Lincoln Electric INVERTEC SVM199-A - Manual (Page 62)

FIGURE F.3 - INPUT RECTIFIER
INPUT RECTIFIER TEST PROCEDURE (continued)
PROCEDURE
1. Remove input power to the INVERTEC®
V450-PRO.
2. Using the 3/8” nut driver, remove the case top.
3. Perform the Capacitor Discharge Procedure.
4. Locate the Input Rectifier and lead locations.
Refer to Figure F.3.
NOTE: Some RTV sealant may have to be
removed from the input rectifier terminals.
The RTV should be replaced when test is
complete.
5. With the Phillips head screwdriver remove the
positive and negative leads from the rectifier.
TROUBLESHOOTING AND REPAIR F-22 F-22
INVERTEC® V450-PRO
NEG (-) POS (+) A
B
C INPUT RECTIFIER
NEG (-)
POS (+)
A
B
C INPUT
RECTIFIER
Return
to
Section
T
OC
Return
to
Section
T
OC
Return
to
Section
T
OC
Return
to
Section
T
OC
Return
to
Master
T
OC
Return
to
Master
T
OC
Return
to
Master
T
OC
Return
to
Master
T
OC