Baroness LM56G User manual

Read this manual before using the machine.
Owner's Handling Manual &
Parts Catalogue (The first edition)
LM56G SN12278andonwards
LM66T SN10108andonwards
GREEN MOWER
LAWNMOWER

CONTENTS…………………………………………………………………………………… 1
WarningforSafety …………………………………………………………………………… 2
Greeting ……………………………………………………………………………………… 2
Safetyprecautions …………………………………………………………………………… 3
Partnames …………………………………………………………………………………… 5
FeaturesofLM56G/LM66G ………………………………………………………………… 6
Specifications ………………………………………………………………………………… 6
Handling ……………………………………………………………………………………… 6
1.Assemblyandadjustmentofmainunit ………………………………………………… 6
1-1Installingthehandle…………………………………………………………………… 6
1-2Installingthestand …………………………………………………………………… 7
1-3Confirmationoftheoperationofclutchleverandbrakelever …………………… 7
1-4Connectionofengineswitchcord ………………………………………………… 7
2.Inspectionbeforeuse ……………………………………………………………………… 8
2-1Greasing ……………………………………………………………………………… 8
2-2Inspectionofengineoil ……………………………………………………………… 8
2-3Inspectionofwire ……………………………………………………………………… 8
3.Fasteningofeachportion ………………………………………………………………… 8
4.Enginestartingsequence ………………………………………………………………… 8
4-1 Beforestartingengine …………………………………………… 8
4-2 Startingtheengine ………………………………………………… 8
4-3 Stoppingtheengine………………………………………………… 9
4-4 Fuelsupply ………………………………………………………… 9
4-5 Whenleavingthemachine ………………………………………… 9
5.Machineoperation ………………………………………………………………………… 9
5-1 Beforeoperation …………………………………………………… 9
5-2Mainclutchlever ……………………………………………………………………… 9
5-3Changelever …………………………………………………………………………10
5-4Groomerclutchlever …………………………………………………………………10
5-5Adjustmentofhandleheight …………………………………………………………10
5-6 Brakelever …………………………………………………………10
5-7Throttlelever …………………………………………………………………………10
5-8［IMPORTANT］Adjustmentofengineclutch ……………………………………11
1
CONTENTS
5-9Clutchcover ……………………………………………………………………………11
5-10Travellingwheel ……………………………………………………………………11
5-11［IMPORTANT］Adjustmentofmowingheight……………………………………11
5-12［IMPORTANT］Greasing …………………………………………………………11
5-13Settingthemowingheightgaugeandbladethickness …………………………12
6.Bladeengagement…………………………………………………………………………13
6-1［IMPORTANT］Lapping ……………………………………………………………13
6-2［IMPORTANT］Engagement ………………………………………………………13
6-3［IMPORTANT］Camadjustment ……………………………………………………13
6-4Cylindricalgrindingandinstallationofbladereelcylinder ………………………14
6-5［IMPORTANT］Installationofbladereelcylinder …………………………………14
6-6Attaching/detachingthesmallcover ………………………………………………14
6-7Attaching/detachingthebottombladebase ………………………………………15
6-8Machinenumberplateattachingposition …………………………………………15
6-9Specificationformaintenance ………………………………………………………15
6-10Positionofmowerduringmaintenance ……………………………………………15
7.Long-termstorage …………………………………………………………………………15
8. Precautionsforengineoperation ………………………………………16
9.MaintenanceSchedule ……………………………………………………………………16
LocationofLabels ……………………………………………………………………………17
Understandingthemachinesafetylabels …………………………………………………18
Partscatalog …………………………………………………………………………………20
1.Bladereelcylinder/bottomblade ………………………………………………………21
2.Frontroller …………………………………………………………………………………23
3.Drumwheel…………………………………………………………………………………25
4.Clutch ………………………………………………………………………………………27
5.Frametransmission ………………………………………………………………………29
6.Handle/engine/brake ………………………………………………………………………33
7.Groomer ……………………………………………………………………………………39
8.Brush ………………………………………………………………………………………43
9.Grasscatcher/tool …………………………………………………………………………45
10.Sulkyunit …………………………………………………………………………………47
11.Maintenancesupplies ……………………………………………………………………49
WARNING
CAUTION
DANGER
CAUTION
CAUTION
DANGER
WARNING
CAUTION

Precautions:
● Thenameofthemodelmaybedifferentwhenyoumakeaninquiryaboutyour
machine.Adviseusofthemachinenumberaswell.
● Thecontentsofthismanualaresubjecttochangewithoutnotice.
WarningforSafety
Warningmarksindicateimportantitemsforsafety.
Observethemstrictly.
WarningMarks
Negligenceofthewarningmaycausedeathorserious
injury.
Negligenceofthewarningmaycauseinjuryor
propertydamage.
ThankyouverymuchforpurchasingBARONESSGREENMOWER.
ThisOwner's HandlingManual explainsthe methodof correcthandling, adjustment,
andmaintenanceofthemower.Thoroughlyreadthemanualbeforeoperation.Carefully
readtheengineoperationmanualbeforestartingtheengine.Mowersundergo
thoroughgoingtrialoperationandinspectionbeforeshipment.However,whetherornot
themowercanexhibittheexpected performancedependsonthehandlingmethod,
inspection/adjustmentbeforeandafter operation,andthepropernessoflubrication.
Handlethe mowercorrectly forsafe andexcellent operationfor anextendedperiod of
time.
Greeting
Owner'sHandlingManual
CAUTION
Thewarningmarksattachedtothemachineindicateprecautionsforsafety.Readthem
carefully.Understandwelltheoperatingproceduresandsafetyprecautionsbeforeusing
themachine.Themarksandexplanatorynotesshouldbekeptclean.Iftheyarelostor
damaged,attachnewmarks.Neverremovethewarningmarksattachedtothemachine.
Grease
Every10hours
Hotsurface
Burnonhand
SeetheHandling
Manual
Dangermark
Handcut
Fuel : Gasoline
Dangermark
Footcut
WARNING
CAUTION
CAUTION : Jointshaft
2
Engineswitchlever
10h
Negligenceofthewarningwillcausedeathorserious
injury.
DANGER

3
Thelawnmowerhasarotatingbladereelcylinder(sharpblade),andthesafetyof
operationissubjecttotheplaceof use,obstacles,lawnconditions,andmanyother
factors.Asamaker,wespecificallyrequesttheusertothoroughlyinspectandmaintain
themachine,makeeffortstobecomeskilfulinoperatingthemachine,andcorrectlyand
safelyusethemachineinordertoavoidinjuryonyourselfandothers.
1)Clothesforsafety
● Wearclothes thatwill preventyou from beingcaught inthe machine,and wear
safetygear,goggles,shoes,helmet,andgloves.
Itisstronglyadvisedthattheoperatorsofthismachinewearbothgogglesandear
defendersfortheirprotection.
2)Emergencyreliefmeasures
● Understandthemethodofstoppingtheengineinanemergency.
Safetyprecautions
CAUTION
3)Donotoperatethemachineinsuchcases.
● Donot operatethe machinewhenyou aretired. If yougettired duringmachine
operation,stoptheworkandtakearest.
● Donotusethemachinewhenyouaresick,drunk,orundertheinfluenceof
medicine.Thevisualsensation,nimbleness,orjudgmentwillbeadverselyaffected.
● Ifyouareunaccustomedtothemachineoperation,thoroughlyunderstandthe
handlingmethodandsafetyprecautionsbeforeuse.Donotallowchildrentooperate
themachine.
4)Whenlendingthemachinetootherpeople
Ifyoulendthemachinetoapersonwhohasnoknowledgeaboutthesafetyprecautions
orhandling proceduredescribed inthe operationmanual, anunexpected accidentmay
result.Thoroughlyexplainthehandlingmethodandhandovertheoperationmanualto
thepersonwho willusethe machine,havinghimor hercarefullyread theoperation
manualbeforeuse.
5)Prohibitionofoperationorworkatnight
Donotoperatethemachineatnightorwhentheviewisunclearbecauseofbadweather.
6)Safetyinspectionbeforework
● Checkthatallcoversareinpositionandthatnoportionisbroken.
● Checkthatbolts andnutsare notloose.Iftheyareloose,tighten
them.
● Checkthattheoperationof thebrake,levers,andtiresis normal.
WARNING
DANGER
CAUTION
CAUTION
WARNING

4
7)Precautionstotakeduringoperation
● Checkthat thereis nopersonor anyobject thatmay bebroken
aroundthemachineduringoperation.
● Checkthatthereisnoplayerinthevicinity,otherwiseaflyinggolf
ballmayhitagainstyou.
● Exerciseadequate careso thatyouwill notget injuredby flying
objectsortheblade.
●
Exercisespecialcarewhenworkingonaslopeorundulatingground.
Theinclinationofthemachineshouldnotexceed25degrees.
● Donotoperatethemachineinplaceswherethereisariskof
topplingorslipping.
● Donot touchrotating partsduring operation,otherwise youmay
haveyourfingersorhandsinjured.
● Operatethemachineataspeedthatwillallowthemachinetostop
immediatelyinanemergency.Donotstartthemachineoroperate
thehandlesuddenly.Besuretomovethemachineataslowspeed
especiallywhendescendingaslope.
● Donotmovethethrottleleverabruptlytoincreasethespeed,
otherwisethefrontofthemachinemayjumpup.
● Whenyounoticeabnormalvibration,unusualsound,orother
abnormalityinthemachine,stoptheengineimmediatelyand
investigatethecause.Completelyrepairthemachinebeforereuse.
● Whenleaving themachine,stop themachineon thelevel ground
andthenstoptheengine.
DANGER
8)Precautionsastoinspection
● Placethemachineonthelevelgroundforinspectionandrepair.
Checkthatallpartsareatrest.
● Cloggingofthecoolingairintakeoftheengine,airintakeoftheair
cleaner,muffler,andexhaustpipewithmowngrassorother
foreignsubstancesmay causefiredue toenginemalfunction or
overheating.Stoptheworkimmediately,andremovetheclogging
substanceaftertheoverheatedsectionhascooled.
● Keepthewarningmarksandexplanationscleanatalltimes.
Replacethemwith newonesimmediately whentheyare lostor
damaged.
● Donotremodelthemachine.
● Useparts,oil,andgreasespecifiedbyourcompanywhenchanging
them.
● Remodelingor operationofthe machinewith someparts thatare
notspecifiedbyourcompanymaycausedamagetothemachineor
injury.
9)Movingonapublicroad
● Runningthe machineon apublicroad whileyou areriding ona
sulkyisprohibited bythelaw. Walkandmovethe machineona
publicroad.
10)Storage
● Waituntiltheenginecoolswhencoveringthemachinewitha
sheet,etc.
● Removegasolinewhenthemachinewillnotbeoperatedformore
thansixmonths.
CAUTION
WARNING
CAUTION
CAUTION
DANGER
DANGER

Partnames
5
Engine
Engineclutchcover
Engineswitchcord
Brakelever
Throttlelever
Handle
Bladereel
Drumwheel
Travellingwheel
WheelShaft
Grasscatcher
Frontroller
Frontgroomer
Engineswitch
Mainclutchlever
Engine
Engineswitchcord
Brakelever
Throttlelever
Safetylocklever
Handle
Bladereel
Drumwheel
Travellingwheel
WheelShaft Grasscatcher
Frontroller
Frontgroomer
Engineswitch
Mainclutchlever
Engineclutchcover
STANDARD
CONTROL
FINGERTIP
CONTROL

FeaturesofLM56G・66G・66T
Specifications
● Thelightestgreenmowerofallmodelsofthisclass
● Theweightbalanceandundulationfollowingperformancehavebeenimprovedfor
bettergreenmowing.
● Thenewly-designedhandleimprovestheoperability,lesseningtheoperator'sfatigue.
● Thestructureoftheclutchhasbeenchangedforsmoothstarting.
●LM56GF・66GFareequippedwithFrontGroomer.(Themodelscontainallthepartsof
GroomerPortionandRollerBraketsforthe modelsshownintheattachedParts
Catalogue.)
● Thefrontgroomerisprovidedtopermitnormalandreverserotation.
(Providedwithagroomer.)
6
Handling
1.Assemblyandadjustmentofmainunit
Installingthehandle
1)Put thehandlepin onthe leftframe intothehole atthe left-sideloweredge ofthe
handle.
2)Whilepressingtheright-sideloweredgeofthehandleinward,putthehandlepinofthe
rightframeintothehole.
3)Securetheloweredge(slottedsection)oftherightandlefthandlestotheframefrom
thebackwiththebolt,conicalspringwasher,andwasher.
Model
Length(withgrasscatcher)
Width(withouttravellingwheel)
Height(handle)
Weight
Mowing
section
Mainunit(withoutcatcherandwheel)
Grasscatcher
Travellingwheels(2pcs)
Mowingwidth
Reeldiameter
Numberofreelblades
Mowingheight
Engine
Speed(Km/h)
LM56Series
LM66Series
Frontgroomer Dethatchingreel Dethatchingbrush
Workingwidth
（cm）
49
57
（cm）
6
6
Workingwidth
（cm）
50
60
39
46
Workingwidth
（cm）
51
60
Numberof
blades Numberof blades Turning diameter
78
92
1-1
Left-sideloweredgeofhandle
Conicalspringwasher
Washer
Bolt
Handlepin
(Leftframe)
Handlepin(Rightframe)
Right-sideloweredgeofhandle
※
Whilepressingthe
right-sideloweredge
ofthehandleinward,
putthehandlepin
LM56G（GF）LM66G（GF）
150cm
94.2cm 103.2cm
81kg（85kg）
3.3kg
87kg（91kg） 86kg
3.6kg
103cm
6.9kg
φ12.8cm
9or11blades
3.0〜29mm（3.0〜27mm）
7blades
7.0〜29mm
RobinEX13D3.2kw（4.3ps）/4000rpm
4.8km/h（3000rpm）
4.4km/h
（3000rpm）
55.6cm 64.6cm
LM66T

7
Installingthestand
1)Temporarilysecuretheleftsideofthestandtotheframewiththebolt,washer
(inside),andnut(outside).
2)Putthespringontheprojectionoftheframeandtheprojectionattherightedgeofthe
stand.
3)While pullingtheright sideof thestand backward,makealignment withthe holein
theframe,andsecurethestandwiththebolt,washer(inside),andnut(outside).
4)Tighten thebolt, washer,and nutat theleft sideof thestand thatwere temporarily
secured.
1-2 Confirmationoftheoperationofclutchleverandbrakelever
Checkthattheclutchandbrakeoperatecompletely.
Whenadjustmentisnecessary,makeadjustmentaccordingto"5-8.［Important］
Adjustmentofengineclutchsection."
Connectionofengineswitchcord
Whenassemblingthehandle,checktheconnectionoftheengineswitchcord.Thereare
twoconnections-plugandcrimpterminal.
1)Theplugisconnectedtotheplugthatisconnectedtotheengine.
2)Thecrimpterminalissecuredtotheenginecrankcasewithahexagonbolt.Whenthe
connectionoftheengineswitchcordisincomplete,theenginewillnotstopevenifthe
engineswitchisoperated.Checkthatthecordiscorrectlyconnected.
1-3
1-4
WARNING
Putthespringontheprojection.
Temporarilysecurethe
leftsideofthestand.
Tightenthe
leftsideof
thestand.
Whilepullingtherightside
ofthestandbackward,
makealignmentwiththe
holeandsecurethestand.
Plug
Crimpterminal

8
2.Inspectionbeforeuse
Greasing
Thetransmissionandintermediate transmissiongearsareequipped
withneedlebearings.Greasethem every10hours.Shortageofgrease
willcausedamagetotheneedlebearings.
Inspectionofengineoil
Replenishtheenginewithengineoil.(Acorrectlevelwillbeshownwhentheengineis
placedhorizontally.) Changeengine oil 8hours afterthe initialoperation, andevery 50
hoursfromthesecondtimeonward.Oil:SAE30.
Inspectionofwire
Checkthattheclutchwireandbrakewirearenormal.
3.Fasteningofeachportion
Manypartsarefastenedbybolts.
Boltsandnutsmaybeloosened
sometimeafterinitialoperation.
Fastenthemtothespecifiedtorque.
4.Enginestartingsequence
Beforestartingengine
Carefullyreadthegasoline engineoperationmanualbefore startingtheengine.The
handlecoverisequippedwithanengineswitch.Checkthe"ON/OFF"positions.Setthe
engineswitchleverintheONposition,setallmovingpartsintheneutralposition.Check
forsafety -covers areinposition andnot damagedand thereisno personaround the
machine-beforestartingtheengine.Donotstarttheengineindoorswithoutan
appropriateventilator.
2-1
2-2
2-3
M6
M8
M10
M16
Normalbolt
8（80）
18（180）
36（360）
1.5-pitchleft-handthread:36（360）
Heattreatedbolt
36（360）
72（720）
Startingtheengine
StandardContorol
1)Donotgripthemainclutchlever.
2)Setthethrottleleverinthehigh-speed position.
3)SettheengineswitchintheONposition.
4)Setthestrainerleverintheopenposition.
5)Pullthechokeleverandpulltherecoilstarter,andtheenginewillstart.
6)Returnthechokelever.
FingertipControl
1)Donotgripthemainclutchlever.
2)SettheengineswitchintheONposition.
3)Setthestrainerleverintheopenposition.
4)Pullthechokeleverandpulltherecoilstarter,andtheenginewillstart.
5)Returnthechokelever.
4-1
4-2 CAUTION
High-speed
OFF ON
Open
OFF ON
Open
MainClutch
AppropriatefasteningtorqueN.m(kgf-cm)
WARNING
Main
Clutchlever
10h

Fuelsupply
● Keepflameetc.awayfromtheenginewhensupplyingfuel.Stop
theengineoutdoorsandallowittocoolbeforesupplyingfuel.
● Keepthe machine cleanat alltimes topreventdeposition of
dust,grease,oroil.
Whenleavingthemachine
● Parkthemachineonaflatplace.
● Checkthattheenginehasstoppedandtheengineswitchleveris"OFF."
● Donotparkthemachineonaslope.
5.Machineoperation
Beforeoperation
● Checkthateachportion-especiallythebrakeandclutch-operates
satisfactorilybeforestartingmachineoperation.
● Makesurethatthemachinecanbestoppedimmediatelyatanytime.
● Exercise care so that you and people around the machine will not be injured.
Mainclutchlever
StandardControl
Theclutchleverisontheleftsideofthehandle.
Avoidquickoperation.Carefullyandslowlyoperatethe
machine.
※ Gripthelever,andthetravellingdriveisturned"ON"and
themachinebeginstomoveforward.
FingertipControl
Avoidquickoperation.Carefullyandslowlyoperatethe
machine.
※ Griptheclutch,andthetravellingdriveisturnd"ON"and
themachinebeginstomoveforward.
Stoppingtheengine
※Rememberthemethodforstoppingtheengineinanemergency.
StandardContorol
1)Donotgripthemainclutchlever.
2)Setthethrottleleverinthelow-speed position.
3)Setthestrainerleverinthecloseposition.
4)SettheengineswitchintheOFFposition.
5)SettheengineleverintheOFFpositionimmediatelyinanemergency.
FingertipControl
1)Donotgripthemainclutchlever.
2)Setthestrainerleverinthecloseposition.
3)SettheengineswitchintheOFFposition.
4)SettheengineleverintheOFFpositionimmediatelyinanemergency.
9
4-3 4-4
4-5
DANGER
CAUTION
CAUTION
5-1 DANGER
5-2
OFF
ON
Mainclutchlever
Low-speed
Close
OFF ON
Close
OFF ON
MainClutch
Main
Clutchlever

Changelever
Thechangeleverisatthetopoftheleftframe.
Therearethreechangeoverpositions.Whentheleverisinthe"ReelON"position,the
drumandcutteroperate,enteringthemowingmode.
Whentheleveris inthe"TravelON" position,onlythedrumoperates, enteringthe
travelingmode.
Whentheleverisonthe"TravelOFF"position,bothdrumandcutterstop,enteringthe
travelingmodewiththeenginestopped.
Groomerclutchlever
Theleverisatthetopofthegroomergearcaseontheoutsideoftherightframe.
Thereare threechangeover positions- "Normal rotation"(in thesame directionas the
rotatingdirection oftheblade reelcylinder),"Rotation stop,"and"Reverse rotation"(in
thedirectionoppositetothedirectionofrotationofthebladereelcylinder).Changethe
positionsaccordingtothetypeofwork.
5-3
Drumoperation
Bladereelcylinderoperation
Drumoperation
Bladereelcylinderstop
Drumcutterstop
Bladereelcylinderstop
TravelON
ReelON
TravelOFF
（
（
（
Changelever
10
5-4
Normalrotation
Reverserotation
Rotationstop
Adjustmentofhandleheight
Movethesecuringboltupanddownintheslotofthehandleguide,whichissecuringthe
handletotheframe,inordertoadjusttheheightofthehandleaccordingtotheoperator's
workingposition.
Brakelever
Theleverisintheright-sidegripsectionofthehandle.Gripthelever,andtheinternal
expandingbrakesetinthesecondshaftsectionwilloperate.
Thestrengthcanbeadjustedbythescrew.
Throttlelever
StandardControl
Thethrottleleverisontheleftsideofthehandle.Thelevercontrols
theenginespeed.Thespeedofrotationis1,400-3,400rpm.
Operateatabout3,000rpm.
FingertipControl
Thethrottlecontrolstheenginespeed.Thespeedofrotationis
1,400-3,400rpm.Operateatabout3,000rpm.
5-5
5-6 WARNING
5-7
Mainclutchlever
High-speed
Throttlelever
Mainclutchlever
Low-speed
Throttlelever

［IMPORTANT］Adjustmentofengineclutch
《Whenreinstallingtheengine》
Adjusttheclearancebetweentheengineclutchandclutchfacingsothatitwillbeapprox.
0.5to1mmwhenthetravellingclutchisengaged.Foradjustment,loosenthefourbolts
thataresecuring theengine,andinserta thicknessgauge(attached)into thefrontand
rear.Makeadjustmentsothatthegapwillbeparallel,andthenfastenthebolts.
《Whenadjustingtheclutchwire》
Makeadjustment sothat theoperation distanceofthe clutchplate betweenthe clutch
engagmentanddisengagementwillbe0.8-1mm.
Clutchcover
Theclutchcover isontheleftside of
theengine, coveringthe engine clutch.
Itissecured byturningthefastenbolt
clockwise(by4-5turns).
5-8
Engineclutch Clutchfacing
Clutchwireadjustingnut
Clearance
0.5〜1.0mm
1.0〜2.0mm
Operationdistance
5-9
clutchcover
fasten
fastenbolt
open
Travellingwheel
Thetravellingwheelisusedtomovethemachinefromgreentogreen.Setthestandup
right,pullthetireholdingthelever,andthewheelwillcomeoff.
※tireairpressure120kPa（1.2kg/cm2）
［IMPORTANT］ Adjustmentofmowingheight
Movethefrontrollerupordown,andthemowingheightcanbeadjustedtoamaximum
of27mm.Useanoptionalbottombladewhen3m/mmowingheightisdesired.
［IMPORTANT］ Greasing
Periodicallyfilluprespectivegreasenipples.
Exercisespecialcarewhengreasingthesectionswhereneedlebearingsareused.
(Intermediateshaftoftherightandleftgearsandtheintermediateshaftofthegroomer)
Periodicallyfill upthe greasenipples withapprox. 1g ofgrease (EXCELITEEP No.2)
(oneortwotimeswithacompactmanualgreasepump).
5-10
5-11
Drum
Bottomblade
Frontgroomer
Bladereedcylinder
Frontroller
mowing
height
Every10hr Every50hr
Leftframeintermediateshaft(forReel)
Right&leftframeintermediateshaft(forDrum)
Differentialgearparts
Verticalgearcaseintermediateshaft
Leftgearcover
Reelbearing
Frontroller
Verticalgearcase
5-12
11

Settingthemowingheightgaugeandbladethickness
1)Set themowingheight gaugeat thedesired height.The minimummowing height
withrespecttoeachbottombladethicknessisshownbelow.
※ Theminimummowingheightistheheightontheaverageconditiongreen.Lawnmay
beshaved whenthe undulationof thegreenis substantial. Setthe mowingheight
higherinthatcase.
2)Adjustthefrontgloomeraccordingtotheconditionofthegreenbeforeuse.
※ Ifthegroomerbladesaresetdeeperthanthegroundsurface,theshaftmaybend.
※ Thefrontgroomer,whenitisputtoolow,willapplyanexcessiveloadtotheengine
andtransmissionsection,causingmalfunctionorfailure.
3)Whenusingthegrooming brush,adjusttheheightsothat itwillbeequaltothe
mowingheight.
※ Thebrushwillbeworneasilywhentheheightistoolow.
4)［IMPORTANT］ Adjustmentoffrontrollerheight
Bringthemowingheightgaugeintocontactwiththefrontrolleranddrum(asshown
below),andadjusttheheightofthebottomblade.
a.Loosenthetallnutoftherollerbracket,andmovethefrontrollerup
ordownwithrolleradjuster.
b.Positionthefrontrollerwiththemowingheightgauge.
c.Makeadjustmentatbothedges.
d.Tightenthetallnut,andsecuretherollerbracket.
Right-sidemainunit Left-sidemainunit
Every10hr
Every50hr
12
1.5
2
2.5
3
5
1.5
2
2.5
3
5
3.0
3.5
4.0
4.5
7.0
3.0
3.5
4.0
4.5
7.0
LM56G
LM66G
Standard
blade
Tipped
blade
Standard
blade
Tipped
blade
Typeof
blade
Blade
thickness
(mm)
Min.mowing
height(mm) CodeNo. PartName Note
K2511000270
K2511000280
K2511000050
K2510000060
K2510000160
K2511000310
K2511000300
K2511000200
K2510000150
K2510000170
1.5 bottomblade55G
2 bottomblade55G
2.5 bottomblade55G
3 bottomblade62.5-559
5 bottomblade62.5-559
1.5 bottomblade65G
2 bottomblade65G
2.5 bottomblade65G
3 bottomblade
62.5-648.4
5 bottomblade 62.5-648.4
Option
standard
standard
Option
Option
5-13
Frontroller
Frontgroomer
Bladereelcylinder
Drum
Smallscrewfor
Dethatching
Smallscrewfor
mowingheight
Bottomblade
Mowingheightgauge
Bladethickness Bladethickness
Standardblade Tippedblade

13
6.Bladeengagement
Checkthattheengineisatrestbeforemakingadjustment.
Grindandadjustthebladereelcylinderandbottombladeentirelysothata
newspaperwillbecutsharply.
［IMPORTANT］ Lapping
Conductlappingaftermowingoperation(beforeadjustingtheengagement).
1)Checktheentireportionofthebladereelcylindertocheckwhichportionisdull.(Ifa
newspapercannotbecutinanyportion,putintwosheetsofpapertocarefullycheck
whichportionisdull.)
2)Connectthelappingmachine(RM20A)orlappingbolt(option)tothelappingshaftof
themower.
3)Rotate theblade reelcylinder in thedirection oppositeto themowing direction,and
applyabrasive witha brushonly tothe portionwhere anewspaper wassharply cut.
Theportion wherea newspaperwas notcut isworn away.Donot applyabrasive to
suchportions.
※Therightside(whenviewedfromthefrontofthebladereelcylinder)oftheblade
reelcylinderwillbewornaway3-4timesearlierthantheleftside.Whenapplying
abrasivetothebladereelcylinder,besuretomovethebrushfromlefttoright.(See
rightsketch)When theabrasive isa mixtureof powder(#200〜#400)and oil,mix
themattherateof1:3to4.Thegelcompound(option)canbeusedasitis.
4)Keeprotatingthebladereelcylinder,andstoprotationwhenthecontactsound
disappears.Putinanewspaperagaintocheckthebladereelcylinderentirelyforthe
sharpnessofeachportion.
5)Repeatoperations(3)and(4).Whenthebladereelcylinderandbottombladearein
contactwitheachotheruniformly,applyabrasivetothebladereelcylinderentirelyfor
finallapping.
6)Afterlapping,removetheabrasivewithsteam,etc.
Bothbladereel cylinderandbottom bladeareedged. Handlethem
carefully.
Becarefulofthefingers,whichturntheblade reelcylinder,when
cuttinga newspaperto checksharpness.  Uniformlylap theright and
leftsidesofthebottombladeincontactwiththebladereelcylinder,and
thelifeofthebladewillbemaximized.
6-1
［IMPORTANT］Engagement
1)Lightlyengagethebladereelcylinderandbottombladeuniformlyonbothsides.
2)Uniformlyadjustthebottombladeontherightandleftsides.
Turnthebladeadjustingnut(1-1)clockwiseforslightengagement,andturnit
counterclockwiseforfirmengagement.
3)Lightlyengagebothsidestotheextentthatanewspaperwillbecutsharply.
Whenthe bladereel cylinderisworn andthe springpressure decreases,adjustthe
springpressurebythespringadjustingscrew(1-6)and14nut(1-7).(Makeadjustment
sothatthespringwillbe50mmlong.)
［IMPORTANT］ Camadjustment
Turnthecambushonbothsidesofthebottomblade,andthebladewillberaisedand
loweredwithinamaximumrangeof0.3mm.Theabovemethodisusedwhentheedges
ofthebladereelcylinderandbottombladearenotinparallel.
1)When thereisa gapbetween thebladereel cylinderand theleftframe sideof the
bottombladeloosenthelocknut,andturntheleftcambushclockwiseasmuchasthe
gap.Turn itclockwiseby 30°toraise thebottomblade by0.1mm. Afteradjustment,
firmlyfastenthelocknut.
2)Whenthereisagapontherightframeside,loosenthelocknut,andturntherightcam
bushcounterclockwiseasmuchasthegap.
6-2
6-3
CAUTION
Movethebrush
fromlefttoright
Springlength

14
Cylindricalgrindingandinstallationofbladereelcylinder
Cylindricallygrindthebladereelcylinderwhenitiswornawayandhasbecomeconical.
(Askthedealeryoupurchasedthemachinefromforcylindricalgrinding.)
［IMPORTANT］ Installationofbladereelcylinder
6-4
6-5
Attaching/detachingthesmallcover
Removethelappingboltandthegear retainercollarinthisorder,andthenremovethe
leftsmallcover.
Attachtheleftsmallcover,andthenattachthegearretainercollarandlappingboltinthis
order.(Attachtheleftsmallcoversothatthereelcuttershaftwillbeatthecenterofthe
oilsealoftheleftsmallcover.)
6-6
reelgearsecuringnut
20toothreelgear
NonGroomer
2SPCCwasher1635
16Lefthandthreadnut3P1.5
Leftsmallcover
Lappingbolt
Gearretainercollar
Torguewrench
GroomerModel
1)Replacethebearingsandreelshaftsealsonbothsidesofthebladereelcylinder.Use
thebearing30204JRP6thathasthesmallesterror.
2)Sufficientlyapplygrease(EXCELITEEPNO2)tothebearingandseal.(Applygrease
tothebearingwhileturningtheroller.)
3)Methodtofastennutafterinstallingthebladereelcylinder
［IMPORTANT］Tightenthenutuntilthelengthofthespringreaches11.5mm,andlock
thenut.Acertainpreloadwillbeappliedbythespringpressure.Therotationaltorqueof
theblade reelcylinder shouldbe 0.8〜1.0N・m(8〜10kgf・cm). Ifit isnot, checkthe
bearingandseal.
0.3
Centerofcambush
Camadjustment
Centerofcutterpin
Thebottombladerises
Thebottombladelowers
10diskspringH

Specificationformaintenance
Positionofmowerduringmaintenance
Ifthe mowerhandleis leftleaned ontheground fora longtimeduring maintenance,
engineoilmayentertheenginecombustionchamberandcausetheenginetorun
improperly.
Becarefulnottokeepthispositionlong.
7.Long-termstorage
1)Fortheengine,refertotheengineoperationmanual.
2)Cylindricallygrindthebladereelcylindereverysixmonths.
3)Replacethebearing(30204JRP6)andsealonbothsidesofthebladereelcylinder
everyseason.(Replacethemeveniftheyhavenotbeenusedformanyhours.)
4)Cleanthemachine,andapplygreaseoroiltorespectiveslidingsections.
15
Machinenumberplateattachingposition
Thetypeandserialnumberaremarkedonthemachinenumberplate.
Itisattachedtotheupperportionontheleftsideofthefrontframestay.
6-8
6-9
6-10
Qtyofengineoil
Plug
Capacityofgasolinetank
Tireairpressure
Enginespeed
0.6dm3（0.6L）
NGKBR4HS
2.5dm3（2.5L）
120kpa（1.2kg/cm2）
1400〜3400rpm
Machinenumberplate
Attaching/detachingthebottombladebase
Removethebottombladebasearm,andthenremovethebottombladebase.
Attachthebottombladebase,andthenattachthebottombladebasearm.
6-7
Bottombladebasearm Bottombladebasearm
Loosen.
Tighten.
Bottombladebase
Loosen.
Tighten.
Loosen. Tighten.

9)Whenthemachineistobestoredforalongtimeexceeding5
months,removegasolinefromtheengine.
10)Enginemaintenanceschedule
Tokeepthe engineinsatisfactory statusatall times,besureto
conductmaintenanceandinspectionaccordingtothefollowing
table:
9.MaintenanceSchedule
8. Precautionsforengineoperation
Fortheengine,refertotheengineoperationmanual.
1)Usegasolineforautomobilesasthefueloftheengine.
2)Completelychangeengineoilwhenthemachinehasbeenusedfor
eighthoursaftertheinitialoperation,because themachineisused
undertoughconditionswithvibrationanddust,andchangeoilevery
50hoursafterthat.Thequantityofengineoilis0.6dm3(0.6L).Use
SAE30.
3)Alwayscoverthesuctionportoftheaircleanerwithacleanercover
bagduringoperation.Besuretocleantheaircleanerelement
beforeusingthemachine.
4)Fireisstrictlyprohibitedduringfuelsupply.Becarefulof alit
cigarette.Replenishthefueltankoutdoorsafterthestoppedengine
hasbeencooled.Wipeoffthespiltfuelcompletely.
5)Donotstarttheengineinabuildingwithoutaproperventilator.
6)Themufflerandtheareaaroundtheexhaustportofthemufflerwill
becomehot.Do notbringgasoline,matches, drygrass,orother
inflammablesnearhotportions.
7)Inspectionbeforeoperation
Checkthe jointoffuel pipe,etc.for loosenessor damage.Check
boltsandnutsinrespectivesectionsforlooseness.
8)Wearappropriateclothes.Anapron,towelonthebelt,longstring,
etc.willcauseyoutobecaughtinrotatingparts.
DANGER
CAUTION
CAUTION
CAUTION
CAUTION
Engine
Maintenance
Cleaningofeachpart/inspectionoftightening
Inspectionandadditionoffuel
Inspectionandcleaningofaircleaner
Inspectionandadditionofengineoil
Engineoilchange
Mainunit
Maintenance
Inspectionandcleaningofrecoilstarterdustproofingnet
Cleaningofeachpart/inspectionoftightening
Inspectionandadjustmentofbladeengagement
Inspectionandadjustmentofmowingheight
Greasingandoiling
Removalofmowngrassanddust
Beforeuse
○
○
○
○
○
○
○
○
○
Every8hr
Every8hr
Every10hr
Every10hr
○
Every50hr
○
Every50hr
○
16
onlyafterthe
initialoperation

17
LocationofLabelsforLM56GandLM66T
1
2
3
4
5
6
7
8
9
10
11
12
CodeNo. PartName Qty
/
Unit
CodeNo. PartName
OperatorWarninglabel
ClutchMark
EngineoilWarningMark
NoiseWarningMark
LWA98Mark
ClutchMark(Large)
"Handlewithcare"label
"CuttingWarning"label
GroomerModeSelector
GreaseUp10hMark
BRAKEMark
WarningMark
Ｋ４２０５００１６１０
Ｋ４２０３００１０４０
Ｋ４２０５００１３００
Ｋ４２０５００１３３０
Ｋ４２０９０００８８０
Ｋ４２０３００１１１０
Ｋ４２０５００１５９０
Ｋ４２０５００１６００
Ｋ４２０３００１１２０
Ｋ４２０９０００３７０
Ｋ４２０３０００９７０
Ｒ０７３−２００５１−８１
1
1
1
1
1
1
1
1
1
2
1
1
4
35
Right-sideofthemainunit
Rearofthemainunit
12
1

18
①Useonlyunleadedgasoline.
②Readtheowner'smanual.
③keepasafedistancefromthe
machine.
④Donotopenorremovesafety
shields while engine is
running.
⑤Stoptheengineandwaitfor
movingpartstostop.
⑥Itisstronglyadvisedthatthe
operatorsofthismachinewearear
defendersfortheirprotection.
⑦Stayclearofthehotsurface.
⑧Exhaustgasispoisonous.
Donotoperateinanunventilated
area.
⑨Stoptheenginebeforerefueling.
⑩Fire,openflameandsmoking
prohibited.
Understandingthemachinesafetylabels
①
②
③
④
⑤
⑥
⑦⑧②
⑨⑩ R073-20051-81
K4205001600
K4205001330
K4205001590

19