UM582127000 User Instructions
Issue AC, January 2, 2013 Spec. No. 582127000 (Model 721NPBB)
Page 60 Chapter 4. Troubleshooting and Repair
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Figure 4-21
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