Lincoln Electric V155-S - Manual (Page 40)

INV
ER
TEC
V1
55
Five Screws
Inve
ter B
oard
Three Screws
Ground
FIGURE F.1 – CASE COVER SCREW LOCATIONS
CASE COVER REMOVAL PROCEDURE (CONTINUED)
PROCEDURE
1. Disconnect power to the INVERTEC® V155-S.
2. Using a phillips head screwdriver remove the five
screws securing the case cover sides together. See
Figure F.1.
Note:
The two bottom screws are machine screws that
thread into nuts. The nuts will fall out of the right
side.
3. Carefully remove the left side case cover from the
machine.
Note:
Be careful. The case back and fan will be loose
when the cover is removed.
4. Perform the Input Capacitor Discharge Procedure
steps 3 thru 7.
5. Using a phillips screwdriver, remove the three
screws securing the Inverter board to the right side
case cover.
Note:
These screws can only be accessed from the
inside of the machine and only after the left side
case cover has been removed. It may be nec-
essary to cut the plastic tie that secures the Input
power cord to the top bracket
6. Note placement of ground lead secured by lower
front phillips screw on inverter board for re-assem-
bly.
7. Remove case back and fan. Lay unit on the left
side and remove the right side cover.
TROUBLESHOOTING & REPAIR F-8 F-8
INVERTEC® V155-S
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