Agri-Fab 175 User manual

CAUTION:
Read Rules for
Safe Operation
and Instructions
Carefully
OWNERS
MANUAL
175# BROADCAST SPREADER
Model No.
45-01873
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APPLICATION TIPS
• Safety
• Assembly
• Operation
• Maintenance
• Parts
the fastest way to purchase parts
www.speedepart.com
™
FORMNO.48666(REV.05/08/08)

2
RULES FOR SAFE OPERATION
Anypowerequipmentcancauseinjuryifoperatedimproperlyoriftheuserdoesnotunderstandhowtooperate
theequipment.Exercisecautionatalltimeswhenoperatingequipment.
LOOKFORTHISSYMBOLTOPOINTOUTIMPORTANTSAFETYPRECAUTIONS.IT
MEANS--ATTENTION!BECOMEALERT!YOURSAFETYISINVOLVED.
CARTON CONTENTS
LOOSE PARTS IN CARTON
• Read the towing vehicle owners manual and towing
vehiclesafetyrules.Knowhowtooperateyourtractor
beforeusingthebroadcastspreaderattachment.
• Readthechemicallabelinstructionsandcautionsfor
handling and applying the chemicals purchased for
spreading.
• Weareyeandhandprotectionwhenhandlingandwhen
applyinglawnorgardenchemicals.
• Neveroperatetractorandspreaderattachmentwithout
wearingsubstantialfootwear,anddonotallowanyone
torideorsitonspreaderattachmentframe.
• Neverallowchildrentooperatethetractororspreader
attachment,anddonotallowadultstooperatewithout
properinstructions.
• Alwaysbeginwiththetransmissioninrst(low)gear
and with the engine at low speed, and gradually
increasespeedasconditionspermit.Maximumtowing
speed-6M.P.H.
• Whentowingbroadcastspreaderdonotdrivetooclose
to a creek or ditch and be alert for holes and other
hazardswhichcouldcauseyoutoloosecontrolofthe
broadcastspreaderandtractor.
• Beforeoperatingvehicleonanygrade(hill)refertothe
safetyrulesinthevehicleowner'smanualconcerning
safeoperationonslopes.Stay off steep slopes!
• Follow maintenance and lubrication instructions as
outlinedinthismanual.
1. HitchTube
2. FlowControlArm
3. HitchBracket
4. FlowControlMountBracket
5. Braces(2)
6. FlowControlRod
7. Wheels(DriveandIdler)
8. HopperStrap
9. HopperAssembly
 HardwarePackage(seepage3)
567
1
4
9
23
8

3
REF. QTY. DESCRIPTION
A6 HexBolt,1/4-20x2"
B2HexBolts,3/8-16x1-1/4"
C4 HexBolt,1/4-20x1"
D1CarriageBolt,1/4-20x3/4"
E 10 NylockNuts,1/4"
F 2 NylockNuts,3/8"
G6 NylonWasher
H10 FlatWasher,5/16"
I4 FlatWashers1-5/8"
J 1 CotterPin,3/32"x3/4"
K 1 CotterPin,1/8x1-1/2"
L 1 HairCotterPin,1/8"
M1HitchPin
N 1 ShortSpacerTube
O 1 LongSpacerTube
P1NylonWingNut
Q 1 AdjustableStop
R 1 Flow Control Link
S 1 Grip
E
F
DCBA
K
L
M
G
H
I
J
NOQ
RS
NOT SHOWN FULL SIZE
SHOWN FULL SIZE
P

4
ASSEMBLY INSTRUCTIONS
TOOLS REQUIRED FOR ASSEMBLY
(1) Pliers
(2) 7/16"Wrenches
(2) 1/2"Wrenches
(2) 9/16"Wrenches
REMOVAL OF PARTS FROM CARTON
Removeallpartsandhardwarepackagesfromthecarton.Lay
outallpartsandhardwareandidentifyusingtheillustrations
onpages2and3.
FIGURE 2
FIGURE 3
FIGURE 1
1. Turnthespreaderupsidedownasshowningure1.
2. Assemble the two hitch braces to the inside of the
hopperframeoneachsideusingtwo1/4"x2"hexbolts
andtwo1/4"nylocknuts.DO NOT TIGHTEN YET. See
gure2.
3. Removethelocknutfromthemiddleboltinthecrossover
tubeandshaftsupportplate.Leavetheboltinplace.
Seegure2.
4. Assembletheshortendofthehitchtubeontothemiddle
boltandsecureitwiththesamenutyouremoved.DO
NOT TIGHTEN YET.Seegure2.
IMPORTANT:Thehitchtubemustattachtothesideofthe
crossovertubeoppositetheshaftsupportplate.
5. Assemblethetwohitchbracestothehitchtubeusing
a 1/4" x 2" hex bolt and a 1/4" nylock nut. DO NOT
TIGHTEN YET.Seegure2.
1/4" x 2"
HEX BOLT
1/4" NYLOCK
NUT
CROSSOVER
TUBE
HITCH BRACE
HITCH
TUBE
SHAFT
SUPPORT
PLATE
MIDDLE
NUT
MIDDLE BOLT
HITCH BRACE
6. Tighten thenutsandboltsfasteningthehitchbraces
tothe hopperframeand thehitch tube,thentighten
the middle lock nut fastening the hitch tube to the
crossovertube.DO NOT COLLAPSE TUBES WHEN
TIGHTENING.
7. Assemblethelongspacertubeanda1-5/8"atwasher
ontotheendoftheaxlethathasthesmall hole.See
gure3.
8. Placetheidlerwheel(noboltholeinhub)ontotheaxle
sothattheairvalveistotheoutside.Placeoneortwo
1-5/8"dia.atwashersontotheaxleandtheninstall
the1/8"x1-1/2"cotterpinintotheaxle.Seegure3.
SMALL HOLE
LONG SPACER TUBE
1-5/8" DIA.
FLAT WASHER
1-5/8" DIA.
FLAT WASHER
1/8" x 1-1/2"
COTTER PIN
AIR VALVE

5
11. Turnthespreaderuprightonitswheels.
12. Attach the hopper strap to the front and rear of the
hopperusingtwo1/4"x1"hexbolts,5/16"atwashers,
nylonwashersand1/4"nylocknuts.Seegure5.
FIGURE 5
9. Assembletheshortspacertubeanda1-5/8"atwasher
ontotheendoftheaxlethathasthelargehole.See
gure4.
10. Placethedrivewheel(boltholethroughhub)ontothe
axlesothattheairvalveistotheoutside.Securethe
wheeltotheaxlewitha1/4"x2"hexboltanda1/4"
nylocknut.Seegure4.
FIGURE 4
15. Assembletheowcontrollink(endwithsmallhole)to
theowcontrolarmusinga1/4"x1"hexbolt,anylon
washeranda1/4"nylocknut.Tighten thenutuntilthe
ow control link pivots with a slight resistance. See
gure7.
FIGURE 6
3/8" x 1-1/4"
HEX BOLT
3/8" LOCK
WASHER
3/8" NYLOCK NUT
HITCH PIN
HAIR COTTER PIN
FLOW CONTROL
LINK FLOW
CONTROL
ARM
1/4" NYLOCK NUT
1/4" x 1"
HEX BOLT
SMALLEST
HOLE
NYLON
WASHER
13. Assemblethehitchbrackettothetopofthehitchtube
usingtwo3/8"x1-1/4"hexboltsand3/8"nylocknuts.
Seegure6.
14. Assemblethehitchpinthroughthehitchbracketand
thehitchtubeandsecurewiththehaircotterpin.See
gure6.
HOPPER STRAP
NYLON WASHER
5/16" FLAT WASHER
1/4" x 1" HEX BOLT
1/4" NYLOCK NUT
FIGURE 7
1/4" NYLOCK NUT
1/4" x 2"
HEX BOLT
DRIVE WHEEL
AIR VALVE SHORT SPACER TUBE
1-5/8" DIA.
FLAT WASHER

6
18. Placea5/16"atwasherontotheendoftheowcontrol
rod.Inserttheendoftherodthroughtheslotintheow
controlmountingbracketandthroughtheholeinthe
owcontrollink.Securewitha3/32"x3/4"cotterpin.
Seegure9.
FIGURE 9
19. Hookthefreeendoftheowcontrolrodthroughthe
holeintheslidegatebracketlocatednearthebottom
ofthehopper.Seegure10.
FIGURE 10
20. Assembletheowcontrolmountingbrackettothehitch
tubeusingtwo1/4"x2"hexbolts,six5/16"atwashers
andtwo1/4"hexlocknutsasshowningure11. Do
not tighten at this time.
FIGURE 11
FLOW
CONTROL
ROD
FLOW
CONTROL
LINK
3/32"
COTTER
PIN
5/16" FLAT
WASHER
SLOT
16. Assemble the ow control arm to the ow control
mountingbracketusinga1/4"x1"hexbolt,twonylon
washersanda 1/4" nylock nutas shownin gure 8.
Tighten thenutuntiltheowcontrolarmpivotswitha
slightresistance.
17. Assemblethevinylgrip.Seegure8.
FIGURE 8
1/4" x 1"
HEX BOLT
1/4" NYLOCK
NUT
FLOW CONTROL
MOUNTING
BRACKET
FLOW
CONTROL
ARM
(2) NYLON
WASHERS
VINYL GRIP
FLOW CONTROL
MOUNTING BRACKET
1/4" x 2"
HEX BOLT
1/4" HEX
LOCK NUT
5/16" FLAT
WASHER
5/16" FLAT
WASHER

7
21. Placetheadjustablestopintothe"ON"endoftheslot
inthetopoftheowcontrolmountingbracket.Secure
withthe1/4"x3/4"carriagebolt,anylonwasher,a5/16"
atwasherandthenylonwingnut.Seegure12.
FIGURE 12
22. Positiontheowcontrolmountingbracket.
 (Figure13).
a. Push on ow control arm until it locks in "OFF"
position.
b. Slideowcontrolmountingbracketalongtubeuntil
closureplateinbottomofhopperjustcloses.
c. Snugthe1/4"locknutsjustenoughtoholdow
controlmountingbracketinplace.
d. Set adjustable stop at "5". Pull ow control arm
againststop.Verifythatclosureplatehasopened
abouthalfway.
e. Ifclosureplatedoesnotopenhalfway,itmaybe
closedtoofarat"OFF".Adjustpositionofowcontrol
mountingbracketuntilclosureplatewillopenabout
halfwayat"5"andstillclosewhenarmislocked
in"OFF".Tighten1/4"locknuts.
FIGURE 13
5/16" FLAT
WASHER
NYLON
WASHER
1/4" x 3/4"
CARRIAGE BOLT
NYLON
WING NUT
ADJUSTABLE
STOP
OFF
ON
1
2
3
4
6
7
8
9
10
5
FLOW
CONTROL
ARM
ON
OFF
AJDUSTABLE
STOP
SETTING "5"

8
FIGURE 14
OPERATING SPEED -3MPH.(100ft.in23seconds)
IMPORTANT:  Application rates shown in the chart are
affected by humidity and by the moisture content of
the material (granular and pellet). Some minor setting
adjustments may be necessary to compensate for this
condition.
OVERLAP
REFER
TO
CHARTS
USING YOUR SPREADER
We do not recommend the use of any powdered lawn
chemicals, due to difculty in obtaining a satisfactory or
consistentbroadcastpattern.
1. Determineapproximatesquarefootageofareatobe
coveredandestimateamountofmaterialrequired.
2. Beforellingthehoppermakesuretheowcontrolarm
isintheoffpositionandtheclosureplateisshut.
3. Breakupanylumpyfertilizerasyoullthehopper.
4. Settheadjustablestopwiththeowcontrolarmstillin
theoffposition.Refertotheapplicationchartonthis
pageandtotheinstructionsonthefertilizerbagtoselect
theproperowratesetting.
5. The application chart is calculated for light to heavy
applicationatavehiclespeedof3mph,or100ft.in23
seconds.Avariationinspeedwillrequireanadjustment
of the ow rate to maintain the same coverage.The
fasteryoudrive,thewiderthebroadcastwidth.
6. Alwaysstartthetractorinmotionbeforeopeningclosure
plate.
7. Alwaysshuttheclosureplatebeforeturningorstopping
thetractor.
8. Iffertilizerisaccidentallydepositedtooheavilyinasmall
area,soaktheareathoroughlywithagardenhoseor
sprinklertopreventburningofthelawn.
9. Toinsureuniformcoverage,makeeachpasssothatthe
broadcastpatternslightlyoverlapsthepatternfromthe
previouspassasshowningure14.Theapproximate
broadcastwidthsfordifferentmaterialsareshownin
theapplicationchartonthispage.
10. Whenbroadcastingweedcontrolfertilizers,makesure
the broadcast pattern does not hit evergreen trees,
owersorshrubs.
11. Heavymoistureconditionsmayrequireacoveroverthe
hoppertokeepcontentsdry.Thevinylcover(available
asanaccessory)actsasawindandmoistureshield,
butshould notbe used as a raincover. Refertothe
partslistonpage11.
HOW TO USE YOUR SPREADER
SETTING THE FLOW CONTROL
(Refertogure13onpage7.)
1. Loosenthenylonwingnut,settheadjustablestopto
thedesiredowratesettingandretightenthewingnut.
Thehigherthesettingnumber,thewidertheopening
inthebottomofthehopper.
2. Refer to the application chart on page 8 and to the
instructions on the fertilizer bag to select the proper
owratesetting.
3. Pullthe ow control armagainst theadjustablestop
for theon position andtowardthe hopperfortheoff
position.
OPERATION
APPLICATION CHART
MATERIAL
TYPE
FLOW SETTING SPREAD
WIDTH
FERTILIZER
 Powder 3-5 3'-4'
Granular 3-5 8'-10'
 Pelleted 3-5 10'-12'
 Organic 6-8 6'-8'
GRASS SEED
Fine 3-4 6'-7'
Coarse 4-5 8'-9'
ICE MELTER 6-8 10'-12'

9
CHECK FOR LOOSE FASTENERS
1. Beforeeachusemakeathoroughvisualcheckofthe
spreaderforanyboltsandnutswhichmayhaveloosened.
Retightenanylooseboltsandnuts.
CHECK FOR WORN OF DAMAGED PARTS
2. Check for worn or damaged parts before each use.
Repairorreplacepartsifnecessary.
CHECK TIRE INFLATION
3. Checkiftiresareadequatelyinatedbeforeeachuse.Do
notinatebeyondmaximumrecommendedpressure.
FIGURE 15
1. Rinseinsideofhopperandexteriorofspreaderanddry
offbeforestoring.
2. Storeinaclean,dryarea.
CLEANING
4. Rinseinsideofhopperandexteriorofspreaderanddry
offbeforestoring.
LUBRICATE (Seegure15.)
5. Lightly apply automotive grease as needed to the
sprocketandgear.
6. Oil the nylon bushings on the vertical sprocket shaft
andontheaxleatleastonceayear,ormoreoftenas
needed.
7. Oilrighthand(idler)wheelbearingatleastonceayear
ormoreoftenasneeded.
MAINTENANCE
GREASE
OIL
OIL
STORAGE
CAUTION: DO NOT inatetiresbeyondthe
maximumrecommendedpressureprinted
onsideoftire.
REPLACING SLOTTED GEAR
1. If the axle, slotted gear and sprocket assembly is
disassembled,markdownthepositionsofthepartsas
theyareremoved.Thedrivewheelandsprocketpositions
inrelationtotheslottedgeardeterminewhichdirection
thespreaderplatewillspin.Besuretoreassemblethem
intheiroriginalpositions.(Refertogure4onpage5.)
Useshimwashers(Ref.no.21onpages10and11)
asneededforminimumbacklash.Addgreasetogear
andsprocket.
SERVICE AND ADJUSTMENTS
SHAFT SUPPORT PLATE
SLOTTED GEAR
IF THE SPREADER LOCKS UP
1. Turnthespreaderoversothatthewheelsareoffthe
ground.
2. Loosenallthreenutsontheshaftsupportplatejust
enoughsothattheboltscanbeturnedeasilywitha
wrenchbutcannotbeturnedbyhand.
3. Spinthedrivewheelandnotehowfreelyitspinsand
howmuchnoisetheslottedgearmakes.
4. Tofreeupthewheelandgear,tapgentlyonthefront
orrearedgeoftheshaftsupportplatetomoveit
slightlyforwardorbackward.Youcanalsotapatthe
cornersoftheplatetoangleitslightly.
5. Spinthedrivewheelaftereachadjustmenttoseeifit
spinsmorefreelyandifthegearnoiseisreduced.
6. Continuemakingslightadjustmentsuntilyoundthe
positionwherethedrivewheelspinsmostfreelyand
thegearmakestheleastnoise.
7. Secure the shaft support plate in this position by
retighteningallthreenutsthatyouloosened.
FIGURE 16

10
REPAIR PARTS FOR BROADCAST SPREADER MODEL 45-01873
11
62 23
43
50
21 20 21 22
19
18
4
D
E
35
50
15
37
37
39
23
A
A
33
59
27
26
28
3
19
36
34
9
46
957 9
40
16
14
7
17
37
24 50
13
E
9
29
5
9
54
9
4
9
35
B
6
52
44
47
58
58
8
42
32
7
D45 54
48
29
40
37
60
25
B
1
39
10
54
41
54
51
39
9
54
39
31
2
39
54
58
55
56
58
37
9
49
40
C
61
9
C
63

11
REPAIR PARTS FOR BROADCAST SPREADER MODEL 45-01873
REF.
NO.
PART
NO.
QTY. DESCRIPTION
144480 1 Hopper
243882 4 Rivet,Stainless
362482 1Ass'y,GuideClosure
4 44462 1Tube,Frame
5 23753 1SlideGateAngleBracket
6 23758 1SlideGateBracket
7HA21362 5 Nut,HexLock3/8-16Thd.*
8 24857 1 Flow Control Link
947189 18 Nut,HexNylock1/4-20Thd.*
10 43808 1Tube,Crossover
11 44180 2Bolt,Hex5/16-18x2"Lg.
13 47810 2Nut,HexNylock,5/16-18Thd.*
14 44487 1Tube,Hitch
15 43008 1Wheel,Idler
16 44459 1Wheel,Drive
17 23687 1Bracket,Hitch
18 25017 1Shaft,Axle
19 43851 2Pin,Spring3/16"Dia.x1-1/4"Lg.
20 43871 1Bushing,AxleShaft
21 1540-032 5 Washer,Flat.78I.D.
22 1540-162 1Washer,Flat1/2"
23 47615 2Bearing,Flange
24 48665 1SpacerTube(Short)
25 25305 1Shaft,Sprocket
26 04367 1SpreaderPlate
27 43850 1Pin,Spring1/8"Dia.x5/8".
28 44468 1Sprocket,6Tooth
29 44285 2Bushing,Delrin
31 48934 1Hairpin,Agitator
32 43070 5 Washer,Flat3/8"*
the fastest way to purchase parts
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REF.
NO.
PART
NO.
QTY. DESCRIPTION
33 43054 2Bolt,Hex3/8-16x2"Lg.*
34 44469 1Rod,FlowControl
35 23525 2Brace,Hitch
36 23762 1ShaftSupportPlate
37 46699 12 Bolt,Hex1/4-20x2"
39 1543-069 12 Washer,Nylon
40 43088 13 Washer,Flat1/4"Std.
41 24858 1Stop,Adjustable
42 24855 1Bracket,FlowControlMount
43 62474 1GearAssembly
44 24859 1FlowControlArm
45 44101 1CotterPin3/32"x3/4"Lg.*
46 23533 1Plate,Closure
47 43848 1Grip,FlowControlArm
48 43087 2Bolt,Hex3/8-16x1-1/4"Lg.*
49 43093 1Pin,Cotter1/8"x1-1/2"
50 43009 4 Washer,Flat1-5/8"O.D.
51 47141 1WingNut,Nylon
52 HA180132 1Bolt,Hex3/8-16x2-1/4"Lg.*
54 R19111116 10 Washer,5/16SAE
55 47623 1HitchPin
56 43343 1HairCotterPin,1/8"
57 44566 1Spring,Torsion
58 43661 5 Bolt,Hex1/4-20x1"Lg.*
59 46055 1Pin,Spring1/8"Dia.x1"Lg.
60 44950 1Bolt,Carriage1/4-20x3/4"
61 23697 1Strap,Hopper
62 44474 1SpacerTube(Long)
63 40825 1VinylCover(Optional)
48666 1Owner'sManual

REPAIR PARTS
Agri-Fab,Inc.
303WestRaymond
Sullivan,IL.61951
217-728-8388
www.agri-fab.com
the fastest way to purchase parts
www.speedepart.com
©1991Agri-Fab,Inc.
Thisdocument(ormanual)isprotectedundertheU.S.CopyrightLawsandthecopyrightlawsofforeigncountries,
pursuanttotheUniversalCopyrightConventionandtheBerneconvention.Nopartofthisdocumentmaybereproduced
ortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopyingorrecording,orbyany
informationstorageorretrievalsystem,withouttheexpresswrittenpermissionofAgri-Fab,Inc.Unauthorizedusesand/or
reproductionsofthismanualwillsubjectsuchunauthorizedusertocivilandcriminalpenaltiesasprovidedbytheUnited
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