Lincoln Electric CLASSIC III SVM 137-A User Manual
Classic iii/iiid, Svm 137-a, Service manual
SVM 137-A
January, 1998
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However,
your overall safety can be in-
creased by proper installation . . .
and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT
READING THIS MANUAL AND
THE SAFETY PRECAUTIONS
CONTAINED THROUGHOUT.
And, most importantly, think
before you act and be careful.
SERVICE MANUAL
World’s Leader in Welding and Cutting Products Premier Manufacturer of Industrial Motors
Sales and Service through subsidiaries and Distributors Worldwide
22801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.S.A. Tel. (216) 481-8100
For use with machine code numbers 10061, 10072 or 10156.
CLASSIC III/IIID
Gasoline & Diesel Engine Driven DC Arc Welding Power Source
RETURN TO MAIN INDEX
Document Outline
- Master TOC
- Safety
- Section A Installation
- Section B Operations
- Section C Accessories
- Section D Maintenance
- Section E Theory of Operation
- Section F Troubleshooting & Repair
- Symptoms
- The engine starts and runs at correct speed, but there is no, or very low, welder output voltage. There is...
- The engine starts and runs at correct speed, but there is no, or very low, welder output voltage. The AC...
- The welding output varies abnormally. The auxiliary output remains constant. The engine is operating correctly.
- The engine starts and runs at the correct speed, but there is no AC auxiliary output voltage. The DC...
- The engine starts and runs normally. The machine takes a long time to “build-up” and produce output...
- The engine will not return to low idle when the welding and auxiliary loads are removed.
- The engine will NOT go to high speed when a load is applied to the welding output terminals. The...
- The engine will NOT go to high speed when a load is applied to the AC auxiliary receptacles. The...
- The engine will NOT go to high speed when either a welding load or an auxiliary load is connected to...
- The engine will not shut down.
- The engine “cranks” but will not start (Classic III gasoline models only).
- The engine “cranks” but will not start (Classic IIID diesel models only).
- The engine starts but shuts down after a short period of time.
- The welding arc is loud and spatters excessively.
- The welding arc frequently “pops out.”
- Section G - Electrical Diagrams