User Instructions UM581127000
Spec. No. 581127000 (Model 710NPBA) Issue AB, March 22, 2012
Chapter 4. Troubleshooting and Repair Page 51
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Figure 4-20
Replacing a Load Disconnect Contactor
in a 2, 3, or 4-Row Distribution Cabinet
Load Disconnect
Contactor
2-row Distribution Cabinet
shown, 3 or 4-row cabinet similar.
Apply electrical anti-oxidizing
compound to busbar
mating surfaces.
5/16-18 Nut
5/16" Belleville Lock Washer
5/16" Belleville Lock Washer
(concave side of Belleville
Lock Washers face each other)
5/16" Hardened Flat Washer
(4 places)
Torque to 100 in-lbs.
Components removed in
illustration for clarity only.
Front
Contactor styles vary
between manufacturer’s.
Black Wire
Violet/White Wire
Violet Wire
Red Wire
Violet/White Wire
Violet Wire
Black Wire
Red Wire
