Master TOC
|
TROUBLESHOOTING & REPAIR
INTERNAL AND AUXILIARY SUPPLY VOLTAGE TEST (continued)
Return to
Return to Section TOC
Return to
Return to Master TOC
13.With the Volt/ohmmeter, check the follow- ing leads for continuity:
A. Between the Protection Board and Wire Feeder 2 Receptacle:
Lead #32D Between J34 - pin 5 and P82 - pin A
Lead #32E Between J34 - pin 6 and P82 - pin I
Lead #42C Between J34 - pin 3 and P82 - pin K
Lead #102D Between J34 - pin 4 and P82 - pin C
Lead #31C Between J34 - pin 1 and P82 - pin J
Lead #106A Between J34 - pin 7 and P82
-pin D
B.Between the Protection Board and Wire Feeder 1 Receptacle:
C. Between the protection board and the square wave TIG protection board:
Lead #296 Between J38 - pin 3 and J92
-pin 6
14.After the test is completed and the prob- lem successfully repaired, disconnect input power to the machine.
15.Connect the five leads to main input con- tactor CR1 and insert plug J30 into the protection board.
16.Install the machine case sides and top.
17.Install the handle and the lift bail rubber gasket.
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Lead #32B Between J34 - pin 12 and P83 - pin A
Lead #32C Between J34 - pin 13 and P83 - pin I
Lead #42B Between J34 - pin 10 and P83 - pin K
Lead #102B Between J34 - pin 11 and P83 - pin C
Lead #31B Between J34 - pin 8 and P83 - pin J
Lead #105A Between J34 - pin 14 and P83 - pin D
