Valley FABRICATOR 251, Руководство по обслуживанию

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August 22, 2008 3-9
SERVICE MANUAL FABRICATOR 251
3.09 Input And Output Wire Guide
Installation
Refe r to Figu r e 3-7.
Install the input wi r e guide (the longe r one) by loosening
the input guide locksc r ew and inse r ting the guide into
the hole in the feedhead assembly. The r ecessed end of
the guide should be towa r d the wi r e spool. Adjust the
guide so that it is clea r of the feed r olls and tighten the
input guide locksc r ew.
Install the output wi r e guide in the same manne r , with
the conical end towa r d the feed r olls. The tip of the conical
end should be as close to the feed r olls as p r actical.
Tighten the output guide locksc r ew.
NOTE
Befo r e tightening the input and output guide
locksc r ews, install the d r ive r oll to help in the
alignment of the wi r e guides.
O u tp u t Wire G u ide
I n p u t G u ide Lock s crew
I n p u t Wire G u ide
O u tp u t G u ide Lock s crew
Art # A-07445
Figu r e 3-7: Wi r e Guide Installation
3.10 Selection and Installation of
Feedrolls
A Feed r oll consists of two diffe r ent sized g r ooves. As
delive r ed f r om the facto r y the d r ive r oll is installed fo r
.035” / .045” .
The stamped ma r king on the feed r oll r efe r s to the g r oove
fu r thest f r om the stamped ma r king. When mounted, that
will be the g r oove closest to the moto r and the one to
th r ead.
To ensu r e p r ope r wi r e feed, the g r oove closest to the
moto r must match the elect r ode wi r e size being used.
.045” (1.2mm) Groove
Art: A-07150
The s ize that i s vi s ible whe n
fitti n g the feedroll i s the groove
s ize i n us e.
.045
1.2
.045” (1.2mm) S tampi n g
Figu r e 3-8: Feed r oll Example
NOTE
All g r ooved feed r olls have thei r wi r e size o r
r ange stamped on the side of the r oll. On r olls
with diffe r ent size g r ooves, the oute r (visible
when installed) stamped wi r e size indicates
the g r oove in use.
Refe r to feed r oll kit #375980 in the Appendix fo r the
p r ope r selection and o r de r ing of feed r oll kits. Kit includes
d r ive r olls, an input wi r e guide and an output wi r e guide
fo r a specific wi r e type and size.
Feed r olls a r e r emoved by twisting the feed r oll r etaine r
cap and aligning the r etaining knob splines/tabs with the
d r ive gea r splines. Feed r olls a r e installed by putting the
feed r oll onto the d r ive gea r splines and twisting the
feed r oll r etaine r cap so that the splines/tabs r est against
the face of the feed r oll whe r e they will click into place.
NOTE
Installation of all styles of feed r olls fo r the
Fab r icato r 251 a r e identical.
WARNING
The welding wi r e is elect r ically Hot if it is fed
by dep r essing gun switch. Elect r ode contact
to wo r k piece will cause an a r c with gun switch
dep r essed.