Operation
Pressure
Pressure
Pressure Relief
Relief
Relief Procedure
Procedure
Procedure
Follow the Pressure Relief Procedure
whenever you see this symbol.
This equipment stays pressurized until pressure
is relieved manually. To help prevent serious
injury from pressurized fluid, such as splashing
in the eyes or on skin, follow the Pressure Relief
Procedure when you stop pumping and before you
clean, check, or service the equipment.
1.
1.
1.
Stop
Stop
Stop the
the
the VFD
VFD
VFD to
to
to remove
remove
remove power
power
power to
to
to the
the
the motor.
motor.
motor.
2.
2.
2.
Open
Open
Open the
the
the fluid
fluid
fluid drain
drain
drain valve
valve
valve (L),
(L),
(L), to
to
to relieve
relieve
relieve fluid
fluid
fluid
pressure.
pressure.
pressure. Have
Have
Have a
a
a container
container
container ready
ready
ready to
to
to catch
catch
catch the
the
the
drainage.
drainage.
drainage.
3.
3.
3.
Remove
Remove
Remove supply
supply
supply air
air
air to
to
to the
the
the pump:
pump:
pump:
a.
a.
a.
Unit
Unit
Unit without
without
without air
air
air compressor:
compressor:
compressor: Shut
Shut
Shut off
off
off the
the
the
master
master
master air
air
air valve
valve
valve (G).
(G).
(G).
b.
b.
b.
Unit
Unit
Unit with
with
with air
air
air compressor:
compressor:
compressor: Turn
Turn
Turn down
down
down center
center
center
section
section
section regulator
regulator
regulator (R)
(R)
(R) to
to
to zero
zero
zero to
to
to relieve
relieve
relieve air
air
air
pressure
pressure
pressure in
in
in center
center
center section.
section.
section.
Pump
Pump
Pump Shutdown
Shutdown
Shutdown
At the end of the work shift and before you check,
adjust, clean, or repair the system, follow the
Pressure Relief Procedure, page 19
.
3A7036E
19
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