Troubleshooting Circuit Diagram For Welding Power Source - Hobart Handler 190 Technical Manual

6-2. Troubleshooting Circuit Diagram For Welding Power Source

V1
V2
V3
V5
See also Section 6-3
for PC1 data
Wire Speed While Feeding*
Voltage
Wire Diameter Switch S2
And Type Position
.030/.035 Solid
1
or Flux Core
2
3
4
5
6
7
*All tests done with .030-.035 liner in H-10 model 10
foot welding gun, smooth groove drive roll.
Values are nominal depending on drive roll pressure
and spool hub tension.
TM-260 273 Page 22
Test Equipment Needed:
V9
R12
V4
R11
Min. Max.
IPM IPM
24 424
44 476
60 536
76 604
92 672
108 708
124 728
*All tests done with the pressure assembly
open, not feeding wire. Values are nominal.
R1
R2
R3
R4
R5
R6
R7
V10
R13
Drive Motor RPM At No Load*
Voltage
Min.
Switch S2
RPM
Position
1 13
2 17
3 21
4 25
5 29
6 34
7 38
V6,R8
V8
V7,R9 R10
Max.
RPM
125
142
161
177
195
204
208
Handler 190