Lincoln Electric CLASSIC III SVM 137-A User Manual
Classic iii/iiid, Svm 137-a, Service manual
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Table of contents
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