Lincoln Electric CLASSICII SVM125-A User Manual
Classic ii, Svm125-a, Service manual
SVM125-A
October 1996
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However,
your overall safety can be
increased by proper installation .
. . and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READ-
ING THIS MANUAL AND THE
SAFETY PRECAUTIONS CON-
TAINED 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 9805 to 10220
CLASSIC II
TM
RETURN TO MAIN INDEX
Table of contents
Document Outline
- Master TOC
- Safety
- Section A Installation
- Section B Operation
- 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...
- 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.
- 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