Lincoln Electric PRO-CUT 25 SVM149-A Service Manual page 71

F-37
INPUT BOARD REMOVAL & REPLACEMENT (continued)
Fan
Leads
11. Using a 7mm Nut driver, remove the
four mounting nuts from the corners of
the Input Board. Be careful not to lose
the washer behind each nut. Input
Board can be removed after these four
nuts are removed.
12. After replacement of the Input
Board, replace the four nuts and
washers previously removed
from the corners of the board.
Do Not Over tighten.
13. Using a 7 mm nut driver replace
two leads originating from the
Input Switch. (A+B)
14. Reconnect four leads in their
correct positions. (AC and CP)
TROUBLESHOOTING & REPAIR
FIGURE F.17 – INPUT BOARD REMOVAL
Multi-colored
Plug
Mounting
Screws
PRO-CUT 25
Mounting
Screws
Switch
Leads
A B
AC
AC
Four
Leads
CP
15. Reconnect the harness plug.
16. Reconnect the fan leads to the Input
Board. Be sure that leads are
connected to their original positions.
17. Replace the case wraparound.
18. Replace the plastic nut from around the
pressure regulator. Do Not Over
tighten.
19. Replace the carry handle.
F-37