Valley FABRICATOR 251, Руководство по обслуживанию

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August 22, 2008 3-1
SERVICE MANUAL FABRICATOR 251
SECTION 3:
INSTALLATION
3.01 Environment
The Fab r icato r 251 is NOT designed fo r use in
envi r onments with inc r eased haza r d of elect r ic shock.
Examples of envi r onments with inc r eased haza r d of
elect r ic shock a r e:
In locations in which f r eedom of movement is r est r icted,
so that the ope r ato r is fo r ced to pe r fo r m the wo r k in a
c r amped (kneeling, sitting o r lying) position with physical
contact with conductive pa r ts;
In locations which a r e fully o r pa r tially limited by
conductive elements, and in which the r e is a high r isk of
unavoidable o r accidental contact by the ope r ato r , o r
In wet o r damp hot locations whe r e humidity o r
pe r spi r ation conside r ably r educes the skin r esistance of
the human body and the insulation p r ope r ties of
accesso r ies.
Envi r onments with inc r eased haza r d of elect r ic shock do
not include places whe r e elect r ically conductive pa r ts in
the nea r vicinity of the ope r ato r , which can cause inc r eased
haza r d, have been insulated.
3.02 Location
Be su r e to locate the Powe r Supply acco r ding to the
following guidelines:
In a r eas, f r ee f r om moistu r e and dust.
In a r eas, f r ee f r om oil, steam and co rr osive gases.
In a r eas, not subjected to abno r mal vib r ation o r shock.
In a r eas, not exposed to di r ect sunlight o r r ain.
Place at a distance of 1 ft (300 mm) o r mo r e f r om walls
o r simila r that could r est r ict natu r al ai r flow fo r cooling.
The minimum g r ound clea r ance fo r these p r oducts is 5.5"
(140mm).
3.03 Ventilation
Since the inhalation of welding fumes can be ha r mful,
ensu r e that the welding a r ea is effectively ventilated.