Environmental Requirements - ABB MT Series Instructions Manual
Induction motor
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Also See for MT Series:
- Installation, operation & maintenance manual (160 pages) ,
- Manual (48 pages) ,
- Installation and maintenance instruction (8 pages)
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Lubricants
When regreasing, use only special ball bearing grease
with the following properties:
- good quality grease with lithium complex soap and with
mineral- or PAO-oil
- base oil viscosity 100-150 cST at 40°C
- consistency NLGI grade 2 or 3
- temperature range -30°C - +120°C, continuously.
Grease with the correct properties is available from all
the major lubricant manufacturers.
The following (or similar) high performance grease can
be used
•
EssoUnirex
N2 or N3
•
Shell
Albida EMS 2
•
SKF
LGHQ 3
•
Mobil
Mobilith SHC 100
•
Klüber
Kluberplex BEM 41-132
•
BP
Energrease LC2
The following normal type of grease can be used if the
regreasing interval is halved (these types of grease
should not be used when bearing temperature is above
100°C)
•
Esso
Beacon 2 or 3
•
Shell
Alvania RL2 or RL3
•
SKF
LGMT 2 or 3
•
Mobil
Mobilux 2
•
Kluber
Centoplex 2
•
BP
Energrease LS2
If the make of grease is changed and compatibility is
uncertain, consult ABB Sales Office.
Highly loaded and/or slowly rotating bearings require EP-
grease.
If the ambient temperature is below -25°C or above
+55°C, or bearing temperature is above 110°C, consult
ABB Sales Office regarding suitable grease.
NOTE!
Always use high speed grease for high speed machines
and some other models, e.g. M2/M3_ 355 and 400 2-
pole machines, where the speed factor is higher than
400 000 (calculated as Dm x n where Dm = average
bearing diameter, mm ; n = rotational speed, rpm). The
following, or similar, types of grease can be used:
•
Kluber
Asonic GHY 72
•
Kluber
Asonic HQ 72-102
•
Shell
Albida EMS 2
•
Esso
LT2
•
Mobil
Mobilith SHC 100
WARNING
Grease can cause skin irritation and eye
inflammation.
Follow all safety precautions specified by the
manufacturer.
Spare parts
When ordering spare parts, the full type designation and
product code, as stated on the rating plate, must be
specified.
If the machine is stamped with a serial manufacturing
number, this should also be given.
LV Motors/Machine Instructions 10-2000
Environmental requirements
Noise levels
Smaller machines have a sound pressure level not
exceeding 70 dB(A).
The following table shows catalogue values of sound
pressure levels at 1 m from the machines surface.
Frame
Guideline sound pressure level, dB(A)
size
2 pole
4 pole
132
69
59
160
69
62
180
69
62
200
72
63
225
74
66
250
75
67
280
77
68
315
80
71
355
83
80
400
83
80
Values for specific machines can be found in the
relevant product catalogues. Tolerance ± 3 dB(A).
The table values refer to 50 Hz sinusoidal supply
conditions.
For 60 Hz sinusoidal supply, add 4 dB(A) to the above
values.
For sound pressure levels with non-sinusoidal supplies,
contact ABB Sales Office.
Sound pressure levels for all machines in the above
frame sizes having separate cooling systems and for
series M2F*/M3F*, M2L*/M3L*, and M2R*/M3R*, are
indicated in separate Machine Instructions.
Rewinding
Rewinding should always be carried out by qualified
repair shops.
Smoke venting and other special motors should not be
rewound without first contacting ABB Motors.
6 pole
8 pole
61
56
59
59
59
59
63
60
63
63
63
63
66
65
68
72
75
75
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7
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