accutronix MX Maintenance & Spare Parts Manual

Mechanical Assemblies

4.9.1 Removal

FIRST REMOVE
1. Remove actuator from mounting adapter.
2. Drain oil.
3. Remove thrust base (subassembly #10) - if fitted.
4. Remove stem nut.
STEP 1
a
WARNING
exposed during subassembly removal. To prevent injury, turn off all power
sources to actuator before removing base plate assembly. Power sources may
include: main power or control power.
Using a hex key, remove the four or eight screws (#11-5).
STEP 2
2a
11-1
Pull the baseplate (#11-1) off the drive sleeve.
a
WARNING
assembly may slip and fall out of housing. Hold drive sleeve assembly in from opposite end. See Section 4.12.A & B
for optional removal & remounting.

4.9.2 Remounting

STEP 3
CAUTION
To ensure actuator is fully secured on mounting plate, ensure
baseplate (#11-1) is tightened with the following torque values on mounting
screws (#11-5):
MX-05 and 10 = 12 ft. lbs. (16 Nm)
MX-20 and 40 = 24 ft. lbs. (32 Nm)
MX-85 & 140 = 90 ft. lbs. (114 Nm)
Lightly lubricate the outside of the drive sleeve, the quad ring or seal
(#11-3), and o-ring (#11-4) before remounting baseplate.
4-38
Potential to operate while dangerous mechanical parts are
MX-85 & 140. If handwheel worm gear assembly has previously been removed,the drive sleeve
Accutronix MX Maintenance & Spare Parts Manual
Limitorque Actuation Systems
1
2b
3
130-12000 Revision B • November 2002
Flow Control Division
11-5
11-3
11-4