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Argentina

Bombas GRUNDFOS de Argentina S.A.
Ruta Panamericana km. 37.500industin
1619 - Garín Pcia. de B.A.
Tel.: +54-3327 414 444
Fax: +54-3327 45 3190

Australia

GRUNDFOS Pumps Pty. Ltd.
P.O. Box 2040
Regency Park
South Australia 5942
Tel.: +61-8-8461-4611 
Fax: +61-8-8340-0155

Austria

GRUNDFOS Pumpen Vertrieb Ges.m.b.H.
Grundfosstraße 2
A-5082 Grödig/Salzburg
Tel.: +43-6246-883-0
Fax: +43-6246-883-30

Belgium

N.V. GRUNDFOS Bellux S.A.
Boomsesteenweg 81-83
B-2630 Aartselaar
Tel.: +32-3-870 7300
Fax: +32-3-870 7301

Belarus

Представительство ГРУНДФОС в Минске
220125, Минск
ул. Шафарнянская, 11, оф. 56, БЦ «Порт»
Тел.: +375 17 397 397 3
         +375 17 397 397 4
Факс: +375 17 397 397 1
E-mail: [email protected]

Bosnia and Herzegovina

GRUNDFOS Sarajevo
Zmaja od Bosne 7-7A
BiH-71000 Sarajevo
Tel.: +387 33 592 480
Fax: +387 33 590 465
www.ba.grundfos.com 
E-mail: [email protected]

Brazil

BOMBAS GRUNDFOS DO BRASIL
Av. Humberto de Alencar Castelo Branco,
630
CEP 09850 - 300
São Bernardo do Campo - SP
Tel.: +55-11 4393 5533
Fax: +55-11 4343 5015

Bulgaria

Grundfos Bulgaria EOOD
Slatina District
Iztochna Tangenta street no. 100
BG - 1592 Sofia
Tel.: +359 2 49 22 200
Fax: +359 2 49 22 201
E-mail: [email protected]

Canada

GRUNDFOS Canada inc.
2941 Brighton Road
Oakville, Ontario
L6H 6C9
Tel.: +1-905 829 9533
Fax: +1-905 829 9512

China

GRUNDFOS Pumps (Shanghai) Co. Ltd.
10F The Hub, No. 33 Suhong Road
Minhang District
Shanghai 201106 PRC
Tel.: +86 21 612 252 22 
Fax: +86 21 612 253 33

Columbia

GRUNDFOS Colombia S.A.S.
Km 1.5 vía Siberia-Cota Conj. Potrero
Chico,
Parque Empresarial Arcos de Cota Bod. 1A.
Cota, Cundinamarca
Tel.: +57(1)-2913444
Fax: +57(1)-8764586

Croatia

GRUNDFOS CROATIA d.o.o.
Buzinski prilaz 38, Buzin
HR-10010 Zagreb
Tel.: +385 1 6595 400
Fax: +385 1 6595 499
www.hr.grundfos.com

Czech Republic

GRUNDFOS Sales Czechia and Slovakia
s.r.o.
Čajkovského 21
779 00 Olomouc
Tel.: +420-585-716 111

Denmark

GRUNDFOS DK A/S
Martin Bachs Vej 3
DK-8850 Bjerringbro
Tel.: +45-87 50 50 50
Fax: +45-87 50 51 51
E-mail: [email protected]
www.grundfos.com/DK 

Estonia

GRUNDFOS Pumps Eesti OÜ
Peterburi tee 92G
11415 Tallinn
Tel.: + 372 606 1690
Fax: + 372 606 1691

Finland

OY GRUNDFOS Pumput AB
Trukkikuja 1
FI-01360 Vantaa
Tel.: +358-(0) 207 889 500

France

Pompes GRUNDFOS Distribution S.A.
Parc d’Activités de Chesnes
57, rue de Malacombe
F-38290 St. Quentin Fallavier (Lyon)
Tel.: +33-4 74 82 15 15
Fax: +33-4 74 94 10 51

Germany

GRUNDFOS GMBH
Schlüterstr. 33
40699 Erkrath
Tel.: +49-(0) 211 929 69-0
Fax: +49-(0) 211 929 69-3799
E-mail: [email protected]
Service in Deutschland:
[email protected]

Greece

GRUNDFOS Hellas A.E.B.E.
20th km. Athinon-Markopoulou Av.
P.O. Box 71
GR-19002 Peania
Tel.: +0030-210-66 83 400
Fax: +0030-210-66 46 273

Hong Kong

GRUNDFOS Pumps (Hong Kong) Ltd.
Unit 1, Ground floor, Siu Wai industrial
Centre
29-33 Wing Hong Street & 68 King Lam
Street, Cheung Sha Wan
Kowloon
Tel.: +852-27861706 / 27861741
Fax: +852-27858664

Hungary

GRUNDFOS Hungária Kft.
Tópark u. 8
H-2045 Törökbálint
Tel.: +36-23 511 110
Fax: +36-23 511 111

India

GRUNDFOS Pumps india Private Limited
118 Old Mahabalipuram Road
Thoraipakkam
Chennai 600 097
Tel.: +91-44 2496 6800

Indonesia

PT GRUNDFOS Pompa
Graha intirub Lt. 2 & 3
Jln. Cililitan Besar No.454. Makasar,
Jakarta Timur
ID-Jakarta 13650
Tel.: +62 21-469-51900
Fax: +62 21-460 6910 / 460 6901

Ireland

GRUNDFOS (Ireland) Ltd.
Unit A, Merrywell Business Park
Ballymount Road Lower
Dublin 12
Tel.: +353-1-4089 800
Fax: +353-1-4089 830

Italy

GRUNDFOS Pompe Italia S.r.l.
Via Gran Sasso 4
I-20060 Truccazzano (Milano)
Tel.: +39-02-95838112
Fax: +39-02-95309290 / 95838461

Japan

GRUNDFOS Pumps K.K.
1-2-3, Shin-Miyakoda, Kita-ku
Hamamatsu
431-2103 Japan
Tel.: +81 53 428 4760
Fax: +81 53 428 5005

Korea

GRUNDFOS Pumps Korea Ltd.
6th Floor, Aju Building 679-5
Yeoksam-dong, Kangnam-ku, 135-916
Seoul, Korea
Tel.: +82-2-5317 600
Fax: +82-2-5633 725

Latvia

SIA GRUNDFOS Pumps Latvia
Deglava biznesa centrs
Augusta Deglava ielā 60
LV-1035, Rīga,
Tel.: + 371 714 9640, 7 149 641
Fax: + 371 914 9646

Lithuania

GRUNDFOS Pumps UAB
Smolensko g. 6
LT-03201 Vilnius
Tel.: + 370 52 395 430
Fax: + 370 52 395 431

Malaysia

GRUNDFOS Pumps Sdn. Bhd.
7 Jalan Peguam U1/25
Glenmarie industrial Park
40150 Shah Alam, Selangor
Tel.: +60-3-5569 2922
Fax: +60-3-5569 2866

Mexico

Bombas GRUNDFOS de México
S.A. de C.V.
Boulevard TLC No. 15
Parque industrial Stiva Aeropuerto
Apodaca, N.L. 66600
Tel.: +52-81-8144 4000
Fax: +52-81-8144 4010

Netherlands

GRUNDFOS Netherlands
Veluwezoom 35
1326 AE Almere
Postbus 22015
1302 CA ALMERE
Tel.: +31-88-478 6336
Fax: +31-88-478 6332
E-mail: [email protected]

New Zealand

GRUNDFOS Pumps NZ Ltd.
17 Beatrice Tinsley Crescent
North Harbour Industrial Estate
Albany, Auckland
Tel.: +64-9-415 3240
Fax: +64-9-415 3250

Norway

GRUNDFOS Pumper A/S
Strømsveien 344
Postboks 235, Leirdal
N-1011 Oslo
Tel.: +47-22 90 47 00
Fax: +47-22 32 21 50

Poland

GRUNDFOS Pompy Sp. z o.o.
ul. Klonowa 23
Baranowo k. Poznania
PL-62-081 Przeźmierowo
Tel.: (+48-61) 650 13 00
Fax: (+48-61) 650 13 50

Portugal

Bombas GRUNDFOS Portugal, S.A.
Rua Calvet de Magalhães, 241
Apartado 1079
P-2770-153 Paço de Arcos
Tel.: +351-21-440 76 00
Fax: +351-21-440 76 90

Romania

GRUNDFOS Pompe România SRL
S-PARK BUSINESS CENTER, Clădirea
A2, etaj 2
Str. Tipografilor, Nr. 11-15, Sector 1, Cod
013714
Bucuresti, Romania
Tel.: 004 021 2004 100
E-mail: [email protected]

Russia

ООО Грундфос Россия
ул. Школьная, 39-41
Москва, RU-109544, Russia 
Тел. (+7) 495 564-88-00 (495) 737-30-00
Факс (+7) 495 564 8811
E-mail [email protected]

Serbia

Grundfos Srbija d.o.o.
Omladinskih brigada 90b
11070 Novi Beograd
Tel.: +381 11 2258 740
Fax: +381 11 2281 769
www.rs.grundfos.com 

Singapore

GRUNDFOS (Singapore) Pte. Ltd. 
25 Jalan Tukang 
Singapore 619264
Tel.: +65-6681 9688
Faxax: +65-6681 9689

Slovakia

GRUNDFOS s.r.o.
Prievozská 4D 821 09 BRATISLAVA
Tel.: +421 2 5020 1426
sk.grundfos.com

Slovenia

GRUNDFOS LJUBLJANA, d.o.o.
Leskoškova 9e, 1122 Ljubljana
Tel.: +386 (0) 1 568 06 10
Fax: +386 (0)1 568 06 19
E-mail: [email protected]

South Africa

GRUNDFOS (PTY) LTD
16 Lascelles Drive, Meadowbrook Estate
1609 Germiston, Johannesburg
Tel.: (+27) 10 248 6000
Fax: (+27) 10 248 6002
E-mail: [email protected]

Spain

Bombas GRUNDFOS España S.A.
Camino de la Fuentecilla, s/n 
E-28110 Algete (Madrid)
Tel.: +34-91-848 8800
Fax: +34-91-628 0465

Sweden

GRUNDFOS AB
Box 333 (Lunnagårdsgatan 6)
431 24 Mölndal
Tel.: +46 31 332 23 000
Fax: +46 31 331 94 60

Switzerland

GRUNDFOS Pumpen AG
Bruggacherstrasse 10
CH-8117 Fällanden/ZH
Tel.: +41-44-806 8111
Fax: +41-44-806 8115

Taiwan

GRUNDFOS Pumps (Taiwan) Ltd.
7 Floor, 219 Min-Chuan Road
Taichung, Taiwan, R.O.C.
Tel.: +886-4-2305 0868
Fax: +886-4-2305 0878

Thailand

GRUNDFOS (Thailand) Ltd.
92 Chaloem Phrakiat Rama 9 Road
Dokmai, Pravej, Bangkok 10250
Tel.: +66-2-725 8999
Fax: +66-2-725 8998

Turkey

GRUNDFOS POMPA San. ve Tic. Ltd. Sti.
Gebze Organize Sanayi Bölgesi 
Ihsan dede Caddesi
2. yol 200. Sokak No. 204
41490 Gebze/ Kocaeli 
Tel.: +90 - 262-679 7979
Fax: +90 - 262-679 7905
E-mail: [email protected]

Ukraine

ТОВ "ГРУНДФОС УКРАЇНА"
Бізнес Центр Європа
Столичне шосе, 103
м. Київ, 03131, Україна
Tel.: (+38 044) 237 04 00
Fax: (+38 044) 237 04 01
E-mail: [email protected]

United Arab Emirates

GRUNDFOS Gulf Distribution
P.O. Box 16768
Jebel Ali Free Zone, Dubai
Tel.: +971 4 8815 166
Fax: +971 4 8815 136

United Kingdom

GRUNDFOS Pumps Ltd.
Grovebury Road
Leighton Buzzard/Beds. LU7 4TL
Tel.: +44-1525-850000 
Fax: +44-1525-850011 

U.S.A.

Global Headquarters for WU
856 Koomey Road
Brookshire, Texas 77423 USA
Phone: +1-630-236-5500

Uzbekistan

Grundfos Tashkent, Uzbekistan
The Representative Office of Grundfos
Kazakhstan in Uzbekistan
38a, Oybek street, Tashkent
Tel.: (+998) 71 150 3290 / 71 150 3291
Fax: (+998) 71 150 3292

Grundfos companies

Summary of Contents for CM series

Page 1: ...CM CME Service instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ......

Page 3: ...CM CME English GB Service instructions 4 3 Table of contents ...

Page 4: ...3 5 stainless steel 26 8 4 Key for CM 10 15 25 27 8 5 CM 10 15 25 cast iron 27 8 6 CM 10 15 25 stainless steel 28 1 General information Read this document before you install the product Instal lation and operation must comply with local regulations and accepted codes of good practice 1 1 Hazard statements The symbols and hazard statements below may appear in Grundfos installation and operating ins...

Page 5: ... 5 6 6 TM040356 Motor nameplate The pump and motor nameplates are positioned on the motor fan cover or terminal box The data and information on the pump nameplate are described in the table below Pos Description 1 Pump type 2 Pump model 3 Environmental rating for enclosures based on NEMA type designations 4 Enclosure class 5 Maximum ambient temperature C F 6 Maximum system pressure bar psi MPa 7 M...

Page 6: ... Pump shaft EN 1 4057 AISI 431 Impellers chambers EN 1 4301 AISI 304 Sleeve EN 1 4401 AISI 316 G Pump shaft EN 1 4401 AISI 316 Code Description Impellers chambers EN 1 4401 AISI 316 Sleeve EN 1 4301 AISI 304 I Pump shaft EN 1 4301 AISI 304 Impellers chambers EN 1 4301 AISI 304 X Special version Rubber parts in pump excl neck ring and shaft seal E EPDM ethylene propylene K FFKM perfluor V FKM fluor...

Page 7: ...Code Description Mains plug A Cable glands B Harting plug C With cable The type key cannot be used for ordering as not all com binations are possible 7 English GB ...

Page 8: ...ing 1 17 86 x 2 62 V7140084 103 Seal faces 1 Silicone oil 350 cSt food grade 107 O ring 1 11 5 x 3 18 Rocol 22 152 Screw 2 M4 x 8 2 7 3 3 4 M5 x 12 3 5 4 155 Bearing cover plate 1 Rocol 22 157a Gasket MG 71 MG 80 1 114 8 121 2 x 0 25 Gasket MG 90 2 141 2 145 5 Gasket MG 100 158a O ring 1 35 4 x 1 97 Rocol 22 159 O ring MG 71 MG 80 1 32 x 2 Rocol 22 O ring MG 90 MG 100 1 52 x 3 0 O ring MG 112 132 ...

Page 9: ...gon key 26 5 mm 6 mm SV0196 F Puller for bearing 153 154 G Plastic hammer 156 SV0349 H Ratchet handle 156 96777072 I Hexagon head driver 26 M6 5 mm SV0296 M8 6 mm SV0297 181 M5 4 mm J Bits kit 28g 152 181 SV2010 4 2 Torque tools Pos Designation For pos Further information Product number K Torque screwdriver J 1 6 Nm SV0438 L Ring insert tool N 13 mm 9 x 12 mm SV0294 M Ratchet insert tool I 9 x 12 ...

Page 10: ...ric cable in accordance with local regulations Before assembly Clean and check all parts Replace defective parts by new parts Order the necessary service kits Gaskets and O rings should always be replaced when the pump is overhauled See the section on replacement of impellers and spacing pipes before replacing an impeller or spacing pipe During assembly Lubricate and tighten screws and nuts to cor...

Page 11: ...325 Fitting the stop ring 6 Fit spring pos 108 and driver pos 112 TM044326 Fitting the spring and driver 7 Fit impeller pos 49 spacing pipe pos 64 gasket pos 139b and chamber plate pos 4f 8 Continue the assembly until chamber for bearing pos 4a Step 8 applies only to pumps with eight stages 9 Fit chamber for bearing pos 4a short spacing pipe pos 64a gasket pos 139b and bearing ring pos 47a See the...

Page 12: ... spacing pipe pos 64 Step 8 applies only to pumps with eight or more stages 9 Continue the dismantling until shaft seal pos 105 10 Remove shaft seal pos 105 TM044327 Exploded view of shaft seal 11 Remove O ring pos 31 and cover plate pos 32 Dismantling of MG 71 and MG 80 see the section on dis mantling Dismantling of MG 90 and MG 100 see the section on dismantling It is advisable always to replace...

Page 13: ...cing pipe pos 64 9 Fit impeller pos 49 chamber pos 4 and spacing pipe pos 64 10 Fit impeller pos 49 chamber pos 4a short spacing pipe pos 64a and bearing ring pos 47a See the section on order of assembly for chambers and impellers Step 10 applies only to pumps with eight or more stages 11 Fit impeller pos 49 clamp pos 64c washers pos 66 and nut pos 67 TM021057 Correct fitting of washers 12 Hold cl...

Page 14: ... 1 Dismantling 5 7 1 Dismantling 5 8 Checking and replacing impellers and chambers 5 4 2 Assembly Assembly of MG 71 and MG 80 see the section on as sembly Assembly of MG 90 MG 100 MG 112 and MG 132 see the section on assembly 1 Fit discharge part pos 2 2 Fit and tighten screws pos 2b See the section on tightening torques and lubricants 3 Fit O ring pos 102 on the stationary shaft seal part See the...

Page 15: ... 2 Assembly 8 1 Key for CM 1 3 5 5 5 CM 10 15 25 stainless steel 5 5 1 Dismantling 1 Remove staybolts pos 26 2 Remove clamping flange pos 6a and sleeve pos 16 3 Remove the chamber plate pos 4f 4 Hold clamp pos 64c and remove nut pos 67 5 Remove lock washers pos 66 and clamp pos 64c 6 Remove impeller pos 49 7 Remove spacing pipe pos 64e bearing ring pos 47a and chamber for bearing pos 4a Step 7 app...

Page 16: ...ting the spring and driver 8 Fit short spacing pipe pos 64a chamber with holes pos 4d and impeller pos 49 9 Continue the assembly until clamp pos 64c For correct fitting of chambers and impellers see the section on order of assembly for chambers and impellers 10 Fit clamp pos 64c washers pos 66 and nut pos 67 TM021057 Correct fitting of washers 11 Hold clamp pos 64c and tighten nut pos 67 See the ...

Page 17: ... Only cast iron pumps Remove screws pos 2b 2 Only cast iron pumps Remove discharge part pos 2 3 Remove screws pos 152 4 Remove fan cover pos 151 5 Remove fan pos 156 and seal ring pos 159a 6 Remove staybolts pos 181 7 Remove motor flange pos 156b gasket pos 157a and bearing cover pos 156a 8 Remove diverting disc pos 79 O ring pos 158a and bearing cover plate pos 155 9 Pull shaft pos 51 out of stat...

Page 18: ...wear ring freely sideways between the retainer and the chamber Bearing ring Check whether there is a visible and noticeable use a finger nail edge on the rotating bearing ring Replace both bearing rings pos 47a and chamber for bearing pos 4a TM021182 Correct fitting of wear ring 5 9 Replacement of impellers and spacing pipes Replace all impellers and spacing pipes If new impellers or spacing pipes...

Page 19: ... the switch Check cables and cable connections for defects and loose connections Fuses are blown Check cables and cable connections for defects and replace the fuses Motor protection tripped Check cables and cable connections for defects and loose connections Replace the contacts of the motor protective circuit breaker the magnet coil or the entire motor protective circuit breaker Check cables and...

Page 20: ... See nameplate 6 3 The motor protective circuit breaker trips out occasionally Cause Remedy The setting of the motor protective circuit breaker is too low Set the motor protective circuit breaker according to the rated current of the motor I1 1 See nameplate Periodic supply failure Check cables and cable connections for defects and replace the fuses Periodically low voltage Check cables and cable ...

Page 21: ...n valve is stuck in its closed position Remove and clean repair or replace the valve Leakage in inlet pipe Remove and repair the inlet pipe Air in inlet pipe or pump Vent the inlet pipe pump Check the inlet conditions of the pump 6 7 The pump runs backwards when switched off Cause Remedy Leakage in inlet pipe Remove and repair the inlet pipe Foot or non return valve defective Remove and clean repa...

Page 22: ...7 Drawings 7 1 CM 1 3 5 TM043588 CM 1 3 5 stainless steel 22 English GB ...

Page 23: ...TM043591 CM 1 3 5 cast iron 23 English GB ...

Page 24: ...7 2 CM 10 15 25 TM043828 CM 10 15 25 stainless steel 24 English GB ...

Page 25: ...TM043829 CM 10 15 25 cast iron 25 English GB ...

Page 26: ... F D F D F D F D F D F D F 2 E F A F A F A F A F A F A F 3 E F A F A F A F A F A F 4 E F A F A F A F A F 5 E F A F A F A F 6 E F A F A F 7 E F B F 8 E F 1 Pos 1 is next to the motor 8 3 CM 1 3 5 stainless steel CM 1 3 5 stainless steel Pos 2 3 4 5 6 7 8 Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller 11 C F C F C F C F C F C F ...

Page 27: ...B F B F B F 12 E F A F A F 13 E E F A F 14 E E E F 1 Pos 1 is next to the motor 8 4 Key for CM 10 15 25 Bearings Chamber cpl A Chamber with bearing cpl B Chamber with holes C Impeller located in cast iron component D Chamber without sand lift E Chamber plate SS pumps F Chamber without guide vanes G Chamber without guide vanes and sand lift H Impeller I 8 5 CM 10 15 25 cast iron CM 10 15 25 cast ir...

Page 28: ... C I C I C I C I C I 2 G A I A I A I A I 3 G G A I A I A I 4 F F F A I A I 5 F A I 6 G 7 F 1 Pos 1 is next to the motor CM 10 15 25 stainless steel Pos 6 7 8 Chamber Impeller Chamber Impeller Chamber Impeller 11 C I C I C I 2 A I A I A I 3 A I A I A I 4 A I A I A I 5 A I A I A I 6 B I A I A I 7 F B I A I 8 G B I 9 F F 1 Pos 1 is next to the motor 28 English GB ...

Page 29: ...oor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Tel 82 2 5317 600 Fax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tel 371 714 9640 7 149 641 Fax 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 Vilnius Tel 370 52 395 430 Fax 370 52 395 431 Malaysia GRUNDFOS Pumps Sdn Bhd 7 Jalan Peguam U1 25 Glenmarie...

Page 30: ...1345978 www grundfos com Trademarks displayed in this material including but not limited to Grundfos and the Grundfos logo are registered trademarks owned by The Grundfos Group 2022 Grundfos Holding A S all rights reserved ...

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