Lincoln Electric POWER MIG SVM167-A - Manual (Page 48)

TEST PROCEDURE
THE ON/OFF POWER SWITCH will be
“hot” during these tests.
NOTE: Secondary voltages will vary
proportionately with the primary
input voltage.
1. Disconnect the main input power
supply to the machine.
2. Remove the case top and side panels
with a 3/8” nutdriver.
3. Remove the tool tray with a 5/16” nut
driver.
4. Locate leads X2 thru X8 located on
the output selector switch. See Figure
F.1.
5. Locate lead X1 located on the output
rectifier assembly. See Figure F.2.
6. Locate leads X9 and X10. See Figure
F.3.
7. Connect main input power to the
machine.
8. Turn the POWER MIG 215 ON/OFF
Power Switch to the ON position.
9. Carefully make the following voltage
tests. See Table F.1.
10. Turn off the machine.
11. If any of the voltages are incorrect
or missing, check for loose or broken
connections
between the main
transformer and the test points.
TROUBLESHOOTING AND REPAIR F-12 F-12
POWER MIG® 215
MAIN TRANSFORMER TEST (continued)
FIGURE F.1. – OUTPUT SELECTOR SWITCH TERMINALS
WARNING
ELECTRIC SHOCK can kill.
• Do not touch electrically live
parts such as output terminals
or internal wiring.
• All input power must be electri-
cally disconnected before pro-
ceeding.
WARNING
X8
X7
X6
X5 X4 X3 X2
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