Lincoln Electric SVM150-A service manual Engine Throttle Adjustment Test

Models: SVM150-A

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F-19

F-19

TROUBLESHOOTING & REPAIR

ENGINE THROTTLE ADJUSTMENT TEST

WARNING

Service and repair should be performed by only 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 1-800-833-9353 (WELD).

TEST DESCRIPTION

If the machine output is low or high, this test will determine whether the engine is operat- ing at the correct speed (RPM) during both HIGH and LOW idle conditions. You can check RPM using a strobe-tach, a frequency counter, an oscilloscope or a vibratach. Directions for adjusting the throttle to the correct RPM are given.

MATERIALS NEEDED

3/8" Wrench or socket wrench 9/16" Wrench

White or red marking pencil

Stobe-tach, frequency counter, oscilloscope, or vibratach

This procedure should take approximately 35 minutes to perform.

RANGER 250

Page 69
Image 69
Lincoln Electric SVM150-A service manual Engine Throttle Adjustment Test