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English (GB)

2

English (GB) 

Service instructions 

Original service instructions.

CONTENTS

Page

1. Symbols used in this document

2. Identification

This section shows the nameplate, the type key and the codes 
that can appear in the variant code.
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.

2.1 Nameplate

2.1.1 Pump nameplate

Fig. 1

Pump nameplate

2.1.2 Motor nameplate

Fig. 2

Motor nameplate

1.

Symbols used in this document

2

2.

Identification

2

2.1 Nameplate

2

2.2 Type key

3

3.

Tightening torques and lubricants

4

4.

Service tools

5

4.1 Standard tools

5

4.2 Torque tools

5

5.

Dismantling and assembly

6

5.1 General information

6

5.2 Dismantling the pump

6

5.3 Assembling the pump

7

5.4 MG 71 and MG 80 motors

8

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

8

5.6 Checking and replacing impellers and chambers

9

6.

Fault finding

10

7.

Drawings

12

7.1 CM SP 1, 3, 5

12

8.

Order of assembly for chambers and impellers

13

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.

Note

As codes can be combined, a code position may 
contain more than one code (letter).

TM

04 03

55 090

8

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

Maximum liquid temperature [°C] / [°F]

8

Insulation class

9

Motor protection

10

Rated flow [m

3

/h] / [GPM]

11

Head at rated flow [m] / [psi]

12

Maximum head [m] / [psi]

TM

04

 03

56

 09

08

Pos.

Description

1

Number of phases

2

Voltage [V]

3

Maximum current [A]

4

Rated current [A]

5

Power output [kW] / [hp]

6

Single-phase pumps only:

Capacitor size [

F] and voltage [V] 

Model

IP

T

Type

P

max

T

liq,max

bar

MPa

PSI

Q

 nom

H

 nom

H

 max

m³/h

GPM

Env

m
m

PSI
PSI

Q

 nom

H

 nom

H

 max

m³/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

I

 max

~

/

V

/

A

/

A

uF / V

kW

95120836

I

 1/1

P

2

I

 max

~

/

V

/

A

/

A

I

 1/1

P

2

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

Содержание CM SP

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 14: ...14 ...

Страница 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 ...

Страница 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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