Use pneumatic valve testboard the note

test bed working surface should be clean, clean, subjects of pneumatic valve flange and sealing plate, not allowed to have their sundry, moment check o-ring damage. Test bed parts activity place, want to often come on, keep clean lubrication is used.
, hydraulic oil, replacement should be inspected regularly for new equipment put into use, causing months cleaning tank, replace the new oil, after every other year for cleaning and replacement time, oil amount not less than the lower limit of oil level meter and the tank of the oil temperature cannot exceed ~ C.