Change The Tote - Graco SaniForce STU Operation

2. For For Electro-pneumatic For Electro-pneumatic Electro-pneumatic Control
a. Connect pump outlet fittings and hose
(not supplied).
NOTE: NOTE: Be sure all components are NOTE:
adequately sized and pressure rated to
meet the system's requirements.
b. Be sure the pump is set to pause. Set the
ram down air pressure to 10 psi (0.06
MPa, 0.6 bar).
c. Touch ram jog icon and lower the ram
until it just contacts the product.
d. If the ram plate is inside the tote, inflate
the seal.
NOTE: To prevent damage to the seal, NOTE: NOTE:
use the lowest seal pressure that still
allows the seal to contact the inside
surfaces of the tote.
e. Start the pump at the slow (turtle) speed
setting until the pump is primed. If
necessary, adjust the pump pressure.
f. Press the Ram Down icon.
g. Using the pressure settings for the
various functions, fine-tune the
pressures as needed.
NOTE: NOTE: Increase air pressure to the ram if NOTE:
the pump does not prime properly with
heavier fluids. Decrease air pressure
if material is forced out around the
inflatable seal.
Change the the Tote Tote
Change Change the Tote
Excessive air pressure in the tote could cause
the tote to rupture, resulting in serious injury.
The ram must be free to move out of the tote.
Never use blowoff air while the ram seal is
inflated.
1. Operate the pump speed selector to Off.
2. Raise the ram out of the tote:
a. Operate the seal selector to Deflate.
Once the seal is deflated, operate the
seal selector switch to Pause/Off.
b. Raise the ram out of the tote.
NOTE: The blowoff air comes directly NOTE: NOTE:
from the unfiltered facility air supply.
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Control Panel: Control Panel: Panel: c. If the ram raises the tote off of the
ground, press the air assist (blowoff)
button to break the vacuum between the
ram plate and product.
d. If the ram does not raise, increase the
Ram Up Pressure.
e. When the ram plate is free of the tote
and the ram reaches its full height,
operate the ram selector to the Ram Hold
position.
3. Remove the empty tote.
To reduce the risk of injury, including
pinching fingers, while cleaning material
from the ram plate, relieve pump pressure
before using tools to clean. Follow the
Pressure Relief Procedure, page
4. Inspect the ram plate and, if necessary,
remove any remaining material or material
build-up.
a. If used, open all user-supplied system
fluid drain valves that are downstream
of the pumps.
b. Use a tool to remove material build-up.
5. To empty another tote, perform the steps of
Loading the Tote, page
Operation
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