Maintenance; Lubrication; Cleaning The Ram Plate; Cleaning The Pump Lower - Graco Saniforce Operation

Maintenance

Maintenance

Lubrication

The pump is lubricated at the factory. It is designed
to require no further lubrication for the life of the
packings. There is no need to add an inline lubricator
under normal operating conditions.

Cleaning the Ram Plate

To avoid injury, always set manual safety latch to
Engage position when working under the ram plate.
When done using the tote unloader system for the
day, or when cleaning is needed so that a different
product can be pumped, perform the following:
1. Raise the ram plate fully.
2. Engage the safety latch. See
Engaging Safety Latch, page
3. On the control panel, make sure pump is turned
off (middle position). If a downstream valve
or dispenser is used, verify that it is open and
pressure is relieved from the pump.
4. Remove the tote.
5. Remove the seal retainer plate (CC), inflatable
seal (1-N), and corner seals (1-P) from the ram
plate.
6. Remove the blowoff assembly (BB) and clean
with a compatible cleaning fluid.
7. Clean the seals and ram plate with a compatible
cleaning fluid.
8. Install the inflatable seal, corner seals, and seal
retainer plate on the ram plate.
9. Install the blowoff assembly on the ram plate.
28

Cleaning the Pump Lower

.
NOTE: If the installed pumps are double diaphragm,
this procedure does not apply. Refer to your pump
manual for disassembly and cleaning
When done using the STU for the day, or when
cleaning is needed so that a different product can be
pumped, perform the following:
1. Remove the tote.
2. Lower the ram so that the ram plate is at its
3. If desired, flush the pump.
4. Perform
5. Refer to the pump manual for instructions on how
16.
6. Remove the piping attached to the pump outlet
7. Remove the clamp at the large flange connection
8. Lift the pump, or pump lower out of the ram plate
9. If more than flushing of the pump is necessary,
10. Clean the ram plate.
11. Once all ram plate and pump lower parts have
lowest point.
Pressure Relief Procedure, page
to disconnect the air motor from the pump lower.
to connection fitting (1-F) for cleaning.
where the ram plate attaches to the pump lower.
for cleaning.
follow the steps in the pump manual for cleaning
the pump lower unit.
Cleaning the Ram Plate, page
been cleaned, install the seal on the ram plate,
pump lowers, and air motors. Attach all air fittings
and flange clamps.
24.
See
28.
3A5416C