Masdaf NMM Series, Руководство по эксплуатации

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NMM Series
11
8.2. Service
Our Customer Service Department offers after-sale
service. Manager should employ authorized and trained
personnel for mounting/dismounting procedures.
Before these procedures, one must make sure that
pump interior is clean and empty.
This criterion is also valid for the pumps which are sent
to our factory or to our service points.
Maintain the safety of the personnel and the environ-
ment in every field procedure.
8.3. Spare Parts
The spare parts of NM type pumps are guaranteed for
10 YEARS by MAS DAF MAKINA SANAYI A.Ş.
In your spare parts requests, please indicate the below
listed values that are indicated on your pump’s label.
Pump type and size:
Motor power and speed:
Pump serial number:
Capacity and head:
If you wish to keep spare parts in store, depending on
the number of same type of pumps, for two operation
years, the quantities which are listed in the table below
are recommended.
Table 1: Spare Part List
9. NOISE LEVEL AND VIBRATION
The reasons which increase the noise level are
indicated below:
• Touch of coupling halves due to worn rubber sleeves
(incorrectly aligned)
• Noise level increases due to the fact that the pump is
not founded properly (Vibration)
• If the installation does not have compensator noise
and vibration increases.
• Wearing in ball bearing also increases noise level.
Check if there is any noise increasing elements in
your installation.
9.1. Expected Noıse Values
Measurement conditions:
• The distance between the measure
point and the pump : 1m
• Operation : Without Cavitation
• Motor : IEC Standard Motor
• Tolerance : ±3 dB
Table 2: Sound Pressure Level
(*) Without protective sound hood, measured at a
distance of 1 m directly above the driven pump, in a free
space above a sound reflecting surface.
The above values are maximum values. The surface
noise pressure level at dB(A) unit is shown as (L
pA
). This
complies withTS EN ISO 20361.
10. DISASSEMBLY, REPAIR AND REASSEMBLY
Before starting work on the pump set, make sure it is
disconnected from the mains and can not be switched
on accidentally.
Fallow the safety precautions outlined in “Safety
instructions”.
Component Name
The Number of Equivalent Pumps
in the Installation
Shaft (Wedge included) (quantity)
İmpeller (quantity)
Mechanical Seal
Wear Ring
1-2 3 4 5
1 1 2 2
1 1 1 2
1 2 2 3
1 1 1 2
6-7
2
2
3
2
8-9
3
3
4
3
10+
%30
%30
%50
%50
Sound Pressure Level [dB] *
Pumpwith Motor
1450 rpm/min 2900 rpm/min
Power of
Motor
PN [kW]
0,25
0,37
0,55
0,75
1,1
1,5
2,2
3,0
4,0
5,5
7,5
11,0
15,0
18,5
22,0
30,0
37,0
53,0
54,0
55,0
56,0
57,0
58,0
59,0
60,0
61,0
62,0
64,0
65,0
67,0
68,0
69,0
70,0
71,0
-
-
-
66,0
66,0
67,0
67,0
68,0
68,0
70,0
71,0
73,0
74,0
75,0
76,0
77,0
78,0