Eaton Magnum Air MWN-408 - Page 4

Magnum
4
1812.900A
6 INSPECTION AND MAINTENANCE ....................................................................................................................... 46
6.1 General ...............................................................................................................................................46
6.2 General cleaning recommendations ...................................................................................................46
6.3 When to inspect .................................................................................................................................46
6.4 What to inspect ..................................................................................................................................47
6.4.1 Functional field testing ...................................................................................................................47
6.4.2 Arc chute inspection ......................................................................................................................48
6.4.3 Primary contact inspection.............................................................................................................49
6.5 Circuit breaker modifications and changes .........................................................................................50
6.5.1 Rating plug replacement ................................................................................................................50
6.5.2 Current sensor replacement ..........................................................................................................51
7 TROUBLESHOOTING.............................................................................................................................................. 53
7.1 Introduction.........................................................................................................................................53
8 RENEWAL PARTS...................................................................................................................................................55
8.1 General ...............................................................................................................................................55