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English (GB)

English (GB)

Service instructions

Original service instructions.

CONTENTS

Page

1. Symbols used in this document

Symbols used in this document

Type identification

2.1 Nameplate

2.2 Type key

Tightening torques and lubricants

Service tools

4.1 Standard tools

4.2 Torque tools

Dismantling and assembly

5.1 General information

5.2 CM 1, 3, 5, cast iron

5.3 CM 1, 3, 5, stainless steel

5.4 CM 10, 15, 25, cast iron

5.5 CM 10, 15, 25, stainless steel

5.6 MG 71 and MG 80 motors

5.7 MG 90, MG 100, MG 112 and MG 132 motors

5.8 Checking and replacing impellers and chambers

Order of assembly for chambers and impellers

8.1 Key for CM 1, 3, 5

8.2 CM 1, 3, 5, cast iron

8.3 CM 1, 3, 5, stainless steel

8.4 Key for CM 10, 15, 25

8.5 CM 10, 15, 25, cast iron

8.6 CM 10, 15, 25, stainless steel

Warning

If these safety instructions are not observed, it
may result in personal injury.

Caution

If these safety instructions are not observed, it
may result in malfunction or damage to the
equipment.

Note

Notes or instructions that make the job easier and
ensure safe operation.

Содержание CM 1

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

Страница 2: ...2 ...

Страница 3: ...G 71 and MG 80 motors 13 5 7 MG 90 MG 100 MG 112 and MG 132 motors 13 5 8 Checking and replacing impellers and chambers 14 6 Fault finding 15 7 Drawings 16 7 1 CM 1 3 5 16 7 2 CM 10 15 25 18 8 Order of assembly for chambers and impellers 20 8 1 Key for CM 1 3 5 20 8 2 CM 1 3 5 cast iron 20 8 3 CM 1 3 5 stainless steel 20 8 4 Key for CM 10 15 25 21 8 5 CM 10 15 25 cast iron 21 8 6 CM 10 15 25 stain...

Страница 4: ...I Qnom Hnom Hmax m h GPM m m PSI PSI C F 50 Hz 95120839 60 Hz 3 4 5 5 6 7 7 8 9 10 10 11 11 12 12 6 6 1 10 11 12 10 11 12 2 Amb C F Insulation class TM04 0356 0908 Imax V A A uF V kW 95120836 I1 1 P2 Imax V A A I1 1 P2 Capacitor HP kW HP uF V Capacitor 50 Hz 60 Hz 1 1 2 3 4 5 2 3 4 5 2 3 4 5 2 3 4 5 6 6 Pos Description 1 Pump type 2 Pump model 3 Environmental rating for enclosures based on NEMA ty...

Страница 5: ...220 240 380 415 V 50 Hz G ANSI flange G 3 x 200 346 V 50 Hz 200 220 346 380 V 60 Hz J JIS flange H 3 x 575 V 60 Hz P PJE coupling I 3 x 400 V 50 60 Hz R Whitworth thread Rp ISO 7 1 J 3 x 380 415 V 50 Hz 440 480 V 60 Hz S Internal NPT thread K 1 x 220 240 V MGE motor L 3 x 380 480 V MGE motor Materials in contact with pumped liquid M 1 x 208 230 V MLE motor A Inlet and discharge parts EN GJL 200 N ...

Страница 6: ...inless steel 4 M8 20 22 28g Screw 4 M6 x 14 8 10 THREAD EZE 31 O ring CM 1 3 5 1 114 0 x 3 90 Rocol 22 O ring CM 10 15 25 1 153 2 x 4 70 Rocol 22 67 Lock nut 1 M8 16 18 102 O ring 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...

Страница 7: ...c 15 mm 67 13 mm SV0055 E Hexagon 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 Pos Designation For pos Further information Part 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...

Страница 8: ...for bearing pos 4a gasket pos 139b impeller pos 49 and spacing pipe pos 64 9 Continue the dismantling until shaft seal pos 105 10 Remove shaft seal pos 105 See fig 3 Fig 3 Exploded view of shaft seal 5 2 2 Assembly 1 Fit O ring pos 102 on the stationary shaft seal part See fig 4 For correct lubricant see section 3 Tightening torques and lubricants Fig 4 Fitting the O ring on the stationary shaft s...

Страница 9: ...ler pos 49 7 Remove bearing ring pos 47a and short spacing pipe pos 64a 8 Remove chamber for bearing pos 4a impeller pos 49 and spacing pipe pos 64 9 Continue the dismantling until shaft seal pos 105 10 Remove shaft seal pos 105 See fig 9 Fig 9 Exploded view of shaft seal 11 Remove O ring pos 31 and cover plate pos 32 5 3 2 Assembly 1 Fit cover plate pos 32 and O ring pos 31 Lubricate the O ring S...

Страница 10: ...s and lubricants 13 Fit chamber pos 4e sleeve pos 16 and clamping flange pos 6a 14 Fit and cross tighten staybolts pos 26 See section 3 Tightening torques and lubricants 5 4 CM 10 15 25 cast iron 5 4 1 Dismantling 1 Remove staybolts pos 26 2 Remove inlet part pos 6 and gasket pos 139b 3 Hold clamp pos 64c and remove nut pos 67 4 Remove lock washers pos 66 and clamp pos 64c 5 Remove impeller pos 49...

Страница 11: ...ee fig 19 Fig 19 Fitting the spring and driver 9 Fit short spacing pipe pos 64a impeller pos 49 gasket pos 139c and chamber pos 4g 10 Fit gasket pos 139b spacing pipe pos 64 impeller pos 49 and chamber pos 4 11 Continue the assembly until clamp pos 64c For correct fitting of chambers and impellers see section 8 Order of assembly for chambers and impellers 12 Fit impeller pos 49 clamp pos 64c washe...

Страница 12: ... SiC SiC 4 Fit the rotating shaft seal part pos 104 so that the seal face touches the stationary part 5 Fit O ring pos 107 into the rotating shaft seal part pos 104 For correct lubricant see section 3 Tightening torques and lubricants 6 Fit retainer pos 111 and stop ring pos 111a See fig 24 Fig 24 Fitting the stop ring 7 Fit spring pos 108 and driver pos 112 See fig 25 Fig 25 Fitting the spring an...

Страница 13: ... See section 3 Tightening torques and lubricants 5 7 MG 90 MG 100 MG 112 and MG 132 motors 5 7 1 Dismantling 1 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 ...

Страница 14: ... wear rings pos 45 and wear ring retainers pos 65 when the chamber stack is dismantled 1 Prise the wear ring retainer pos 65 up and free of the chamber using a screwdriver 2 Remove wear ring pos 45 3 Fit a new wear ring in the chamber See fig 29 4 Press a new wear ring retainer on the wear ring and into the chamber It must be possible to move the wear ring freely sideways between the retainer and ...

Страница 15: ...otor protective circuit breaker trips out occasionally a The setting of the motor protective circuit breaker is too low See 2 f b Periodic supply failure See 2 c c Periodically low voltage Check cables and cable connections for defects and loose connections Check that the supply cable of the pump is correctly sized 4 The motor protective circuit breaker has not tripped out but the pump is inadvert...

Страница 16: ...English GB 16 7 Drawings 7 1 CM 1 3 5 Fig 30 CM 1 3 5 stainless steel TM04 3588 4608 ...

Страница 17: ...English GB 17 Fig 31 CM 1 3 5 cast iron TM04 3591 4608 ...

Страница 18: ...English GB 18 7 2 CM 10 15 25 Fig 32 CM 10 15 25 stainless steel TM04 3828 5108 ...

Страница 19: ...English GB 19 Fig 33 CM 10 15 25 cast iron TM04 3829 5108 ...

Страница 20: ...r Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller 1 D 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 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 Cha...

Страница 21: ...F A F A F 7 A F A F A F A F A F A F 8 B F A F A F A F A F A F 9 E F B F A F A F A F A F 10 E F B F A F A F A F 11 E E F B F B F B F 12 E F A F A F 13 E E F A F 14 E E E F 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 s...

Страница 22: ...ber Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller 1 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 CM 10 15 25 stainless steel Pos 6 7 8 Chamber Impeller Chamber Impeller Chamber Impeller 1 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 ...

Страница 23: ...mps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tālr 371 714 9640 7 149 641 Fakss 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...

Страница 24: ...inking ahead makes it possible Innovation is the essence The name Grundfos the Grundfos logo and the payoff Be Think Innovate are registrated trademarks owned by Grundfos Management A S or Grundfos A S Denmark All rights reserved worldwide 96957063 1011 GB ...

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