Maintenance
Maintenance
Maintenance
Lubrication
Lubrication
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
Cleaning
Cleaning the
the
the Ram
Ram
Ram Plate
Plate
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 the Safety Latch, page 16
.
3.
On the control panel, make sure the 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.
Cleaning
Cleaning
Cleaning the
the
the Pump
Pump
Pump Lower
Lower
Lower
NOTE:
NOTE:
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. See
.
2.
Perform
Pressure Relief Procedure, page 24
3.
Lower the ram so that the ram plate is at its
lowest point.
4.
If desired, flush the pump.
5.
Refer to the pump manual for instructions on how
to disconnect the air motor from the pump lower.
6.
Remove the piping attached to the pump outlet
to connection fitting (1-F) for cleaning.
7.
Remove the clamp at the large flange connection
where the ram plate attaches to the pump lower.
8.
Lift the pump, or pump lower out of the ram plate
for cleaning.
9.
If more than flushing of the pump is necessary,
follow the steps in the pump manual for cleaning
the pump lower unit.
10. Clean the ram plate.
See
Cleaning the Ram Plate, page 29
11. Once all ram plate and pump lower parts have
been cleaned, install the seal on the ram plate,
pump lowers, and air motors. Attach all air fittings
and flange clamps.
3A5416E
29
