situation
An electric motor manufacturer was facing a problem with fastener loosening on the housing end bells that was increasing warranty motor replacement costs and lowering the brand value.
Conventional methods and drawbacks
Lock washers were being used with bolts but they continued to loosen from vibration of the cooling equipment, which led to motor damage due to end bell loosening requiring replacement under warranty.
loctite solution
LOCTITE 243 is applied to the fastener and threaded into the motor housing.