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UM582127000 User Instructions
Issue AC, January 2, 2013 Spec. No. 582127000 (Model 721NPBB)
Page 58 Chapter 4. Troubleshooting and Repair
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Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
Figure 4-19
Replacing a Battery Disconnect Contactor
in a 2, 3, or 4-Row Distribution Cabinet
Battery
Disconnect
Contactor
Apply electrical anti-oxidizing
compound to busbar mating surfaces.
Components removed in
illustration for clarity only.
Front
2-row Distribution Cabinet
shown, 3 or 4-row cabinet similar.
Shown being removed from front
for clarity only. Removal is from rear.
1/2-13 x 1-1/4” Bolt
1/2" Belleville Lock Washer
1/2" Belleville Lock Washer
(concave side of Belleville
Lock Washers face each other)
1/2" Hardened Flat Washer
(4 places)
Torque to 500 in-lbs.
White/Black
Wire
Brown Wire
Brown/White Wire
Red/White
Wire