Tweco 281 Thermal Arc Fabricator - Manual (Page 59)

FABRICATOR 281
April 10, 2006 5-1
SECTION 5:
MAINTENANCE & TROUBLESHOOTING
To clean the Power Supply, disconnect it from the mains
supply voltage then open the enclosure and use a vacuum
cleaner to remove any accumulated dirt and dust. The
Power Supply should also be wiped clean. If necessary,
solvents that are recommended for cleaning electrical
apparatus may be used.
Troubleshooting and repairing the Fabricator should be
carried out only by those who are familiar with electrical
equipment.
WARNING
Do not attempt to diagnose or repair unless
you have had training in electronic measure-
ment and troubleshooting techniques.
5.01 Routine Maintenance & Inspection
The only routine maintenance required for the Fabricator
281 is a thorough cleaning and inspection, with the fre-
quency depending on the usage and the operating envi-
ronment.
WARNING
Disconnect the Fabricator from the Input
power supply voltage before disassembling.
Special maintenance is not necessary for the control unit
parts in the Power Supply. If these parts are damaged for
any reason, replacement is recommended.
CAUTION
Do not blow air into the Power Supply during
cleaning. Blowing air into the Power Supply
can cause metal particles to interfere with sen-
sitive electronic components and cause dam-
age to the Power Supply.