Miller Electric S-21E User Manual
Page 4
Section No.
Page 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.
Diagram 11-2.
Diagram 11-3.
Diagram 11-4.
Diagram 11-5.
Circuit Diagram For S-21 E Effective With Serial No.
JJ507797 And Following
Wiring Diagram For S-21 E Effective With Serial No.
JJ507797 And Following
Circuit Diagram For Motor Control Board PCi Effective
With Serial No. JJ507797 And Following
Circuit Diagram For Optional SpotlBurnback Board PC2
Effective With Serial No. JJ507797 Thru JK742028
Circuit Diagram For Optional Spot/Burnback Board PC2
Effective With Serial No. JK742029 And Following
29
29
30
31
32
SECTION 12— PARTS LIST
LIST OF CHARTS AND TABLES
Table 3-1. Specifications
Table 8-1. Troubleshooting
Table 10-1. Maintenance Schedule
Table 11-1. List Of Circuit Diagrams And Wiring Diagrams
3
15
25
28
14
14
14
16
17
18
20
22
24
25
26
26
27
27