Branson Sonifier 250 - Refacing Mating Surfaces

Chapter 7: Maintenance
Reconditioning the Stack Interface
7 - 4 100-413-016 Rev. C
7.4.1 Refacing the Mating Surfaces
NOTICE
Never clean the Converter or Horn mating surfaces with a buffing wheel.
1. Disassemble the Converter / Horn Stack and wipe the mating sur-
faces with a clean cloth or paper towel.
2. Examine all mating surfaces. If any mating surface shows corro-
sion or a hard, dark deposit, recondition it.
3. Examine the knurled end of the stud. If worn, replace the stud.
NOTICE
Threaded studs cannot be reused in titanium horns. If you remove the
stud from the horn, you must replace it with a new stud.
4. Tape a clean sheet of #400 (or finer) grit emery cloth to a clean,
smooth, flat surface (such as a sheet of plate glass).
NOTICE
Be careful to avoid tilting the part and losing flatness of the surface.
Doing so may make the system inoperative, due to improper mating sur-
faces.
#400 Emery
Cloth
Tape