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GQ, GX, GM Rev. 5 - Operating Instructions
GB
8.3. Dismantling the pump
For disassembly and reassembly, refer to the cross-
section drawing (paragraph 12.3 Annexes).
The pump function can be impaired by erroneous
procedure or tampering with internal parts.
For GQR, GQN, GQS, GQV
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 screws (15.70 GQR)
or strainer (15.50 GQR), the screws (14.24) pump
casing (14.00).
To dismantle the impeller remove the nut (28.04).
Others parts should not be dismantled.
For GQG
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 (28.04), the
grinder system (12.60), the screws (12.20), the cover
(12.00). To dismantle the impeller to use the
threaded holes.
For GXC, GXV, GMC, GMV.
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 (GX) or the
screws (GM) (12.20) and casing cover (12.00).
To dismantle the impeller remove the nut (28.04).
Use the threaded dismantling holes to remove the
GMV
impeller.
8.4. 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 pressure in
the oil chamber.
Care must be taken to avoid a sudden spurting
of oil.
For GQ.., GX...
Once the plug (34.08) with washer have been removed,
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 and 14.24).
For GM...
Once the plug (14.46) with washer (14.47) have been
removed, 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 impeller key (28.20), the screws (14.24)
and the pump casing (14.00).
When re-filling with fresh oil, remember that the
chamber must not be completely filled; a sufficient
quantity of air must remain inside it in 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 for
GQ.., GX...
0,5
litres for
GM...
Use white oil suitable for food machinery and
pharmaceutic use.
For the
GMC, GMV
pumps a normal engine oil of the
SAE 10W-30 type can also be used.
9. DISPOSAL
European Directive
2012/19/EU (WEEE)
The final disposal of the device must be done by spe-
cialized company.
Make sure the specialized company follows the clas-
sification of the material parts for the separation.
Observe the local regulations and dispose the device
accordingly with the international rules for environ-
ment protection.
10 SPARE PARTS
10.1 Spare-parts request
When ordering spare parts, please quote their desi-
gnation, position number in the cross section drawing
and rated data from the pump name plate (type, date
and serial number).
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.
The spare parts request shall be sent to CALPEDA
S.p.A. by phone, fax, e-mail.
Nr. Designation
OFF
OFF
12.00 Casing cover
12.20 Screw
12.21 Nut
12.33 Screw
12.50 Fixed cutting blade
12.52 Screw
12.60 Rotating cutting blade
14.00 Pump casing
14.14 O-ring
14.15 Plug
14.20 Casing gasket
14.22 Fastening ring
14.24 Screw
14.46 Plug
14.47 Gasket
14.80 Air release plug
15.50 Strainer
15.70 Screw
28.00 Impeller
28.04 Impeller nut
28.08 Washer
28.20 Impeller key
34.03 Oil chamber cover
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
40.00 Radial shaft seal
64.08 Shaft sleeve
64.12 O-ring
70.00 Motor cover, pump
side
70.05 O-ring
70.08 O-ring
70.09 O-ring
70.10 O-ring
70.11 Cable gland ring (float
switch)
70.12 Cable gland ring
70.13 Washer
70.16 Cable gland
70.17 Lock ring
70.20 Screw
70.23 O-ring (float switch)
70.32 Washer (float switch)
70.33 Cable gland (float switch)
70.34 Lock ring (float switch)
73.00 Pump side bearing
73.04 Circlip
73.05 Screw
73.08 V-Ring
76.00 Motor casing with win-
ding
76.01 Motor jacket with win-
ding (1)
76.02 Kit, motor jacket
76.04 Cable gland
76.60 Float switch
76.62 Jacket cover
76.63 Screw
76.64 Handle
76.65 Handle clamp
76.66 Washer
78.00 Shaft with rotor packet
78.12 O-ring
81.00 Bearing
82.01 Motor end-shield, non-
drive end (1)
82.02 Screw
82.03 O-ring
82.04 Compensating spring
82.05 Screw (1)
82.30 Plug
94.00 Capacitor
94.02 Cable with plug
94.04 Capacitor collar
96.00 Cable
96.02 Cable with plug
96.07 Cable fastener
96.08 Clamp
96.09 Screw
96.10 Nut
96.12 Cable fastener
96.13 Cable fastener
(1) Cannot be supplied separately
(2) Oil
(3) Grease
IST GQ_GX_GM_07_2018R5_MXS 11_03con gall 09/07/18 09:06 Pagina 14
