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9.1. Tightening torque
Type
impeller nuts (28.04)
EN
nuts (61.04) on tie-bolts
screws (64.25) in the coupling
screws (70.18) with nuts (70.19)
Type
impeller nuts (28.04)
nuts (61.04) on tie-bolts
screws (61.07) lantern upp. cov
screws (32.74) lantern upp. cov
64.00
screws (32.04) flange for seal
36.00
screws (64.25) in the coupling
Parte
rotante
screws (64.25) in the coupling flange
screws (70.18) with nuts (70.19)
When tightening the nuts (28.04), be careful not to
scratch the shaft with the second wrench used on the
opposite side.
Fig.5 Montaggio tenuta meccanica
ATTENTION: the nuts (61.04) on the tie-bolts
(61.02), the screws (61.07) on the upper cover
and the screws (70.18) with the nuts (70.19) on
the lantern bracket must be uniformly tightened
with alternated crossover tightening procedure
in diametrically opposite positions.
(*)
Fig. 6a
Rotor rested, with shaft not
Fig. 6a
locked in the coupling.
Rotore appoggiato
albero non bloccato
(*) Pin for raising the shaft.
nel giunto. (*) Spina per
sollevamento albero
64.22
64.25
64.00
Fig. 6c
9.2. Axial position of the pump rotor MXV(L),
MXV(L)4
In the vertical position and from the resting position
(fig.6a), raise the rotor, levering on a pin inserted in the
hole in the shaft, until the pin can be rested under the
coupling (64.22).
In this position (fig. 6b), by tightening the screws
(64.25) uniformly, the shaft (64.00) is locked tight in
the coupling.
Remove the pin.
Page 22 / 136
MXV-B
MXV...
25-32-40-50
25-32-40
8 Nm
8 Nm
50 Nm
50 Nm
-
22 Nm
-
40 Nm
MXV...
MXV...
50
65-80
30 Nm
35 Nm
50 Nm
50 Nm
-
60 Nm
25 Nm
-
4 Nm
-
40 Nm
50 Nm
40 Nm
50 Nm
40 Nm
40 Nm
4.93.226/1
4.93.226/2
64.22
64.25
64.00
Fig. 6b
Rotor raised, position for locking
Fig. 6b
the shaft in the coupling.
Rotore sollevato,
posizione di
bloccaggio
albero nel giunto
64.34
Only for MXV 50, in the vertical position from the
resting position screw up the screws (64.25) without
blocking the shaft (64.00), so screw up the screw
(64.34) (fig.6c) in the coupling (64.22) until the screw
is supported. In this position, by tightening the screws
(64.25) uniformly, the shaft (64.00) is locked tight in
the coupling.
Mount the motor as indicated in section 6.5..
10. DISPOSAL
OFF
The final disposal of the device must be done by
specialized company.
Make sure the specialized company follows the
36.00
classification of the material parts for the separation.
Parte
Observe the local regulations and dispose the device
fissa
accordingly with the international rules for environment
34.02
protection.
14.20
11. SPARE PARTS
36.52
11.1.
Spare-parts request
When ordering spare parts, please quote their
14.02
designation, position number in the cross section
drawing and rated data from the pump name plate
(type, date and serial number).
The spare parts request shall be sent to CALPEDA
S.p.A. by phone, fax, e-mail.
12. ESIGNATION OF PARTS
Nr.
Designation
13.60 Flange with adapter
14.02 External jacket
14.06 O-ring
14.16 O-ring
14.18 O-ring
14.20 O-ring
14.54 Wear ring (1)
25.02 Stage casing
25.03 Stage casing with bearing
25.05 Last stage casing
28.04 Impeller nut
32.00 Lantern bracket
32.30 Guard
32.32 Screw
32.74 Screw
32.80 Screw
34.02 Upper cover
36.51 Retaining ring, split
42.00 Cover plate for seal
42.10 Sleeve
42.14 Washer
42.18 O-ring
61.02 Tie-bolt
61.04 Nut
61.30 Support foot
61.34 Washer
64.00 Shaft
64.13 Upper spacer sleeve 64.14 Lower spacer sleeve
64.15 Spacer sleeve
64.18 bearing spacer sleeve (upper)
64.19 bearing spacer sleeve (lower)
64.22 Coupling
64.28 Pump Side Coupling 64.30 Motor Side Coupling
64.32 Screw
66.00 Ball bearing
66.19 Shoulder ring (3)
70.19 Nut
(1) Inserted in the stage casing (cannot be supplied separately)
(2) See section 15.
(3) Only for motor size 132
Changes reserved.
MXV, MXV-B Rev7 - Operating Instructions
European Directive
2012/19/EU (WEEE)
14.00 Pump casing
14.04 Plug with washer
14.12 Plug with washer
14.17 Screw
14.19 O-ring
14.42 Plug with washer
25.01 First stage casing
28.00 Impeller
28.08 Washer
32.24 Parallel pin
32.31 Washer
32.70 Flange
32.78 Clamp
34.01 Lower cover
36.00 Mechanical seal
36.52 Shoulder ring
42.04 O-ring for cover plate
42.12 Screws
42.16 Plug
61.00 Base
61.03 Washer
61.07 Screw
61.32 Screw
61.36 Nut
64.10 Bearing sleeve
64.25 Screw
64.34 Screw
66.18 Circlip
70.18 Screw
99.00 Motor, complete
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