Eaton Pow-R-Line SPX0361126 Maintenance Manual page 437

a. If there is no evidence of looseness, e.g., overheating, do not disturb or tighten the connections.
b. If there is evidence of overheating (as noted in 4.2) or arcing, an investigation of the cause
should be made and corrective steps taken. (See Section 5.)
4.3.2.5 Examine the switch for evidence of a high short circuit closing operation. Any of the following
observations will warrant performing the Section 6 Test Procedures or the replacement of the
switch. In some cases, switch interior renewal parts can be obtained from the manufacturer to
bring the assembly back to a serviceable condition.
© Copyright 2010 by the National Electrical Manufacturers Association.
Figure 1
Pitting
Figure 2
Heat Damage
KS 3-2010
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