Graco LRT PD44, Setup And Operation

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Dispensing Operation
313877G 13
Dispensing Operation
NOTE: See HMI Operation on page 14 for detailed HMI
instructions.
The foot switch, the “Start” button, and the optional Cus-
tomer Start Signal can be used to initiate shots. These
are referred to as start devices.
Perform a Shot
1. On Micrometer and LRT PD44s, navigate to the
Posidot Control screen.
On Motor Driven PD44s, navigate to the Metering
Valve Control screen.
2. Under Posidot Mode, press the Retract button.
3. Press the Shot button to select Shot Mode.
4. Press and release the start device to perform one
shot.
Dispense Continuously
The valve dispenses continuously until the end of the
stroke is reached.
1. On Micrometer and LRT PD44s, navigate to the
Posidot Control screen.
On Motor Driven PD44s, navigate to the Metering
Valve Control screen.
2. Under Posidot Mode, press the Retract button.
3. Press the Continuous button.
4. On Micrometer and LRT PD44s, press and
release the start device. Under Posidot Mode, press
the Retract button to stop dispensing and retract the
metering rods.
On Motor Driven PD44s, press and hold the start
device to dispense continuously. Release the start
device to stop dispensing and retract the metering
rods.
Retract Piston
1. On Micrometer and LRT PD44s, navigate to the
Posidot Control screen.
On Motor Driven PD44s, navigate to the Metering
Valve Control screen.
2. Under Posidot Mode, press the Retract button.
Extend Piston
1. On Micrometer and LRT PD44s, navigate to the
Posidot Control screen.
On Motor Driven PD44s, navigate to the Metering
Valve Control screen.
2. Under Posidot Mode, press the Extend button.