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8 308–333
Operation
Never allow the pump to run dry of the fluid being
pumped. A dry pump will quickly accelerate to a high
speed, possibly damaging itself. If your pump acceler
-
ates quickly
, or is running too fast, stop it immediately
and check the fluid supply
. If the supply container is
empty and air has been pumped into the lines, refill the
supply container and prime the pump and lines with
fluid, being sure to eliminate all air from the fluid sys
-
tem, or flush the pump as described in
Shutdown and
Care
at right.
Shutdown and Care
WARNING
To
reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 7.
Always
relieve the pressure
whenever you shut of
f
the pump. Stop the pump at the bottom of its stroke to
keep fluid from drying on the exposed displacement
rod and damaging the throat packings.
Always flush the pump with a compatible solvent
before the fluid can dry on the displacement rod and at
the end of each day
.
Relieve the pressure
after
flushing.
Fig. 3
02823
10a 10b
16
6
34
33
21