Sonics 1096 Actuator - Manual (Page 22)

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I N S T R U C T I O N M A N U A L • M O D E L S 1 0 9 9 / 1 0 9 6
21
RE-ESTABLISHING PROPER BOOSTER / HORN
INTERFACES
To re-establish proper interfaces, follow these instructions:
1. Using open-ended wrenches, separate the booster from the horn. Clean
each item and then examine interfaces for irregularities (scoring).
2. If irregularities are present, remove the stud.
3. Tape a sheet of 400 grit emery cloth to a smooth, flat surface. (Do not use
coarser than 400 grit.)
4. Grasp the lower portion of the booster or horn and move it across the
emery cloth. To ensure proper lapping, a) hold the part straight, b) apply
light downward pressure, and c) move in one direction only in a figure 8
pattern.
Repeat the figure 8 pattern once more.
5. Then, rotate the booster or horn 1/3 of a turn in a clockwise direction and
then repeat step 4.
6. Repeat step 5.
7. Using wire brush, clean stud, then replace securely. Tighten new stud to
the recommended torque specifications on page 12.
NOTE: Contact between
the booster and horn
should be parallel. When
encountering symptoms
such as loud noises or
tuning difficulties, examine
the booster / horn
interfaces for parallelism,
corrosion, galling or foreign
deposits. Also check the
tightness of the stud.
DO NOT use anything
coarser than 400 grit
emery cloth.
NOTE: Machining of
booster / horn may alter
the ability to tune the
component to the system.
System inoperation may
occur.