Lincoln Electric SVM188-A Service Manual page 87

F-47
REMOVAL AND REPLACEMENT (continued)
Thread Forming Screw
Rectifer Mounting
Bracket
REMOVAL PROCEDURE (cont.)
.
NOTE: It is important that the twisted pair (feed-
back leads) and the meter leads be recon-
nected correctly to the Shunt.
⏐
TROUBLESHOOTING AND REPAIR
MAIN TRANSFORMER AND CHOKE
FIGURE F.20 – TRANSFORMER REMOVAL
5/16-18 Hex Nut
Plain Washer
Lock Washer
Insulator
Transformer
Bridge Mounting
Secondary Lead
Bracket
Insulator
Insulator
OUTPUT
SNUBBER
CONNECTION
SECONDARY
LEAD CONNECTION
(6 PLACES)
RECTIFIER
MOUNTING
(4 Places)
DC-600
Negative Output Lead
Plain Washer
Output Snubber Lead
'A' Lead from
Snubber
Heat Sink
3/8-16 x 1 Cap Screw
TIG WELDED
CHOKE
CONNECTION
CHOKE
MOUNTING
(4 Places)
LIFT BALE
MOUNTING
(4 Places)
Rectifier Bridge Removal Procedure.
NOTE: The hole in the lift bale assembly is to
allow access to the mounting bolts with a
socket and extension
F-47
Choke Lead
Lock Washer
3/8-16 Hex Nut
Plain Washers (2)
SCR