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546NS Transducer
June 2021
Figure 8. Torque Motor Assembly
APPLY LUBRICANT/SEALANT
NOTES:
1. SHADED KEY NUMBERS INDICATE PARTS THAT
SHOULD NOT BE DISASSEMBLED FROM TORQUE MOTOR.
2. KEY NUMBERS 22 AND 103 ARE NOT SHOWN.
30A8594‐K
B1767‐3
Key
Description
(1)
51
Bottom Pole Piece Plate
(1)
52
Travel Stop
(1)
53
Terminal Mounting Bracket Ass'y
(1)
(2)
55
Span Adjustment Ass'y
56
Bellows Screw
57* Bellows Ass'y
Full Size, 21 mm (27/32 inch) O.D.
Half Size, 13 mm (1/2 inch) O.D.
Quarter Size, 9.5 mm (3/8 inch) O.D.
22
Key
Description
58
Tubing Ass'y
94
Anti‐seize sealant
(not furnished with unit)
96
Silicone‐based lubricant, medium grade
(not furnished with unit)
103
Set Screw (not shown)
(1)
105
Spacer
*Recommended spare parts
1. Parts are not field repairable. The torque motor assembly should never be
disassembled because the magnetism in the torque motor will decrease
permanently. Shaded key numbers shown in figure 8 indicate parts that should not
be disassembled.
2. The span adjustment assembly uses a bronze passive lock, rather than nylon, and
a locking hex nut.
Instruction Manual
D103425X012
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