Operation - Graco 206897 Instructions-Parts List Manual

Pressure Relief Procedure
WARNING
PRESSURIZED EQUIPMENT HAZARD
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally. To
reduce the risk of an injury from accidental spray
from the gun, splashing fluid, or moving parts,
follow the Pressure Relief Procedure whenever
you:
D are instructed to relieve the pressure,
D stop spraying,
D check or service any of the system equipment,
D or install or clean the spray tip/nozzle.
1. Lock the gun/valve trigger safety.
2. Close the pump air regulator.
3. Close the master bleed-type air valve (required in
your system).

Operation

4. Unlock the gun/valve trigger safety.
5. Hold a metal part of the gun/valve firmly to a
grounded metal waste container and trigger to
relieve the fluid pressure.
6. Lock the gun/valve trigger safety.
7. Open the pump drain valve (required in your
system), having a container ready to catch the
drainage.
8. Leave the drain valve open until you are ready to
spray again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above, slowly loosen the tip
guard retaining nut or hose end coupling and relieve
pressure gradually, then loosen it completely. Then
clear the tip or hose.
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