Grundfos MG, Instructions Manual

Page: 7 / 76

English (GB)
7
3. Delivery and handling
3.1 Delivery
Immediately after the receipt, check the motor for external
damage. If this is the case, contact the shipping agent
immediately. Check whether all nameplate data are according to
specifications, especially as regards the voltage and check also
whether the winding has been connected correctly according to
the wiring diagram in the terminal box cover and the nameplate
data.
3.1.1 Unpacking
The motor should not be exposed to unnecessary impact and
shocks.
Remove transport protectors, if any. Turn the shaft by hand to
check that it rotates freely.
3.2 Handling
3.2.1 Lifting the motor
Lift the motor in the eye bolts. Take care not to damage additional
equipment and cables.
The table shows the number of eye bolts and the maximum
permissible weight.
Frame sizes 71 and 80 have no eye bolts.
3.2.2 Storage
Until installation, Grundfos motors should be stored in the
packaging in which they were delivered.
Store the motors in an enclosed, dry and well-ventilated room.
For protection, treat unprotected machine surfaces (shaft ends
and flanges) with a corrosion inhibitor.
Storage temperature
-20 °C to +60 °C.
4. Identification
4.1 Nameplate
The motor has two nameplates:
• nameplate with electrical data (50 and 60 Hz)
• nameplate with mechanical data (irrespective of frequency).
The nameplates are positioned on the side of the motor.
4.2 Type key
The type designation is stated on the nameplate.
Caution
Do not use sharp tools when unpacking the
motor.
Frame size Model
Number of eye bolts/
max. permissible weight
90, 100 B, C, D, H
2 x M8/
140 kg (1.4 kN)
112, 132 C, D, F, H
2 x M10/
230 kg (2.3 kN)
160, 180 F, H
2 x M12/
340 kg (3.4 kN)
Caution
If MG motors are stored, the shaft must be turned
by hand at least once a month to prevent it from
getting stuck and to distribute the bearing
grease.
If the motor has been stored for more than two
years before installation, the rotating parts must
be dismantled and checked. Relubricate motors
with lubricating nipples. Replace the
greased-for-life bearings.
Note
Both 50 and 60 Hz data are indicated on the
nameplates for three-phase motors.
Only 50 or 60 Hz data are indicated on the
nameplates for single-phase motors.
Only 60 Hz data are indicated on previous
versions of ML motors.
Example MG 132 S B 2 -38 FF 265 -H 3
Motor Grundfos
Frame size (centre-line height of
shaft, foot-mounted motor [mm])
Size, foot:
[ ] = frame sizes 71, 80
S = small
M = medium
L = large
Length of stator core:
A
B
C
D
Number of poles:
2
4
Diameter of shaft end [mm]
Flange version:
[ ] = foot-mounted motor, type IM B 3
FF = free-hole flange
FT = tapped-hole flange
Pitch circle diameter [mm]
[ ] = IM B 3
Model:
A (discontinued)
B
C
D
F
H
Efficiency class:
[ ] = NA
1 = IE2 motor
2 = IE1 motor
3 = IE3 motor