84 DCM00002 REV. 16
6.1 Preventive Maintenance
The following preventive measures help assure long term operation of your Branson
equipment.
6.1.1 Periodically Clean the Equipment
Air is continuously drawn into the Branson Touchscreen Controller. Periodically disconnect
the unit from power, remove the cover and vacuum out any accumulated dust and debris.
Remove material adhering to the fan blades and motor, transistors, heat sinks,
transformers, circuit boards, cooling intake vents, and exhaust ports. Filters can be added
to the Touchscreen Controller cooling fans for dusty environments. External covers may be
cleaned with a damp sponge or cloth using a solution of mild soap and water. Do not allow
cleaning solution to enter the unit. To prevent rust in areas of high humidity, exposed steel
surfaces, such as handles, hardware, and the main column may require a very light film of
oil, such as WD-40
®
*.
*WD-40 is a registered trademark of WD-40 Manufacturing Company Corporation.
6.1.2 Routine Component Replacement
The lifetime of certain parts is based on the number of cycles the unit has completed, or
on hours of operation, e.g., at 20,000 hours, cooling fans should be replaced.
WARNING General Warning
• All system components must be disconnected from the main electrical
supply
• Remove the plug from the main electrical supply and secure it from being
re-inserted accidentally
• Use LOTO (Lock Out Tag Out) lockable plug cover over line cord plug
during any maintenance
• Disconnect the air hose from the main air supply
• Before you begin to disassemble any parts of the controller, ensure that it
is turned off, and the main power is disconnected. Wait at least 5 minutes
to allow capacitors to discharge
• High voltage is present in the power supply. Do not operate with the cover
removed. High line voltages exist in the ultrasonic power supply module.
Common points are tied to circuit reference, not chassis ground.
Therefore, use only non-grounded, battery-powered multimeters when
testing these modules. Using other types of test equipment can present a
shock hazard
NOTICE
When it is necessary to clean the touch screen, wipe gently with a
soft cloth dampened with a mild detergent or a window glass
commercial cleaner. Give a final wipe to the entire screen with the
soft damp cloth. Under no circumstances should you use solvents or
ammonia to clean the screen.
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