Black tach, Black arm white arm blue tach red tach, Troubleshooting and repair – Lincoln Electric POWER MIG 11521 User Manual
Page 54
Advertising
Black
Tach
J11
J11
Black
Arm
White
Arm
Blue
Tach
Red
Tach
FIGURE F.4 – PLUG J4
WIRE DRIVE MOTOR AND TACHOMETER FEEDBACK TEST (continued)
PROCEDURE
NOTE: POLARITY MUST BE OBSERVED FOR
THESE TESTS.
Test for correct wire drive motor armature voltage.
1. Disconnect main input power to the machine.
2. Open the side panels and remove the tool tray
using a 5/16” nutdriver.
3. Locate plug J4 on the wiring harness. See
Wiring Diagram.
4. Locate the black and white armature leads on
plug J4. See Figure F.4.
TROUBLESHOOTING AND REPAIR
F-16
F-16
Power MIG® 215XT
Advertising