Manuals
/
Brands
/
Power Tools
/
Welder
/
Lincoln Electric
/
Power Tools
/
Welder
Lincoln Electric
SVM 113-A
- page 106
1
106
106
Download
106 pages, 1.1 Mb
NOTES
G-8 G-8
WELDANPOWER 125
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Contents
Main
SVM 113-A
WELDANPOWER 125
January, 1996
Safety Depends on You
SERVICE MANUAL
i i
WARNING
ELECTRIC AND MAGNETIC FIELDS may be dangerous
ii ii
ARC RAYS can burn.
ELECTRIC SHOCK can kill.
FUMES AND GASES can be dangerous.
iii iii
FOR ELECTRICALLY powered equipment.
CYLINDER may explode if damaged.
WELDING SPARKS can cause fire or explosion.
iv iv
PRCAUTIONS DE SRET
PRCAUTIONS DE SRET POUR LES MACHINES SOUDER TRANSFORMATEUR ET REDRESSEUR
Mar. 93
MASTER TABLE OF CONTENTS FOR ALL SECTIONS
- INSTALLATION SECTION -
Page
SAFETY PRECAUTIONS
LOCATION AND VENTILATION
STORING
STACKING
TILTING
PRE-OPERATION ENGINE SERVICE
OIL
FUEL
SPARK ARRESTER
ELECTRICAL OUTPUT CONNECTIONS
WELDING CABLE CONNECTIONS
MACHINE GROUNDING
PLUGS AND HAND-HELD EQUIPMENT
AUXILIARY POWER RECEPTACLES
PREMISES WIRING
CIRCUIT BREAKERS
Page
- OPERATION SECTION -
OPERATING INSTRUCTIONS
SAFETY INSTRUCTIONS
ELECTRIC SHOCK can kill.
FUMES AND GASES can be dan- gerous.
WELDING SPARKS can cause fire or explosion.
RECOMMENDED APPLICATIONS
WELDER
GENERATOR
OPERATIONAL FEATURES AND CONTROLS
DESIGN FEATURES AND ADVANTAGES
CONTROLS AND SETTINGS
GASOLINE ENGINE CONTROLS
ENGINE OPERATION
BEFORE STARTING THE ENGINE
STARTING THE ENGINE
STOPPING THE ENGINE
BREAK-IN PERIOD
LOW OIL SENSING
WELDING OPERATION
GENERAL INFORMATION
TIG WELDING
Page
AUXILIARY POWER
GENERAL INFORMATION
Page
Page
ACCESSORIES
OPTIONS/ACCESSORIES
LINCOLN ELECTRIC ACCESSORIES
BRIGGS AND STRATTON ACCESSORIES
Page
SAFETY PRECAUTIONS
ROUTINE AND PERIODIC MAINTENANCE
ENGINE MAINTENANCE
MAINTANENCE
Page
WELDER/GENERATOR MAINTENANCE
Page
Section E-1 Section E-1
-THEORY OF OPERATION SECTION-
ENGINE
STATOR ROTOR STATOR
IDLER P.C. BOARD
FIGURE E.1 WELDANPOWER 125 BLOCK LOGIC DIAGRAM
ENGINE, EXCITATION, ROTOR AND STATOR
ROTOR FIELD FEEDBACK, AUXILIARY POWER AND ENGINE IDLE CONTROL
AUXILIARY POWER OVERCURRENT PROTECTION
WELD WINDING, OUTPUT RECTIFIER AND CHOKE
TROUBLE SHOOTING & REPAIR SECTION
HOW TO USE TROUBLESHOOTING GUIDE
PC BOARD TROUBLESHOOTING PROCEDURES
Page
Page
Page
Page
Page
Page
Page
Page
Page
ROTOR VOLTAGE TEST
ROTOR VOLTAGE TEST (continued)
ROTOR RESISTANCE TEST
Page
ROTOR RESISTANCE TEST (continued)
OUTPUT RECTIFIER BRIDGE TEST
OUTPUT RECTIFIER BRIDGE TEST (continued)
W2
204
W1
Strap 203
MAIN STATOR TEST
MAIN STATOR TEST (continued)
W2
204
W1
Strap 203
Page
ROTOR FLASHING CIRCUIT TEST
Page
ROTOR FLASHING CIRCUIT TEST (continued)
ENGINE THROTTLE ADJUSTMENT TEST
Page
Page
Page
Page
NORMAL OPEN CIRCUIT WELD VOLTAGE WAVEFORM
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115 VAC SUPPLY)
MACHINE LOADED TO 125 AMPS AT 25 VAC
TYPICAL WELD OUTPUT WAVEFORM
MACHINE LOADED
ABNORMAL OPEN CIRCUIT WELD VOLTAGE WAVEFORM
BRUSH REMOVAL AND REPLACEMENT
BRUSH REMOVALAND REPLACEMENT (continued)
BRUSH REMOVALAND REPLACEMENT (continued) PROCEDURE (continued)
RHEOSTAT REMOVAL AND REPLACEMENT
RHEOSTAT REMOVAL AND REPLACEMENT (continued)
FIELD CAPACITOR REMOVAL AND REPLACEMENT
FIELD CAPACITOR REMOVALAND REPLACEMENT (continued)
FIELD DIODE BRIDGE REMOVAL AND REPLACEMENT
Page
FIELD DIODE BRIDGE REMOVALAND REPLACEMENT (continued)
IDLER PRINTED CIRCUIT BOARD REMOVAL AND REPLACEMENT
IDLER PRINTED CIRCUIT BOARD REMOVALAND REPLACEMENT (continued)
OUTPUT RECTIFIER BRIDGE REMOVAL AND REPLACEMENT
Page
OUTPUT RECTIFIER BRIDGE REMOVALAND REPLACEMENT (continued)
OUTPUT CHOKE REMOVAL AND REPLACEMENT
Page
OUTPUT CHOKE REMOVALAND REPLACEMENT (continued)
STATOR/ROTOR REMOVAL AND REPLACEMENT
INSTRUCTIONS
STATOR/ROTOR REMOVAL AND REPLACEMENT(continued) STATOR REMOVAL PROCEDURE
Page
ROTOR REMOVALPROCEDURE
REASSEMBLYPROCEDURE
Page
Page
RETEST AFTER REPAIR
ENGINE OUTPUT
WELDER/GENERATOR OUTPUT
AUXILIARY POWER RECEPTACLE OUTPUT
Page
Page
G-2 G-2
WIRING DIAGRAM (CODE 10158 & 10160)
(15A CSA)
20A
+
CB1
IDLER PC BOARD (M17578) SCHEMATIC
t
CR1
R5
R7
DIMENSION PRINT WELDANPOWER 125
Page
G-6 G-6
M17578 IDLER PC BOARD
C1
J1
Q2
C2
M17578 IDLER PC BOARD BILL OF MATERIALS