Earth Way Polar Tech 90399 User manual

100LBStainlessSteel
IceMeltSpreader
MODEL#90399ASSEMBLYINSTRUCTIONS
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2170_M52164_RevMar2021PAGE1
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Priortoassembly,youwillneed:
Needlenosepliers
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#2Phillipsscrewdriver
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Two7/16″adjustableor
boxwrenches
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THANKYOU
ThankyouforselectingEarthWayforyour
spreaderneeds.Ourproductionteamin
NorthernIndianatakesprideinbuildingthis
spreader.Ourcustomersupportteamis
standingreadytoensureyoursuccess.
Pleasecontactusatwww.EarthWay.comto
seeourfulllineofcommercial,lawn&gardentools.
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NOTE:Thelargeopeningisdesignedtoallowicemelttoflow
throughspreaderwithouttheneedforanagitator.Thisunitis
notdesignedforfertilizer
.  
ASSEMBLYHARDWARE
SPREADERCOMPONENTS
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HANDLES
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CONTROLROD
HANDLESHAFT
GEARBOXIMPELLER
LOWERFRAME
GUAGE
HOPPER
FRAME
X‐BRACE
METER
ROD
FRAME
FOOT
AXLE
PIVOT
¼”X1½”
¼”X2”
¼”X21/4”
Qty2
21/4”
2”
1½”
1”
Qty5
Qty4
Visit our EarthWay
website to see the
assembly video
¼”X1”
¼”X1½”
Qty4

AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE2
HELPFULHINTS
Readthedirectionsbeforeassembly.
Ifyourspreaderdoesnotspreadevenly,besure“FRONT”ontheGEARBOXpointstothefrontofthespreader.The
impellermustturnclockwisewhenpushingforward.ReversingtheGEARBOXduringassemblywillcauseissues.
Yourspreaderiscalibratedforthreemilesperhour,whichisabriskwalkingspeed.Slowerorfasterspeedswill
changethespreadpattern.Donotusepowderedmaterialsasitwilldamagethegearbox.
Gearsarepermanentlylubricatedatthefactory.DonotopentheGEARBOXordirtmayenter.
SPREADERASSEMBLYINSTRUCTIONS 
Step 1: Removeallcomponentsandhardware
itemsfromthebox.Placethespreaderhopper
upsidedownandfacingawayfromyourself.
Step 2: InstallFRAMEusing(4)#14x1½″Flat
HeadPhillipsscrews.TIGHTENTHESENOW
Step 3: Installimpellerontopinionshaftby
pressingtheimpellerasshownontothepinionshaft
andturningtheimpellerwhileholdingthepinion
shafttoengagewiththeCOINfully,andpressdown
tosecure.
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Next,insertCrossBracethrutheGearboxBraceas
shownabove.
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AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE3
Step 4: InstallGEARBOXbyinsertingthePINION
SHAFTintoholeincenterofHOPPERbottom.The
word“FRONT”ontheGEARBOXmustpointtoFront
oftheHOPPER.
NOTE: Place PolarTech brand towards the front of
the hopper.
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Step 5: (A)Install
LOWERHANDLESonto
FRAMEtobothsidesas
shown.Insert2¼″bolt
throughholeinLOWER
HANDLEandthrough
holeinFRAMEinstall
locknut.DONOT
TIGHTEN.
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(B)Nowinsert1½″bolt
intotheholeinLOWER
HANDLE,thenthrough
FRAMEbrace.Nextinto
threadedconnectorin
CROSSBRACE.DONOT
TIGHTEN
NOTE: Numbers on
frame brace must be
facing toward gear
box as shown.
(C)InstalltheFOOTinto
theFRAMEandalignthe
boltholesintheFOOT
andtheFRAME(a
Phillipsscrewdriveror
largenailishelpfulto
aligntheparts)
(D)Nextinsert1½″boltthroughotherendof
FRAMEBRACEandthroughholeinFRAMEthrough
theFOOTandinstalllocknut.
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AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE4
Step 6: Placesthebearingsintothelowerframe
usingthe“notch”onthebearingtofitintothe
“notch”ontheLOWERAXLEFRAME.Nextslidethe
axlethroughthebearings,throughtheGEARBOX
andintotheotherLOWERAXLEFRAME.Next,install
AXLEBUSHINGontotheaxle,byplacingthesmaller
endinfirst,slideovertheAXLE,pastthedrilled
holes.
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NOWGOBACKANDTIGHTENALLNUTSANDBOLTSSTARTINGWITHFIRSTSTEP.DONOTOVERTIGHTEN.
Step 7: InstallDRIVEWHEELontotheAXLEandalign
withthecotterpinholenearesttoLOWERHANDLEas
shown.Insert2″cotterpinthroughwheelandthrough
AXLE.Bendwithplierstopreventpinfromfallingout.
Step 8: InstallCOASTWHEELontotheAXLEfully,then
usingoutsidecotterpinhole,insert1″cotterpinthrough
AXLE(notthruthewheel).Bendwithplierstoprevent
pinfromfallingout.
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Step 9: Newfor2021EarthWaylistenedtocustomerswhodesiredanadjustablehandlefortalleroperators.
Selectthree¼”x2”boltsandthreenylonlocknuttocompletethisstep.
Noticethatthesquarehandleshafthastwosetsofholesinbothends.Theendthattheholesareclosesttotheend
ofthehandleshaftisthetop.Placeitasshowninbetweenthehandles.
Startbyboltingthroughthehandlespacerusingthetopmosthandlebarhole.Thenboltthegauge&leverassembly
throughthetwocenterholesusingtwoofyour¼”x2”bolts.
TIGHTENALLHARDWARE.

AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE5
TALLOPERATORCONFIGUATION–withthefourhandleholes,usethebottomtwoholesfortheguageandusethe
topholeforthespacer.
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AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE6
Step 10:(Thisstepisonlyrequiredifyouwant
tochangethepositionofthehandles).NOTE:
BEFOREINSTALLINGGAUGEANDUPPER
HANDLESTOHANDLESHAFT,UPPERHANDLES
FEATURETHREEPOSITONSFOROPERATOR’S
COMFORT.Ifoperatorchoosesmiddleorupper
positions,usehandlespacerinholenearestto
handlegrips.
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Insert2”boltthroughupperhandle,then
throughhandlespacerthroughotherupper
handleandsecurewithlocknut.DONOT
TIGHTENLOCKNUTYET.TIGHTENTHISNUT
LAST.
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Step 11:
A. Threadhexnutontotheendofthepivotrod.
B. Insertthreadedendofthepivotrodintotheshutoff
plate.
C. Threadanadditionalhexnutontheendofthepivotrod.
Usea7/16”wrenchtosecurethehexnutinplacearoundthe
shutoffplateandpivotrod.
*SeeImagebelow.*
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Step 12: InstallHANDLESHAFTtoLOWERHANDLEsandPIVOT&BRACKETassemblyasshown.Using2″boltsand
locknuts.TIGHTENBOLTSANDNUTSNOW.
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Step 13: InstallflattenedendofCONTROLROD
intoLEVERonGAUGEasshown.Turntolockin
place.NextpushLEVERforwardtosetting“0”.
AlignCONTROLRODwithholeinPIVOTBRACKET,
pullLEVERbackwardtoinsertCONTROLROD
throughholeinPIVOTBRACKET.
Step 14: Install(1)1/4‐20regularnut(nota
locknut)ontoCONTROLRODasshown.
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A
B
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C
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AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE7
CALIBRATION
Step 15: Pullleverbacktosetting“30”as
shown.Nextpushpivot&bracketforwardso
thattheshutoffplateinthehopperisinthefull
openposition.REMEMBERSETTING“30”ON
THEFLOWCONTROLLEVERMUSTPLACETHE
SHUT‐OFFPLATEINTHEFULLOPENPOSITION
TOBEPROPERLYCALIBRATED.Nowtightenthe
nutsagainstthePIVOTBRACKETtoprevent
changeincalibration.
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OPERATINGINSTRUCTIONS
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Beforefillinghopper,becomefamiliarwiththeoperationofthisspreader.
Movestopboltonrategaugeassemblytothepropersetting.
Whilepushingspreaderforward,pullcontrolleverbacktostopbolt.
Tostop,pushleverforwardtocloseflowholesbeforeyoustopmoving.
Whenfinished,emptyanyremainingmaterialfromhopper.
Thoroughlywashspreaderanddrybeforestoring.Acoatingoflightoilwillhelppreventcorrosion.
CUSTOMERSERVICE 
[e-mail]|www.EARTHWAY.com|1009MapleStreet,Bristol,IN46507

ONEYEARWARRANTY 
EarthWayProducts,Inc.warrantsthisproductfreeofdefectsinoriginalworkmanshipandmaterialsforaperiodofoneyeartothe
enduserwiththeoriginalpurchasereceipt.Ifamanufacturingnon‐conformanceisfound,EarthWayProducts,Inc.atitsdiscretion
willrepairorreplacethepart(s)/productatnochargeprovidedthefailureisnottheresultofincorrectinstallation,mishandling,
misuse,tampering,ornormalwearandtearasdeterminedbyEarthWay.
EarthWayatitsdiscretionmayrequirethatthepart(s)orproductbereturnedalongwiththeoriginalpurchasereceiptfor
examinationandcompliancewiththetermsofthiswarranty.Donotreturnanyproductwithoutfirstreceivingauthorizationfrom
EarthWayProducts,Inc.
Toseekremedyunderthiswarranty,contactEarthWayProducts,Inc.at[email protected]orwritetoEarthWay
Products,Inc.1009MapleStreet,Bristol,IN46507anddescribethenatureofthemanufacturingdefect.SPECIFIC
LIMITATIONS:Thiswarrantycoversonlythepart(s)orproduct;anylaborchargesassociatedwithrepairorreplacementof
non‐conformancesarespecificallyexcluded.Duetothecorrosivenatureofmostfertilizersandicemeltproducts,EarthWay
Products,Inc.makesnowarrantyagainstandspecificallyexcludespart(s)orproductdegradationorfailureduetocorrosionor
itseffects.
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AssemblyandOperationInstructions
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90399_M52162_Oct_2021.docxPAGE8
HOWTOORDERSPAREPARTS–CALLorEMAIL:
TURF DEPOT 800-305-9255 or [email protected]om

100LB High Output Broadcast Spreader (90399) Parts List
S
ERIES PART # DESCRIPTION SERIES PART # DESCRIPTION
140003
SQUARE SCREEN
9 60333
GEABOX ASSEMBLY
299342
HOPPER & SHUTOFF ASSEMBLY
10 12110
9” ROUND DISHED IMPELLER
3 38144
HARDWARE KIT - SS (3.1 - 3.94) 11 70138
13” PNEUMATIC TIRE
460266
CONTROL PACKAGE (4.1- 4.5) 12 25723
FRAME FOOT
6 25222
LOWER HANDLE - SS
12.1 24111
FRAME
7 25223
HANDLE SHAFT
13 F77130
HEAVY DUTY RAIN COVER ACCESSORY
8 60175
UPPER HANDLE - SS
14 60600
THREE-SIDED DEFLECTOR ASSEMBLY