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Sheet No.
3AAM101026 E
Rev. B
01.2023
Page 6 of 6
Installation, operation and maintenance instructions
High voltage flameproof motors for explosive atmosphere
AMD Rg 355-400-450-500
Internal view of motor components with horizontal and
vertical axis
Issued by: MOLM
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The following table contains the names of the main internal components of both horizontal and vertical axis
motors.
Motor main components
01
Stator magnetic pack with winding
17
02
Complete rotor
18
03
Supporting shield DE side
19
Main terminal box (Ex db)
04
Supporting shield NDE side
20
Auxiliary terminals box
05
External fan
21
Ground
06
Ventilation cap
22
Anti condensation heater
07
Rolling bearing DE side
23
Through isolator
08
Rolling bearing NDE side
24
Additional auxiliary terminals box
(if foreseen in order)
09
Internal flame arrester closure DE side
25
Sleeve bearing (DE and NDE sides) –
only for horizontal axis
10
Internal flame-arrester closure NDE side
26
Internal oil seal (DE and NDE sides) –
only for horizontal axis
09a
Labyrinth flame-arrester internal closure
for sleeve bearings DE side
27
External oil seal (DE and NDE sides) –
only for horizontal axis
10a
Labyrinth flame-arrester internal closure
for sleeve bearings NDE side
28
Bearing support housing (DE and NDE
sides) – only for horizontal axis
11
Bearing external closure (with rolling
seal) DE side
29
Breather (only for self lubrication)
12
Bearing external closure (with rotating
seal) DE side
30
Bearings temperature detector
13
Grease valve ring DE side
31
Internal impeller
14
Grease valve ring NDE side
Ex db inlet cable clamps in terminal
boxes
15
Heat detectors for bearings (if foreseen
in order)
16
= components recommended to be kept in stock as spare parts.
Component ordering code:
Example:
880300142.01/1 – 3AAM101026 – 03
Design order number obtained
from motor ID plate
Manual page number
Component number
according to above table