Feed Head Test - Lincoln Electric LN-23P Service Manual

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Service and repair should be performed by only Lincoln Electric factory trained person-
nel. Unauthorized repairs performed on this equipment may result in danger to the tech-
nician or machine operator and will invalidate your factory warranty. For your safety and
to avoid electrical shock, please observe all safety notes and precautions detailed
throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the
test / repairs safely, contact the Lincoln Electric Service Department for electrical trou-
bleshooting assistance before you proceed. Call 1-888-935-3877.
NOTE: The procedures and tests described in this manual are written with the under-
standing that the repair technician fully understands the process of locating
and accessing (within the welding machine) the specific board or device
involved in each procedure or test.
TEST DESCRIPTION
This test will determine if the motor and gearbox are functioning correctly.
MATERIALS NEEDED
Volt/Ohmmeter with Amp Probe
DC voltage source (12 to 48 Volt / 5amp
Misc. Hand Tools
TROUBLESHOOTING AND REPAIR
All manuals and user guides at all-guides.com

FEED HEAD TEST

WARNING
LN-23P
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