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28

6. Remove the impeller 49.

Fig. 17 

Impeller

7. Remove the key 11 out of the pump shaft 51.

Fig. 18 

Key

*

If the area under the impeller has become soiled, 
remove the soil with chemical solutions and water 
rinses with the aid of one or more of a combination 
of brushes, non-metallic scouring pads and 
scrapers.

8. Remove (do not discard) the seal spacer 61 

from pump shaft 51.
This seal spacer applies to an open spring 
mechanical seal only.

Fig. 19 

Seal spacer

9. Remove the O-ring 109 out of the seal spacer 

61.

Fig. 20 

O-ring

10. Remove the O-ring 72a.

Fig. 21 

O-ring

11. Remove rotary ring of the mechanical seal 105.

Spray clean water on to the pump shaft 51 to do 
this.

Fig. 22 

Rotary mechanical seal

*

Lubricating the shaft with clean water may help the 
seal slide along the shaft. If the area under the 
mechanical seal has become soiled, remove the 
soil with chemical solutions and water rinses with 
the aid of one or more of a combination of brushes, 
non-metallic scouring pads and scrapers

  

 

  

   

 

  

 

Summary of Contents for FB 10/40

Page 1: ...GRUNDFOS INSTRUCTIONS FB Installation and operating instructions...

Page 2: ......

Page 3: ...________________________________12 3 3 2 Minimum flow rate Qmin___________________________________________________12 3 3 3 Connections and pipelines ________________________________________________12...

Page 4: ...__________________________ 26 6 4 3 Disassembly of the pump _________________________________________________ 27 6 4 4 Assembly of the pump ___________________________________________________ 30 6 5 T...

Page 5: ...c sequence are numbered in the corresponding order Important information and helpful tips are identified with the index finger symbol Safety instructions The system used to identify safety instruction...

Page 6: ...e for the pump must therefore read this manual before installing and starting the pump The operating manual must always be available at the site where the pump is being used Both safety instructions p...

Page 7: ...ch has been switched off It must be ensured that the electricity supply cannot be accidentally switched on 2 4 Qualifications and training of personnel The employees operating maintaining inspecting a...

Page 8: ...before next start up CAUTION Tripping hazard from electric power cable S Death serious bodily injury Z Route the electric power cable in such a way that no one can trip over it in case of portable pu...

Page 9: ...izontally when it is lifted ATTENTION Incorrect lifting points S Damage to property Z Fasten the rope to suitable lifting points Z Never fasten a rope to the pump casing or suction discharge branch 2...

Page 10: ...al protection means that all commercial enterprises must protect their employees the public at large and the environment from the harmful effects of hazardous materials Example of legal regulations on...

Page 11: ...ard design Pumps of the standard design are typically used for systems and processes involved in the food product dairy and beverage industries Overview This section describes the pump and it s design...

Page 12: ...necting elements to the pump must conform exactly to the design standard specification of the mating connector piece installed on the pump The suction line must be absolutely leak tight and laid in su...

Page 13: ...surface finish E EPDM V FKM A o ring seal with enclosed spring enclosed spring seal required for 3 A compliance C o ring seal with open spring driver for non sanitary industrial applications only Q q...

Page 14: ...ly injury damage to property Z Never exceed the specified operating temperatures 3 4 5 Maximum operating pressure WARNING Pressure overload S Damage to property Z Never exceed the specified maximum op...

Page 15: ...ort the pipeline Z In addition to the general rules of machine building and plant construction also follow the instructions provided by the manufacturer of the connecting elements used e g flanges whe...

Page 16: ...head of the system may not be greater than the head guaranteed by the pump Z The nominal pipeline diameters of the system should be equal to or greater than the DNS or DND connectors of the pump Z A f...

Page 17: ...sure not to re absorb warm cooling air Consider other heat sources in the area Pay attention to motor power Keep the minimum distances Fig 6 Installation in the pipeline above gravity feed mode below...

Page 18: ...tightness of connections 4 4 Electrical connections WARNING Electric shock S Death serious bodily injury Z The electrical connections must be made by a qualified electrician Z Specifications and any...

Page 19: ...tion side 8 Close the control valve on the discharge side 9 Start the pump 10 Slowly open the control valve on discharge side CAUTION Overheating and pressure overloading S Damage to property Z Never...

Page 20: ...w in the discharge pipe In case of a pressure surge the pressure is rised to many times of the max permitted pump pressure Shut down the pump in this way 1 Close the control valve on the discharge sid...

Page 21: ...to the plant and pump Z Depressurize the pump before eliminating any breakdown WARNING Hot components S Death bodily injury or damage to the plant and pump Z Always allow to cool down before eliminat...

Page 22: ...ort surfaces and other auxiliary materials must ensure that all parts of the pump can be assembled without damage e g scratches See chapter 6 7 CAUTION Frost S Damage to property Z When there is dange...

Page 23: ...sassembly 6 4 1 Parts Overview See parts list on page 24 Fig 9 Overview FB K 0348V2 9 9c 10a 10b 11 51 310 151b 90a 90f 90b 90j 90h 6 67 66 67b 49 105 72a 92b 93 23d 28 92a 94c 94 76a 76 23 23d 7a 7 2...

Page 24: ...elastomer individually packaged part see tab 3 line 7 10 seal kit see tab 4 line 1 and 3 1 72a O Ring elastomer individually packaged part see tab 3 line 7 10 1 76 name plate 2 76a round head grooved...

Page 25: ...individually packaged FKM o ring Pos 72a 96942035 96942036 Tab 3 Service component kits Line Seal assemblies spring type enclosed spring open spring seal typea ASCE ASCV AQQE AQQV CSCE CSCV CQQE CQQV...

Page 26: ...it in order to assemble the pump without damage and scratches Z To guarantee a good seal use only O ring seals with the original dimensions Z Never use grease which contains mineral oil when assemblin...

Page 27: ...Remove clamp ring assembly 92a 92b Fig 13 Clamp ring 3 Unscrew the hexagon head screw 7a and remove the coupling guard 7 Fig 14 Coupling guard 4 Unscrew impeller nut 67 Use a socket wrench pos 4 or 5...

Page 28: ...ies to an open spring mechanical seal only Fig 19 Seal spacer 9 Remove the O ring 109 out of the seal spacer 61 Fig 20 O ring 10 Remove the O ring 72a Fig 21 O ring 11 Remove rotary ring of the mechan...

Page 29: ...quenched seal is fitted spray clean water on the shaft to assist the lip seal to slide along the shaft Remove the motor stool 2 from the motor Fig 24 Motor stool 14 Remove the lip seal 105c out of th...

Page 30: ...ons and water rinses with the aid of one or more of a combination of brushes non metallic scouring pads and scrapers See page 37 for the optional assembly tools mentioned in the following description...

Page 31: ...on the shaft The enclosed spring mechanical seal has the spacer built into the drive sleeve portion of the mechanical seal so this drive sleeve can be used in place of the spacer 61 when setting the...

Page 32: ...nnection and assemble it again or use an appropriate tool to adjust soft mallet Fig 40 Sensing head 20 Spray clean water onto the pump shaft 51 to assist the seal assembly 21 Push the stationary ring...

Page 33: ...impeller 66 impeller lock washers fine teeth facing outwards coarse teeth together 67 impeller nut 67b O ring 31 Grease the thread of the pump shaft 51 Recommend Kl berpaste UH1 96 402 or equivalent F...

Page 34: ...it level Fig 52 Adjusting pump housing 38 Assemble the upper and lower clamp ring 92a and 92b onto the housing motor stool Use a soft hammer mallet to tap the clamp ring into place ensuring it sits pr...

Page 35: ...ix the problem 2 Install the pump so that there is no stress on it Support the pipelines at fixed points 3 Set the operating point according to the data sheet 4 If it is acceptable for the performance...

Page 36: ...ect and clean the rotating mechanical seal 4 Replace mechanical seal 5 Tighten the stuffing box packing add more packing or replace the packing 6 Replace the shaft or the shaft safety sleeve 7 Use an...

Page 37: ...mp tool kit K 0390V1 Position Description Part no 1a Seal assembly sleeve 19mm 97513481 1b Seal assembly sleeve 28mm 97513482 2 Seal ring ejector tool 97513483 3 Kl berpaste UH1 96 402 97513484 4 32 x...

Page 38: ...1 Certificate of cleanliness Fig 56 Certificate of cleanliness Overview This section gives information concerning the certificate of cleanliness In case of inspection or repairing send the pump inclu...

Page 39: ...by the manufacturer of said products and not by Grundfos warranty Grundfos will not be liable for damage or wear to products caused by abnormal operating conditions accident abuse misuse unauthorized...

Page 40: ...GRUNDFOS INSTRUCTIONS L FB TL 001 02 10 US 10 09 www grundfos com Being responsible is our foundation Thinking ahead makes it poss ble Innovation is the essence...

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