Pressure Relief Procedure - Graco GX-7A Instructions Manual

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 or splashing
fluid, follow the Pressure Relief Procedure when you
stop spraying and before cleaning, checking, or
servicing the equipment.
1. Close both manual valves (C).
C
2. Set the safety lock (H) to OPEN.
H
Red Band
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3. Trigger the gun once onto waste area to relieve fluid
pressure in front end of the gun.
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311321V
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OPEN
Red band exposed to
spray.
4. Set the safety lock (H) to CLOSED (SERVICE).
H
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5. Disconnect the gun air supply.
NOTE: If the gun is removed from the coupling block (J),
follow Clean Spray Gun, page 24.
NOTE: After the pressure in the spray gun is relieved,
the fluid in the hose and proportioner remains under
pressure. Follow the Pressure Relief Procedure in
your proportioner manual to relieve pressure in the
system.
Operation
CLOSED (SERVICE)
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