Troubleshooting & repair – Lincoln Electric POWER WAVE SVM173-A User Manual
Page 118
TROUBLESHOOTING & REPAIR
F-72
F-72
POWER WAVE 455M/MSTT
PHILLIPS
SCREW
DEVICENET/
GATEWAY BOARD
(LOCATED BEHIND
FRONT COVER)
FIGURE F.24 – GATEWAY BOARD REMOVAL AND REPLACEMENT
GATEWAY PC BOARD REMOVAL AND REPLACEMENT (CONTINUED)
REMOVAL PROCEDURE
1. Remove input power to the Power Wave
455.
2. Using the phillips head screw driver, remove
the six screws from the case front cover. Tilt
open the cover and support it. See Figure
F.24.
3. Observe all static electricity precautions.
4. Label and remove the four molex plugs from
the Gateway Board.
5. Using the 3/8” nut driver, remove the self-
locking mounting nuts from the Gateway
Board. Carefully remove the board. Refer
to Figure F.24.
REPLACEMENT PROCEDURE
1. Install the Gateway Board to the case front
cover with the self-locking nuts. Use the 3/8”
nut driver.
2.
Connect the four molex plugs to the
Gateway Board.
3. Using the phillips head screw driver, attach
the cover to the case front.