Valley FABRICATOR 251, Руководство по обслуживанию

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4-2 August 22, 2008
FABRICATOR 251 SERVICE MANUAL
On / Standby Power Switch
The indicato r light is p r ovided to indicate when the Fab r icato r 251 is connected to the Input Powe r Supply Voltage.
With the switch in the Standby position, the auxilia r y powe r and the fan a r e tu r ned off and the switch is illuminated.
WARNING
When the light is lit, the machine is connected to the Mains supply voltage and the inte r nal elect r ical
components a r e at Mains voltage potential.
Digital Display
The Digital Display allows fo r accu r ate monito r ing (5% tole r ance) of welding cu rr ent and voltage to facilitate
p r ecise welding condition adjustments.
Val u e di s played for 157 Amp Val u e di s played for 21.9 Volt s
Art # A-07279
Figu r e 4-2: Digital Display
The Digital Mete r will display both welding cu rr ent o r a r c voltage. To toggle between the cu rr ent and voltage
r eadings dep r ess the push button switch mounted below the mete r display.
The Digital Mete r will hold the last r eading at completion of welding fo r 10 seconds to allow fo r easy ope r ato r set
up.