Lincoln Electric IDEALARC SP-250 Service Manual page 76

Lincoln electric welding system user manual
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F-29
WIRE DRIVE MOTOR AND TACHOMETER FEEDBACK TEST
TEST PROCEDURE
NOTE:
POLARITY
OBSERVED FOR THESE TESTS.
Test for Correct Wire Drive Motor
Armature Voltage
1. Disconnect main input power to the
machine.
2. Remove the Case Top and Side
Panels using a 5/16" nut driver.
3. Locate Plug J5 on the G2252
Control Board, or Plug J6 on the
G1992 Control Board (Code 9402
only)..
See Figures F.10A and
F.10B.
#515B
#515B
(3J5)
(3J5)
#206B
(2J5)
#555
(1J5)
FIGURE F.10A - Plug J5 Location on
G2252 PC Control Board.
TROUBLESHOOTING & REPAIR
MUST
BE
J2
J7
J4
J5
J6
#539
#541
(8J5)
(9J5)
IDEALARC SP-250
SP-250 CONTROL
G2252
J8
J9
J3
F-29

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