Eaton Magnum Air MWN-408 User Manual page 4

Magnum
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
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