Grundfos CM SP Service Instructions Manual Download | Manualshive

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English (GB)

12

7. Drawings

7.1 CM SP 1, 3, 5

Fig. 11

CM SP 1, 3, 5

TM0

5

883

6

3

4

1

3

45

65

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Summary of Contents for CM SP

Page 1: ...CM SP Self priming Service instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ...nstructions 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 Note As codes can be combined a code position may contain more than one code letter TM04 0355 0908 Pos Description 1 Pump type 2 Pump model 3 Environm...

Page 3: ... voltage S Self priming version max suction lift 4 metres A 1 x 220 V 60 Hz Pipe connection C 1 x 220 240 V 50 Hz R Whitworth thread Rp ISO 7 1 Material of secondary seal Materials in contact with pumped liquid E EPDM ethylene propylene I Sleeve EN 1 4301 AISI 304 Material of stationary seat Pump shaft EN 1 4301 AISI 304 B Carbon resin impregnated Impellers chambers EN 1 4301 AISI 304 Q Silicon ca...

Page 4: ... 64f Rubber seal 1 Sapphire Aqua Sil 67 Locking 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 Sapphire Aqua Sil 152 Screw 2 M4 x 8 2 7 3 3 4 M5 x 12 3 5 4 155 Bearing cover plate 1 Sapphire Aqua Sil 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 Sapphire Aq...

Page 5: ... 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 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 to...

Page 6: ... and lubricants 5 2 Dismantling the pump 1 Remove staybolts pos 26 2 Remove clamping flange pos 6a and sleeve pos 16 3 Remove O ring pos 5c and water trap pos 5b 4 Remove the two empty chambers pos 4f 5 Remove valve chamber pos 4e 6 Remove spring valve pos 5e and 5d from valve chamber pos 4e 7 Remove spring pos 5e from base pos 5d 8 Hold clamp pos 64c and remove nut pos 67 by using both tools D 9 ...

Page 7: ...bber seal pos 64f in rubber seal retainer pos 64g and impeller pos 49 and slide it on the shaft 10 Fit short spacing pipe pos 64a 11 Fit remaining spacing pipes pos 64 chambers pos 4 and impellers pos 49 12 Fit clamp pos 64c lock washers pos 66 and nut pos 67 See fig 7 Fig 7 Correct fitting of lock washers 13 Hold clamp pos 64c and tighten nut pos 67 See section 3 Tightening torques and lubricants...

Page 8: ... MG 112 and MG 132 motors Dismantle the pump before dismantling the motor See section 5 2 Dismantling the pump 5 5 1 Dismantling the motor 1 Remove screws pos 152 2 Remove fan cover pos 151 3 Remove fan pos 156 and seal ring pos 159a 4 Remove staybolts pos 181 5 Remove motor flange pos 156b gasket pos 157a and bearing cover pos 156a 6 Remove diverting disc pos 79 O ring pos 158a and bearing cover ...

Page 9: ...ce wear rings pos 45 and wear ring retainers pos 65 when the chamber stack is dismantled 1 Press 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 10 4 Press a new wear ring retainer on the wear ring and in the chamber It must be possible to move the wear ring freely sideways between the retainer and the ...

Page 10: ...eaker 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 inadvertently out of operation a See 1 a b d and 2 e 5 The pump performance is unstable a Pump inlet pressure i...

Page 11: ... is reached 10 The pump runs backwards when switched off a Leakage in suction pipe See 5 c b Foot or non return valve are defective See 6 c c Foot valve is stuck in completely or partly open position See 6 c 11 The pump runs with reduced performance a Wrong direction of rotation Three phase pumps only Switch off the power supply with the external circuit breaker and interchange two phases in the p...

Page 12: ...English GB 12 7 Drawings 7 1 CM SP 1 3 5 Fig 11 CM SP 1 3 5 TM05 8836 3413 45 65 ...

Page 13: ...scription Pos see drawing fig 11 Chamber cpl with ribs and guide vanes A 4d Chamber cpl B 4 Valve chamber C 4e Chamber empty D 4f Impeller E 49 CM SP 1 3 5 Number of impellers 3 4 5 6 7 Pos Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller Chamber Impeller 1 A E A E A E A E A E 2 B E B E B E B E B E 3 C E B E B E B E B E 4 D C E B E B E B E 5 D D C E B E B E 6 D D C E B E 7 D D C...

Page 14: ...14 ...

Page 15: ...n Phone 81 35 448 1391 Telefax 81 35 448 9619 Korea GRUNDFOS Pumps 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 ...

Page 16: ...31478 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos Holding A S www grundfos com ...

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