Engine Throttle Adjustment Test - Lincoln Electric RANGER 3PHASE SVM207-A Service Manual

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ENGINE THROTTLE ADJUSTMENT TEST

Service and repair should be performed only by Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician
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.
TEST DESCRIPTION
If the machine output is low, this test will determine whether the gasoline engine is oper-
ating at the correct speed (RPM) during both HIGH and LOW idle conditions. Directions
for adjusting the throttle to the correct RPM are given.
MATERIALS NEEDED
Misc. Hand Tools
Strobe-tach, frequency counter, oscilloscope, or vibratach
Black or red marking pencil
TROUBLESHOOTING AND REPAIR
WARNING
RANGER® 3 PHASE
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