Patent ID: 9551116
Date: 2017-01-24
CPC Classifications: B05B,B08B,C10C,E01C

Claim:
1. A method for maintaining an apparatus for producing foamed bitumen for a road construction machine, the apparatus comprising at least one mixing device having a reaction chamber in which hot bitumen and at least one reaction fluid are mixed together via an inlet device and are discharged from the mixing device via an outlet device; and at least one compressed-air device via which the inlet device and/or the outlet device is subjected to a compressed-air stream for testing purposes, comprising the following steps of a testing process: supplying the inlet device and/or the outlet device with a compressed-air stream; detecting a pressure curve of the compressed-air stream in the inlet device and/or the outlet device; and comparing the detected pressure curve with a predetermined reference pressure curve, with a deviation of the pressure curve from the reference pressure curve indicating a malfunction of the inlet device and/or the outlet device.