E-Tech ED 5 Instructions Pour L'utilisation page 8

6. Maintenance
If there is a risk of freezing, take the pump out of
the water and leave in a dry place.
When used with muddy liquids, run the pump briefly
with clean water to remove all deposits immediately
after use or before a period of inactivity.
Check periodically that the relief valve item 14.80
is not clogged by impurities. If required, remove
the screws 14.24 and the fixing ring 14.22.
INSTRUCTIONS FOR SAFETY, HYGIENE AND
HEALTH PROTECTION AT WORK.
Disconnect electrical power before
any servicing operation and make
sure the
accidentally switched on.
The pump may have been immersed in
hazardous substances or products
emanating toxic gases, or may be
located in an environment which is
toxic due to other reasons; make sure
all necessary precautionary measures
are taken to avoid accidents.
Any pumps that require inspection/repair
must be drained and carefully cleaned inside
and outside before dispatch/submission.
Hose down all accessible parts with a jet of water.
7. Dismantling
For disassembly and reassembly, refer to the cross-
section drawing pag. 43.
The pump function can be impaired by erro-
neous procedure or tampering with internal
parts.
To inspect the impeller (28.00), to clean the
internal parts and to check whether the impeller
turns freely when moved by hand, remove the
nuts or the screws (12.20) and casing cover
(12.00).
To dismantle the impeller remove the nut (28.04).
7.1. Mechanical seal inspection
If the mechanical seal (36.00) and the oil chamber
are to be inspected, follow these instructions.
CAUTION: there may be slight pressu-
re in the oil chamber.
Care must be taken to avoid a sudden
spurting of oil.
Once the plug (34.08) with washer have been re-
moved, adjust the hole to the downward position
and empty the chamber completely.
Do not dispose of the waste oil in the enviroment.
The mechanical seal (36.00) can be inspected by
removing the screws (34.12).
When re-filling with fresh oil, remember that the
chamber must not be completely filled;
sufficient quantity of air must remain inside it in
8
pump cannot
order to compensate for overpressure caused by
thermic dilation of the oil.
The quantity of oil to be inserted in the chamber is:
0,08 litres. Use white oil suitable for food
machinery and pharmaceutic use.
8. Spare parts
When ordering spare parts, please quote data
stamped on the name-plate and the position
number of each spare part required in accordance
with the cross section drawing.
Any
inspection/repair must be drained and
carefully cleaned inside and outside
be
before dispatch/submission.
Hose down all accessible parts with a jet of water.
Nr. Designation
12.00 Casing cover
12.21 Nut
14.00 Pump casing
14.22 Fastening ring
14.24 Screw
28.00 Impeller
28.04 Impeller nut
28.08 Washer
28.20 Impeller key
34.04 Wear ring
34.05 Nut
34.08 Plug
34.09 O-ring for plug
34.12 Screw
34.13 O-ring
36.00 Mechanical seal
70.00 Motor cover, pump side
70.05 O-ring
70.08 O-ring
70.09 O-ring
70.10 O-ring
70.12 Cable gland ring
70.13 Washer
70.16 Cable gland
70.17 Lock ring
70.20 Screw
70.23 O-ring
73.00 Pump side bearing
73.08 V-Ring
76.02 Kit, motor jacket
76.04 Cable gland
76.60 Float switch
76.62 Jacket cover
76.64 Handle
78.00 Shaft with rotor packet
78.12 O-ring
81.00 Bearing
82.02 Screw
82.03 O-ring
82.04 Compensating spring
82.05 Screw (1)
82.30 Plug
94.00 Capacitor
96.02 Cable with plug
96.09 Screw
96.12 Cable fastener
96.13 Cable fastener
(1) Cannot be supplied separately
a
Changes reserved.
pumps that require