Graco Fluid Automation 633, Operation

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Setup
332078C 37
is facing sideways or even slightly up to remove
all the trapped air.
n. Close the bleed valve when it appears that all of
the air has been purged.
o. Unlock the manual actuator on the color injector
solenoid to return the injector to the proper
state.
p. Cycle the injector.
6.
Connect Feed Station
If installed, refer to the SR657-1M-LR Meter-Mix Dis-
pense Systems-Operation manual for additional details.
a. Prepare the feed station by following all proce-
dures for loading material and priming the
pumps.
b. Connect a feed hose to the material side A of
the feed station. Perform the procedure for
priming the hose of the feed station.
c. Connect the material side A hose to the A side
of the 633 unit.
d. Perform steps a through c for the B side hose
and connections.
Setup
1.
Set the Material Specific Gravity
a. Navigate to the “Calibration Screen” from the
“Main Screen”.
b. Using the specific gravity data from the material
manufacturer, enter the data in the column
labeled “S.G.”.
2.
Prime Pumps and Material Line
Connections
Once the feed system pumps and lines have been
primed and connected to the metering unit, it is time to
prime the metering unit pumps and material supply
lines.
Purging through each hose individually.
a. Put the machine into “Manual Mode“ and empty
the unit by pressing the “Manual Feed” button.
b. Perform Pressure Relief Procedure , page 42.
c. Disconnect material line A from the Outlet Valve
on the dispense manifold. Place a waste con-
tainer under the line to collect material that will
be pumped through it.
NOTE: Failure to prime pumps and hoses will result in
air entrapment in the material and will produce bad
products.
d. Turn the feed pumps on and set the air pressure
to 10 psi (70 kPa, 0.7 bar). Adjust pressure as
needed.
NOTICE
Failure to unlock the manual actuator will cause the
injector not to refill and color will not be dispensed.
Bleed Valve