7-2 100-214-239 Rev. A
Maintenance
Power Output Loss
There are several conditions that can cause a decrease in or loss of power output, including
• operating with a faulty power supply or poor electrical connection
• operating with a loose horn-converter connection, and
• operating with a cracked or corroded horn/tip assembly.
If your unit indicates a decrease in power output, first check the Converter Cable connections,
then take the following steps to ensure that the horn/tip assembly is not loose or cracked or
corroded.
Fretting corrosion refers to a black, crusty build-up, resulting f rom friction between metal parts
that appears on the mating metal surfaces. Corrosion can reduce or alter system performance.
Examine all mating surfaces (microtip to converter, disruptor to converter, tip to horn) and
wipe the surfaces clean with a clean cloth or paper towel.
The 250/450 Sonifier does not require tuning. Tuning is done in the factory and cannot be per-
formed by the operator.
7.2 Reconditioning the Stack Interface
Ultrasonic system components work most efficiently when the mating surfaces of the Con-
verter-and-Horn combination (also called a “Stack”) are flat, in solid contact, and free from
fretting corrosion. Fretting corrosion refers to a blac k, crusty build -up, resulting from friction
between metal parts, that appears on the Stack mating surfaces. Poor contact between mating
surfaces wastes power output, makes tuning difficult, increases noise and heat, and may cause
damage to the converter.
To Next Page
Loading...
