100-214-276 Rev. 3 7-3
2000X aed Actuator Chapter 7: Maintenance
Instruction Manual Periodic and Preventive Maintenance
7. Tape a clean sheet of #400 grit (or finer) emery cloth to a clean, smooth flat surface. A piece
of glass is suitable.
8. Hold the part to be conditioned at its lower end and carefully stroke it in one direction across
the emery cloth. Do not press down. the weight of the component provides enough pressure.
9. Perform a second stroke. Rotate the part 1/3 around and stroke it twice across the cloth.
Use no more than two strokes in one position. Use the same number of strokes
at each location.
10. Turn the part the remaining 1/3 and repeat.
11. Re-examine the interface and repeat steps 8, 9, and 10 until the surface appears clean and
smooth. This should not take more than 2 or 3 complete rotations of the part being recondi-
tioned.
12. Clean the threaded hole, using a clean cloth or paper towel.
13. Replace the stud with a new one if removed. Torque the 3/8-24 studs to 290 inch pounds
(32.77 Nm). Torque 1/2-20 studs to 450 inch pounds (50.84 Nm).Torque M8x1-1/4 studs to
70 inch pounds (7.9 Nm).
The use of a Branson torque wrench or the equivalent is recommended. P/N 101-
063-617 for 20kHz systems and 101-063-618 for 40kHz systems.
Failure to follow torque specifications may cause the stud to loosen or break, and
the system to overload. The use of a Branson torque wrench or equivalent is
required.
14. Reassemble the stack and install it in the actuator, using the procedures in Section 4.8,
Assemble the Acoustic Stack, beginning on page 4-33 of this manual.
DOC EXPIRES 12PM 7/24/2012. Article or Material must comply with the requirements
stipulated by RoHS in its current version
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