Grundfos MMS 12000 User manual

Assembly
Instructions
Assembly
Instructions
Group Product Training & Group Service, 2000
Assembly
Instructions
Group Product Training& Group Service,
MMS 12000
MMS 12000
MMS 12000
MMS 12000

2
ASSEMBLY OF THRUST BEARING HOUSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
MOUNTING OF BEARINGS AND RADIAL SHAFT SEAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
MOUNTING OF ROTOR AND BEARING HOUSINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MOUNTING AND ADJUSTMENT OF THRUST BEARING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
FITTING OF CABLE GLANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
MOUNTING OF THRUST BEARING HOUSING AND SAND GUARD . . . . . . . . . . . . . . . . . . . . . . 18
FILLING OF MOTOR LIQUID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
COPYRIGHT  2000 BY
GRUNDFOS A/S
DK-BJERRINGBRO
DENMARK
ALL RIGHTS RESERVED.
NOPART OF THIS BOOK MAY BE REPRODUCED IN ANY WAY OR BY
ANY MEANS WITHOUT THE PRIOR PERMISSION OF THE PUBLISHER.
PRODUCED BY GROUP PRODUCT TRAINING & GROUP SERVICE.
PRINTED BY BB OFFSET, DENMARK.
Contents
Page

3
Assembly of thrust
bearing housing
Tools for assembly
1
Thrust bearing housing parts and tools
2
Insert diaphragm in thrust bearing housing
3
Fit diaphragm plate
4

4
Fit stationary disc for thrust bearing
5
Fit and tighten screws for disc
6

5
Lower motor bearing housing parts
and tools
Mounting of bearings
and radial shaft seal
1
Fit first bearing bush on tool
2
Fit second bearing bush on tool
3
Use tool or an ordinary hydraulic press to
insert bearing bushes
4

6
Note: Lubrication slots in thetwo bearing
bushes must be displaced
5
Upthrust bearing pad and screws
6
Fit upthrust bearing pad in
lower motor bearing housing
7
Upper motor bearing housing parts
and tools
8
Fit first bearing bush on tool
9
Fit second bearing bush on tool
10

7
Use tool or an ordinary hydraulic press to
insert bearing bushes
11
Note: Lubrication slots in the two bearing
bushes must be displaced
12
Radial shaft seal parts and tools
13
Fit housing for seal rings on tool
14
Fit seal ring part on tool
15
Use the tool as a press to assemble
the two parts
16

8
Screw toolinto bottom position
17
Correctly fittedseal ring
18
Fit circlip
19
Correctly fitted circlip
20
Fit tool inupper motor bearing housing
21
Place housing forseal ring on tool
22

9
Use the tool to press seal ring housing
into position
23
Turn until seal ring housing is in
bottom position
24
Remove tools
25 26

10
Fit rotor.
Be careful not to damage windings
Mounting of rotor
and bearing housings
1
Grease seal surface on stator housing
2
Fit gasket
3
Mount lower bearing housing
4