Graco Mark IV Manual De Usuario
Pressure Relief Procedure
332916C
13
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
you see this symbol.
1.
Turn power OFF. Wait 7 seconds for power to
dissipate.
dissipate.
2.
Engage trigger lock.
3.
Remove guard and SwitchTip.
4.
Turn pressure to lowest setting. Trigger gun to
relieve pressure.
relieve pressure.
5.
Put drain tube in pail. Turn prime valve down to
DRAIN position. Leave prime valve in DRAIN posi-
tion until you are ready to spray again.
DRAIN position. Leave prime valve in DRAIN posi-
tion until you are ready to spray again.
6.
If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved after follow-
ing the steps above, VERY SLOWLY loosen tip
guard retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Clear
hose or tip obstruction.
that pressure has not been fully relieved after follow-
ing the steps above, VERY SLOWLY loosen tip
guard retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Clear
hose or tip obstruction.
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.
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.
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