Arrow 1750 DIGITAL User manual

260

ENNSYLVANIA

ILLSIDE

07205

TEL: 908-353-5233 -- FAX: 908-353-8362

EMAIL: [email protected]

Website - http://www.arrowmixingproducts.com

Arrow 1750 D I G I T A L

OPERATING INSTRUCTIONS EN

Conforms to

UL STDs 61010-1 & 61010-2-051

Certified to

CSA STDs C22.2

No. 61010-1-12 & 61010-2-51

0000000



A B C D (behind unit)

E F

G H

Fig. 1 see Fig. 2

OPERATING INSTRUCTIONS

1. Set variable speed control knob (A) to min.

2. Set power switch (B) to “off” position

3. Plug in unit into outlet specified on label (E)

4. Set power switch (B) to “on position”

5. Slowly turn variable speed control knob (A)

clockwise to desired speed

SHUT-DOWN INSTRUCTIONS

1. Set variable speed control knob (A) to min.

2. Set power switch (B) to “off” position

3. Unplug unit from outlet

A) Variable Speed Control Knob

B) Power Switch

C) Digital Speed Display (rpm)

D) Manually Resettable Circuit Breaker (behind unit)

-Gently Press Button on Back to Reset Breaker

E) Voltage and Cycle Requirements for Unit

F) Amperage Draw of Unit

G) Model Number

H) Unique Serial Number of your Unit*

I) Motor Brush Housing (x2)

Motor Spec 1/14 HP

–

120 vac 60 hz

Speed Range 0-2000 rpm

Torque Constant** 2.25 in-lb / 36 in-oz

Shipping Weight 10 lbs. / 4.5 kg

Shipping Dimensions 14” x 12” x 7”

* Please reference this serial number (H) when ordering

replacement parts

** Torque value at maximum rpm

Coupling Chuck

g. 2

(optional)

Attaching a Coupling or a Chuck to the Mixer Unit

When attaching a chuck or coupling, always align and tighten

the set screws, (J) see Fig. 3, only onto the flat surface of the

motor shaft (shaded area) see Fig. 2.

Failure to do so could cause damage to the shaft and prevent

the coupling or chuck from being removed.

Fig. 3

SHAFT-COUPLING-PROPELLER

ASSEMBLY

As with the motor shaft, always

align and tighten the set screws,

(K) see Fig. 3, only onto the flat

surface of the propeller shaft.

When removing the propeller,

grasp shaft tightly, preferably in a

vise, and gently tap the propeller

counterclockwise at the base of

the blade (L). The propeller is

threaded onto the shaft.

L (propeller style varies by model)



SAFEFTY INSTRUCTIONS

Readtheoperatinginstructionsinfullbeforestarting

upandfollowthesafetyinstructions.

•Keeptheoperatinginstructionsinaplacewhereitcanbe

accessedbyeveryone.

•Ensurethatonlytrainedstaffworkwiththeinstrument.

•Followthesafetyinstructions,guidelines,occupational

healthandsafetyandaccidentpreventionregulations.

•Becausetheoptionsforcombiningproducts,tools,stirring

vessel,experimentandmediumarenearlyendless,

usersafetycannotbeensuredsimplywithdesignrequirements

onthepartoftheproduct.Forthisreason,itmay

becomenecessaryforuserstotakeotherprecautionary

safetymeasures.Forexample,glassapparatusorother

stirringvesselsthataresensitivetomechanicalstresscan

bedamagedorshatteredbyanimbalance,increasingthe

speedtooquicklyortoolittledistancebetweenthestirring

elementandthestirringvessel.Userscansufferserious

injuryfromglassbreakageorfromthefreelyrotating

stirringelement.

•Uncontrolledreactionscanbetriggeredbymixingthe

heatedmaterialinsufficientlyorbytheenergygenerated

byselectingaspeedthatistoohigh.Incaseofthese

andotherincreasedoperationalhazards,usersmusttake

additionalappropriatesafetyprecautions(e.g.shatter

protection).Inanycase,whenusingcriticalorhazardous

materialsinyourprocesses,Arrow



recommendsusing

additionalappropriatemeasurestoensuresafetyinthe

experiment.Forexample,userscanimplementmeasures

thatinhibitfireorexplosionsorcomprehensivemonitoring

equipment.Furthermore,usersmustmakesurethat

theOFFswitchoftheArrow



productcanbeaccessed

immediately,directlyandwithoutriskatanytime,and

aboveall,incaseoffault.



Ifmainsswitchcannotensure

thisaccessatalltimes,anadditionalEMERGENCYSTOPswitch

thatcanbeeasilyaccessedmustbeinstalledintheworkarea.



•Onlyprocessmediathatwillnotreactdangerouslytothe

extraenergyproducedthroughprocessing.Thisalsoapplies

toanyextraenergyproducedinotherways,e.g.

throughlightirradiation.

•Donotoperatetheinstrumentinexplosiveatmospheres,

withhazardoussubstancesorunderwater.

•Theinstrumentisnotsuitableformanualoperation.

•Thehightorquedevelopedbythe1750digitalrequires

particularcareinthechoiceofstand,crosssleeve

andanti‐rotationelementfortheagitatingvessel.

•Setupthestandinaspaciousareaonaneven,stable,

clean,non‐slip,dryandfireproofsurface.

•Youmustensurethatthestirringelementissecurely

clampedinthecouplingorchuck.



Whenusingachuck,makesuretoremovethe

chuckkeyfromthechuckbeforeturningonthedevice.



•Usestirringshaftprotectiveequipment!

•Theagitatedvesselsusedforstirringhavetobesecured.

Consideronagoodstabilityoftheentirestructure.

•Protecttheinstrumentandaccessoriesfrombumping

andimpacting.

•Checktheinstrumentandaccessoriesbeforehandfor

damageeachtimeyouusethem.Donotusedamaged

components.

•AlwaysswitchthemainsswitchintheOFFpositionor

disconnectthepowerbeforechangingstirringelement

andfittingallowedaccessories.

•Theinstrumentcanonlybedisconnectedfromtheelectrical

outletsupplybypullingontheplug.Donotpullonthecordto

disconnectpower.

•Thesocketfortheelectriccordmustbeeasilyaccessible.

•Theelectricaloutletmustbegrounded(protectiveground

contact).

•Thevoltagestatedonthelabel(seeFig.1‐E)mustcorrespond

totheelectricaloutlet’svoltage.

•Pleaseobservethepermittedspeedforthestirringelement.

Neversetathigherspeed.

•Makecertainthattheunitissetatthelowestspeedbefore

turningthepowerswitchon;otherwise,theunitwill

immediatelybeginrunning.Graduallyincreasetorequired

speed.

•Payattentionwhensettingthespeedtoanyimbalanceof

thestirrertoolsandpossiblesprayingofthemediumto

bestirred.



Neveroperatetheinstrumentwiththestirrer

toolsrotatingfreely.Ensurethatpartsofthebody,hair,jewelry

oritemsofclothingcannotbetrappedbytherotatingparts.



Theoperationofafreerotatingshaftendis

dangerous,therefore,forsafetyreasons,onlyinsertthestirring

toolintotheupperedgeofstirringvesselwiththemotoroff.

Whenfinished,turnthemotoroffbeforeliftingthestirringtool

outofthevessel.

NOTE:

ArrowMixingProductsoffersrepairandmaintenanceonall

equipment.AnRMAmustberequestedandincludedwithall

returns.Arrowwillinspecttheunitandcallyouwithaquote

beforeanyworkisdone.



Wearyourpersonalprotective

equipmentinaccordancewith

thehazardcategoryofthemedium

tobeprocessed.Otherwisethereisariskof:



‐splashingofliquids

‐projectileparts

‐bodyparts,hair,clothingandjewelrygettingcaught.



Bewareoftheriskof:



‐flammablematerials

‐glassbreakageasaresultofmechanicalshakingpower.



Reducethespeedif:



‐themediumsplashesoutofthevesselbecausethe

speedistoohigh

‐theinstrumentisnotrunningsmoothly

‐theinstrumentbeginstomovearoundbecauseofdynamic

forces

‐anerroroccurs.



Donottouchrotatingpartsduringoperation!



•Theremaybeelectrostaticactivitybetweenthemedium

andtheoutputshaftwhichcouldcauseadirectdanger.

•Itisimportanttonotethatthesurfacesofthemotorand

certainpartsofthebearingmaygetveryhotduringoperation.

•Avoidknockingandimpactingonthelowerendofthe

shaftandthechuckgearteeth.Evenminor,invisibledamage

canleadtoimbalanceandunevenshaftaction.

•Ensurethatthestanddoesnotstarttomove.

•Imbalanceoftheoutputshaft,thechuckandinparticular

thestirringtoolscanleadtouncontrolledresonant

vibrationalbehavioroftheinstrumentandthewhole

assembly.Glassapparatusandstirrercontainerscanbe

damagedorshatteredbythis.Itcancauseinjurytothe

operator,alsocandamagetherotatingstirringtool.In

thiscase,exchangethestirringtoolforonewithoutimbalance

orremedythecauseoftheimbalance.Ifthereis

stillimbalance,returnittothedealerorthemanufacturer

alongwithadescriptionofthefault.

•Iftheinstrumentisoperatedaboveitscapabilities,thereset

buttonwilltrip.

•Themachinemustonlybeopenedbytrainedspecialists,

evenduringrepair.Theinstrumentmustbeunplugged

fromthepowersupplybeforeopening.Livepartsinside

theinstrumentmaystillbeliveforsometimeafterunplugging

fromthepowersupply.



Coveringorpartsthatarecapableofbeing

removedfromtheunitwithoutaccessoryequipmenthavetobe

reattachedtotheunitforsafeoperationinordertoprevent,for

example,theingressoffluids,foreignmatter,etc.



CORRECT USE

•Use:

Formixing/stirringliquidswithlowtohighviscosityby

usingvariousstirringtools.



Intendeduse:Standdevice(MotorShaftdownward).



•Rangeofuse(indooruseonly):

‐Laboratories‐Schools

‐Pharmacies–Universities

‐R&DandProductionFacilities

Thesafetyoftheusercannotbeguaranteed:

‐Iftheinstrumentisoperatedwithaccessoriesthatarenot

suppliedorrecommendedbythemanufacturer

‐Iftheinstrumentisoperatedimproperlyorcontrarytothe

manufacturer’sspecifications

‐Iftheinstrumentortheprintedcircuitboardaremodified

bythirdparties.

MAINTENANCE

•MotorBrushes

Motorbrusheseventuallywearoutandneedtobe

replaced.Frequencywillvarydependingonusage.

Foratutorialonhowandwhentoreplacebrushes,visit:

https://www.youtube.com/watch?v=Sp8L6DED1Ig

orfollowthisQRcode.

•Cleaning

Motorscanbewipeddownwithadampcloth.Avoidsprayingliquids

directlyontothemotor.



•Warranty

Allunitscomewithaone‐yearwarrantyagainstmanufacturing

defects.Openingormodifyingthemotorwillvoidthewarranty.



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