Adjusting The Shot Size - Graco Pneumatic PD44 Instructions Manual

Adjusting the Shot Size

Adjusting the Shot Size
Follow these instructions to adjust the shot size of your
machine. Repeat this procedure every time an adjust-
ment is required.
1. Set Pump Mode switch to EXTEND. The metering
rods will extend down and stop.
2. Turn counterclockwise the shot size locking ring to
loosen.
3. Turn the shot size adjuster to the desired shot size.
4. Turn the Pump Mode switch to SHOT. The drive pis-
ton and metering rods will retract.
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5. Turn clockwise the shot size locking ring to tighten.
NOTE: If the LED on the Extend Proximity switch is illu-
minated, skip the following step. See the following image
for Extend Proximity switch location.
Extend Proximity
Switch
6. If LED on the Extend Proximity switch is not illu-
minated, slide the proximity switch until the LED on
the proximity switch is illuminated.
NOTE: The lower proximity switch (RETRACT proximity
switch (PX-RET) is factory preset and does not need to
be adjusted. If the lower proximity switch is changed
from the factory setting, see the assembly drawings for
more information on readjustment. This switch is
marked with a RET tag on the wire.
313904B