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Graco 390 - Pressure Relief Procedure; Step 1: Power Off and Wait; Step 2: Engage Trigger Lock; Step 3: Adjust Pressure Control

Graco 390
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Pressure Relief Procedure
2 3A5265A
Pressure Relief Procedure
Follow the Pressure Relief Procedure when-
ever you see this symbol.
1. Turn ON/OFF switch to the OFF position. Wait 7-10
seconds for power to dissipate.
2. Engage the trigger lock.
3. Turn pressure control to the lowest setting. Disen-
gage the trigger lock.
4. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
5. Engage the trigger lock.
6. Turn the prime valve down. Put drain tube in a pail.
Leave prime valve in the down (drain) position until
you are ready to spray again.
This equipment stays pressurized until pressure
is manually relieved. To help prevent serious
injury from pressurized fluid, such as skin injec-
tion, splashed fluid and moving parts, follow the
Pressure Relief Procedure whenever sprayer
is stopped and before sprayer is cleaned or
checked, and before equipment is serviced.
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