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Operation
Operation
Pressure Relief Procedure
Follow the Pressure Relief Procedure
whenever you see this symbol.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing
fluid and moving parts, follow the Pressure Relief
Procedure when you stop spraying and before
cleaning, checking, or servicing the equipment.
1. Shut off the air to the pump.
2. Close the bleed-type master air valve (D).
3. Hold a metal part of the dispense valve firmly to a
grounded metal pail. Trigger the valve to relieve
pressure.
4. Open all fluid drain valves in the system, having a
waste container ready to catch drainage. Leave
drain valve(s) open until you are ready to dispense
again.
5. If you suspect the nozzle or hose is clogged or that
pressure has not been fully relieved after following
the steps above, VERY SLOWLY loosen the hose
end coupling to relieve pressure gradually, then
loosen completely. Clear hose or nozzle
obstruction.
14
Flushing
To avoid fire and explosion, always ground
equipment and waste container. To avoid static
sparking and injury from splashing, always flush at
the lowest possible pressure.
Hot solvent may ignite. To avoid fire and explosion:
•
Flush equipment only in a well-ventilated area
•
Flush at the lowest pressure possible. Check
connectors for leaks and tighten as necessary.
•
Flush with a fluid that is compatible with the fluid
being dispensed and the equipment wetted parts.
1. Follow Pressure Relief Procedure, page 14.
2. Allow the fluid in the system to cool.
3. Remove spray tip and soak in solvent.
4. Place pump fluid inlet in grounded metal pail
containing cleaning fluid.
5. Set pump to lowest possible fluid pressure, and start
pump.
6. Hold a metal part of the gun or dispense valve firmly
to a grounded metal pail. Trigger the gun or
dispense valve until clean solvent dispenses.
7. Remove gun or dispense valve from hose. See gun
manual to further clean gun or dispense valve.
8. Follow Pressure Relief Procedure, page 14, and
Remove fluid filter and soak in solvent. Replace
filter cap.
311882U
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