ACCUMULATOR CHARGING (CONT)
(Sheet 4 of 4)
Close. Check adjusted pressure on gage (5).
Open and close valve (4) at least two more times to be
Be certain valve is closed.
certain you have charged the accumulator to the cor-
rect adjusted pressure.
Turn counterclockwise to end of travel.
A low nitrogen charge can cause early pump
failure because of short cycle times between
the cut-in and cut-out operations of the accu-
mulator charging valve.