Lincoln Electric SVM188-A Service Manual page 82

F-42
REMOVAL AND REPLACEMENT PROCEDURE (cont.)
OUTPUT
SNUBBER
GATE LEAD
CONNECTOR
BUSHING
"A" LEAD, WHITE
(6 PLACES)
"C" LEAD, RED
(6 PLACES)
REMOVAL PROCEDURE
NOTE: Before removing the Rectifier Assembly pay
particular attention to the original place-
ment and location of the electrical connec-
tions to assure proper reassembly. Tag any
leads where the Lincoln lead number is not
evident.
TROUBLESHOOTING AND REPAIR
SCR RECTIFIER BRIDGE
FIGURE F.17 – RECTIFIER ASSEMBLY
TO LEFT SIDE
OF CHOKE
OUTPUT
SHUNT
DC-600
LEFT SIDE
OF CHOKE
SECONDARY
LEAD (6 PLACES)
MOUNTING
BOLTS (4)
215
210
CONNECTION
STRAP
NOTE: Lincoln Electric does not recommend
replacement of individual SCRs. In the event
of a failure, the entire assembly should be
replaced.
F-42