Flush cleaning definition
Flush cleaning means the cleaning of an aerospace vehicle or component by passing solvent over, into, or through the vehicle or component. The solvent may simply be poured into the vehicle or component and then drained, or assisted by air or hydraulic pressure, or by pumping. Hand-wipe cleaning operations where wiping, scrubbing, mopping, or other hand action is used are not flush cleaning operations.
Flush cleaning means removal of contaminants, such as dirt, grease, oil, and coatings, from an aerospace vehicle or component or coating equipment by passing solvent over, into, or through the item being cleaned. The solvent may simply be poured into the item being cleaned and then drained, or assisted by air or hydraulic pressure, or by pumping. The term does not include hand wipe cleaning operations where wiping, scrubbing, mopping, or other hand actions are used.