Operation
Shutdown and Care of the Pump
For overnight shutdown, stop the pump at the bottom of the 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. Refer to Flushing below.
Flushing
WARNING
FIRE AND EXPLOSION HAZARD Before operating the pump, read the section FIRE AND EXPLOSION HAZ- ARD on page 4. Be sure the entire system and flushing pails are properly grounded. Refer to Grounding on page 6.
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. Always flush the pump before fluid dries on the dis- placement rod.
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.
1.Relieve the pressure.
2.Remove the spray tip/nozzle from the gun/valve.
3.Hold a metal part of the gun/valve firmly to the side of a grounded metal pail.
4.Start the pump. Always use the lowest possible fluid pressure when flushing.
5.Trigger the gun/valve.
6.Flush the system until clear solvent flows from the gun/valve.
7.Relieve the pressure.
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