Until recently, when replacement hose needed to be coupled and installed, or contaminated hose had to be cleaned, Masthead's procedure called for flushing the old or new hose with a solvent such as mineral spirits. (Even with a brand new hose, the process of cutting and coupling often lets cutting swarf get into the hose. This swarf must be removed before installation to assure optimum performance of the hydraulic system.) However, the flushing procedure is messy, expensive, and time-consuming. To investigate a different approach, we tried a JCL-2030 Jetcleaner pneumatic tube cleaning gun from Goodway Technologies that uses compressed air at 90-120 PSI, (6-8 BAR) this gun shoots a specially formulated foam projectile through the hose.

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