Section No - Miller Electric S-21E Technical Manual

Section No.

SECTION 8- TROUBLESHOOTING
8-1. Testing Instruments And Information
8-2. Circuit Board Handling Precautions
8-3. Troubleshooting
Diagram 8-1. Troubleshooting Circuit Diagram For Wire Feeder
8-4. Motor Board PCi Testing Information
Diagram 8-2. Troubleshooting Circuit Diagram For Motor Control
Board PCi
8-5. Optional SpotlBurnback Board PC2 Testing Information
Diagram 8-3. Troubleshooting Circuit Diagram For Optional Spot/Burnback
Board PC2
SECTION 9- COMPONENT IDENTIFICATION AND LOCATION
Figure 9-1. Component Identification And Location
SECTION 10- MAINTENANCE
10-1. Routine Maintenance
10-2. Aligning Drive Roll And Wire Guide
10-3. Reinstallation Of Hub Assembly
10-4. Brush Inspection And Replacement
10-5. Overload Protection
SECTION 11 ELECTRICAL DIAGRAMS
-
Diagram 11-1. Circuit Diagram For S-21 E Effective With Serial No.
JJ507797 And Following
Wiring Diagram For S-21 E Effective With Serial No.
Diagram 11-2.
JJ507797 And Following
Diagram 11-3. Circuit Diagram For Motor Control Board PCi Effective
With Serial No. JJ507797 And Following
Diagram 11-4. Circuit Diagram For Optional SpotlBurnback Board PC2
Effective With Serial No. JJ507797 Thru JK742028
Diagram 11-5. Circuit Diagram For Optional Spot/Burnback Board PC2
Effective With Serial No. JK742029 And Following
SECTION 12- PARTS LIST
Table 3-1. Specifications
Table 8-1. Troubleshooting
Table 10-1. Maintenance Schedule
Table 11-1. List Of Circuit Diagrams And Wiring Diagrams
LIST OF CHARTS AND TABLES
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