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

Mechanical Assemblies

4.10.1 Removal

FIRST REMOVE
1. Remove actuator from mounting adapter.
2. Drain oil.
3. Remove motor (subassembly #4). (See Section 4.1.1.)
STEP 1
a
WARNING
exposed during subassembly removal. To prevent injury, turn off all power
sources to actuator before removing worm shaft assembly. Power sources may
include: main power or control power.
Remove the four screws (#3-5) that secure the worm shaft cap (#3-2)
to the actuator housing.
STEP 2
NOTE: The inboard bearing (#3-5 for MX-05, 20, 85 & 140), at the end
of the worm shaft (#3-1) should remain in the actuator housing. If it
falls out while removing the worm shaft assembly, ensure it is
replaced during remounting process.
Withdraw the complete worm shaft assembly from the
actuator housing, turning/rotating it if necessary to free the worm
from the worm gear. Note the o-ring (#3-7) that is on the worm shaft
assembly. Replace at remounting.

4.10.2 Remounting

STEP 3
Check that the bearing (#3-5) is seated firmly in the
actuator housing.
4-40
Potential to operate while dangerous mechanical parts are
Accutronix MX Maintenance & Spare Parts Manual
Flow Control Division
Limitorque Actuation Systems
1
2
3
130-12000 Revision B • November 2002
3-2
3-9
3-1
3-7
(located
behind
flange)