Grundfos CM series Скачать руководство пользователя страница 28

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8.6 CM 10, 15, 25, stainless steel

CM 10, 15, 25, stainless steel

Pos.

Chamber

Impeller

Chamber

Impeller

Chamber

Impeller

Chamber

Impeller

Chamber

Impeller

Pos. 1 is next to the motor.

CM 10, 15, 25, stainless steel

Pos.

Chamber

Impeller

Chamber

Impeller

Chamber

Impeller

Pos 1 is next to the motor.

English (GB)

Содержание CM series

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

Страница 2: ......

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

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

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

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

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

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

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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