Operation; Pressure Relief Procedure - Graco EcoQuip 2 EQs Series Instructions Manual

Operation

This equipment may introduce dust and debris into
the air. To help prevent serious injury from flying
debris, always wear personal protective equipment
while operating the equipment.

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 splashing fluid, follow the
Pressure Relief Procedure when instructed.
1. Close the abrasive ball valve (M).
NOTE: If the abrasive ball valve is not closed when the
supply air is shut off, gravity will cause abrasive media
and water to drain from the pot (E) into the blast hose
(C).
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2. Close the compressor supply air valve, then turn the
compressor off.
3. Engage the emergency stop (Q).
4. Engage the blast control switch (B) to relieve
pressure in the system.
3A7467D
5. Verify that the supply pressure gauge (ZC) reads 0
psi. Then disconnect the air inlet hose from the
system.
6. Turn the selector valve (W) to BLAST.
7. Open the pot dump valve (J) until the pot pressure
gauge (L) reads 0 psi.
8. Close the pot dump valve (J), Turn the selector
valve (W) to OFF.
Operation
L
J
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