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Shutdown and Care of the Pump
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
For overnight shutdown, stop the pump at the bottom
of its stroke to prevent fluid from drying on the ex-
posed displacement rod and damaging the throat
packings. Relieve the pressure.
Always flush the pump before the fluid dries on the
displacement rod. See Flushing below.
Flushing
WARNING
FIRE AND EXPLOSION HAZARD
Before flushing, read the section FIRE,
EXPLOSION, AND ELECTRIC SHOCK
HAZARD on page 4. Be sure the entire
system and flushing pails are properly
grounded. Refer to Grounding on page
5.
Flush the pump:
D Before the first use
D When changing fluids
D Before storing the pump.
Maintenance
Flush with a fluid that is compatible with the fluid you
are pumping and with the wetted parts in your system.
Check with your fluid manufacturer or supplier for
recommended flushing fluids and flushing frequency.
Never leave water or water-base fluid in the pump
overnight. If you are pumping water-base fluid, flush
with water first, then with a rust inhibitor such as
mineral spirits. Relieve the pressure, but leave the
rust inhibitor in the pump to protect the parts from
corrosion.
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
1. Relieve the pressure.
2. Hold a metal part of the gun firmly to the side of a
grounded metal pail.
3. Start the pump. Always use the lowest possible
fluid pressure when flushing.
4. Trigger the gun.
5. Flush the system until clear solvent flows from the
gun.
6. Relieve the pressure.
CAUTION
WARNING
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