Grundfos CR 1 A Service Instruction Download | Manualshive

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CR, CRI, CRN 1, 3, 5 Model A

50/60 Hz 1/3~

Service instructions

GRUNDFOS

INSTRUCTIONS

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Summary of Contents for CR 1 A

Page 1: ...CR CRI CRN 1 3 5 Model A 50 60 Hz 1 3 Service instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ......

Page 3: ...CR CRI CRN 1 3 5 Model A English GB Service instructions 4 3 Table of contents ...

Page 4: ...wing way SIGNAL WORD Description of the hazard Consequence of ignoring the warning Action to avoid the hazard 1 2 Notes The symbols and notes below may appear in Grundfos installation and operating instructions safety instructions and service instructions Observe these instructions for explosion proof products A blue or grey circle with a white graphical symbol indi cates that an action must be ta...

Page 5: ...os with details about the pumped liquid before returning the product for service Otherwise Grundfos can refuse to accept the product for service Any application for service must include details about the pumped liquid Clean the product in the best possible way before you return it Costs of returning the product are to be paid by the customer 1 5 Servicing the motor Grundfos MG and MGE motors Servi...

Page 6: ...tighten them to the correct torque 3 Fit the shaft pin 10 into the shaft pin hole 4 Fit the coupling halves 10a on the shaft and fit the screws 9 Tighten the screws and leave loose Check that the gaps on either side of the coupling halves are equal 5 Cross tighten the screws 9 to the correct torque Check that the gaps on either side of the coupling halves are equal See the figure below TM020462 6 ...

Page 7: ...nto the recess of the top chamber 4 Fit the pump head on the pump with the vent screw 18 in the direction required The O ring 37 must be lubricated 5 Lubricate the threads of the staybolts 6 Fit the washers 66a and the nuts 36 7 Cross tighten the nuts 36 to the correct torque Related information 3 2 Torques 3 2 1 Lubricants 2 5 Dismantling and assembling the chamber stack 2 5 1 Dismantling 1 Remov...

Page 8: ...he threads of the staybolts Fit the staybolts in the base 6 Tighten the staybolts using your fingers 4 Fit the O ring 38 on the drain plug 25 and fit the plug into the base Related information 3 2 Torques 3 2 1 Lubricants 2 6 4 Assembling the CR pump head 1 Fit the O rings 100 on the vent screw 18 and the plug 23 Fit the screw and the plug into the pump head 2 Fit the corrugated spring 60 in the p...

Page 9: ... dismantled 1 Prise the retainer for the neck ring 65 up and free of the cham ber using the puller C 2 Remove the neck ring 45 3 Fit a new neck ring into the chamber See the figure below 4 Press a new retainer for a 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 Check if there is a vi...

Page 10: ...es X Code for pump version A Basic version U NEMA version X Code for pipe connection A Oval flange CA FlexiClamp coupling FGJ DIN ANSI and JIS flange P PJE coupling X Code for pump materials A Pump head and base Cast iron Other wetted parts Stainless steel DIN W Nr 1 4301 I All wetted parts Stainless steel DIN W Nr 1 4301 G All wetted parts Stainless steel DIN W Nr 1 4401 X Code for rubber parts E...

Page 11: ... CR CRI CRN 1 3 4 2 CR CRI CRN 5 5 Order of assembly for chambers and impellers 3 2 1 Lubricants Pos Description Lubricant 9 Hexagon socket head screw THREAD EZE 26 Staybolt CR Staybolt CRI 28 Hexagon head screw 35 Hexagon head screw 36 Nut CR Nut CRI 18 Vent screw spindle Soapy water 23 Plug 25 Drain plug with bypass valve spindle 26 Staybolt CRN Gardolube L 6034 36 Nut CRN 67 Lock nut 37 O ring ...

Page 12: ... ring 37 CRI CRN V7170230 G Torque wrench N O 4 20 Nm 9 x 12 mm SV0292 20 100 Nm 9 x 12 mm 40 200 Nm 14 x 18 mm H Torque screwdriver J 1 6 Nm 1 4 I Ratchet insert tool L O P 9 x 12 mm 1 2 J Ring insert tool 28 L M6 10 mm 9 x 12 mm 28 L M8 13 mm 9 x 12 mm 28 L M10 17 mm 9 x 12 mm 36 L M12 19 mm 9 x 12 mm 18 23 25 L M16 24 mm 9 x 12 mm K Hexagon socket driver 9 N M6 5 mm x M8 6 mm x M10 8 mm x L Soc...

Page 13: ...CRN 1 3 Exploded view 25 38 35 12 39 37 6 25 38 37 6 55 45 65 5a 64c 66 67 49 47a 45 65 4a 64a 49 80 45 65 4 64 49 51 50a 37 60 7 7a 100 23 23b 23a 2 28 26 76 76a 36 66a 18 100 7 7a 10a 8 9 10 105 113 TM020210 13 English GB ...

Page 14: ...Sectional drawing 67 66 5a 65 45 4 65 45 45 65 4a 50a 51 49 64 64a 47a 80 25 38 2 7 28 55 37 18 100 105 8 10a 9 10 60 64c 6 37 TM020211 14 English GB ...

Page 15: ...view 26 105 28 36a 2 45 65 4a 5a 65 45 4 65 45 64a 49 64 4 65 45 49 64 49 69 66 49 47a 64d 64c 67 50a 51 80 10a 8 9 10 36 66a 76a 76 18 7 7a 23 7 7a 100 60 28 2 37 100 77 55 6 37 25 37 6 38 38 25 39 12 35 TM020216 15 English GB ...

Page 16: ...Sectional drawing 67 66 64c 5a 65 45 4 65 45 45 65 4a 50a 51 69 49 64 64a 47a 64d 80 25 6 38 2 7 28 55 37 18 100 105 60 8 10a 9 10 37 TM020217 16 English GB ...

Page 17: ...nd the components of each stage in the symbol survey 5 1 CR CRI CRN 1 3 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 TM020445 Stage survey top symbol survey bottom 17 English GB ...

Page 18: ...R 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 TM020444 Stage survey top symbol survey bottom 18 English GB ...

Page 19: ...6th Floor 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 Gle...

Page 20: ...ademarks displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2022 Grundfos Holding A S all rights reserved ...

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