Lincoln Electric 10372 Service Manual page 148

F-84
M IN INPUT CONT CTOR REMOV L
FIGURE F.24 — M IN INPUT CONT CTOR REMOV L
REMOV L PROCEDURE
1. Remove input power to the Power
Wave 455.
2. Using the 3/8 in. nutdriver, remove the
case top, sides, and input access
panel.
3. Perform the Capacitor Discharge
Procedure.
4. Using the slot head screwdriver,
remove the three input lines (L1, L2,
and L3) from the main contactor. Refer
to Figure F.24.
5. Using the slot head screwdriver,
remove the three heavy leads (T1, T2,
and T3) from the input contactor. Also
TROUBLESHOOTING ND REP IR
POWER W VE 455/POWER FEED 10
ND REPL CEMENT ( ontinued)
ND REPL CEMENT.
MOUNTING
SCREW (3X)
L3
L2
L1
T1
remove the small T2 lead. Label leads
for reassembly.
6. Remove the two small leads T1 and T3
from the quick disconnect terminals.
7. Remove leads 601, 601A, and X4, X4A
from the contactor coil terminals.
8. Remove leads L1A and L3A from the
contactor line side quick-disconnect
terminals.
9. Using the 5/16 in. nutdriver, remove
the three mounting screws holding the
input contactor to the metal housing
bracket.
10. Carefully remove the input contactor.
F-84
X4/X4A
601/601A
T3
T2