SPX Cooling Technologies TG MAG185-125 Specific components, Fluid circuits, Nuts and bolts

Page 45

• For fluids that solidify or become very viscous

2x Be

at ambient temperature, it is best to empty

 

the pump immediately after shutting down

 

by separating it from the piping. Always wear

 

safety goggles and gloves.

 

• Protect yourself with a protective cap. The fluid may spray out of the pump.

• Open the venting plugs Be and Bb.

• If no drain line is provided, take precautions so that the liquid is not contaminating the environment.

Bb

Ba

•Open the drain plug Ba at the bottom of the pump housing.

•Let drain the liquid by gravity.

•Purge pump spaces with flush media or cleaning liquid by connecting a purge system to the following inlet openings:

- Ba, Be: plugs close to both flanges for purging the pump casing part

- Bb:

plug on top of the intermediate cover for purging the magnetic coupling

Note: If toxic liquids were pumped special precautions regarding flushing/cleaning of the pump and personal protection equipment must be taken before disassembling the pump.

•Re-assemble the plugs and close the valves, if any.

3.21.2.9Fluid circuits

•Depressurize the jackets and the retaining fluid circuits.

•Uncouple the connections to the jackets.

•If necessary, clean the jackets and the circuits with compressed air.

•Avoid any leakage of fluid or thermal oil into the environment.

3.21.3 Specific components

3.21.3.1Nuts and bolts

Nuts and bolts showing damage or parts with defective threading must be removed and replaced with parts belonging to the same fixation class as soon as possible.

•Preferably use a torque wrench for tightening.

•For the tightening torques, see table below.

 

Ma (Nm)

Plug with

 

Bolt

edge and flat

Ma (Nm)

8.8 / A4

 

seal

 

 

 

 

 

 

 

 

M6

10

G 1/8

10

M8

25

G 1/4

20

 

 

 

 

M10

51

G 1/2

50

M12

87

-

-

 

 

 

 

M16

215

-

-

Plug with edge and elastic washer

3.21.3.2Plastic or rubber components

•Do not expose components made of rubber or plastic (cables, hoses, seals) to the effects of oils, solvents, cleaning agents or other chemicals unless they are suitable.

•These components must be replaced if they show signs of expansion, shrinkage, hardening or other damage.

3.21.3.3Flat gaskets

•Never re-use flat gaskets.

•Always replace the flat gaskets and elastic rings under the plugs with genuine spares.

A.0500.551 – IM-TGMAG/02.00 EN (02/2008)

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Contents TopGear MAG EC-Declaration of conformity Contents Installation Rotor bearing assemblyGuidelines for assembly Cleaning the pumpMaintenance instructions Instructions for re-using and disposal 20.1.1Clearance adjustment Designation of threaded connections 20.1.2Pump cover and intermediate cover SS Hydraulic part Bearing bracket Jacket optionsPump cover and intermediate cover TT Pump cover and without jackets on intermediate cover TOCReception, handling and storage GeneralReception HandlingGeneral SafetyInstallation Pump unitsPump unit handling Disassembly/assembly of the coupling guard Before commissioning the pump unitName plate CE Declaration of Conformity Technical conventions Quantity Symbol UnitDifferential pressure = bar Maximum pressure at discharge flange design pressure = barExample Type designationPump family code TG = TopGear Pump range name Jacket options for pump cover 0 Pump cover without jacketsIdler pin materials Idler bush and idler materialsBushes on shaft materials Rotor and shaft materialsOperating principle Pump standard partsSound Safety relief valve Working principleGeneral performance Self-priming operationPressure Main characteristicsSound level Sound level of a pump without driveSound level of the pump unit Jacket options Maximum and minimum allowable temperatureInternals InfluencesOperation under hydrodynamic lubrication conditions Maximum temperature of internalsMaximum torque of pump shaft and rotor material combination Hyd = design constant for each pump sizeAxial and radial clearances Mass moment of inertiaExtra clearances Inner partsPlay between gear teeth Maximum size of solid particlesDiametral clearance on pin / idler bearing Magnetic coupling Components of the magnetic driveMaximum allowable temperature and nominal torque Rotor bearing assemblySamarium Cobalt SmCo 280C Neodymium Iron Boron NdFeB 120 C BelowCirculation pump Materials rotor bearing assemblySealing rings and gaskets Material circulation pump partsSafety relief valve heated spring casing Safety relief valveMaterials Working pressure classMaterials Definition and working principlePressure HeatingSpring ratio Safety relief valve Safety relief valve Relative adjustmentSectional drawings and part lists Single safety relief valveHeated spring casing InstallationOutdoor installation AccessibilityIndoor installation LocationStability DrivesStarting torque Radial load on shaft endShaft rotation Check after connecting whether the shaft can move freelySuction and discharge pipes Forces and momentsIsolating valves PipingSuction piping Self-priming operationStrainer Secondary pipingDrain lines Heating jacketsTransport of pump unit Guidelines for assemblyFoundation pump unit Jacket on pump coverShaft coupling Combustion enginesGuarding of moving parts Check temperature censor on canAlignment tolerances Belt driveCleaning suction line Cleaning the pumpInstructions for start-up Venting and fillingStart-up Checklist Initial start-upAbnormal operation Shut-downTrouble shooting Tion Maintenance instructions Instructions for re-using and disposalPreparation External cleaning Motor safetyTools Shut-downFluid circuits Specific componentsNuts and bolts Plastic or rubber componentsClearance adjustment Front pull-outBack pull-out 0600 8120 8110 8100 4000 0701 0040 0010 Designation of threaded connections Threaded connection Rp example Rp 1/2Threaded connection G example G 1/2 Disassembly of front-pull-out assembly DisassemblyDisassembly of bearing bracket Disassembly of top cover 0100 or safety relief valveTake off top cover 0100 or safety relief valve Removal of bearing bracketDisassembly of pump shaft complete Disassembly of outer magnetic rotorRemoval of ball bearings Disassembly of back-pull-out assembly Disassembly of separation canUn-tighten cap head screws 8460 and remove them Take out O-rings 81308310 8520 8510 8500 8350-D 8400 0701 Assembly of bearing bracket AssemblyTake care not to damage the outer rotor magnet Adjustment of the axial clearance Pre-assembly of the back-pull-outCirculation pump Mount axial bearing 8350-A into the insertAssembly of rotor shaft Axial clearance Assembly of the separation can Assembly of the back-pull-out assembly to the pump casingAssembly of the front-pull-out assembly Assembly of the bearing bracketMount bearing bracket support 1700 to the bearing bracket Measure the distances as indicated on the sketchAssembly of top cover 0100 or safety relief valve On the pump cover 4000 with tap boltsTighten tap bolts 1010 crosswise with Specified torque How to order spares TG MAG15-50 toTG MAG185-125 Bearing bracket Hydraulic partJacket options Jackets on pump coverJackets on intermediate cover 0220 0200 0310 0250 0240 0300 0320 0230 0210 TG MAG15-50 to 185-125 pumps Dimensional drawingsFlange connections Cast ironStainless steel Jackets Safety relief valves Jackets dimensionsSingle safety relief valve Dv dk Heated safety relief valveBracket support Weights MassCopyright 2008 SPX Corporate

TG MAG86-100, TG MAG23-65, TG MAG58-80, TG MAG15-50, TG MAG185-125 specifications

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