Agrimate AM-MPT-1100-6D User manual

User Manual
BEFORE OPERATING THIS MACHINE,
PLEASE READ THESE INSTRUCTIONS CAREFULLY
DISCLAIMER: DUE TO CONSTANT UPGRADATION, FEATURES AND SPECIFICATIONS ARE
SUBJECT TO CHANGE WITHOUT NOTICE
OPERATION AND MAINTENANCE MANUAL
AM-MPT-1100-6D
Rotary
Tiller/Power
Weeder/
Cultivator
AGRIMATE ROTARY TILLER
AM-MPT-1100-6D-M (MANUAL)
Power Weeder / Rotary Weeder / Cultivator

2
Something about this manual
Thank you for choosing our Rotary Tiller/Power Weeder/Cultivator
• This manual contains about operation and maintenance of Diesel Rotary Tiller/Power
Weeder/Cultivator.
• Allcontentsinthismanualarebasedonthelatestinformationwhenthemanualisprinted.
• Themanufacturehastherighttorevisethemanualwithoutanypriornoticeandwillnotbear
anylegalresponsibility.
• Nonepartsinthismanualcanbecopiedwithoutformalapproval.
• Thismanualshouldberegardedasapartofthetillers,soitshouldbehandedoverwhenresold
or lent.
Safety information
Safetyisveryimportantforyouandothers.Wehavewrittendownimportantsafetyinformationin
bothmanualandmachine.Pleasereaditcarefully.
Safety information gives you warning that you may bring potential danger to yourself and others.
Thekeywordswith“!”areputbeforeeverypieceofinformation.Thesewordsare“danger,warning,
attention”.
• Pleasepayattentiontothemeaningsoftheabove-mentionedidentiers.
! Danger: ifyoudon’toperatefollowthoseindicatedinthemanual,seriousinjures,even
deathwillbecaused.
! Warning: ifyoudon’toperatefollowthoseindicatedinthemanual,devicedamageand
injureswillbecaused.
! Attention: ifyoudon’toperatefollowthoseindicatedinthemanual,devicedamageand
injuresmaybecaused.
Damage prevention
Youcanseeotherimportantinformationmarkedwith“ATTENTION”.
! Attention: Ifyoudon’toperateasthoseindicatedinthemanual,devicedamagewillbe
caused.
Safety prevention
IfRotaryTiller/Power Weeder/Cultivator is operated follow those indicated
in the manual, it will work safely and reliably. Before operating the Rotary
Tiller/PowerWeeder/Cultivator,pleasereadthismanualcarefully.Otherwise,
injuresanddevicedamagewillbecaused.
ATTENTION
• Whenstartingengine,pleaseturngearlevertoneutralposition.
• Whenthemachineisworking,pleasepayattentiontosafety!
• Becarefulabouttherotaryblades,becausetheymayhurtyou!
• Whenholdingthebackshiftbar,thegearlevermustbeputintheneutralposition.
• Fuelandlubeoilmustbeclear.
• Whenshiftingthegear,youmustdisconnecttheclutch.

3
Contents
Chapter1 ProleofRotaryTiller/PowerWeeder/Cultivator
 specication
 generalpictures
Chapter2 MainfunctionofRotaryTiller/PowerWeeder/Cultivator
rotary tillage
 ditchingandridgeforming
 shortdistancetransportation
 multifunctionalwork
Chapter3 OperationandapplicationofRotaryTiller/PowerWeeder/Cultivator3
 unpackingassembly
 installationandadjustmentofcables
checking and refueling
starting
 operation
connection of attaching tools
 attentionitemsofusingRotaryTiller/PowerWeeder/Cultivator
Chapter4 MaintenancemethodofRotaryTiller/PowerWeeder/Cultivator
 running-inofRotaryTiller/PowerWeeder/Cultivator
 technicalmaintenanceofRotaryTiller/PowerWeeder/Cultivator
 technicalmaintenancetableofRotaryTiller/PowerWeeder/Cultivator
 long-periodstorageofRotaryTiller/PowerWeeder/Cultivator
Chapter5 DebuggingmethodofRotaryTiller/PowerWeeder/Cultivator
 debuggingmethodofbevelgearassy
 debuggingmethodofbackshiftgearandcable
 debuggingmethodofclutchcable
 debuggingmethodofguncable
 debuggingmethodofhandlebar
Chapter6 TroubleshootingofRotaryTiller/PowerWeeder/Cultivator
 troubleshootingofdieselengine
 troubleshootingofclutch
 troubleshootingofgear-box
 troubleshootingofrunninggear
 troubleshootingofotherparts
Chapter7 Instructiontableofattachingtools
Chapter8 BearingsofRotaryTiller/PowerWeeder/Cultivator

4
Chapter 1 - Profile of Rotary Tiller/Power Weeder/Cultivator
General picture:
1 handlebarassy
2 safety cover
3 gearboxassy
4 dragbar
5 shiftlever
6 fender
7 rotarydevicecomponents
8 rotaryblades
9 running case assy
10 dieselengine
Engine Specifications
Engine Model AM178F
Type SingleCylinder,Vertical,DieselEngine-4S,AirCooled
Starting recoil start
Fuel Diesel
EngineOilCapacity(Litre) 1.1
CapacityofFueltank(Litre) 3.5
Valve OHV
RatedPower-kw/HP/RPM 4kw/5.4hp/3600
Displacement(cubiccapacity),(cm3) 296
Bore/Stroke(mm) 78×62
Max.speedatnolaod(HighIdlingSpeed) 3680
Ratedspeed(rpm) 3600
Lowidlingspeed(rpm) 1400
Speedatmaximumtorque(rpm) 2880
Air Cleaner Oilbath
Engine Weight 33Kg
Transmission Specification
Weeding-Width 1100mm
Weeding-depth 150-300mm
Gear Shifting -1,1,0,2(H/L)
Grade of oil SAE-15W-30
GearBoxOilcapacity(Litre) 1.8
GearDistance(mm) 500
Productivity(mu/h) 0.8-1.5
Weight with Accessories with Engine 145Kg

5
Chapter 2 - Main function of
Rotary Tiller/Power Weeder/Cultivator
Weedingbladesassy:
WeedingbladesassycomponentsareinstalledonbothsidesofthedrivingshaftofRotaryTiller/Power
Weeder/Cultivatorrunninggear.TightentheshaftwithtwoboltsM8×55.ThentheRotaryTiller/Power
Weeder/Cultivatorcanwork.(Lookattable2andPicture2).
Table 2
Weeding device
mode
3groups 4groups
3blades 4blades 3blades 4blades
Weedingblades 3×6 4×6 3×8 4×8
Weeding
scope(mm) 765 1050
Suitablesoil Paddyeldwithinsufcient
water; clayed soil solid soil Wet soil Dry soil
Picture 2: Weeding device Picture3: ditching device
Ditching and ridge forming
Take away shift lever, install ditching device and adjust the width and height of ditching device.
(Picture3)
Short distance transportation
InstallforearmofRotaryTiller/PowerWeeder/Cultivatorcaseonthedragbodyandwheelsonthe
drivingshaft.Theratedloadis250kg.Attheratedspeedofdieselengine,fastshiftspeedisabout
10km/handslowshiftspeedis5km/h.
Multifunctional work
Takeawaythesafetycoverofgearbox(num.2inpicture1),nthebackboltofmainshaft,thekey
sleeveoftheshaft,theninstalltheattachingbeltpulleyandcouplingonthemainshaftofgearbox
andfastenwithbolts.OrdinaryV-beltA-modelisusedforthecrosssectionofbeltpulley.Therated
speedofbeltpulleyis3000r/m.Whenitisattachedwithrelativemachinetools,auxiliarytools,you
cancarryoutsuchmultifunctionalwork:bailing,sprinkling,chemicalspraying,threshing,reapingand
generatingpower.

6
Chapter 3 - Operation and application of
Rotary Tiller/Power Weeder/Cultivator
1. FixthebodyofminiWeeder,installrunningwheelsonbothsidesofhexagonalshaftandx
thewheelswith2boltsM8×55,2nutsM8.
2. Handle bar installation: turn the two
uteddiscsonthehandlebartorightwiththe
uteddiscsonbothsidesofthediscplate.Pay
attentiontoadjusthandlebarposition.Connect
it with auxiliary bolts M16×140 and gasket
16,thenxestheclutchcable,guncableand
backshiftcableonthehandlebarwithwiredip.
3. Shift lever installation:takeawaythepins
betweentheshiftleverandconnectingshelfto
get the shift lever and adjust its direction by
180°.
4. Mud fender installation:install frames of
both sides and protection frame components on the Rotary Tiller/Power Weeder/Cultivator.
Theninstallprotectionpanelofbothsidesandpaddyeldprotectionpanelofbothsides.
Installation and adjustment of cables
1. clutchcableadjustment(lookatpicture5and6)
• Unlocknutsonthescrewrod.
• Instantaneouslyrotatethescrewrodtoshowtheshortestpartofthehandlebar.
• Threadthecableheadintoclutchplugbehindthegearboxassyandmakesuretheheadis
inthebigholeoftheplug.
• Threadthesteelwire-ropeintotheM8holeofarmplug,andthenproperlypressdownthe
clutchforkarmtoinsertthecableheadintoclutchplug.
• Rotateoutthescrewrodandclipitrepeatedly,unlocktheclutchhandlebaruntilspring
forceofclutchcanrepositionthebar,andthenfastenthenuts.
2. backshiftcableadjustment(Picture5and6)
• Unlockthefastennutsonthescrewrod.
• Instantaneouslyrotatethescrewrodtoshowtheshortestpartofthehandlebar.
• Threadthecableintothebackshiftshaftatthesideofgearboxandmakesurethecable
headisinthebigholeofshaft.
• Properlycounterclockwiserotatethebackshiftforkshaft,threadthecableintothenarrow
slitofbackshiftplugthroughthesideofthegearboxandmakesurethecableheadisin
thebigholeoftheplug.
• Rotateoutthescrewrodandholdfastitrepeatedly,unlockthebackshiftbar.Whenspring
forcecanrepositionthebar,youshouldfastenthenuts.
Picture 4 : uppackingssembly

7
3. guncableadjustment(lookatpicture7)Diagram
• Turngunswitchtothefastestposition.
• Threadthesteelwire-ropeofthegunintothepoleandplugofregulationpanelofthe
diesel engine gun.
• Fastenthesteelwire-ropeandxthescrew.
• Adjustthegunswitchrepeatedlyuntilthegunbaroftheregulationpanelcanbeinthe
fastestorslowestposition.
Checking and refueling
1. Checkwhethertheconnectionboltsarelooseornotandfastenthelooseboltsaccordingtothe
boltmomentinthefollowingtable3(dieselengineboltsandnutsmomentisindieselengine
instruction).
Table 03
Name Moment(N.M)
Flange and diesel engine 20~25
Flangeandgearbox 35~40
Boltsbehindthemainshaftofgearbox 10~12
Boltsonthebackshiftshaftofgearbox 26~40
Boltsbetweentheengineframeandrunningcase 35~40
Bolts on the end cover of running gear 10.6~15
Boltsonthedragbarofrunninggear 50~60
Boltsbetweentherunninggearandgearbox 35~40
Dragbar 45~60
Boltsonthebottomplateofdieselengine 35~40
Boltsonthehandlebarframe 35~40
2. Checkifthehandlebarsoftheoperationsystem(gun,clutch,shiftlever,backshift)areexible.
Iftheyarenotintheirpositions,pleaseadjustthem.
3. Turnlevertotheneutralposition.
4. Refueling:
• SAE10W-40oilisrecommended.Pleaserefertothepicture9.
• Refuelthegearboxwithoilnum20.Laydownthemachine,
andrefuelthroughtheholeupperthegearbox.Checkingoil
levelby dipstick(attention:notrotatethe oilruler).Theoil
level should be in the range of the dipstick showed in the
picture.

8
• Refuelaircleanerwithoil,takeawaythesyntheticglasscovertentbelowthecleaner,and
refuel0.1Lnum.20oil.
• Choosedieselengineoilaccordingtotheworkingenvironment(Picture9)
5. Refueltheoiltankwithnum.0,num.-10ornum.-20lightoil(pleaserefertothedieselengine
instruction).
! Attention: fuellevelshouldnotexceedabovethemark.
6. Makeforestartingpreparationsaccordingtothedieselengineinstruction.
Starting(attention: the shift lever must be in the neutral position)
1. Startdieselengineaccordingtotheprocedureofinstruction.
2. The diesel engine should run 2 to 3 minutes at the idle speed (1500 to 2000r/m)
withno-load.
3. Checkifthedieselenginerunsnormally.Ifnot,itshouldstopworkingandbeinspected.
operation(attention: Rotary Tiller/Power Weeder/Cultivator must go through running-in
before operating. Please refer to chapter4)
1. Slowgear
• Holdtheclutchbarwithlefthandtoopentheclutch.
• pull back the shift lever with right hand, meanwhile, pay attention if it is in the slow
position,thenholdtherightbarwithrighthand(attention:donotholdthebackshiftbar).
• Slowly unlock the clutch bar to close the clutch. In this situation, Rotary Tiller/Power
Weeder/Cultivator can run at slow gear.
• Speedupproperlywithrighthand,thenRotaryTiller/PowerWeeder/Cultivatorcanrunat
alowspeedof5km/h.

9
2. Fast gear
• Holdtheclutchbarwithlefthandtoopentheclutch.
• Pushtheshiftlevertothefrontwithrighthand,meanwhile,payattentionifitisinthefast
position,thenholdthebarwithrighthand(attention:donotholdthebackshiftbar)
• Slowly unlock the clutch bar to close the clutch. In this situation, Rotary Tiller/Power
Weeder/Cultivator can run at fast gear.
• Speedupproperlywithrighthand,thenRotaryTiller/PowerWeeder/Cultivatorcanrunat
aspeedof10km/h.
3. Back gear
• Holdtheclutchbarwithlefthandtoopentheclutch.
• Adjusttheshiftlevertotheneutralpositionwithrighthand.
• Slowlyunlocktheclutchbartoclosetheclutch,thenRotaryTiller/PowerWeeder/Cultivator
willstepback.(attention:donotunlockthebackshiftbar)
• Ifitisunnecessarytostepback,youshouldholdfastclutchbarslowlywithlefthand,then
unlocktheshiftbarwithrighthand.
4. Whenshiftingintheprocessofrunning,youshoulddecelerate(thestandard should be the
continuous work of diesel engine), then close the clutch. You should change the shift until the
machinestopworking
5. Whenchangingthedirection,youshouldrotatethebartoleftorright.(attention:donotmis-
holdthebar,soastoavoiddamagingthewheelswhendirecting)
6. Stopworking
• Holdtheclutchbarwithlefthandtoopentheclutch.
• Afteradjustingtheshiftlevertotheneutralposition,youshouldunlocktheclutchbarto
makethemachinestopworking.
• Whenitnecessarytostopworking,theprocedureshouldbedoneaccordingtothediesel
engineinstruction.(attention:thisworkisusuallydoneonthesmoothground.)
Connection of attaching tools
1. Whenrotating,youshouldtakeawaythewheels,xhexagonalsleeveofrotarydeviceonboth
sidesofthehexagonalshaftwithboltsM8×55.Attention:therearebladeunitsonbothsides;
makesurethebladecuttingedgeworksrstlywhentheRotaryTiller/PowerWeeder/Cultivator
runs.Aftertherotarybladesareinstalled,youmustinstallthesafetypaneltopreventinjures
byblades.Weedingdepthcanbeadjustedthroughadjustingshiftleveranditsincludedangle
withtheground.(refertotable4)
2. Weeding blades assy of paddy eld:
whenthedepthofpaddyeldisbelow
25cm,youcangoWeedingwithcurved
bladesofpaddyelddirectly.Whenthe
depthofpaddy eld is between25-45
cm, you can go Weeding with rotary
wheelsofpaddyeld.table4

10
3. Whenditching,youshouldtakedownshiftlever,installtheditcherandadjustitsdepthand
height.Afternishingthese,youcandoditchingwork.(lookatpicture3)
 Rangeofditchingscope:14cm-40cm
Rangeofditchingdepth:11cm-25cm
4. Short-distancetransportation
 Install forearm of Rotary Tiller/Power Weeder/Cultivator case on the drug bar of running
gearandinstallwheelsonthedrivingshiftoftherunninggear.Afternishingthese,youcan
transport.Theratedloadis250kg.Undertheratedrotaryspeedofdieselengine,thefastspeed
isaround10km/handslowspeed5km/h.
5. Multifunctionalwork
 Takeawaysafetycoverbehindgearbox,boltsbehindmainshaft,takekeysleeveofshaft,push
thebeltpulleyorkeyslotofcouplingintothekey,thenfastenitwithbolt.V-beltA-modelis
usedforthecrosssectionofbeltpulleyslot.Theratedrotaryspeedofbeltpulleyis3000r/m.
whenitisattachedwithrelativemachinetools,youcancarryoutsuchmultifunctionalwork:
bailing,sprinkling,chemicalspraying,threshing,reapingandgeneratingpower.
Attention items of using Rotary Tiller/Power Weeder/Cultivator
1. WhenusingRotary Tiller/Power Weeder/Cultivator,youshouldpayattentionto theworking
situationandsoundofeverypart,checkiftheconnection is good. There mustn’tbeloosed
connection.Ifthereis abnormal situation, you should stoptheRotaryTiller/Power Weeder/
Cultivator and check..
2. NevercarryoutworkwithheavyloadifRotaryTiller/PowerWeeder/Cultivatorhasnotbeen
usedforalongtime,especiallythenewonesortherepairedones.
3. Payattentiontotheoillevelofdieselengineandgearbox.Whentheyareinsufcient,please
refuelthem.
4. Nevercoolthedieselengineinthewayofwater-pouring.
5. PreventRotaryTiller/PowerWeeder/CultivatorfromfallingdownwhenWeeding.
6. NeverinstallRotaryTiller/PowerWeeder/Cultivatorwithrotarybladesworkonsandorstoneto
avoiddamagingblades.
7. After Weeding, pay attention to clear away dirtiness on the Rotary Tiller/Power Weeder/
Cultivator:mud,grassandoilstain.
8. Frequentlywashthespongeintheairlter,andchangeoilmoreoften.
VIII.Attentions of Operating Engine:
1. BREAK-IN OF NEW ENGINE :
Ifyourenginehasnotbreakinginyet,improperusagewillshortenthelifeofengine.theinitial20hrs
isthebreak-in-period.Theoperatormustobeythefollowingitems:

11
2. RUNNING IN FOR 5 MINS AFTER FIRST START.
Runningwithlowspeedandlowloadbeforetheenginegetshot.Avoidrunningwithhighspeedand
fullload,orlowspeedandnoload.
3. AVOID RUNNING WITH OVERLOAD.
Duringbreak-inperiod,theenginecan'trunwithfullload,butcanrunwith3000rpmand50%load.
4. CHANGE ENGINE OIL REGULARLY.
Afterworkingfor20hrs,changetheoilwhenengineisstillwarm,
otherwiseitwillbedifculttodraintheresidualoilintheengine.
IX. Oil Bath Type Air Filter:
1. Checktheoillevelbeforeoperating.
2. Filloil uptoupperlimit.Ifoilisdirty,changeit.Pleaseusedieseltocleanoilbath element
frequently,thendiptheelementintheoilandsqueezeoutextra.
Running
WARNING
• Besuretooperatetheengineinagoodventilatedplaceinordertoavoidexhaustpoisoning.
• Avoidlettinghands,body&clothesentangleinoutputshaft,beltpulley,V-typebeltpulleyand
othermovingparts,soastopreventfromgettinginjured.
• Stoptheenginerstandthenmaintainthemovablepartsandotherpartsaroundit.Makesure
therearenotoolsandsundriesinthebodyoftheenginebeforeoperating.
Run engine for 5mins to warm up
NOTICE
• Themuferbecomesveryhotduringandimmediatelyafteroperation.Don'ttouchit.
• TheairlterwillinWeederetheairarounditselfwhentheengineworks.
• Don'tletthehands,bodyandclothesapproachtheairltertoavoidinjury.
After the engine becomes warm, put the speed lever on necessary position to run the
engine.
NOTICE
• Besuretousethespeedlevertoadjustthespeedofengine.
• Donotloosethespeedlimitscrewandfuelcontrolscrew;otherwisethespeedandoutputof
enginewillbeabnormal.
Running
a. Iftheenginegivesoutblacksmokecontinuously,itisbecausetheengineisoverloaded.The
beltpulleyoftheengineorthatofthepoweredequipmentmustbeadjusted.
b. Payattentiontothefollowingpointswhentheengineisrunning:
i. Whetherthereisabnormalsoundandvibration?

12
ii. Whethertheexhaustisnormal?
iii. Whethertheenginegivesoutwhiteorblacksmokecontinuously?
 Ifanyoftheabovephenomenaisdetected,stoptheengineimmediatelyandcontactthe
nearbydealer.
X. Methods of Starting the Rotary Tiller/Power Weeder/Cultivator
a. StartingbyHand:
• Openfuelswitch.
• Putenginespeedleverinthestartposition
• LockAuto-cutoffswitch.
• Holdrecoilstarterhandle.
• Pullthestartinghandleslowlyuntilyoufeelresistance,thenreleaseitslowly.
• Push the decompression lever down by hand to no compression position. It will get back
automaticallybyitselfaftertheenginegetsstarted.
• Starting : hold the starting handle with two hands, pull the rope lightly until you feel the
resistance,thenpulltheropefastwithstrength.
• Ifitisnoteasytostarttheenginewhentheweathergetscold.Youcouldtakedowntherefuel
screwonthecylindercoverandllin2mloilbeforestarting.
Notice
Tightentherefuelscrewonthecylindercoverexceptllingoilinordertoavoidrainanddusttogetin
theengineandwearingordamageoftheengine.
XI. Safety Instructions:
Do's...
• Dovisualcheckbeforestarting,everytime
• KeepRotaryTiller/PowerWeeder/CultivatorClean
• DouserecommendedFuelandLubricantsOnly
• DoCheckFuelLevel
• DoCheckAirIntakeFilteroillevel
• DoCheckEngineOilandGearOillevels
• DoCheckforanyleakage
• DoCheckDecompressKnobbeforestarting
• DoCheckGearinNeutralpositionbeforestarting
• DouserecommendedattachmentsOnly
• Domaintaindistance(1ft)frombuildingsandotherequipmentswhenoperating,toavoidany
accidents
• Keepawayfromammablematerials
• Keepawayfromchildrenandpetstoavoidanyinjuriesoraccidents.

13
• Only operator with knowledge of machine and its operations must be permitted to operate
Agricultrual Weeder
• Muststopenginebeforerefueling,andrefuelingoodventilationplace
• MustcleanandspilledoroverownfueloftheAgricultrualWeeder
• LetRotaryTiller/PowerWeeder/Cultivatorcooldownbeforestoringindoors.
Don't's...
• Don'toverowthefuel,butalsoneverletfueltankrunoutempty
• Don'tuseadulteratedfuel
• Don'tsmokeorallowameorsparkwhereRotaryTiller/PowerWeeder/Cultivatorisrefueledor
where fuel is stored
• Don'tinWeedereexhaustforitcancontainpoisonouscarbonmonoxide
• Don'trunRotaryTiller/PowerWeeder/Cultivatorwithoutadequateventilation
• Don'tlean/tiltDieselWeedermorethan20°,otherwisefuelmayspill
• Don'tcoverRotaryTiller/PowerWeeder/Cultivatortopsoastoavoidre
• Don'ttouchmufer/exhaust,asitgetshotwhenoperatingandstayshotforsometimeafter
stopping
• Don'tdelayonserviceschedules
• Don'tOperateDieselWeedercontinuouslymorethan2hrs.30minsforanygivenoperation(Give
breakof20mins)
• Don't make any alterations in Design, Operations and Functioning of Rotary Tiller/Power
Weeder/CultivatorotherthanCompany'srecommendation.

14
Chapter 4 - Maintenance of Rotary
Tiller/Power Weeder/Cultivator
Duetorotarysituation,abrasionandloadchangeofRotaryTiller/PowerWeeder/Cultivator,boltswill
becomelooseandpartswillbewornduringthework.Thesechangeswilldestroytheproperworking
stateofRotaryTiller/PowerWeeder/Cultivator,createabnormalttingclearance,degradeoutputof
dieselengine,increaseoilconsumption,leadtothemaladjustmentofspareparts,increasemalfunction
of Rotary Tiller/Power Weeder/Cultivator. All these will seriously affect the working efciency of
RotaryTiller/PowerWeeder/Cultivator.Todecreasethefrequencyoftheabove-mentionedaccidents,
preventionofmaintenanceworkmustbedonestrictlyandregularlytokeeptheRotaryTiller/Power
Weeder/Cultivatorinagoodtechnicalstateandprolongitslife.
Running-in of Rotary Tiller/Power Weeder/Cultivator:
1. Asforrunning-inofRotaryTiller/PowerWeeder/Cultivator,pleaserefertoitsinstruction.
2. IfRotaryTiller/PowerWeeder/Cultivatorisneworisjustheavyrepair,itshouldworkwithout
load for one hour. After the Rotary Tiller/Power Weeder/Cultivator works with light load for
vehours,alloilingearboxandcrankcaseofdieselengineshouldbedrainedimmediately.
Afterwards,youshouldrefueladequatecleanoil,runtheRotaryTiller/PowerWeeder/Cultivator
atidlespeedfor3to5minutestowashit,thendrainoilcompletely.Pleaserefueloilandcarry
outrunning-infor4hoursaccordingtotheforthprocedureofchapter3.Bydoingso,theRotary
Tiller/PowerWeeder/Cultivatorcanworkinnormalcondition.
Technical maintenance of Rotary Tiller/Power Weeder/Cultivator
A. Every-timemaintenance(beforeandafterwork):
1. Listenandcheckifthereismalfunctionofeverypart(suchasabnormalnoise,overheat,
loose screw and so on).
2. Checkifthereisoilleakagefromdieselengine,gearboxandrunninggear.
3. Checkiftheoillevelofdieselengineandgearboxisbetweentheupperandlowerlimitof
dipstick.
4. Cleanthewholemachineandsparepartswhicharewithmud,grassandoilstainregularly.
5. Dodailyrecord.
B. Primarymaintenance(per150hours)
6. Carryoutmaintenanceworkbasedonallcontentsofevery-timemaintenance.
7. Washgearbox,runninggearboxandchangelubeoil.
8. Checkandadjustclutch,shiftsystemandreversegearsystem.
C. Secondarymaintenance(per800hours)
9. Carryoutmaintenanceworkbasedonallcontentsofprimarymaintenance.
10. Checkallgearsandbearings.Iftheyarefrettedseverely,pleasereplacethem.
11. CheckotherpartsofRotaryTiller/PowerWeeder/Cultivator,suchas:rotarybladesorbolts
andsoon.Ifthereisdamage,pleasereplacethem.
D. Technicalinspection(per1500-2000hours)
12. Takethewholemachinetothespecicmaintenancestation,tohaveacheck.Ifthespare
partsareseverelyfretted,theymustbechangedorrepairedaccordingtothesituation.

15
13. Invitespecialtechniciantocheckfrictionplateandclutch.
E. Asforthemaintenanceofdieselengine,pleaserefertoitsinstruction.
Technical maintenance table of Rotary Tiller/Power Weeder/Cultivator(mark”0”
indicates the maintenance contents)
Working intervals
andmaintenance
contents
Every
day
Work with
Weederf
loadfor8
hours
Work for
onemonth
or20hours
Work for 3
monthsor
150hours
Every year
or1000
hours
Per 2 years
or2000
hours
Check and tighten
nuts,bolts
0
Check and refuel
lube
0
Check and change
lube
0(rsttime) 0(second
time)
0(thirdtime
ormore)
Check if there is
oil leakage
0
Cleanmud,grass
and oil stain
0
Debug
malfunction
0
Adjustoperation
parts
0
Frictionplateof
clutch
0
Gears and
bearings
0
Long-period storage of Rotary Tiller/Power Weeder/Cultivator
WhenRotaryTiller/PowerWeeder/Cultivatorneedsstoringforalongperiod,thefollowingmeasures
shouldbetakentopreventtarnishing.
1. Keepdieselenginewithsealaccordingtoitsinstruction.
2. Washoilstainandcleandustonthemachine.
3. Drainlubeoilinthegearboxandrefuelnewoil.
4. Paintpicklingoilonnon-aluminumpartswherethereisnopaint.
5. Store Rotary Tiller/Power Weeder/Cultivator in the dry, safe place where there is enough
aeration.
6. Properly keep the attaching tools, certicates of conformity and instruction of Rotary Tiller/
Power Weeder/Cultivator.

16
Chapter 5 - Debugging method of
Rotary Tiller/Power Weeder/Cultivator
Debugging method of backshift gear and cable
WhenreverseofRotaryTiller/PowerWeeder/Cultivatorisabnormal,youshoulddebugthebackshift
handlebarandcable.Asforthemethod,pleaserefertochapter3.
! Attention: 1. Hold,unlockbackshifthandlebartwicetothreetimes,whichistoputinto
gear.Ifthegearisnotproperlyadjusted,pleasedebugituntilitiswelldone.
2. When driving the Rotary Tiller/Power Weeder/Cultivator, please unlock
backshifthandlebar.Afternishingthis,backshift gearshouldreturntoits
original position immediately, and there should not be abnormal collision
noiseinthegearbox,otherwise,gearwillbedestroyed.
Debugging method of clutch cable
Duetofrictionplateabrasion,clutchforkabrasion,functionoftheclutchbecomepoorafteraperiod
ofuse.Therefore,youshoulddebugtheclutchcable.Asforthedebuggingmethod,pleasereferto
chapter3.
! Attention: 1. Hold,unlocktheclutchhandlebarfortwicetothreetimes.Thisistocheck
workingconditionofclutch.Ifitisabnormal,youshoulddebugtheclutch.
2. If it is debugged for several times, and it is still in bad condition, it is
certain that clutch fork or friction plate is fretted severely. Therefore, you
shouldchangethefrictionplateorclutchforkwithnewpartsinthespecial
maintenancestation.Nevermoveclutchrandomlyincaseofdestroyingthe
clutchandotherparts.
Debugging method of bevel gear assy:
Whenbevelgeardrivesabnormallywithloudnoise,youshouldcheckanddebugitimmediately.The
debuggingmethodsareasfollows:
1. Bevelgearclearancedebuggingofgearbox(lookatpicture10)
• whenbevelgearassyclearance∆﹤0.05,youshouldincreaseclearancebetweengearbox
andrunninggearboxwithsteelgasket.
• Whenbevelgearassyclearance∆﹥0.3,oneshouldadjusttherange0.05~0.10between
thebearingandgearshaft.
2. Bevelgearclearanceassydebuggingofrunninggearbox(lookatpicture11)
• whenbevelgearclearance∆﹤0.05,youshouldadjustthegasketrange0.2~0.3toincrease
clearance. Meanwhile, you should change steel gasket andadjustgasketto ensure
clearance of gear shaftis0.05~0.15.
• When bevel gear assy clearance∆﹥0.3, you should decrease gasket , meanwhile,
ensure clearance of gear shaftis0.05~0.15;orincreasegasket,meanwhile,ensure
clearance of gear is0.05~0.15.

17
Debugging method of gun cable
Whenrevolvingthegunswitchandndingacceleratinganddeceleratingfunctionofthedieselengine
isnotgood,youshoulddebugtheguncable.Asforthemethod,pleaserefertochapter3.
! Attention: 1. Revolvethegunswitchesfortwiceorthreetimesandchecktheaccelerating
and decelerating function of diesel engine.
2. Theguncableandconnectionheadshouldbefastenedwithscrews.
Debugging method of handle bar
Fourdirectionsofhandlebarcanbeproperlysetaccordingtoone’sheightandWeedingrequirement.
Themethodisinthefollowing(lookatpictue12)
1. Up-and-downdebuggingofhandlebar:
• Unlockthehandlebarelements,disengagetheterminalfangsbetweenthehandlebarand
handleframe
• Setthepositionofhandlebaraccordingtoone’sheightandhabits.
• Revolve the handlebar to let terminal fangs meet between the handlebar and handle
frame.
2. Left-and-rightdebugging:
• Unlockthenutonthehandleframe.Thisistounlocktheterminalfangs.
• Sethandlebartotheproperpositionontheleftorright.
• Tightenthenuttoletterminalfangsmeet.

18
Chapter 6 - Troubleshooting
Troubleshooting of diesel engine (refer to the diesel engine instruction)
Troubleshooting of clutch (attention:nevertakeparttheclutchassyjustbyyourself.
Table 6
Phenomenon Reason Solution
Theclutchcannotbeopened
or closed.
Malfunction of clutch
handlebar Repairorchange
Damageofclutchcable change
Misadjustmentofclutchfork Readjustcableorchange
clutch fork
Failure welding of clutch fork
shaft,armandframe Repairorchange
Warpingorbreakingoffork
pins Changeclutchforkpin
Frictionplatebecomesuseless Change
Springbecomesuseless Change
Frictionplatecannotcontact
bearingcrosssectionofclutch
cover
Putgasketbehindthebearing
Burn-outofbearinginclutch Change;refuelthegearbox
Skidding(diesel engine runs
normallyafterunlockingthe
handlebar,butthemainshaft
ofgearboxdoesnotrunor
runs slowly )
Springbecomesuseless Change
Clutchforkshaftbecomes
useless
Checkthejointingsection
betweenthelocatingbearing
andpushertomakeitexible
Maladjustmentofclutchcable Readjustclutchcable

19
Troubleshooting of gear-box
Table 7
Phenomenon Reason Solution
Fast, slow and neutral shift can
notbepositioned
Screwsandroundnutsbehind
theshaftbecomeloose
Take away screws and key
sleevebehindthemainshaft;
reinstall key sleeve and screws
after tightening the round nuts
Gearcannotbepositioned
Auxiliarybrickisseverely
fretted changeauxiliarybrick
Bevelgearbecomesloose Tighten the nuts
Heavyabrasionontheholeof
thearm Changearmelements
Springinthemainshaft
becomesuseless change
Mainshaftmoving:thecover
screwsbehindthecase
becomesloose
Tighten the screws
The distortion of the shift lever Adjusttheshiftlever;change
Backshiftcannotbe
positioned
Abrasionofbackshiftfork Readjustshiftcable;change
shifting fork
Backshiftcablebecomes
useless Readjustcable;changecable
Backshiftshaftbecomesloose Tightenscrewsbehindtheshift
shaft
Backshiftforkisseized
Checkthesectionbetween
backshiftforkandpusherto
makeitexible
Backshiftgearcannotbe
positioned
Backshiftshaftbecomesloose,
makinggearseized
Tightenthescrewsbehindthe
backshiftshaft
Thespringonthebackshift
shaftbecomesuseless Changethespring
Thebackshiftshaftbecomes
curved Changethebackshiftshaft

20
Backshiftshaftbecomesloose
Boltsbehindthebackshift
shaftbecomeloose Tightenthebolts
Thebackshiftshaftandcase
arenotwelltted Change
Gear noise is too loud
Bevelgearshaftandbackshift
shaftbecomecurved Change
Gears are heavily fretted Change gear
Bevelgearshaftandbackshift
shaftarenotwelltted Change
Thereisoilleakageofback
coveronthemainshaft
O-ringonthemainshaft
becomesuseless ChangeO-ringφ17×1.8
Oilsealonthemainshaft
becomesuseless ChangeoilsealB25407
O-ringonthecoverbecomes
useless ChangeO-ringφ46×1.8
There is oil leakage of
backshiftshaft
Boltsbehindthebackshift
shaftbecomeloose Tightenbolts
O-ringonthebackshiftshaft
becomesineffective ChangeO-ringφ18×1.8
There is oil leakage of
backshiftforkshaft O-ringbecomesuseless ChangeO-ringφ1.2×2.65
There is oil leakage of clutch
shift fork O-ringbecomesuseless ChangeO-ringφ1.2×2.65
There is oil leakage of shift
shaft O-ringbecomesuseless ChangeO-ringφ1.2×2.65
There is oil leakage of flange
Boltsbecomeloose Tightenbolts
Steelgasketisdamaged Change
There is oil leakage of case Therearehiddenmicroholes
in the case Weldorpainttostopleakage