ST Series Power Supply Instruction Manual MAINTENANCE AND STORAGE
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6 MAINTENANCE AND STORAGE
6.1 PREVENTIVE MAINTENANCE
Preventive maintenance is to be done with main power turned off and locked out/tagged
out, following your company’s safety program.
• Check and confirm power supply earth ground is clean and secure at power supply
ground terminal and at the facility earth ground point.
• For cleaning the outside of the device, a slightly moistened cloth will usually do. Do
not use any aggressive or abrasive cleaning agents.
• Check that the power supply vents are clean of any buildup of dust or dirt. Vacuum
out/ blow out main cabinet of power supply to remove this build up.
• Check and confirm all electrical wires, connections and contactors in the main power
supply cabinet are clean and showing no sign of overheating or other damage. If
there are signs of overheating, contact Telemark Service and Support. Check all
mechanical connections and terminal block connections, to assure they are clean,
and connections are tight.
• Confirm the High Voltage connection in the power supply is clean and tight. Clean
any oxidation, as needed, and tighten connection.
• Confirm the mechanical connections at the filament source transformer are clean
and tight and free of oxidation. This is located, in most cases, under the chamber,
near the high voltage feedthroughs. Also confirm connections of the cables to the
high voltage feedthroughs are tight and secure.
• Confirm the power supply controller cables are secure and screw terminals are tight.
Confirm the earth ground is connected to the provided ground point. Confirm ground
point is clean and secure.
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