August 22, 2008
4-1
SERVICE MANUAL
FABRICATOR 251
SECTION 4:
OPERATION
WARNING
DO NOT TOUCH the elect
r
ode wi
r
e while it is being fed th
r
ough the system. The elect
r
ode wi
r
e will be at
welding voltage potential.
4.01 Power Supply Controls, Indicators and Features
Weldskill
13V - 16V
17V - 21V
22V - 31V
A/V
Thermal Overload I
n
dicator
Wire Feed
S
peed Co
n
trol
Power O
n
/Off
S
witch
Coar
s
e Voltage
S
elector
S
witch
Fi
n
e Voltage
S
elector
S
witch
S
pool G
un
Ga
s
O
u
tlet
S
pool G
un
I
n
terface
Amphe
n
ol Receptacle
G
un
Polarity Lead
Digital Di
s
play
Voltage / Amp
S
electio
n
B
u
tto
n
G
un
S
witch
Amphe
n
ol
Receptacle
Fro
n
t Pa
n
el
Acce
ss
Hole
Torch
Art # A-08562
Po
s
itive Weldi
n
g
Termi
n
al
Negative Weldi
n
g
Termi
n
al
Figu
r
e 4-1: Fab
r
icato
r
Cont
r
ols
Summary of Contents for FABRICATOR 251
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Page 22: ...FABRICATOR 251 SERVICE MANUAL 2 6 August 22 2008 NOTES ...
Page 38: ...3 16 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Page 54: ...4 16 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Page 80: ...8 4 August 22 2008 FABRICATOR 251 SERVICE MANUAL NOTES ...
Page 94: ...FABRICATOR 251 A 4 August 22 2008 APPENDIX 3 MAIN PCB CIRCUIT DIAGRAM 30 VAC Art A 08574 ...
Page 95: ...FABRICATOR 251 August 22 2008 A 5 DESCRIPTION FABRICATOR MAIN PCB 7977964 Art A 08574 _ ...
Page 96: ...FABRICATOR 251 A 6 August 22 2008 APPENDIX 4 SPOT TIMER CIRCUIT DIAGRAM Art A 08575 ...
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