E-3
E-3
TROUBLESHOOTING
PROBLEMS
(SYMPTOMS)
No wire feed when gun trigger is
pulled. Fan runs, gas flows and
machine has correct open circuit
voltage (33 vcd maximum)
–
weld
output.
POSSIBLE
CAUSE
1. If the wire drive motor is running
make sure that the correct drive
rolls are installed in the machine.
2. Check for clogged cable liner or
contact tip.
3. Check for proper size cable liner
and contact tip.
RECOMMENDED
COURSE OF ACTION
Contact your local Lincoln
Authorized Field Service Facility.
FEEDING PROBLEMS
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY
for assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
Low or no gas flow when gun
trigger is pulled. Wire feed, weld
output and fan operate normally.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1. Check gas supply, flow regulator
and gas hoses.
2. Check gun connection to
machine for obstruction or leaky
seals.
RECOMMENDED
COURSE OF ACTION
Contact your local Lincoln
Authorized Field Service Facility.
GAS FLOW PROBLEMS
SP-175T
Observe all Safety Guidelines detailed throughout this manual
Summary of Contents for SP-175T
Page 20: ...B 7 B 7 APPLICATION CHART SP 175T ...
Page 32: ...NOTES SP 175T ...
Page 33: ...NOTES SP 175T ...
