Valley FABRICATOR 251, Руководство по обслуживанию

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August 22, 2008 3-7
SERVICE MANUAL FABRICATOR 251
3.08 Attaching the Gun and Cable
Assembly to the Power Source
The Fab r icato r 251 is supplied with a Valley National Gases 400 AMP ai r -cooled gun. This MIG gun is designed with an
e r gonomic handle and fewe r pa r ts to r educe pe r fo r mance p r oblems. It also uses standa r d r eadily available Valley
National Gases consumable pa r ts.
1. Open the doo r panel to the machine by inse r ting you r left and r ight index finge r s into the two r elease mechanisms
ma r ked with hand a rr ows in Figu r e 3-4. Slide them towa r d each othe r and pull the cove r outwa r d and up to
open.
Art # A-07142_AB
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Figu r e 3-4: Doo r Panel Opening
NOTE
Lub r icate the O- r ing on the quick-connect fitting of the gun cable with g r ease (Dow company #4 compound
o r equivalent).
2. Route the gun cable th r ough the access hole in the f r ont panel. Refe r to Figu r es 3-5 and -3-6.
3. Loosen the thumbsc r ew and inse r t the gun cable end as fa r as it will go. Tighten thumbsc r ew. Refe r to
Figu r e 3-6.
4. Align the keyways of the Gun Switch connecto r with the r eceptacle below the gun cable and plug them togethe r .
Secu r e by tu r ning the locking r ing to the r ight (clockwise ). Refe r to Figu r e 3-6.
NOTE
When disconnecting gun switch leads f r om the machine, loosen the locking r ing and g r ab the connecto r s
and pull. Do not pull on the wi r es.
5. To r emove the gun, r eve r se these di r ections.