Sartorius Stedim Biotech 16694-2-50-06 Instrucciones De Manejo página 6

a) Removing pump head
Mark the position of head plate
cover and cover plate
to each other by a drawing line
with a pencil. This helps avoid
incorrect assembly later.
Undo the 4 screws
plate and lift the head plate with
the cover off the pump housing.
Mark the position of intermediate
plate and housing
each other by a drawing line with
a pencil.
Lift the intermediate plate
the housing .
b) Change structured diaphragm
Using a small screwdriver, between
the housing and the outer edge
of the structured diaphragm
carefully lever the edge of the
diaphragm lightly upwards.
Grip the structured diaphragm
on opposite sides, unscrew it about
two turns (anti-clockwise).
Hold the pump with one hand,
so that the head is pointing
downwards. Turn the structured
diaphragm anti-clockwise to
unscrew it.
Take the diaphragm support
and diaphragm spacer(s) k off the
threaded portion of the diaphragm
and retain them.
Check that all parts are free from
dirt and clean them if necessary
(see section 6. Cleaning).
Put the diaphragm support
diaphragm spacer(s)
order, on the threaded portion of
the new structured diaphragm
Screw the new structured
diaphragm , complete with
diaphragm support
diaphragm spacer(s)
connecting rod (clockwise) and
tighten it by hand.
6
c) Changing the valve plates
,
Remove the valve plates
relative
sealing rings
ate plate
cling to the head plate).
Check that the valve seats in the
in the head head plate
plate
distortion are evident on these
parts they should be replaced.
relative to
Lay the new valve plates
recesses in the intermediate plate
pressure sides are identical, as are
off upper and lower sides of the plates.
Check that the valve plates
not deformed by moving them
gently sideways in their recesses.
Lay the new sealing rings
the intermediate plate
,
d) Refitting the pump head
Place the intermediate plate
with valve plates
rings
position indicated by the drawing
line.
Place the head plate
tion indicated by the drawing line.
Check that the head plate
is centred by moving it gently
sideways.
Tighten the screws
diagonally, first gently, then firmly.
• If you have any questions about
servicing call our technical adviser
and
(see last page for contact address).
, in that
.
and
into the
and
from the intermedi-
(sealing rings could
and intermediate
are clean. If scratches or
in the
. The valve plates for suction and
are
on
.
and sealing
on the housing , in the
, with cover
on the housing , in the posi-
, evenly and
6 4 3
Fig. 4: Pump parts
,
Fig. 5: Pump parts
Specification
Housing
Intermediate plate
Head plate
Screw
Cover
Cover plate
Valve plate
Sealing ring
Structured diaphragm
Diaphragm support
Diaphragm spacer(s)
Connecting rod
Eccentric
Counter weight
5