Piusi MA Série Mode D'emploi page 63

WARNING
B2. Remove any deposits on the internal surfaces with a damp cloth.
B3. Disassemble the two pump casings by removing the fixing screws.
B4. Remove the external diaphragm locking cap from both circuits.
B5. Check and/or replace the diaphragms on both sides of the pump with original
spare parts of the same type.
CAUTION
B6. Reassemble the pump following the disassembly sequence described earlier in
reverse order. Tighten the fixing bolts evenly.
WARNING
Replacing the diaphragms finishes here. You can now reposition the pump and
reconnect it as described in the previous sections.
Q AIR CIRCUIT MAINTENANCE
WARNING
A. discharge the product being pumped and close the product on-off valves (both
on the intake and delivery sides).
B. Circulate a suitable non-flammable washing fluid then drain it off and close the
product shut-off valve.
C. Shut-off the air supply using the relevant three-way valve whilst making sure that
no residual pressure subsists.
D. Shut-off air supply upstream;
E. Wear suitable individual protective devices before intervening: goggles/masks,
gloves, closed shoes, aprons, and others): DANGER OF FLUID EJECTION UNDER
PRESSURE.
periodic controls must be made to ensure that
there are no deposits of powder on the internal
surfaces and, if necessary, they must be cleaned
with a damp cloth.
ascertain that the inner part of the pump is free from
all types of deposits,and if they are present proceed
with their removal.
Should the pump be returned to the manufacturer or
to a service center, you must first empty it out com-
pletely. If toxic, noxious or other types of dangerous
products have been used, the pump must be suitably
treated and washed before it is sent.
B5
before intervening on the pump and/or performing
any maintenance or repair, you must:
B6
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EN