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Instruction Manual
D103425X012
Torque Motor Frame
The top pole piece plate (key 50, figure 8) of the torque motor can become twisted with respect to the bottom pole
piece plate (key 51, figure 8). If this happens contact your
Armature Travel Stop
The armature travel stop (key 52, figure 8) must be in place to prevent overstressing the armature and coil support
(key 41, figure 8) due to over‐travel. The clearance between the armature and travel stop should be 0.13 mm
(0.005 inches).
The two screws at the base of the travel stop can be loosened if an alignment is necessary.
Coil
The coil assembly (key 42, figure 8) consists of a nylon bobbin wound with wire. The coils are not attached to the
armature itself, and therefore, they must not touch the armature, or armature movements will be restricted. If this
problem exists, loosen the two screws that attach each coil assembly to the armature and coil support. Sight down the
armature and realign the coil assemblies for clearance with the armature. Tighten the screws.
Emerson sales
office.
546NS Transducer
June 2021
19
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