Sandpiper TSA2 Manuale Utente Scaricare il pdf (Pagina 15)



tsa2mdl5sm-rev0314

www.sa n dpiper p ump.co m

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Step 1: With manifolds and outer chambers

removed, remove diaphragm assemblies from

diaphragm rod. useapipewrenchorsimilar

tooltoremoveassemblyfromrod.Flawsintherod

surfacemaydamagebearingsandseal.Softjaws

in a vise are recommended to prevent diaphragm

rod damage.

Step 1.A: Notallinnerdiaphragmplates

arethreaded. Some modelsutilize a through hole

intheinnerdiaphragmplate.Ifrequiredtoseparate

diaphragm assembly, place assembly in a vise,

gripping on the exterior castdiameter of the inner

plate.Turntheouterplateclockwisetoseparatethe

assembly.

Alwaysinspect diaphragms for wear cracks or

chemicalattack.Inspect inner andouterplates for

deformities,rustscaleandwear.Inspectintermediate

bearingsforelongationandwear.Inspectdiaphragm

rodforwearormarks.

Clean or repair if appropriate. Replace as required.

Step 2: Reassembly:Therearetwodifferenttypes

ofdiaphragmplateassembliesutilizedthroughoutthe

Sandpiperproductline:Outerplatewithathreaded

stud, diaphragm, and a threaded inner plate.

Outerplate with athreaded stud, diaphragm, and

aninner plate withthrough hole. Secure threaded

innerplateinavise.Ensurethattheplatesarebeing

installedwiththeouterradiusagainstthediaphragm.

Step 3:Lightlylubricate,withacompatiblematerial,

the inner faces of both outer and inner diaphragm plates

whenusingonnonOverlaydiaphragms(ForEPDM

waterisrecommended).Nolubricationisrequired.

Step 4: Pushthe threaded outer diaphragm

plate through the center hole of the diaphragm.

Most diaphragms areinstalled with the

naturalbulge out towardsthe fluid side. S05,

S07,and S10 non–metallicunits areinstalled

withthe natural bulgein towards theair side.

Step 5: Thread or place, outer plate stud into

theinner plate. For threaded innerplates, use a

torquewrench to tighten the assembly together.

Torquevaluesarecalledoutontheexplodedview.

Repeat procedure for second side assembly.

Allowa minimum of 15minutes to elapseafter

torquing,thenre-torquetheassemblytocompensate

forstress relaxation in theclamped assembly.

Step 6: Thread one assembly onto the diaphragm

rodwithsealing washer (whenused)and bumper.

Step 7: Install diaphragm rod assembly

into pump and secure by installing the outer

chamberin place and tightening thecapscrews.

Step 8: On opposite side of pump, thread the

remainingassemblyontothediaphragmrod.Usinga

torquewrench,tightentheassemblytothediaphragm

rod.Aligndiaphragmthroughboltholes,alwaysgoing

forwardpasttherecommendedtorque.Torquevalues

arecalledoutontheexplodedview. reverse

to align holes, if alignment cannot be achieved

withoutdamage to diaphragm, loosencomplete

assemblies, rotate diaphragm and reassemble as

described above.

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IMPORTANT

Read these instructions completely,

before installation and start-up.

It is the responsibility of the

purchaser to retain this manual for

reference. Failure to comply with

the recommendations stated in this

manual will damage the pump, and

void factory warranty.

UNIVERSAL ALL SP

5: WET END

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Sandpiper TSA2 Manuale Utente Pagina 15

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