Operation; Pressure Relief Procedure; Flush The Equipment - Graco Reactor E-20 Series Operation Manual

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. Relieve pressure in gun and perform gun shutdown
procedure. See gun manual.
2. Close gun fluid manifold valves A and B.
3. Shut off feed pumps and agitator, if used.
4. Turn PRESSURE RELIEF/SPRAY valves (SA, SB)
to PRESSURE RELIEF/CIRCULATION
Route fluid to waste containers or supply tanks.
Ensure gauges drop to 0.
SA
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5. Engage gun piston safety lock.
6. Disconnect gun air line and remove gun fluid

Flush the Equipment

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:
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SB
manifold.
Flush equipment only in a well-ventilated area
Ensure main power is off and heater is cool before
flushing
Do not turn on heater until fluid lines are clear of
solvent
Flush out old fluid with new fluid, or flush out old
fluid with a compatible solvent before introducing
new fluid.
Use the lowest possible pressure when flushing.
All fluid components are compatible with common
solvents. Use only moisture-free solvents.
Operation
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