47
section 6
troubleshootinG
6.4.1 power rectifiers and blocking diodes
1. Remove top cover and side panels
2. Locate and disconnect plug in rear of ammeter (attached
tone red and one black wire)
3. Remove pilot arc switch
4. Disconnect voltmeter
5. Disconnect orange and yellow wires from relay K4.
6. Remove two bolts holding the left side of the front panel
to the base.
7. Remove three bolts holding across the center base of the
front panel. These are accessed from underneath.
8. Remove one of the bolts holding the right side of the
front panel to the base. Loosen the second bolt. Of
these two bolts, remove the bolt on the left and loosen
the bold on the right.
9. Swing the front panel out to gain access to power recti-
fier components.
troubleshooting procedures –negative plate
1. Visually inspect fuses F8 and F9. Replace if they show signs
of being blown or melted. Inspect diodes. If ruptured
or burned, replace all diodes on the NEG Plate. If diodes
appear to be OK, proceed to next step.
Location of Neg. Plate
Location of fuses F8 and F9
Power Rectifiers
Procedure to access behind the front panel
Blocking Diodes
Power Rectifiers
Содержание Plasmarc EPP-601
Страница 1: ...EPP 601 Plasmarc RU 0558007979 06 2012...
Страница 2: ...52 529...
Страница 3: ......
Страница 4: ...4...
Страница 7: ...7 1 1 0 ESAB 1 B 2 3 4 5 IP 12 60 IP 23S 15 15...
Страница 8: ...8 1...
Страница 10: ...10 2 2 3 850 1143 mm 45 00 946 mm 37 25 1022 mm 40 25...
Страница 11: ...11 3 3 1 3 2 3 3 1 EPP 601...
Страница 12: ...12 3 3 4 3 4 1 EPP 601 3 I U x I x 0 68 U 2 2 EPP 601...
Страница 13: ...13 2 2 3 4 2 EPP 601 12 7 1 EPP 601 2 3 4 5 6 3 4 3 1 3 2 1 2 3 3 TB4 TB6...
Страница 14: ...14 3 5 3 5 1 600 4 0 AWG 400 600 100 4 0 AWG 600 100 3 3 5 2 1 2 3 UL 4 1...
Страница 15: ...15 3 EPP 600 3 6 100 100 600 4 0 AWG 600 14 AWG EPP 601 600 100 4 0 AWG 600 600 4 0 AWG...
Страница 19: ...19 3 3 7 24 8 3 7 1 4 647032...
Страница 20: ...20 3 4 3 7 2 647032 2010549 3 7 3 647257 2062105...
Страница 21: ...21 4 4 1 2 H 3 T1 300 375 300U120 0 0 10 0 I U x 80 High S T T T L1 L2 T T1 T1 425 250 R R EPP 601...
Страница 29: ...29 4 4 4 EPP 601 5 A 50 800 2 2 I 80 U I 10 U 800 I 80 U I 10 U...
Страница 31: ...31 4 4 4 4 38 4 4 5 PCB1 7 50 800 250 800 1200 90 80 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10 SW1 SW2...
Страница 62: ...notes...