Lincoln Electric IDEALARC DC-1500 Service Manual page 86

F-52
INPUT CONTACTOR (1CR) REPLACEMENT (continued)
WARNING
DO NOT APPLY INPUT POWER
TO THE DC-1500 WITH THE
CONTACTOR
REMOVED. POWER APPLIED
WITHOUT COVER PLATE IN
POSITION MAY CAUSE SEVERE
ARCING RESULTING IN BODILY
INJURY.
-------------------------------------------------------
PROCEDURE
1. Remove the input power from the DC-1500.
2. Remove case top, upper and lower right case
sides.
3. Disconnect 2 #211 leads and leads #2 and #32
from the input contactor CR1 coil. See Figure
F.19
3. Remove the input supply lines from the input
contactor.
4. Remove H1, H2, and H3 leads from bottom of
CR1.
TROUBLESHOOTING AND REPAIR
FIGURE F.19 – INPUT CONTACTOR
H 1 L 3 L 2 L 1 1 H 3 H 2
F O R 1 / 4 " S C R E W S 3 M O U N T I N G H O L E S 2 / 3 2 2 1 1
2/32
1
L1
H1
COVERPLATE
IDEALARC® DC-1500
3 MOUNTING HOLES
FOR 1/4" SCREWS
211
L2
L3
H2
H3
5. Remove 3 self tapping screws from contactor
mounting bracket and remove contactor.
INSTALLATION
1. Mount contactor to bracket with 3 self tapping
screws.
2. Connect H1, H2, H3, leads to bottom of CR1.
3. Connect the input supply leads.
4. Connect 2 #211 leads and #2 - #32 leads to
the CR1 coil.
Note: Ensure all the leads are connected
correctly. See wiring diagram.
5. Install case sides and case top.
F-52