Desmi ESLH/-17, Operation And Maintenance Instructions, Page: 2 / 19

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DESMI Pumping Technology A/S
2
www.desmi.com
Tagholm 1
9400 Nørresundby
– Denmark
Tel: +45 96 32 81 11 Fax: +45 98 17 54 99
E-mail:
desmi@desmi.com
Table of Contents
1. PRODUCT DESCRIPTION ............................................................................................................................... 3
1.1 DELIVERY ...................................................................................................................................................... 3
2. TECHNICAL DATA ......................................................................................................................................... 3
2.1 EXPLANATION OF THE TYPE NUMBER .......................................................................................................... 3
2.2 TECHNICAL DESCRIPTION ............................................................................................................................. 4
3. INSTALLATION .............................................................................................................................................. 5
3.1 MOUNTING/FASTENING .............................................................................................................................. 5
3.2 WIRING ......................................................................................................................................................... 5
4. TRANSPORT/STORAGE ................................................................................................................................. 5
5. DISMANTLING .............................................................................................................................................. 6
5.1 DISMANTLING OF ESLH25-180N/A-17 .......................................................................................................... 6
5.1.1 DISMANTLING COUPLING ......................................................................................................................... 6
5.1.2 DISMANTLING REAR COVER AND IMPELLER .............................................................................................. 7
5.1.3 DISMANTLING SHAFT SEAL & BEARING ..................................................................................................... 7
5.3 INSPECTION .................................................................................................................................................. 9
6. ASSEMBLING .............................................................................................................................................. 10
6.1 FITTING CARBON BEARING AND VORTEX BREAKER .................................................................................... 10
6.2 FITTING SHAFT WITH BEARINGS ................................................................................................................. 10
6.3 FITTING SHAFT SEAL ................................................................................................................................... 10
6.4 FITTING BEARING HOUSE ........................................................................................................................... 11
6.5 FITTING IMPELLER ...................................................................................................................................... 11
6.6 FITTING
REAR
COVER ................................................................................................................................... 11
6.7 FITTING COUPLING AND MOTOR ............................................................................................................... 11
6.8 SHAFT ......................................................................................................................................................... 12
7. FROST PROTECTION ................................................................................................................................... 12
8. DISMANTLING ............................................................................................................................................ 12
9. START-UP ................................................................................................................................................... 12
9.1 START-UP ................................................................................................................................................... 12
10. SYSTEM BALANCING ................................................................................................................................ 13
11. INSPECTION AND MAINTENANCE ............................................................................................................. 14
11.1 DRAINING THE PUMP ............................................................................................................................... 14
12. REPAIRS ................................................................................................................................................... 14
12.1 ORDERING SPARE PARTS .......................................................................................................................... 14
12.2 REPLACING THE IMPELLER ........................................................................................................................ 14
12.3 REPLACING O-RINGS................................................................................................................................. 14
12.4 REPLACING SHAFT SEAL (22) .................................................................................................................... 14
12.5 REPLACING BALL BEARINGS ..................................................................................................................... 15
13. OPERATING DATA .................................................................................................................................... 16
14. EU DECLARATION OF CONFORMITY ......................................................................................................... 17
15. INFORMATION RELEVANT FOR DISASSEMBLY OR DISPOSAL AT END-OF-LIFE .......................................... 18
16. ASSEMBLY DRAWING ESLH25-180N/-17 .................................................................................................. 18
17. DIMENSIONAL SKETCH ............................................................................................................................. 19