Grundfos A Series Скачать руководство пользователя страница 1 | Manualshive

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Service instructions

CRE 1, CRE 3 and CRE 5

Model A

50/60 Hz

1/3~

96547191 0407

GB

1 / 15

Type identification ........................................................................................................................... 2

Nameplate ........................................................................................................................................................... 2

Type key .............................................................................................................................................................. 3

Tightening torques and lubricants................................................................................................. 4

Service tools .................................................................................................................................... 5

Special tools ........................................................................................................................................................ 5

Standard tools...................................................................................................................................................... 6

Torque tools......................................................................................................................................................... 6

Dismantling and assembly ............................................................................................................. 7

General ................................................................................................................................................................ 7

Replacement of motor ......................................................................................................................................... 8

Replacement of shaft seal ................................................................................................................................... 9

Dismantling and assembly of pump main parts ................................................................................................. 10

Dismantling and assembly of chamber stack .................................................................................................... 11

Dismantling and assembly of base and pump head .......................................................................................... 12

Checking and replacing parts ............................................................................................................................ 13

Order of assembly for chambers and impellers ......................................................................... 14

CRE 1 and CRE 3.............................................................................................................................................. 14

CRE 5 ................................................................................................................................................................ 15

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2
3
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Содержание A Series

Страница 1: ... 3 2 Standard tools 6 3 3 Torque tools 6 4 Dismantling and assembly 7 4 1 General 7 4 2 Replacement of motor 8 4 3 Replacement of shaft seal 9 4 4 Dismantling and assembly of pump main parts 10 4 5 Dismantling and assembly of chamber stack 11 4 6 Dismantling and assembly of base and pump head 12 4 7 Checking and replacing parts 13 5 Order of assembly for chambers and impellers 14 5 1 CRE 1 and CRE...

Страница 2: ... of production 13 Head against closed valve 60 Hz 5 Production year and week 14 Rated flow rate 60 Hz 6 P2 50 Hz 15 Head at rated flow rate 60 Hz 7 Speed 50 Hz 16 Maximum pressure and temperature 8 Head against closed valve 50 Hz 17 Country of production 9 Rated flow rate 50 Hz 18 Direction of rotation CCW counterclockwise Model 50Hz 60Hz m m m o bar C 3 m h 96439820 1 min 1 min n n kW kW P2 P2 Ty...

Страница 3: ...DIN ANSI and JIS flange Code for pump materials A Pump head and base Cast iron Other wetted parts Stainless steel DIN W Nr 1 4301 Code for rubber parts E EPDM V FKM Code for shaft seal HUBE V Balanced cartridge seal rotating face tungsten carbide stationary seat resin impregnated carbon O rings see code for rubber parts HUUE V Balanced cartridge seal rotating face tungsten carbide stationary seat ...

Страница 4: ...2 18 Air vent screw spindle 1 M8 35 3 Soapy water 23 Plug 1 35 25 Drain plug with bypass valve spindle 1 M10 35 5 26 Staybolt 4 M12 THREAD EZE 28 Hexagon head screw 4 M6 10 THREAD EZE M8 12 M12 40 35 Hexagon head screw 4 M10 23 THREAD EZE 36 Nut 4 M12 50 THREAD EZE 37 O ring 2 ø137 5 x 3 3 Rocol 22 47a Bearing ring See 5 Order of assembly for chambers and impellers Rocol 22 67 Lock nut 1 M8 18 Gar...

Страница 5: ...os Suppl information Part no A Shaft holder for assembly SV0040 B Tubular box spanner for shaft seal 105 SV2007 C Puller 65 SV0239 D Circlip pliers not used for CR SV2014 E Tool for outer sleeve 55 V7170478 F Tool for corrugated spring 60 V7170227 G Tool for O ring 37 V7170230 ...

Страница 6: ...23 25 M16 24 mm SV0122 Pos Description For pos Suppl information Part no L Torque wrench N O 4 20 Nm 9 x 12 SV0292 20 100 Nm 9 x 12 SV0269 40 200 Nm 14 x 18 SV0400 M Torque screwdriver J 1 6 Nm 1 4 SV0438 N Ratchet insert tool L O P 9 x 12 1 2 SV0295 O Ring insert tool 28 L M6 10 mm 9 x 12 SV0310 28 L M8 13 mm 9 x 12 SV0294 28 L M10 17 mm 9 x 12 SV0270 36 L M12 19 mm 9 x 12 SV0271 18 23 25 L M16 2...

Страница 7: ...s if fitted to avoid draining the system Remove the electric cable in accordance with local regulations Note the centre of gravity of the pump to prevent it from overturning This is especially important in the case of long pumps 4 1 2 Before assembly Clean and check all parts Order the necessary service kits Replace defective parts by new parts Gaskets and O rings should always be replaced when th...

Страница 8: ... Fit the screws pos 28 and tighten diagonally to the correct torque 3 Fit the shaft pin pos 10 into the shaft pin hole 4 Fit the coupling halves pos 10a on the shaft and fit the screws pos 9 Tighten the screws and leave loose Check that the gaps either side of the coupling halves are equal 5 Tighten the screws pos 9 diagonally to the correct torque Check that the gaps either side of the coupling h...

Страница 9: ...s 10 into the shaft pin hole and fit the coupling halves pos 10a on the shaft Fit the screws pos 9 tighten and leave loose Check that the gaps either side of the coupling halves are equal See fig 2 6 Fit the motor to the pump head 7 Fit the screws pos 28 and tighten diagonally to the correct torque 8 Insert a suitable screwdriver between the bottom of the coupling and the shaft seal and raise the ...

Страница 10: ...is removed with the chamber stack loosen it from the chamber stack otherwise loosen it from the base pos 6 4 4 2 Assembly 1 Fit the chamber stack in the base The smooth shaft end must be upwards 2 Fit the outer sleeve pos 55 in the base and press it home in the base using the tool pos E The O ring pos 37 must be lubricated See 2 Tightening torques and lubricants 3 Press the top guide vanes dischar...

Страница 11: ...ers 4 5 2 Assembly 1 Place the shaft holder pos A in a vice but do not tighten the vice 2 Fit the shaft pin pos 10 into the shaft pin hole and place the shaft in the shaft holder pos A Tighten the vice 3 Fit the components on the shaft impeller chamber spacing pipe and bearing ring See 5 Order of assembly for chambers and impellers 4 Fit the clamp pos 64c the washer pos 66 and the nut pos 67 Tight...

Страница 12: ...e O ring pos 37 using the tool pos G See fig 6 Fig 6 2 Fit the flange connection if any Oval flange Fit the gasket pos 39 the flange pos 12 and the screws pos 35 3 Lubricate the threads of the staybolts see 2 Tightening torques and lubricants and fit the staybolts in the base pos 6 Tighten the staybolts using your fingers 4 Fit the O ring pos 38 on the drain plug pos 25 and fit the plug into the b...

Страница 13: ...ced when the chamber stack is dismantled 1 Prise the retainer for neck ring pos 65 up and free of the chamber using the puller pos C 2 Remove the neck ring pos 45 3 Fit a new neck ring into the chamber See fig 8 4 Press a new retainer for neck ring down on the neck ring and into the chamber It must be possible to move the neck ring freely sideways between the retainer and the chamber Bearing rings...

Страница 14: ...tage survey table 2 Find the components of each stage in the symbol survey 5 1 CRE 1 and CRE 3 TM02 0445 1701 2 4 5 7 15 19 21 23 31 36 6 13 17 33 29 27 25 CR CRI CRN 1 3 9 8 7 6 5 4 1 3 2 3 10 8 12 11 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 30 66 64c 67 4a 47a 64a 4 49 64 64 4 49 49 Symbol survey Stage survey ...

Страница 15: ...36 6 13 15 32 26 24 22 CR CRI CRN 5 9 8 7 6 5 4 1 3 2 3 10 8 12 11 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 49 67 64c 64d 66 66 64c 67 49 49 69 64a 47a 4a 4a 47a 64a 49 69 49 64 4 4 64 49 Symbol survey Stage survey ...

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