3-14
August 22, 2008
FABRICATOR 251
SERVICE MANUAL
3.16 Polarity Changeover
WARNING
ELECTRIC SHOCK CAN KILL! Make ce
r
tain the input powe
r
is disconnected f
r
om the powe
r
supply befo
r
e
p
r
oceeding. Do not
r
eattach the input powe
r
until told to do so in these inst
r
uctions.
The output te
r
minals a
r
e located on the f
r
ont panel of the welding powe
r
sou
r
ce.
CABLE TO GUN, CABLE TO WORK
CABLE TO GUN
CABLE TO WORK
1. GMAW* – Steel, Stainless Steel,
Aluminum & gas shielded Flux
Co
r
ed elect
r
ode wi
r
es
1. D.C. Elect
r
ode Positive
(DCEP) – Reve
r
se Pola
r
ity
1. Connected to (+)
Pos. output
te
r
minal
1. Connected to (-)
Neg. output
te
r
minal
2. FCAW* – Gasless Flux Co
r
ed
elect
r
ode wi
r
e
2. D.C. Elect
r
ode Negative
(DCEN) – St
r
aight Pola
r
ity
2. Connected to (-)
Neg. output
te
r
minal
2. Connected to (+)
Pos. output
te
r
minal
CABLE CONNECTIONS
PROCESS
POLARITY
* Exception - Contact you
r
fille
r
metal supplie
r
fo
r
the
r
ecommended pola
r
ity.
Table 3-3: P
r
ocess Cable Connections
Work Lead
Art # A-07163
Co
nn
ected for D.C.
Electrode Po
s
itive
(DCEP) Weldi
n
g
Figu
r
e 3-14: Pola
r
ity Connections fo
r
DCEP
Содержание FABRICATOR 251
Страница 2: ......
Страница 22: ...FABRICATOR 251 SERVICE MANUAL 2 6 August 22 2008 NOTES ...
Страница 38: ...3 16 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Страница 54: ...4 16 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Страница 80: ...8 4 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Страница 85: ...August 22 2008 9 5 SERVICE MANUAL FABRICATOR 251 11 13 7 15 8 9 10 14 12 1 2 3 4 5 6 Art A 07516 ...
Страница 94: ...FABRICATOR 251 A 4 August 22 2008 APPENDIX 3 MAIN PCB CIRCUIT DIAGRAM 30 VAC Art A 08574 ...
Страница 95: ...FABRICATOR 251 August 22 2008 A 5 DESCRIPTION FABRICATOR MAIN PCB 7977964 Art A 08574 _ ...
Страница 96: ...FABRICATOR 251 A 6 August 22 2008 APPENDIX 4 SPOT TIMER CIRCUIT DIAGRAM Art A 08575 ...
Страница 97: ...FABRICATOR 251 August 22 2008 A 7 DESCRIPTION CODE DESIGN FABRICATOR SPOT TIMER 7977965 Art A 08575 ...
Страница 102: ......
Страница 103: ......
Страница 104: ......