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GEA CONTRA CN, Инструкция по установке и эксплуатации

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Maintenance / servicing

32

BA.10A.CNY.001.01.10.GB

6. Maintenance / servicing

6.1 Safety instructions for 

maintenance, inspection and 
installation work

W A R N I N G

!

Danger of unprofessional work!

Unprofessional work can cause bodily injury or damage to the
plant and pump!

•

The operator must ensure that all maintenance, inspec-
tion, and installation work is carried out by authorised and
qualified technical personnel, who have acquired the req-
uisite knowledge through study of the operating instruc-
tions.

W A R N I N G

!

Danger of electrical shock, pressurized or hot components.

Electrical shock, pressurized or hot components can cause
death, bodily injury or damage to the plant and pump.

When correcting problems with the pump, do as follows:

•

always turn off the electrical supply!

•

release all the pressure

•

allow to cool

•

Take appropriate measures to ensure that the machine
cannot be unintentionally turned on again

As soon as the work is completed, do as follows:

•

reinstall or reactivate all safety devices and protection
measures

•

before starting the unit up again, check the points listed in
section 5.1.2. on 30

W A R N I N G

!

Danger of hazardous substances!

Hazardous substances can cause death, bodily injury or dam-
age to the plant and pump!

•

Pumps or systems which convey hazardous media must
be decontaminated!

Overview

This chapter is intended for the maintenance and repair personnel.

In this section you will get important information concerning maintenance and servicing the pump. Read this sec-
tion before you carry out maintenance work or troubleshooting measures!.

Содержание CONTRA CN

Страница 1: ...GEA Hilge GEA Hilge CONTRA CN Installation and operating instructions English Translation of the original operating manual BA 10A CNY 001 03 17 GB engineering for a better world...

Страница 2: ...inery Directive Applied harmonized standards in particular EN 809 1998 A1 AC D EN ISO 12100 2010 Remarks We also declare that the special technical documentation for this incomplete machine has been c...

Страница 3: ...d pipelines ________________________________________________12 3 3 4 Motor activation _________________________________________________________12 3 4 Design ___________________________________________...

Страница 4: ..._____ 33 6 4 1 1 Cylinder bearing greases _____________________________________________ 33 6 4 1 2 Grease quantities for roller bearings during assembly_______________________ 34 6 4 2 Bearing replace...

Страница 5: ...ied out in a specific 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 identif...

Страница 6: ...y trained personnel is required to install and maintain the pump properly 2 2 Safety instructions in the operating manual Read safety instructions The operating manual contains all basic information r...

Страница 7: ...e manner in which they are supervised If the employees do not have the necessary knowledge they must be instructed and trained accordingly This can be done if necessary by the manufacturer supplier un...

Страница 8: ...nger generated by contact with or by inhaling hazard liq uids exhalations or steams Inhaling hazardous liquids condensates or sprays can cause death serious injury or damage to the equipment Drain awa...

Страница 9: ...e given limit values may not be exceed under any circum stances 2 10 Transport WARNING Falling loads are dangerous Falling loads may cause death severe bodily injuries or prop erty damage Transport wo...

Страница 10: ...ous Materials Act GefStoffV the accident prevention regulations BGV A1 and all applicable laws rules guidelines regulations etc in the country of operation Examples of regulations on environmental pro...

Страница 11: ...l No 1 4404 or No 1 4435 with Fe 1 and the associated design standard 3A are used as specified on the order documents and certified on request from begin ning to end Overview This section describes th...

Страница 12: ...iquids Only pure or slightly contaminated liquids with a maximum particle size of 0 4 mm may be pumped These liquids may not chemically or mechanically attack the pump materials or lower their strengt...

Страница 13: ...th grievous harm or damage to the plant Use the pump only under the indicated operating condi tions Also avoid short over pressure situation e g caused by pressure surge 3 5 1 Pump denomination The HI...

Страница 14: ...e determined in accordance with DIN EN ISO 9906 appendix A class 2 and are documented on the acceptance records Fig 4 HILGE nameplate example 1 pump type 2 pump serial number 3 capacity Q 4 head H 5 m...

Страница 15: ...l SIEMENS motor Stage Motor power kW Motor size Weight kg Contra I 1 0 75 080Y 25 1 1 1 080Y 26 1 1 5 090S 27 2 1 5 090S 28 2 2 2 090L 30 2 3 100L 33 3 1 5 090S 30 3 2 2 090L 32 3 3 100L 35 3 4 112M 3...

Страница 16: ...imum permissible operating tempera tures Motor power kW Lpfa dB A Contra I II 1 Stage 2 Stage 3 Stage 4 Stage 5 Stage 6 Stage 0 75 61 62 62 64 65 65 1 1 61 62 62 65 67 69 1 5 61 62 63 65 68 70 2 2 60...

Страница 17: ...use the pump to be destroyed The pump must be operated according to the order data Never exceed the specified maximum operating pres sures Pump operating pressure The maximum permitted operating press...

Страница 18: ...ignment of the pump assembly WARNING Danger of misalignment of the pump due to an improper foun dation A misaligned pump due to an improper foundation can cause death grievous bodily harm or damage to...

Страница 19: ...the pump in this way 1 Use an engineer s spirit level laid across the machined surface of the discharge branch connection to align the assembly 2 After aligning the assembly tighten the mounting bolt...

Страница 20: ...2 2 To align the coupling proceed as follows 1 Disassemble the coupling protection 2 Place the hairline ruler on four points facing each other in 90 increments over the two halves of the coupling 3 Th...

Страница 21: ...values for radi al shift UKrzul and the difference for gap dimension US2zul zul German abbrev for permissible Size H Drill hole Size HDS Drill hole 80 30 88 30 95 42 103 42 110 48 118 48 125 55 135 55...

Страница 22: ...e manufacturer of the connecting elements used e g flanges when installing the pump in the pipeline or plant These specifications will contain data on torques maxi mum allowable angular offset and too...

Страница 23: ...erfere with the incoming flow to the pump and thus with the NPSH of the system The head of the system may not be greater than the head guaranteed by the pump The nominal pipeline diameters of the syst...

Страница 24: ...e not to re absorb warm cooling air Consider other heat sources in the area Z Keep min distances Pay attention to motor power Keep the minimum dis tances Fig 7 Installation in the pipeline above gravi...

Страница 25: ...onnection with pres sure surges in the pipework Insulation of mechanical structure borne noise in the pipework only rubber bellows expansion joints Do not install expansion joints to compensate for in...

Страница 26: ...hanical seal effec tivly CAUTION Danger of dry running Dry running will destroy the mechanical seal within seconds Connect the lines of the flushing system in that way that a liquid supply is guarante...

Страница 27: ...ection Lubrication and cooling of the mechanical seals A pure liquid compatible with the pumped liquid serves as a sealing liquid Ensure the functioning in this way 1 Open feed line of barrier liquid...

Страница 28: ...al cartridge 3 Ensure unpressurized circulation A pure liquid compatible with the pumped liquid serves as a flushing liquid In case of abrasive media provide a lost flushing i e where the flushing liq...

Страница 29: ...king of the direction of rotation fill and vent the pump Connect the motor and briefly for about 2 seconds check the direction of rotation Note the directional arrow red on the pump If the pump is tur...

Страница 30: ...eck valves in the system 5 Fill the pump together with the system 6 Vent the pump and system 7 Fully open the check valve on the suction side 8 Close the check valve on the discharge side 9 Start the...

Страница 31: ...ly What is a pressure surge A pressure surge is an abruptly pressure increasing in the system This pressure increasing can among other causes be caused by a quick blocking of the flow in the discharge...

Страница 32: ...en correcting problems with the pump do as follows always turn off the electrical supply release all the pressure allow to cool Take appropriate measures to ensure that the machine cannot be unintenti...

Страница 33: ...e of the motor See operating manual of the motor manufacturer 6 4 Maintenance of CN bearing 6 4 1 Bearing lubrication 6 4 1 1 Cylinder bearing greases Use only the cylinder bearing greases listed here...

Страница 34: ...nt for operation of the bearing under conditions normally en countered 6 4 2 Bearing replacement To ensure problem free operation of the pump replace the bearing after about 15 000 to 20 000 hours of...

Страница 35: ...on 1 0107 00 discharge casing 1 0327 00 cylindrical roller bearing 1 0112 02 diffusor casinga 1 0331 00 bearing bracket 1 0112 03 diffusor casing 1 0360 00 bearing cover 1 0112 04 diffusor casing 1 03...

Страница 36: ...492 00 locking plate 1 0890 00 bespatter 1 0516 00 locating ring 4 0901 00 hexagon head screw 1 0517 01 shroud support ring 12 0901 02 hexagon head screw 2 0554 03 washer 4 0901 03 hexagon head screw...

Страница 37: ...only O ring seals with the original dimensions Never use grease which contains mineral oil when assembling the wet end parts1 Replace mechanical seals always in complete assembly As the impeller nut...

Страница 38: ...he cylindrical roller bearing 0327 00 6 Push the outer ring of the cylindrical roller bear ing 0327 00 into the bearing bracket 0331 00 7 Push the V ring 0507 03 onto the shaft 0211 00 8 Assemble the...

Страница 39: ...ing 0840 00 Fig 17 Coupling inserts 4 Join the coupling and fix the bearing housing 0330 00 onto the baseplate 0860 00 Use washers 0554 02 and hexagon head screws 0901 02 to do this Screw in the fixin...

Страница 40: ...seal back to back K 0072V1 Fig 26 Double mechanical seal tandem B3 seat K 0070V1 Parts can differ from the shown picture insignifi cantly For further descriptions of mechanical seals see supplemental...

Страница 41: ...GB 6 6 3 Different fixing of seal cartridge The assembly of the seal cartridge 0491 00 used for the dou ble mechanical seal is very similar between Contra I and Con tra II Fig 27 Fixing of seal cartr...

Страница 42: ...back side of the discharge casing 0107 00 Use Kl berpaste UH1 96 402 from HILGE as sembly tool kit for this pos 6 fig 81 on 56 Fig 29 Discharge casing back side 4 Assemble the discharge casing 0107 0...

Страница 43: ...se installation sleeve from HILGE assembly kit pos 12 fig 81 to do this Fig 34 Stationary ring of the mechanical seal 8 Slide the rotating part of the mechanical seal 0433 00 in complete assembly onto...

Страница 44: ...page 42 2 Insert the O ring 0412 01 into the seal cartridge 0491 00 Fig 37 Seal cartridge with O ring 3 Press the seal cartridge 0491 00 into the seat of the discharge casing 0107 00 Fig 38 Discharge...

Страница 45: ...bly screws in order to fix the discharge casing 0107 00 while mounting So you avoid that the casing falls on the shaft Fig 42 Assembly screw 7 Spray the stationary ring of the mechanical seal 0433 01...

Страница 46: ...chanical seal assembly tandem seal arrangement read on at step 13 back to back seal arrangement read on at step 1 on page 48 13 Screw the studs 0904 02 one to two turns into the locating ring 0516 00...

Страница 47: ...19 Insert the O ring 0412 01 into the seal cover 0471 00 Fig 52 Seal cover 20 Fix the seal cover 0471 00 to the discharge cas ing 0107 00 by means of the hexagon head ster ile screws 0918 00 For tight...

Страница 48: ...kit pos 3 fig 81 onto the shaft exten sion That way you avoid damages to the mechanical seal during the further assembly 3 Spray the assembly sleeve with clean water Use spray bottle from HILGE assem...

Страница 49: ...into the hexagon head sterile screws 0918 00 Fig 59 Hexagon head sterile screw 8 Fix the seal cover 0471 00 to the discharge cas ing 0107 00 by means of the hexagon head ster ile screw 0918 00 9 For...

Страница 50: ...and the casings in this way Please note The part numbers given in the following instructions may be found in tab Tabelle 11 1 Insert key 0940 00 Fig 61 Key 2 Grease the pump shaft 0211 00 3 Use Kl be...

Страница 51: ...th a threaded insert take the following into account As the impeller nut is being fitted it must be pos sible to feel the self locking action It must be possible to tighten the nut without any problem...

Страница 52: ...er fastening aid from the HILGE assembly tool kit fig 81 Contra II position 13 a b Contra I position 13 c d Place the plastic insert first followed by the metal plate Fig 75 Impeller fastening aid 17...

Страница 53: ...1 Fig 78 Suction cover 21 Fit the washers 0934 03 and the hexagon nuts 0927 00 Tighten the nuts 0927 00 To tighten the nuts properly use a torque adjust ment of 20 Nm Fig 79 Suction cover nuts Tighten...

Страница 54: ...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 to be lower than that stated dec...

Страница 55: ...g 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 Re pack the stuffing box 7 Use an...

Страница 56: ...and 30 z 2 spray bottle z z 12c plastic adapter 28 z 5 ejector for mechanical seal stationary ring z z 12d mechanical seal installation sleeve 19 and 22 z 6 Kl ber paste UH1 84 201 z z 12d plastic ada...

Страница 57: ...nown ________________________________________________ The pump was carefully drained and also cleaned inside and out before it was shipped made available please mark with a cross ___ No special safety...

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Страница 60: ...955 gea com Excellence Passion Integrity Responsibility GEA versity GEA Group is a global engineering company with multi billion euro sales and operations in more than 50 countries Founded in 1881 the...

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