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Troy-Bilt
manual MODELS640C & 644A, 5 15 16 12 2O
Models:
640C
644A
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Troubleshooting
Install
Parts list
Warranty
Maintenance
adjuster
Enginecleaning
SafetyAlert Symbol
Transmission Gearoil Service
Featuresandcontrols
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MODELS640C & 644A
5
15
16
12
2O
I
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22
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6
14
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Image 24
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Contents
Operators Manual
Rear-tineTiller Models
640C--Tuffy CRT 644A m Super Bronco TM CRT
FINDINGMODELNUMBER
CUSTOMERSUPPORT
TABLEOFCONTENTS
SECTION1 SAFETY
SafetyAlert Symbol
Training
Preparation
MaintenanceandStorage
sparkplugwireandpreventitfromtouch
ingthesparkplug,andcheckimmediately
forthecauseVibrationisgenerally
OperatingSymbols
Decals
NOTE Yourunitmaynothaveallof esymbds
o
SECTION2 ASSEMBLY
LooseParts List
ASSEMBLYSTEPS
INSPECTUNIT
STEP 4 INSTALL FORWARD
A J B
adjuster
Fig.2-5 Cable
springand
clutchcable spring to
5! 6 CHECKTRAHSMiSSiOH OIL LEVEL
TIRES unitswithpneumatictires
SECTION3 FEATURESANDCONTROLS
ARNING
WARNING Donotplace
Figure3-3 FREEWHEELposition
BailE. OnlyMode1644Ahavea Reverse
HANDLEBAR HEIGHT ADJUSTMENT
To adjustthe handlebars
SECTION4 OPERATION
BREAK-INOPERATION
STARTING AND STOPPING
WARNING Donot attempt
OPERATINGTHE TILLER
dlebarssidewaysto turntiller
Fig.4-2 Useonehandtoguidetiller when
Stoppingthe Tillerand Engine
TILLINGTIPS& TECHNIQUES
Tilling Depths
Let the Tiller Dothe Work
AvoidMaking Footprints
TILLINGTIPS & TECHNIQUESCONT
Tilling On Slopes
Clearingthe Tines
Loading and UnloadingtheTiller
LOADING AND UNLOADING THE TILLER
WARNING Loadingand
TILLINGTIPS & TECHNIQUESCONT
SECTION5 MAINTENANCE
MAINTENANCESCHEDULE
TRANSMISSION GEAROIL SERVICE
TILLER LUBRICATION
BOLOTINES
CHECKINGAND ADJUSTING
FORWARDDRIVE BELT TENSION
3. SqueezetheForwardClutch Bailagainst
the handlebarsee Figure 5-4and re
ENGINECLEANING
AIRCLEANERSERVICE
CHECKINGANDADJUSTINGRE- VERSEDRIVEBELTTENSION
FORWARDCLUTCH BAIL ADJUSTMENT
SPARKPLUGSERVICE
THROTTLELEVERADJUSTMENT
SPARKARRESTERSCREEN SERVICE
CARBURETOR/GOVERNOR CONTROLADJUSTMENTS
TROUBLESHOOTING
PROBLEM
CORRECTION
Enginedoesnotshotoff WheelsandTineswill notturn
PartsList
MODELS640C & 644A
5 15 16 12 2O
MODELS640C & 644A
PARTNO
MODELS640C & 644A
Plug,TransmissionOilFill
FRONT
MODELS640C & 644A
PARTNO
DESCRIPTION
MODELS640C & 644A
I11
FORWARD
MODELS640C & 640A
DESCRIPTION
TINE SHAFT
FORWARD
MODELS640C & 644A
Page
TROY-BILTTILLER LIFETIME LIMITED WARRANTY