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Pressure Relief Procedure
PressurePressure
Pressure
ReliefRelief
Relief
ProcedureProcedure
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 uid, such as splashing
uid, follow the Pressure Relief Procedure when
instructed.
1. Turn the pot pressure regulator (PR) off.
2. Close the abrasive ball valve.
3. Turn the compressor off and close the inlet
ball valve. Close the compressor supply air
valve. Engage the blast control switch to relieve
pressure in the system. Then disconnect the air
inlet hose from the system.
4. Turn the selector valve (SL) to FILL.
5. Open the dump valve.
6. Verify that the pot pressure gauge (PG) displays
zero pressure.
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