Hobart Welding Products Handler 135 Technical Manual page 27

Voltage Readings
a) Tolerance − 10 % unless
specified
b) Wiring Diagram − see Section 8
V1 230 volts ac with power cord plugged in
V2 230 volts ac with Power switch S1 On
V3 24 volts ac with Power switch S1 On
V4 30 volts dc with Power switch S1 On
V5 27 volts dc with gun trigger pressed
V6 230 volts ac with gun trigger pressed
V7 230 volts ac with gun trigger pressed
V8, 13.9 volts ac with Voltage switch S2
V9 in position 1
16.5 volts ac with Voltage switch S2
in position 2
19.1 volts ac with Voltage switch S2
in position 3
21.7 volts ac with Voltage switch S2
in position 4
V10 18.9 volts dc with Voltage switch S2
in position 1
22.6 volts dc with Voltage switch S2
in position 2
25.1 volts dc with Voltage switch S2
in position 3
29.8 volts dc with Voltage switch S2
in position 4
V11 7.0 to 17.5 volts dc from min. to max. of
Wire Speed control R1 with
Voltage switch S2 in position 1
10.0 to 20.5 volts dc from min. to max. of
Wire Speed control R1 with
Voltage switch S2 in position 2
12.7 to 24.0 volts dc from min. to max. of
Wire Speed control R1 with
Voltage switch S2 in position 3
15.5 to 27.0 volts dc from min. to max. of
Wire Speed control R1 with
Voltage switch S2 in position 4
Handler 135 / 175
Resistance Values
a) Tolerance − 10% unless specified
b) Turn Off unit and disconnect input
power before checking resistance
R1-R6 All values for T1 are less than 1 ohm
R7 Less than 1 ohm at minimum position of
Wire Speed control R1; 55k ohms at
maximum position of Wire Speed control R1
R8 Less than 1 ohm
R9 Less than 2 ohms with wire feed motor
disconnected from circuit
Wire Speed And Drive Motor RPM Feeding Wire*
Voltage
Wire Diameter Switch S2
And Type Position
.030/.035 Solid
1
or Flux Core
2
3
4
*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.
Drive Motor RPM At No Load*
Voltage
Min.
Switch S2
RPM
Position
1
2
3
4
*All tests done with the pressure assembly
open, not feeding wire. Values are nominal.
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Min. Max. Min.
RPM RPM
40 135
50 160
70 190
90 205
Max.
RPM
80 150
110 175
135 200
160 235
Max.
IPM IPM
150 510
190 600
260 700
340 800
194 325-A
TM-944 Page 25