NHTSA recall 14V035000
Electrical system
Schwing S39SX and 3 more
Reported Feb 4, 2014127 vehicles affectedSchwing America, Inc.
The defect
Schwing America, Inc. (Schwing) is recalling certain model year 2012-2013 S39SX, S43SX, S58SX and S61SX concrete pump trucks equipped with Sure Power DC-DC converters containing a particular epoxy sealing, aka 'potting', compound. The specific potting compound used in the subject products for insulation was found to be capable of conducting electricity after being exposed to heat.
The risk
Once electrically conductive, the material is capable of melting and burning, increasing the risk of a fire.
The remedy
Schwing America, Inc. will notify owners, and will replace the converters, free of charge. The recall began on March 20, 2014. Owners may contact Schwing at 1-888-724-9464.