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POWER MIG 255
TROUBLESHOOTING & REPAIR
F-53 F-53
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11. Unplug and label leads X5, X6, X7, X8, and X9.
These leads have connectors near the trans-
former which can be disconnected.
12. Disconnect the output choke lead from the posi-
tive capacitor bank buss using two 1/2 in. open
end wrenches.
13. Remove the other output choke lead from the
positive output terminal using a 1/2 in. wrench.
13. Remove all cable ties, wire mounts, and any har-
ness type that could get in the way during trans-
former removal using wire cutters and screw
driver.
14. Remove the four nuts and washers mounting the
transformer to the floor of the machine using a
1/2 in. wrench.
15. Carefully remove the main transformer and choke
assembly.
16. Reassemble the main transformer and choke
assembly in the reverse order.
MAIN TRANSFORMER AND OUTPUT CHOKE
REMOVAL AND REPLACEMENT (continued)