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
Summary of Contents for S-21E
Page 2: ......
Page 17: ...S 21E TM 1571 Page 13 Notes...
Page 38: ...CO 0 N C Ci 0 E 4 U U N in C J 1 4 I 0 IL N C J Ci E a Ci a V TM i571 Page 34 S 21E...
Page 42: ...SA 123 147 F Figure 12 3 Motor Control Circuit Card PCi TM 1571 Page 38 S 21E...
Page 46: ...Notes...
Page 47: ...Notes...
Page 48: ......