Lincoln Electric SVM138-A Service Manual page 106

F-42
METER CIRCUIT ACCURACY TEST (continued)
FIGURE F.10 – METER PC BOARD LOCATIONS AND COVER
MOUNTING SCREWS
TEST PROCEDURE
1. Remove input power to the LN-9 GMA wire
feeder.
2. Lift the right side cover assembly and remove
the two screws holding the meter cover to the
right side assembly.
meter cover. See Figure F.10.
3. Locate and gain access to the meter PC
board. See Figure F.10.
4. Apply input power to the wire feeder.
ELECTRIC SHOCK can kill.
TROUBLESHOOTING & REPAIR
Carefully remove the
WARNING
• With power applied, there
are high voltages inside
the wire feeder. Do not
reach into the wire feeder
or touch any internal part
of the wire feeder while
power is applied.
LN-9 GMA Wire Feeder
F-42