Input rectifier, Troubleshooting & repair, Procedure – Lincoln Electric INVERTEC V350-PRO SVM152-A User Manual
Page 120
PROCEDURE
1. Remove input power to the V350-PRO.
2. Using a 5/16” nut driver remove the case
wraparound cover.
3. Perform the Input Filter Capacitor Discharge
Procedure detailed earlier in this section.
4. Locate the input rectifier. See figure F.36.
5. Carefully remove the silicon sealant insulating the
six input rectifier terminals.
6. Remove the six screws from the terminals using a
flathead screwdriver. Carefully note the position of
all leads and their positions upon removal. See
Figure F.37.
7. Using a 3/16”in. allen wrench remove the two
mounting screws and washers from the input
bridge. See Figure F.37.
8. Remove the input bridge.
TROUBLESHOOTING & REPAIR
INPUT RECTIFIER REMOVAL AND REPLACEMENT (continued)
F-82
F-82
V350-PRO
W
AR
NING
RE
M
OTE
PO
W
ER
OFF
ON
A
AMPS
A
V
VOL
TS
WELD
TERM
IN
ALS
SELECT
OUTPUT
LINCOLN
ELECTRIC
INVER
TEC V350-PR
O
INPUT
RECTIFIER
FIGURE F.36 – INPUT RECTIFIER LOCATION