Machine interface for raw arc Voltage
7. Remove the bolt securing the work lead wire (J27) to the power board.
8. Place the ring terminal of Wire #2 (positive lead) on top of the work lead wire ring terminal.
9. Secure the two wires to the power board using the previously removed bolt. Tighten the bolt to 63.4 kg cm
(55 in.-lbs).
10. Locate the opening in the bottom of the center panel that the transformer wires pass through and push the end of
the cable through the opening.
11. From the fan side of the power supply, pull the entire length of the cable through the opening in the bottom of the
center panel. Leave enough cable on the power board side to route the wires along the base of the power supply.
12. Route the end of the cable through the strain relief nut, rear panel access point, strain relief, and strain relief
retention nut. Pull the cable through the strain relief leaving enough cable to rest in the bottom of the power supply
without tension.
Wire #1 connects
to electrode wire (-)
terminal (J28)
8
J11
B
Transformer
R
wires
ORG
J17
RED
J18
J27
J28
WORK
LEAD
J32
RED
Wire #2 connects to work
lead (+) terminal (J27)
Powermax105/125
J22
J21
J20
+
J26
_
Cable passes through opening
in bottom of center panel
J19
J25
_
+
Field Service Bulletin