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TROUBLESHOOTING AND REPAIR |
MAIN TRANSFORMER TEST (continued)
FIGURE F.1. – OUTPUT SELECTOR SWITCH TERMINALS
X2 | X3 | X4 X5 X6 | X7 X8 |
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TEST PROCEDURE
WARNING
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.
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.
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.
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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.
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.
