Repair
Repair
Repair
Repair
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
manually relieved. To help prevent serious injury
from pressurized fluid, such as splashing fluid,
follow the Pressure Relief Procedure when you
stop dispensing and before cleaning, checking, or
servicing the equipment.
1.
1.
1.
Turn
Turn
Turn off
off
off the
the
the pump
pump
pump and
and
and disconnect
disconnect
disconnect power
power
power to
to
to the
the
the
system.
system.
system.
2.
2.
2.
Close
Close
Close the
the
the master
master
master air
air
air valve
valve
valve (J)
(J)
(J) to
to
to shut
shut
shut off
off
off the
the
the air
air
air
to
to
to the
the
the pump.
pump.
pump.
3.
3.
3.
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.
4.
4.
4.
Close
Close
Close the
the
the pump
pump
pump air
air
air inlet
inlet
inlet valve
valve
valve (E)
(E)
(E) on
on
on the
the
the
pneumatic
pneumatic
pneumatic enclosure.
enclosure.
enclosure.
5.
5.
5.
Units
Units
Units with
with
with a
a
a compressor:
compressor:
compressor: Cycle
Cycle
Cycle the
the
the valve
valve
valve to
to
to
bleed
bleed
bleed any
any
any remaining
remaining
remaining air.
air.
air.
Check
Check
Check Valve
Valve
Valve Repair
Repair
Repair
NOTE:
NOTE:
NOTE: Kits are available for new check valve balls,
diaphragms, and manifold o-rings in a range of
materials. A seat and manifold o-ring kit is also
available.
NOTE:
NOTE:
NOTE: To ensure proper seating of the check balls,
always inspect the seats when replacing the balls.
Replace seats as necessary if seating surface shows
evidence of wear.
Disassemble
Disassemble
Disassemble the
the
the Check
Check
Check Valves
Valves
Valves
1.
1.
1.
Follow
Follow
Follow the
the
the
Pressure
Pressure
Pressure Relief
Relief
Relief Procedure,
Procedure,
Procedure, page
page
page 12
12
12
...
Remove
Remove
Remove power
power
power from
from
from the
the
the motor.
motor.
motor. Disconnect
Disconnect
Disconnect all
all
all
fluid
fluid
fluid and
and
and air
air
air lines.
lines.
lines.
2.
2.
2.
Remove
Remove
Remove the
the
the manifold
manifold
manifold clamps
clamps
clamps (6),
(6),
(6), then
then
then remove
remove
remove
the
the
the outlet
outlet
outlet manifold
manifold
manifold (3).
(3).
(3).
3.
3.
3.
Remove
Remove
Remove the
the
the ball
ball
ball check
check
check assemblies:
assemblies:
assemblies:
a.
a.
a.
On
On
On the
the
the 1040FG,
1040FG,
1040FG, remove
remove
remove the
the
the o-rings
o-rings
o-rings (9),
(9),
(9),
seats
seats
seats (7),
(7),
(7), and
and
and balls
balls
balls (8).
(8).
(8).
b.
b.
b.
On
On
On the
the
the 1040HS
1040HS
1040HS and
and
and 1040PH,
1040PH,
1040PH, remove
remove
remove the
the
the
ball
ball
ball stops
stops
stops (8),
(8),
(8), gaskets
gaskets
gaskets (9),
(9),
(9), and
and
and balls
balls
balls (8).
(8).
(8).
4.
4.
4.
Repeat
Repeat
Repeat for
for
for the
the
the inlet
inlet
inlet manifold
manifold
manifold (4),
(4),
(4), o-rings
o-rings
o-rings (9),
(9),
(9),
seats
seats
seats (7),
(7),
(7), and
and
and balls
balls
balls (8).
(8).
(8).
5.
5.
5.
To
To
To continue
continue
continue disassembly,
disassembly,
disassembly, see
see
see
Disassemble
Disassemble
Disassemble the
the
the Diaphragms
Diaphragms
Diaphragms,,, page
page
page 14
14
14
...
Reassemble
Reassemble
Reassemble the
the
the Check
Check
Check Valves
Valves
Valves
1.
1.
1.
Clean
Clean
Clean all
all
all parts
parts
parts and
and
and inspect
inspect
inspect for
for
for wear
wear
wear or
or
or damage.
damage.
damage.
Replace
Replace
Replace parts
parts
parts as
as
as needed.
needed.
needed.
2.
2.
2.
Reassemble
Reassemble
Reassemble in
in
in the
the
the reverse
reverse
reverse order,
order,
order, following
following
following all
all
all
notes
notes
notes in
in
in the
the
the illustration.
illustration.
illustration. Put
Put
Put the
the
the inlet
inlet
inlet manifold
manifold
manifold on
on
on
first.
first.
first. Be
Be
Be sure
sure
sure the
the
the ball
ball
ball checks
checks
checks (7–9)
(7–9)
(7–9) and
and
and manifolds
manifolds
manifolds
(3,
(3,
(3, 4)
4)
4) are
are
are assembled
assembled
assembled exactly
exactly
exactly as
as
as shown.
shown.
shown. The
The
The
arrows
arrows
arrows on
on
on the
the
the fluid
fluid
fluid covers
covers
covers (2)
(2)
(2) must
must
must point
point
point toward
toward
toward
the
the
the outlet
outlet
outlet manifold
manifold
manifold (3).
(3).
(3).
12
3A3168R
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