IMER Workman 420 II Datasheet
(IMERU.S.A. Inc.
'7WORKMAN 420IIMULTIMIXER
Thank-you
forpurchasing
aWorkman420IIfromanImerU.S.A. dealer. Yourdecisionisan
intelligent one.
Thereis nootherconcretemixerintheworldwhichdeliversthe benefitsandfeaturesofthe
Workman420II.
-Extremelyrigid, migwelded barsteelframe.
-5.5H.P. Honda with lowoilalert.
-Fullwidthfenders.
-TorsionBarsuspension.
-Advancedrumand
paddledesign,excellentmixinganddischarge action.
-Telescopic
footstandswhich provideadditional stabilityduringoperation.
AtImerU.S.A.wecontinually
searchfor
waystobetterserveourcustomers.Should youhave
anideaorthoughttosharewith usregarding
thisproduct
wewouldappreciatehearing
from
you.Ourmotto is "ToolsandServices forthe21st Century". Welookforwardtodelivering
the
goods.
Thankyouagain
foryourpurchase.
MaceT. Coleman,Jr.
President,ImerU.S.A., Inc.
IMERWEST
207LawrenceAvenue
So. San Francisco,CA94080
Tel 650- 872-2200
Fax650- 873-6482
-2-
IMER EAST
221
Westhampton
Place
CapitolHeights,
MD 20743
Tel301
-336
-
3700
Fax301 -336 -6687
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'7WORKMAN 420IIMULTIMIXER
Table ofContents
IMER U.S.A., INC.
WORKMAN42011 MULTIMIXER
INSTRUCTIONMANUAL
NOTE: Please read this manualbefore beginning to
assembleoroperatethispieceof
equipment.
ASSEMBLY 4
IMPORTANTNOTESANDADVICE 5
OPERATING INSTRUCTIONS 7
MAINTENANCE 8
BASIC TROUBLE SHOOTING - TECHNICAL SPECIFICATIONS... 10
SPAREPARTS 11
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'7WORKMAN 420IIMULTIMIXER
ASSEMBLY
+
TOWING
Essentially theWorkman 420 II isfullyassembled and readytooperate when itleaves the
assembly
facility
hereatImerU.S.A. However, therearea
coupleitemswhich should
always becheckedbefore
towingtheWorkman420II.
1. Makesureeachtireisinflatedto50 PSI(cold), and check theoillevel oftheHonda motor.
2. Make certain theretractable stabilitylegs areraised upfully
andlocked in place
withtheanchor
pinprovided.
3. Make certainthatthetowbar isproperlyanchored anditstowchainisin place. Itisalso important
toloop
thetowchain aroundthetowbarseveral timesbefore connecting ittoavehicle.
4. Make sure theengine canopydooris latchedshut.
5. Make certain thatthehitchsystem
onyour
caror truckiscompatible tothetowbartongue.
6. Finally,locallawsand ordinancesvary
fromstate tostate
regardingtheregistrationoftowable
constructionequipment, checkandseeifalicenseplate isrequired.Callyour local Departmentof
Motor Vehicles forthe proper procedure tofollow.
__NOTE
Statelawmayalsorequirea taillightassembly.
Checkwithyour local DepartmentofMotorVehicles fortheproper proceduretofollow.
-4-
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'7WORKMAN 420IIMULTIMIXER
IMPORTANTNOTESANDADVICE
Do'sandDon'tsontheSafeUse
oftheWorkman42011
Intheinterestofsafety,
whoeverusestheWorkman420IIshouldfirstreadthismanualandbecome
familiar with all oftheimportantsafety notes. Failureto followthisadvice mayresult in injuryto
yourself
andothers.
WHATTO DOI
-Carefullyreadand understandtheseinstructionsbeforeoperatingthemixer.ReadtheHondamanualtoo.
-
Always
turnoffthe
engineanddisconnect the
spark plugwire beforecleaningormaintainingthemixer.
Mixerspoweredby
electricmotorsshouldbeunpluggedfromtheir
powersource beforeservicingis
performed.
-Makesurethe
safetyguards are alwaysin
place.
-When usingthemachinealways
wear
safety
bootswithreinforcedtoe-caps,safetyglasses, gloves,
hardhat,and
clothing
withthe
appropriatefit. Looseclothingcancauseinjuryshoulditbecomeentangled
with themixer.
-Practicestarting and
stopping themachine.
-Keep themixercleanandfreeofdebrisbuild-up.
-Periodicallyinspectyour
mixerforabnormalwearordamage.
-Alwaysstop
the
enginebeforeadding fuel.
-Donot
operatethemixerwhile undertheinfluenceofdrugsoralcohol.
-
Alwaysoperatethemixeronalevelsurface.
-WhenloadingtheWorkman itisthebesttopouryourbagged materialintoa5
gallon bucketthen pour
it
intothedrum.
-Itismuch easieronyourbodyand safertootoload thedrum inthismanner.
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'7WORKMAN 420IIMULTIMIXER
IMPORTANTNOTESANDADVICE
WHAT NOTTO DO!
DO NOT
Placeyour
hands orany
other
object
insidethemixerdrum while itisrunning.
DO NOT
Placeany
toolsorother
objects
in oraroundthemixerdrumwhileitisrunning.
DO NOT
OperatethemixeronasurfacethatisUNEVEN..., if
theWorkman isplacedonanincline,itcanfall over
orrollaway.
DO NOT
Clean,assemble orworkonthemixerwhileitisplugged in!
DO NOT
Operatethemixer
inoraroundwater
puddles!
DO NOT
Leavethemixerunattended!
DO NOT
Allowother
personsaround themixerwhileitisoperating
DO NOT
OperatetheWorkman II 420 if
youareuncertainastohowtorunthemachine....Contactyour
local Imer
DistributororcallImerU.S.A. at800-275
-5463
DONOT
Operatethemixerwhileundertheinfluenceofdrugsoralcohol!
WEWANTSAFEANDEFFICIENT
PRODUCTION/OPERATION
FOR
ALLOURCUSTOMERS!
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'7WORKMAN 420IIMULTIMIXER
OPERATINGINSTRUCTIONS
1. Beforestartingthe
enginereadthe Hondamanualprovidedand becomefamiliarwiththeGX160
powerplant. Especially important istochecktheoil level dailyand change itmonthly.Additionally,
cleaningtheair filter
weekly
ensures
consistentlygood performance.
2. OperatethetheWorkman 420IIonalevel surface. Foradditional stabilitythe
telescopic footstands
canbeloweredandlocked intoplace.
3. To putthedrumin theloadingposition rotatethedumpwheel until thedesired drumpositionis
achieved.
4. Starttheengineandsetthethrottleat3/4tofullon.
5. Nowadd1/2ofthewaterwhich willberequired andthenbegin toaddthecementand
aggregates.
Additionalwatercanbeaddedasthecementandaggregates
mixtogether.
____ BE CAREFUL !
DoNot
putyour
shovelor
yourhandsinsidethedrum!
6. To put thedrumin thedischargepositionrotatethe
dump wheeluntill thedesireddrumposition
isachieved.
7. Duringthe
loading, mixing,anddischargecycleitisimportant tokeep themixer
running atalltimes.
8. Alwaysprepareyour
worksitetohavealevel groundsurface, theMixermustbestableas
you
loadand
discharge
thedrum.
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'7WORKMAN 420IIMULTIMIXER
MAINTENANCE
Lubrication
1. Alltheother
components
onthemixerwhich engageormovebackandforthshouldbelubricatedwitha
light aerosoltypelubricant ona
weekly
basis.WD-40works wellforthisapplication.
2. Essentially
the
gearboxissealedforlife.Thequalityofthe
gearsandthelubricantaresuchthat
changing
theoil isnotnecessary.If
youwanttochange theoil,see your
dealerorcall IMER U.S.Adirectly
for
instruction.
3.Oneayear
removethecast
cap
fromthe
top
halfofthe
dumpgearassembly
and
grease
itupgood.
(Part#34, page 12)
Belt Tension
1.Themixerhasthreebelts: twoin the
canopy
and theotherin thearm.Thebeltsareproperlyadjusted
beforeleaving our
factory, however,itisa
good ideatochecktheirtensionbefore operatingthemixer.
Then,
whenonebeltbecomes loose,tighten itbacktothisoriginalcondition.
It"
(p '______
Thebeltswillstretchthemostduringthefirstfew
hoursof
operation checkthemfrequently, and
alwayskillthemotoranddisconnectthe
spark
plug
wirebeforetouchingthebelts. Or,if
yourmachinehas
anelectricmotor, unplug
itfromthe
powersource
beforeadjustingthebelts.
2.Totightenthebeltsinsidethecanopy
loosentheboltswhichanchorthe motormountplate
tothemixerframe.This allowsthemotormountplate
toslidedownthe
frame,whichin turn
tightensthe belt.Thebeltshould have 1/4" to 3/8"of play. Nowre-tighten
theboltswhich
anchorthemotormount
plate.
3.To tightenthe beltinsidethe armloosenthe
4 nutswhichanchorthegearboxonthe arm.
Tighten
thebelt byturning
the
adjustment
bolt.Thebelt shouldhave 1/4" to3/8"ofplay,do
notover
tighten asthisshortenstheirdrivelife.Nowre-tighten
the
gearbox
anchorbolts.
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'7WORKMAN 420IIMULTIMIXER
it
f\
NOTE
Itisveryimportantto keeptheenginepulley
andthe
drivepulleyinline withone another.Failure to
maintain thisalignment willcause thebeltto twistand
then break.
IAMISC.
Everymonth checkallthe mixer'smountinghardware to
ensure allthenutsandboltsareproperlytightened.
Wheel Bearings
1. Thewheel bearings
shouldbecleanedandrepackedevery
6monthsto1 year. Theinterval
being
dependantupon theamount oftime themachineis towed,and underwhatconditions. This
maintenance
procedure
isthesameasthatforautomotivewheelbearings.
Engine
ReadtheHondamanual carefully ...and followtheirinstructions.
Changingtheoilandcleaningtheairfilter
frequentlyensure areliableand
longlasting motor.
Whenyoumay
needHondaEngineServiceor
WarrantyAssistance, takethemachinetoyour
localHonda
powerequipmentdealer,they
willhonorthe
warrantythroughoutAmerica.
IANOTE
Itisalways a good
idea to checkthe oillevelin the
enginecrankcaseatthestartofeachworkingday.
Clean oilatthecorrectlevelmakesforaenginethat
willlastandlast.
Mixer'sdrumdisassemblyand
re-assembly
Incaseit'snecessarytoremovethedrum, toreset itit'snecessary.
-tocleancarefullythe
gear
shaftconeand thedrumcone.
-toplacethedrum ontheshaft
cone, makingsurethatshaftshearpinisinsideitsseatinthedrumcone.
-toblockdrum
tighting screwwithwasher
byfollowingtighting torques:
Workman420II:440 ±20Nm.
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'7WORKMAN 420IIMULTIMIXER
TECHNICALSPECIFICATIONS
WORKMAN 11420
Drum capacity 14.5 CU. FT.
Batch Output II CU. FT.
Drum Diameter 37.4 Inches
DischargeOutlet Height 27Inches
PneumaticWheels 4.50-10 Inches (50PSI)
Power plants 5.5 HP HondaGXI6O
.
2.0 HP electric
Overall Operating Dimensions 83"x50"x66.5"
OverallStorage Dimensions 83"x50"x55"
Weight 621 LBS (282 Kg)
*Capacity based upon usable volume
Due to ImerU.S.A. 's commitmentto
ReasearchandDevelopment,
specificationsare subject
to changewithoutnotice.
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7WORKMAN 42011MULTIMIXER
SPAREPARTS
DRAWING 1.3 (WORKMAN 11420 CONCRETEMIXER -1105858)
Ref.
1
P.N.
3210815 ESCRIPTION
AIN FRAME NOTES
2 3209277 TOW EAR
3 3209918 RUM ARM
4 3209935 RUM
5 3209944 T-EOLT
6 3209843 T-EOLT WASHER
7 3206733 ELESCOPIC FOOT
8 3209915 RM SHAFT
UT
OLT -
NGINE -
9 2223921 M12
10 2222085 M12X90
Z
11 3209298 HONDA OX160
2 3209891 RANKSHAFT PULLEY
3 3206322 ASHER 0X30X5
4
5
6
7
8
6
2u
21
22
23
24
2210850
3209895
2248216
3210514
3210513
3209913
3210807
3213208
3208622
2227326
NGINE EELTS
ELTGUARD
ORSION EAR AXLE
RONT FOOT FRAME
EARFOOT FRAU 8
RIVE GEAR EOX
OLT
ORM GEAR
EARING
IRC LIP
FTD SPA 1000
047110
E 20
IJIX13
147
3209091 ELTGUARD
20
20 2222420 HEET METAL SCREW
IRCLIP2227622
27 3206740 EY IX11X25
20
20 2222061 OLT XOX 12
3200741 UY
30 2211407 YRE & WHEEL 0.10
31 3208704 NCOR FIN
32 3206833 UMF ARM SUFFORTELOCK
33 3213187 YLONEUSHING
34 3200630 EAR GUARD
35 2223923 ELFLOCKING NUT U 8
36
38
39
40
3213818
2223920
2222658
3213188
LUG
UT
OLT
YLON EUSHING
U 10
41 2224204 ASHER MO Z
42 3209808 OUNTING PLATE
43 3209978 ANDWHEEL
44 3200748 ANDGRIP
45 2222146 OLT
46 2222181 OLT M12X30Z
47 3209886 ELT 58036
48 3210512 AEEL
49 3209809 DLER SHAFT 47X17X7
50 3213811 IL SEALRING
51 3209176 ASHER D1OX3OX4Z
02 2257706 LUG
53
54
55
86
57
56
59
60
61
62
63
64
65
60
07
68
3200466
2220700
3209049
3209946
2222145
3209924
2204421
1227330
3204531
3209921
3209947
3203117
3209800
2229300
3209887
3208935
IN
PLIT FIN
NGINE MOUNT
NGINE MOUNT ERACKET
OLT
OLLER
OLLER SEARING
IRCLIF
EARING
ERPENTINEFULLEY
PACER
EY
HAFT
EY
ULLEY
ANOPYHOOD
0.12
HONDA
MIOXOOZ
6201 2R5
E IS
6004 2R5
60 3209826 ANOPYFRAME
70 32090SE OUNTINGERACKET
71 2221994 REOREOLT HONDA72 3209136 NGINE PULLEYGUARD
73 3209111 ATCH ARM
74 2222190 CREW 110X40 Z
75 3209948 LUG
77 3209945 LASTIC CAP
78 2222090 OLT
78 3208411 TOP SWITCH
80 2227040 ING
81 2222101 OLT
82 3207782 FENDERSUPPORT
83 2222800 CIT
84 2235452 LASTIC CAP
85
86
87
58
89
100
101
102
103
104
105
100
107
108
3200855
3206961
3206011
2223929
2234861
3212114
2227622
2204390
3213264
2220259
3213203
2204492
3213201
3213204
ORSION EAR EDLTSPEC]ALDUALITY
PACER
ENDER
UT
OWCHAIN
EAR EOX
IRCLIF
EARING
EVEL PINION GEAR
EY
HAFT
EARING
EDUCTION GEAREODY
EVELPINIONGEAR
C
02042Z.
Z.20 0.20
6263 Z
Z.280.17
—11—
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(IMERU.S.A.Inc.
'Y WORKMAN 42011MULTIMIXER
TABLE2-GEAR BOX-WORKMANIII42O
(C00. 3209913)
RIF. COD. GB NOTE
1 2222148 BOLT M10X65 Z
2 3213179 OILSEAL 90X65X10
3 2222153 BOLT M1OX100 7
4 3209515 GEAR BOX CASE
HALF
5 3209811 GEARBOX GASKET
6 3213177 SHEAR PIN 8 X 16
7 3209992 KEY 10X8X20
8 3209910 BEARING 6302 SKF
9 3209801 GEAR Z.79
10 2229259 KEY 6X6X14
11 3208975 PINION GEAR Z 11
12 3209514 GEAR BOX CASE
HALF
13 3200094 OILSEALRING 35X20X7
14 2229250 KEY 5X5X15
15 3208622 BEARING 6204 SKF
16 3209799 PINION GEAR Z 9
17 2222145 BOLT M 10X80 Z
18 3209921 SERPENTINE
PULLEY
19 3209989 SPACER
20 2223650 NUT M 10 Z
21 2224340 WASHER D=10 Z
22 3209994 BEARING 22211
23 2227207 CIRCLIP E 55
24 3208970 GEAR Z 76
25 3209993 BEARING 22208
26 3213180 LOCATING PIN D=8X30
27 3209912 CONICALSHAFT
28 1227330 CIRC LIP E 15
29 2227320 CIRCLIP E 20
-13-
24
I
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'7WORKMAN 420IIMULTIMIXER
UMS.A INC.
EQUIPMENTWARRANTY
IMERU.S.A.INC.
207Lawrence avenue
So.Sanfrancisco, CA94080
Tel.
(650)
872-2200
Fax(650)873-6482
Wewarranttothe
original purchaserthattheIMER equipment describedherein (the"equipment)
shallbe
freefromdefectsin materialand
workmanshipundernormal useandserviceforwhichitwas intendedfor
period ofone(1)year
fromthedate ofpurchase bytheoriginal purchaser.
Ourobligation underthiswarranty
isexpresslylimited toreplacingorrepairing,freeofcharge, F. O.B.our
designated service facility, suchpartofthe equipment as our inspection shalldisclose to be defective.
Partssuchasengines, motors, pumps, valves, electric
motors, etc.furnished byus,butnot manufactured
byus,willcarryonlythe
warranty
ofthemanufacturer.Transportationcharges
orduties shall beborne by
purchaser.Thisshall bethe limit ofourliability with respect tothequality oftheequipment.
Thiswarranty
shall notapply
toanyequipment, or parts thereof, which has been damaged by reason of
accident, negligence,unreasonable use,faultyrepairs,orwhichhasnotbeen maintained and operated in
accordance withourprinted instructionsforthe
equipment. Further,this warranty isvoid iftheequipment,
oranyofitscomponents, isaltered ormodified inanyway.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITYORFITNESS FORAPARTICULARPURPOSE.
We make nootherwarranty,representation or guarantee, nor isanyone authorized tomakeone onour
behalf.Weshall notbeliable forconsequential damage ofanykind, including lossor damage resulting,
directlyor indirectly,fromthe use orlossofuse ofthe machine. Without limiting the generality ofthe
foregoing, this exclusion from liability embraces the purchaser's expenses for downtime, damages for
which the purchaser maybe liable to otherperson, damages to property, and injuryordeath ofany
persons.
Thiswarranty shall notbedeemed tocovermaintenance parts, including butnotlimited toblades, belts,
hoses, hydraulic oil, orfilters,
forwhich weshall have noresponsabilityorliability whatsoever.
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