Lincoln Electric PRO-CUT 55 Service Manual page 79

F-41
CONTROL BOARD REMOVAL AND REPLACEMENT (continued)
4 SCREWS
PROCEDURE
1. Remove input power to the Pro-Cut 55
machine.
2. Remove the wraparound cover and perform
the Input Filter Discharge Procedure
detailed earlier in this section.
TROUBLESHOOTING & REPAIR
FIGURE F.16 - CASE FRONT SCREW REMOVAL
FIGURE F.17 - CONTROL BOARD MOLEX PLUG REMOVAL
PRO-CUT 55
3. Using the 5/16" nut driver, remove the four
screws holding the front assembly to the top
and base of the machine. See Figure F.16.
4. Carefully slide (do not force) the front away
from the rest of the machine about one inch.
This will allow more "working" room to
remove the control board.
CONTROL
BOARD
MOLEX PLUGS (5)
F-41