Husqvarna Tiller DRT70 User Manual

DRT70  
Owner's Manual  
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CUSTOMER RESPONSIBILITIES  
PRODUCT SPECIFICATIONS  
Read and observe the safety rules.  
Gasolina Capacity:  
4 Quarts (2.8L)  
Unleaded Regular  
Follow a regular schedule in maintaining, caring for  
and using your tiller.  
Oil (API-SG-SL):  
(Capacity: 20 oz./0.6L)  
SAE 30 (Above 40°F/4°C)  
SAE 5W-30 (Below 40°F/4°C)  
FollowinstructionsunderMaintenanceandStorage”  
sections of this Owner’s Manual.  
Spark Plug :  
(Gap: .030"/0.76mm)  
Champion  
RC12YC  
WARNING: This unit is equipped with an internal com-  
bustion engine and should not be used on or near any  
unimprovedforest-covered,brush-coveredorgrasscovered  
land unless the engine's exhaust system is equipped with  
a spark arrester meeting applicable local laws (if any). If a  
spark arrester is used, it should be maintained in effective  
working order by the operator.  
CONGRATULATIONS on your purchase of a new tiller. It  
has been designed, engineered and manufactured to give  
you the best possible dependability and performance.  
Should you experience any problems you cannot easily  
remedy, please contact your nearest authorized service  
center. We have competent, well-trained technicians and  
the proper tools to service or repair this unit.  
In the state of California, a spark arrester is required by law  
(Section 4442 of the California Public Resources Code).  
Other states may have similar laws. Federal laws apply  
on federal lands. See your authorized service center/  
DEPARTMENT for spark arrester.  
Please read and retain this manual. The instructions will  
enable you to assemble and maintain your tiller properly.  
Always observe the “SAFETY RULES”.  
TABLE OF CONTENTS  
SAFETY RULES ..........................................................2  
CUSTOMER RESPONSIBILITIES...............................3  
PRODUCT SPECIFICATIONS.....................................3  
ASSEMBLY...............................................................4-6  
OPERATION ...........................................................7-11  
MAINTENANCE SCHEDULE ....................................12  
MAINTENANCE ...................................................12-14  
SERVICE & ADJUSTMENTS ...............................15-18  
STORAGE..................................................................19  
TROUBLESHOOTING...............................................20  
REPAIR PARTS ....................................................21-27  
3
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ASSEMBLY  
Your new tiller has been assembled at the factory with exception of those parts left unassembled for shipping purposes.  
To ensure safe and proper operation of your tiller all parts and hardware you assemble must be tightened securely. Use  
the correct tools as necessary to insure proper tightness.  
TOOLS REQUIRED FOR ASSEMBLY  
FRONT  
A socket wrench set will make assembly easier. Standard  
wrench sizes are listed.  
(1) Utility knife  
(1) Tire pressure gauge  
(1) Pair of pliers  
LEFT  
RIGHT  
(1) 9/16" wrench  
OPERATOR’S POSITION (See Fig. 1)  
When right or left hand is mentioned in this manual, it  
means when you are in the operating position (standing  
behind tiller handles).  
OPERATOR’S  
POSITION  
FIG. 1  
CONTENTS OF HARDWARE PACK  
(1) Carriage Bolt  
3/8-16 UNC x 1 Grade 5  
(1) Center Locknut  
3/8-16 UNC  
(2) Handle Locks  
(1) Handle Lock Lever  
(1) Hairpin Clip  
(1) Flat Washer 13/32 x 1 x 11 Gauge  
(1) Pivot Bolt  
3/8-16 UNC Grade 5  
Extra Shear Pins & Clips  
4
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ASSEMBLY  
Grasp handle assembly. Hold in “up” position. Be sure  
UNPACKING CARTON (See Fig. 2)  
handle lock remains in gearcase notch. Slide handle  
assembly into position.  
CAUTION: Be careful of exposed  
staples when handling or disposing  
of cartoning material.  
HANDLE ASSEMBLY  
"UP" POSITION  
IMPORTANT:WHEN UNPACKINGANDASSEMBLINGTILLER,  
BE CAREFUL NOT TO STRETCH OR KINK CABLES.  
TIGHTEN HANDLE LOCK  
LEVER TO HOLD  
While holding handle assembly, cut cable ties securing  
handle assembly to top frame and depth stake. Let  
handle assembly rest on tiller.  
Remove top frame of carton.  
Slowly ease handle assembly up and place on top of  
carton.  
LOOSEN HANDLE  
LOCK LEVER TO MOVE  
Cut down right hand front and right hand rear corners  
of carton, lay side carton wall down.  
Remove packing material from handle assembly.  
FIG. 4  
HANDLE  
ASSEMBLY  
Rotatehandleassemblydown.Insertrearcarriagebolt  
first, with bolt head on L.H. side of tiller and loosely  
assemble locknut (See Fig. 5).  
Insert pivot bolt in front part of plate and tighten.  
Cut down remaining corners of carton and lay panels  
flat.  
Lower the handle assembly. Tighten nut on carriage  
bolt so handle moves with some resistance. This will  
allow for easier adjustment.  
Place flat washer on threaded end of handle lock le-  
SHIFT ROD  
ver.  
Insert handle lock lever through handle base and  
gearcase. Screw in handle lock lever just enough to  
hold lever in place.  
FIG. 2  
Insert second handle lock (with teeth inward) in the  
slot of the handle base (just inside of washer).  
INSTALL HANDLE (See Figs. 3, 4, and 5)  
With handle assembly in lowest position, securely  
tighten handle lock lever by rotating clockwise. Leav-  
ing handle assembly in lowest position will make it  
easier to remove tiller from carton.  
Insert one handle lock (with teeth facing outward) in  
gearcase notch. (Apply grease on smooth side of  
handle lock to aid in keeping lock in place until handle  
assembly is lowered into position.)  
HANDLE  
LOCK  
VIEWED FROM R.H. SIDE OF TILLER  
HANDLE ASSEMBLY  
FLAT  
WASHER  
GEARCASE  
SLOT  
HANDLE LOCK  
LEVER  
GEARCASE  
NOTCH  
HANDLE  
LOCK  
CARRIAGE  
BOLT  
PIVOT BOLT  
HANDLE  
BASE  
LOCKNUT  
FIG. 3  
FIG. 5  
5
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ASSEMBLY  
CONNECT SHIFT ROD (See Fig. 7)  
ATTACH CLUTCH CABLE (See Fig. 6)  
Insert end of shift rod into hole of shift lever indicator.  
Insert hairpin clip through hole of shift rod to secure.  
Hook end of clutch cable through hole in control bar  
bracket.  
SHIFT  
HAIRPIN  
CLIP  
CONTROL BAR  
BRACKET  
SHIFT  
ROD  
LEVER  
INDICATOR  
FIG. 7  
REMOVE TILLER FROM CRATE  
Make sure shift lever indicator is in “N” position (See  
Fig. 7)  
Tilt tiller forward by lifting handle. Separate cardboard  
cover from leveling shield.  
Rotate tiller handle to the right and pull tiller out of  
carton.  
END OF CLUTCH  
CABLE  
FIG. 6  
CHECK TIRE PRESSURE  
The tires on your unit were overinflated at the factory for  
shipping purposes. Correct and equal tire pressure is  
important for best tilling performance.  
Reduce tire pressure to 20 PSI (1.4 kg/cm2).  
HANDLE HEIGHT  
Handle height may be adjusted to better suit operator.  
(See “TO ADJUST HANDLE HEIGHT” in the Service  
and Adjustments section of this manual).  
6
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OPERATION  
KNOW YOUR TILLER  
READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TILLER.  
Compare the illustrations with your tiller to familiarize yourself with the location of various controls and adjustments. Save  
this manual for future reference.  
These symbols may appear on your Tiller or in literature supplied with the product. Learn and understand their  
meaning.  
S
FAST  
SLOW  
CHOKE  
FUEL  
OIL  
CAUTION  
OR WARNING  
ENGINE  
ON  
ENGINE  
OFF  
TILLING  
TILLING FORWARD  
NEUTRAL REVERSE  
SHIFT LEVER  
THROTTLE  
CONTROL  
CHOKE CONTROL  
SHIFT LEVER INDICATOR  
DRIVE  
CONTROL  
BAR  
DRAG  
STAKE  
DEPTH STAKE  
LEVELING  
SHIELD  
RECOIL  
STARTER  
HANDLE  
FIG. 8  
MEETS ANSI SAFETY REQUIREMENTS  
Our tillers conform to the safety standards of the American National Standards Institute.  
CHOKE CONTROL - Used when starting a cold engine.  
DEPTH STAKE - Controls depth at which tiller will dig.  
OUTER SIDE SHIELD - Adjustable to protect small plants  
from being buried.  
RECOIL STARTER HANDLE - Used to start the engine.  
SHIFT LEVER - Used to shift transmission gears.  
SHIFT LEVER INDICATOR - Shows which gear the trans-  
mission is in.  
DRAG STAKE - Controls forward speed in forward rotating  
till position.  
DRIVE CONTROL BAR - Used to engage tines.  
LEVELING SHIELD - Levels tilled soil.  
7
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OPERATION  
The operation of any tiller can result in foreign objects thrown into the eyes, which can result in  
severe eye damage. Always wear safety glasses or eye shields before starting your tiller and while  
tilling. We recommend a wide vision safety mask for over spectacles or standard safety glasses.  
00155  
HOW TO USE YOUR TILLER  
Know how to operate all controls before adding fuel and  
oil or attempting to start engine.  
TRANSPORT  
POSITION  
SHALLOWEST  
TILLING  
(CULTIVATING)  
STOPPING (See Fig. 9)  
TINES AND DRIVE  
Release drive control bar to stop movement.  
Move shift lever to “N” (neutral) position.  
DEEPEST  
TILLING  
ENGINE  
Move throttle control to “STOP” position.  
Never use choke to stop engine.  
DEPTH  
STAKE  
THROTTLE  
CONTROL  
SHIFT  
LEVER  
2
_
e
k
a
t
s
h_  
pt  
de  
FIG. 10  
DRIVE CONTROL  
BAR “ENGAGED”  
POSITION  
DRAG STAKE (See Fig. 11)  
The drag stake should be raised when tilling in the counter  
rotating ( ) till position. The drag stake should be lowered  
when tilling in the forward rotating ( )till position.  
DRIVE CONTROL BAR  
“DISENGAGED” POSITION  
LOWERED  
(FORWARD ROTATING  
TILL)  
FIG. 9  
TINE OPERATION - WITH WHEEL DRIVE  
Always release drive control bar before moving shift  
lever into another position.  
RAISED  
(COUNTER ROTATING  
TILL)  
Tinemovementisachievedbymovingshiftlevertoeither  
the counter rotating ( ) till position or the forward rotat-  
ing ( ) till position and engaging drive control bar.  
FORWARD - WHEELS ONLY/TINES STOPPED  
FIG. 11  
Releasedrivecontrolbarandmoveshiftleverindicator  
to “F” (forward) position. Engage drive control bar and  
tiller will move forward.  
TILLING (See Fig. 12)  
Release depth stake pin. Pull the depth stake up for  
increased tilling depth. Place depth stake pin in hole  
of depth stake to lock in position.  
REVERSE - WHEELS ONLY/TINES STOPPED  
DO NOT STAND DIRECTLY BEHIND TILLER.  
Release the drive control bar.  
Move throttle control to “SLOW” position.  
Move shift lever indicator to “R” (reverse) position.  
Hold drive control bar against the handle to start tiller  
movement.  
Place shift lever indicator in counter rotating ( ) till  
position.  
Hold the drive control bar against the handle to start  
tilling movement. Tines and wheels will both turn.  
Move throttle control to “FAST” position for deep tilling.  
To cultivate, throttle control can be set at any desired  
speed, depending on how fast or slow you wish to  
cultivate.  
HARD TO SHIFT GEARS  
Brieflyengagedrivecontrolbarandreleaseorrocktiller  
forward and backward until are able to shift gears.  
IMPORTANT: ALWAYS RELEASE DRIVE CONTROL  
BAR BEFORE MOVING SHIFT LEVER INTO ANOTHER  
POSITION.  
DEPTH STAKE (See Fig. 10)  
Thedepthstakecanberaisedorloweredtoallowyoumore  
versatile tilling and cultivating, or to more easily transport  
your tiller.  
8
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OPERATION  
TO TRANSPORT  
DEPTH STAKE PIN  
“RELEASED” POSITION  
CAUTION: Beforeliftingortransporting,  
allow tiller engine and muffler to cool.  
Disconnect spark plug wire. Drain  
gasoline from fuel tank.  
AROUND THE YARD  
Release the depth stake pin. Move the depth stake  
down to the top hole for transporting the tiller. Place  
depth stake pin in hole of depth stake to lock in posi-  
tion. This prevents tines from scuffing the ground.  
“LOCKED”  
POSITION  
NUT “B”  
Place shift lever indicator in “F” (forward) position for  
transporting.  
Hold the drive control bar against the handle to start  
tiller movement. Tines will not turn.  
Move throttle control to desired speed.  
OUTER  
SIDE SHIELD  
NUT A”  
FIG. 12  
AROUND TOWN  
Disconnect spark plug wire.  
Drain fuel tank.  
Transport in upright position to prevent oil leakage.  
TURNING  
Release the drive control bar.  
Move throttle control to “SLOW” position.  
PlaceshiftleverindicatorinF(forward)position. Tines  
will not turn.  
BEFORE STARTING ENGINE  
IMPORTANT: BE VERY CAREFUL NOT TO ALLOW DIRT  
TO ENTER THE ENGINE WHEN CHECKING OR ADDING  
OIL OR FUEL. USE CLEAN OIL AND FUEL AND STORE IN  
APPROVED, CLEAN, COVERED CONTAINERS. USE CLEAN  
FILL FUNNELS.  
Lift handle to raise tines out of ground.  
Swing the handle in the opposite direction you wish  
to turn, being careful to keep feet and legs away from  
tines.  
When you have completed your turn-around, release  
the drive control bar and lower handle. Place shift le-  
ver in (till) position and move throttle control to desired  
speed. To begin tilling, hold drive control bar against  
the handle.  
CHECK ENGINE OIL LEVEL (See Fig. 13)  
The engine in your unit has been shipped, from the  
factory, already filled with SAE 30 summer weight oil.  
With engine level, clean area around oil filler plug and  
remove plug.  
CULTIVATING  
Engineoilshouldbetopointofoverflowingwhenengine  
is level. For approximate capacity see “PRODUCT  
SPECIFICATIONS” on page 3 of this manual. All oil  
must meet A.P.I. Service Classification SG-SL.  
Use the forward rotating tine drive when cultivating,  
tilling soft ground or tilling pre-tilled soil.  
Release depth and drag stake pins. Lower drag stake.  
Pullthedepthstakeupforincreasedtillingdepth.Place  
proper pin in hole of depth stake or drag stake to lock  
in position.  
Place shift lever indicator in ( )till position.  
Hold the drive control bar against the handle to start  
tilling movement. Tines and wheels will both turn.  
Reinstall engine oil cap and tighten.  
For cold weather operation you should change oil for  
easier starting (See oil viscosity chart in the Mainte-  
nance section of this manual).  
To change engine oil, see the Maintenance section in  
this manual.  
Move throttle control "FAST" position for deep tilling.  
To cultivate, throttle control can be set at any desired  
speed, depending on how fast or slow you wish to  
cultivate.  
Alwayslowerthedragstakewhenusingtheforward  
rotating tine drive.  
OUTER SIDE SHIELDS (See Fig. 12)  
The back edges of the outer side shields are slotted so  
that the shields can be raised for deep tilling and lowered  
for shallow tilling to protect small plants from being buried.  
Loosen nut A” in slot and nut “B”. Move shield to desired  
position (both sides). Retighten nuts.  
OIL  
LEVEL  
FIG. 13  
9
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OPERATION  
If engine fires but does not start, move choke control  
ADD GASOLINE  
to half choke position. Pull recoil starter handle until  
engine starts.  
Fill fuel tank to bottom of filler neck. Do not overfill.  
Use fresh, clean, regular unleaded gasoline with a  
minimum of 87 octane. (Use of leaded gasoline will  
increase carbon and lead oxide deposits and reduce  
valve life). Do not mix oil with gasoline. Purchase fuel  
in quantities that can be used within 30 days to assure  
fuel freshness.  
When engine starts, slowly move choke control to  
"RUN" position as engine warms up.  
NOTE: A warm engine requires less choking to start.  
Move throttle control to desired running position.  
Allow engine to warm up for a few minutes before  
engaging tines.  
CAUTION: Fill to within 1/2 inch of top  
offueltanktopreventspillsandtoallow  
for fuel expansion. If gasoline is ac-  
cidentally spilled, move machine away  
from area of spill. Avoid creating any  
sourceofignitionuntilgasolinevapors  
have disappeared.  
Wipe off any spilled oil or fuel. Do not  
store, spill or use gasoline near an  
open flame.  
NOTE: Ifatahighaltitude(3000feet)orincoldtemperatures  
(below 32°F), the carburetor fuel mixture may need to be  
adjusted for best engine performance. See "TO ADJUST  
CARBURETOR" in the Service and Adjustments section  
of this manual.  
NOTE: If engine does not start, see troubleshooting  
points.  
IMPORTANT: WHEN OPERATING IN TEMPERATURES  
BELOW32°F(0°C), USE FRESH, CLEAN WINTER GRADE  
GASOLINE TO HELP INSURE GOOD COLD WEATHER  
STARTING.  
CHOKE CONTROL  
CAUTION: Alcohol blended fuels (called  
gasohol or using ethanol or methanol) can at-  
tract moisture which leads to separation and  
formation of acids during storage. Acidic gas  
can damage the fuel system of an engine while  
in storage. To avoid engine problems, the fuel  
system should be emptied before storage of  
30 days or longer. Drain the gas tank, start  
the engine and let it run until the fuel lines  
and carburetor are empty. Use fresh fuel next  
season. SeeStorageInstructionsforadditional  
information. Never use engine or carburetor  
cleaner products in the fuel tank or permanent  
damage may occur.  
RECOIL STARTER  
HANDLE  
FIG. 14  
TILLING HINTS (See Fig. 15)  
CAUTION: Untilyouareaccustomedto  
handlingyourtiller,startactualfielduse  
with throttle in slow position (mid-way  
between “FAST” and “IDLE”).  
TO START ENGINE (See Fig. 14)  
Tilling is digging into, turning over, and breaking up  
packedsoilbeforeplanting.Loose,unpackedsoilhelps  
root growth. Best tilling depth is 4" to 6" (10-15 cm).  
A tiller will also clear the soil of unwanted vegetation.  
The decomposition of this vegetable matter enriches  
the soil. Depending on the climate (rainfall and wind),  
it may be advisable to till the soil at the end of the  
growing season to further condition the soil.  
You will find tilling much easier if you leave a row un-  
tilled between passes. Then go back between tilled  
rows. (See Fig. 14) There are two reasons for doing  
this. First, wide turns are much easier to negotiate than  
about-faces. Second, the tiller won’t be pulling itself,  
and you, toward the row next to it.  
Soilconditionsareimportantforpropertilling.Tineswill  
notreadilypenetratedry,hardsoilwhichmaycontribute  
to excessive bounce and difficult handling of your tiller.  
Hard soil should be moistened before tilling; however,  
extremely wet soil will “ball-up” or clump during tilling.  
Wait until the soil is less wet in order to achieve the  
best results. When tilling in the fall, remove vines and  
long grass to prevent them from wrapping around the  
tine shaft and slowing your tilling operation.  
CAUTION: Keep drive control bar in  
“DISENGAGED” position when start-  
ing engine.  
When starting engine for the first time or if engine has run  
out of fuel, it will take extra pulls of the recoil starter to  
move fuel from the tank to the engine.  
Make sure spark plug wire is properly connected.  
Move shift lever indicator to “N” (neutral) position.  
Place throttle control in “FAST” position.  
Turn fuel shut-off valve 1/4 turn to open position.  
Move choke control to choke position.  
Grasp recoil starter handle with one hand and grasp  
tiller handle with other hand. Pull rope out slowly until  
engine reaches start of compression cycle (rope will  
pull slightly harder at this point).  
Pull recoil starter handle quickly. Do not let starter  
handle snap back against starter.  
10  
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OPERATION  
Donotleanonhandle. Thistakesweightoffthewheels  
ADJUST WHEELS FOR CULTIVATING  
(See Figs. 17 and 18)  
and reduces traction. To get through a really tough  
section of sod or hard ground, apply upward pressure  
on handle or lower the depth stake.  
Place blocks under right hand side of tiller and remove  
hairpin clip and clevis pin from right hand wheel.  
Move wheel outward approximately 1 inch until hole in  
inner wheel hub lines up with inner hole in axle.  
Replace clevis pin and hairpin clip on inside of wheel  
and remove blocks.  
Repeat preceding steps on left hand side.  
NOTE: In extremely rough conditions and while  
cultivating, the wheels should be moved outward on the  
axle for increased stability.  
4
3
2
1
OUTER VIEW OF TIRE  
5
6
7
CLEVIS  
PIN  
FIG. 15  
CULTIVATING (See Fig. 16)  
Cultivating is destroying the weeds between rows to pre-  
vent them from robbing nourishment and moisture from the  
plants. At the same time, breaking up the upper layer of  
soil crust will help retain moisture in the soil. Best digging  
depth is 1" to 3" (2.5-7.5 cm). Lower the outer side shields  
to protect small plants from being buried.  
HAIRPIN  
CLIP  
tire_1  
Cultivate up and down the rows at a speed which will  
allow tines to uproot weeds and leave the ground in  
rough condition, promoting no further growth of weeds  
and grass (See Fig. 16).  
FIG. 17  
INNER VIEW OF TIRE  
Do not lean on handle, this takes weight off the wheels,  
reduces traction, and may cause the tiller to skip over  
the ground.  
Alwayslowerthedragstakewhenusingtheforward  
rotating tine drive.  
CLEVIS  
PIN  
HAIRPIN  
CLIP  
tire_2  
FIG. 18  
FIG. 16  
11  
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MAINTENANCE  
MAINTENANCE  
SCHEDULE  
HOURS  
0
FILL IN DATES  
AS YOU COMPLETE  
REGULAR SERVICE  
SERVICE DATES  
EVERY SEASON  
BEFORE EEAVCEHRUYS5EHEOVEURYS 25EHVOEURRYS5  
Check Engine Oil Level  
Change Engine Oil  
1,2  
Oil Pivot Points  
Inspect Spark Arrester / Muffler  
Inspect Air Screen  
Clean or Replace Air Cleaner Cartridge  
Clean Engine Cylinder Fins  
Replace Spark Plug  
2
RH Gear Case Grease Fitting (1oz.)  
1 - Change more often when operating under a heavy load or in high ambient temperatures.  
2 - Service more often when operating in dirty or dusty conditions.  
LUBRICATION CHART  
GENERAL RECOMMENDATIONS  
The warranty on this tiller does not cover items that have  
beensubjectedtooperatorabuseornegligence. Toreceive  
fullvaluefromthewarranty,theoperatormustmaintaintiller  
as instructed in this manual.  
c THROTTLE CONTROL  
d ENGINE  
Some adjustments will need to be made periodically to  
properly maintain your tiller.  
eRH GEAR CASE  
GREASE FITTING  
All adjustments in the Service and Adjustments section  
of this manual should be checked at least once each  
season.  
c DEPTH  
Once a year you should replace the spark plug, clean  
or replace air filter, and check tines and belts for wear.  
A new spark plug and clean air filter assure proper  
air-fuel mixture and help your engine run better and  
last longer.  
STAKE PIN  
c LEVELING  
SHIELD  
HINGES  
BEFORE EACH USE  
Check engine oil level.  
Check tine operation.  
Check for loose fasteners.  
c IDLER  
c WHEEL  
BRACKET  
HUB  
cSAE 30 OR 10W-30 MOTOR OIL  
dREFER TO MAINTENANCE “ENGINE” SECTION  
eEP #1 GREASE  
LUBRICATION  
Keep unit well lubricated (See “LUBRICATION CHART”).  
12  
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MAINTENANCE  
Disconnect spark plug wire before performing any maintenance (except carburetor adjustment) to  
prevent accidental starting of engine.  
Prevent fires! Keep the engine free of grass, leaves, spilled oil, or fuel. Remove fuel from tank  
before tipping unit for maintenance. Clean muffler area of all grass, dirt, and debris.  
Do not touch hot muffler or cylinder fins as contact may cause burns.  
AIR FILTER (See Fig. 21)  
ENGINE  
Yourenginewillnotrunproperlyusingadirtyairfilter. Clean  
LUBRICATION  
Use only high quality detergent oil rated with API service  
classification SG-SL. Select the oil’s SAE viscosity grade  
according to your expected temperature.  
the foam pre-cleaner after every 25 hours of operation or  
every season. Service paper cartridge every 100 hours of  
operation or every season, whichever occurs first.  
Service air cleaner more often under dusty conditions.  
Remove cover screw and cover.  
SAE VISCOSITY GRADES  
TO SERVICE PRE-CLEANER  
SAE 30  
Remove foam pre-cleaner from air cleaner cover.  
Wash it in liquid detergent and water.  
Squeeze it dry in a clean cloth.  
If very dirty or damaged, replace pre-cleaner.  
Reinstall pre-cleaner into air cleaner cover.  
Reinstall cover and secure screw.  
10W-30 / 5W-30  
-20  
0
30  
40  
4
100  
60  
80  
F
C
-20  
10  
-30  
-10  
20  
30  
40  
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE  
oil_visc_chart5_e(drt)  
FIG. 19  
TO SERVICE CARTRIDGE  
NOTE: Although multi-viscosity oils (5W-30, 10W-30, etc.)  
improve starting in cold weather, these multi-viscosity oils  
will result in increased oil consumption when used above  
40°F (4°C). Check your engine oil level more frequently to  
avoid possible engine damage from running low on oil.  
Carefully remove cartridge to prevent debris from  
entering carburetor. Clean base carefully to prevent  
debris from entering carburetor.  
Clean cartridge by tapping gently on flat surface. If  
very dirty or damaged, replace cartridge.  
Change the oil after every 25 hours of operation or at  
least once a year if the tiller is not used for 25 hours in  
one year.  
Reinstall cartridge, cover with pre-cleaner and secure  
with screw.  
IMPORTANT: PETROLEUMSOLVENTS,SUCHASKEROSENE,  
ARE NOT TO BE USED TO CLEAN THE CARTRIDGE. THEY  
MAYCAUSEDETERIORATIONOFTHECARTRIDGE. DONOT  
OILCARTRIDGE. DONOTUSEPRESSURIZEDAIRTOCLEAN  
OR DRY CARTRIDGE.  
Check the crankcase oil level before starting the engine  
and after each five (5) hours of continuous use. Add SAE  
30 motor oil or equivalent. Tighten oil filler plug securely  
each time you check the oil level.  
TO CHANGE ENGINE OIL (See Figs. 19 and 20)  
COVER  
KNOB  
Be sure tiller is on level surface.  
Oil will drain more freely when warm.  
Use a funnel to prevent oil spill on tiller, and catch oil  
in a suitable container.  
COVER  
FOAM  
Remove drain plug.  
For easier removal of plug use 7/16 12 Pt. socket with  
extension.  
PRECLEANER  
AIR CLEANER  
CARTRIDGE  
Tip tiller forward to drain oil.  
After oil has drained completely, replace oil drain plug  
and tighten securely.  
BASE  
Remove oil filler plug. Be careful not to allow dirt to  
enter the engine.  
Refillenginewithoil. SeeCHECKENGINEOILLEVEL”  
in the Operation section of this manual.  
FIG. 21  
OIL  
DRAIN  
PLUG  
OIL LEVEL  
OIL FILLER  
PLUG  
FIG. 20  
13  
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MAINTENANCE  
COOLING SYSTEM (See Fig. 22)  
Your engine is air cooled. For proper engine performance  
and long life keep your engine clean.  
SPARK PLUG  
Replace spark plugs at the beginning of each tilling sea-  
son or after every 50 hours of use, whichever comes first.  
Spark plug type and gap setting is shown in “PRODUCT  
SPECIFICATIONS” on page 3 of this manual.  
Clean air screen frequently using a stiff-bristled-  
brush.  
Remove blower housing and clean as necessary.  
Keep cylinder fins free of dirt and chaff.  
TRANSMISSION  
Once a season, lubricate the right hand side gear case  
grease fitting with 1 oz. of EP #1 Grease.  
CLEANING  
Do not clean your tiller when the engine and transmission  
are hot. We do not recommend using pressurized water  
(garden hose, etc.) to clean your unit unless the gasket  
area around the transmission and the engine muffler, air  
filter and carburetor are covered to keep water out. Water  
in engine will shorten the useful life of your tiller.  
BLOWER  
HOUSING  
AIR SCREEN  
e
n
g
i
n
e
_
a
r
t
_
6
1
Clean engine, wheels, finish, etc. of all foreign matter.  
Keep finished surfaces and wheels free of all gasoline,  
oil, etc.  
FIG. 22  
Protect painted surfaces with automotive type wax.  
MUFFLER  
Do not operate tiller without muffler. Do not tamper with  
exhaustsystem.Damagedmufflersorsparkarresterscould  
create a fire hazard. Inspect periodically and replace if nec-  
essary. If your engine is equipped with a spark arrester  
screen assembly, remove every 50 hours for cleaning and  
inspection. Replace if damaged.  
14  
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SERVICE AND ADJUSTMENTS  
CAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come into  
contact with plug.  
TILLER  
TO ADJUST HANDLE HEIGHT (See Fig. 23)  
Select handle height best suited for your tilling conditions.  
Handle height will be different when tiller digs into soil.  
CLEVIS PIN  
First loosen handle lock lever.  
Handle can be positioned at different settings between  
“HIGH” and “LOW” positions.  
Retighten handle lock lever securely after adjusting.  
HANDLE  
(HIGH POSITION)  
HAIRPIN CLIP  
tire_3  
HANDLE LOCK  
LEVER  
FIG. 24  
TO REMOVE BELT GUARD (See Fig. 25)  
NOTE: For ease of removal, remove hairpin clip and  
clevis pin from left wheel. Pull wheel out from tiller about  
1 inch.  
HANDLE  
(LOW POSITION)  
Remove two (2) screws from side of belt guard.  
Remove hex nut and washer from bottom of belt guard  
(located behind wheel).  
Pull belt guard out and away from unit.  
Replace belt guard by reversing above procedure.  
FIG. 23  
TIRE CARE  
CAUTION: When mounting tires, un-  
lessbeadsareseated,overinflationcan  
cause an explosion.  
SCREW  
AND WASHER  
BELT GUARD  
HEX NUT  
AND  
WASHER  
(LOCATED  
BEHIND  
TIRE)  
Maintain 20 pounds of tire pressure. If tire pressures  
are not equal, tiller will pull to one side.  
Keep tires free of gasoline or oil which can damage  
rubber.  
TO REMOVE WHEEL (See Fig. 24)  
Place blocks under transmission to keep tiller from  
tipping.  
Remove hairpin clip and clevis pin from wheel.  
Remove wheel and tire.  
SCREW  
AND  
WASHER  
HAIRPIN CLIP  
AND CLEVIS PIN  
FIG. 25  
Repair tire and reassemble.  
15  
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SERVICE AND ADJUSTMENTS  
TO REPLACE GROUND DRIVE BELT  
GROUND DRIVE BELT ADJUSTMENT  
(See Figs. 25 and 26)  
(See Fig. 26)  
RemovebeltguardasdescribedinTOREMOVEBELT  
GUARD”.  
Remove old belt by slipping off engine pulley first then  
remove from transmission pulley.  
Place new belt in groove of transmission pulley and  
into engine pulley. BELT MUST BE IN GROOVE ON  
TOP OF IDLER PULLEY. NOTE POSITION OF BELT  
TO GUIDES.  
For proper belt tension, the extension spring should have  
about 5/8 inch (16 mm) stretch when drive control bar is  
in “ENGAGED” position. This tension can be attained as  
follows:  
Loosen cable clip screw securing the drive control  
cable.  
Slide cable forward for less tension and rearward for  
more tension until about 5/8 inch (16 mm) stretch is  
obtained while the drive control bar is engaged.  
Check belt adjustment as described below.  
Replace belt guard.  
Reposition wheel and replace clevis pin and hairpin  
clip.  
Tighten cable clip screw securely.  
CABLE CLIP  
SCREW  
ENGINE  
PULLEY  
DRIVE  
CONTROL  
CABLE  
LESS  
TENSION  
MORE  
TENSION  
5/8"  
EXTENSION  
SPRING  
IDLER  
PULLEY  
TRANSMISSION  
PULLEY  
FIG. 26  
16  
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SERVICE AND ADJUSTMENTS  
To maintain the superb tilling performance of this ma-  
TINE REPLACEMENT  
chinethetinesshouldbecheckedforsharpness, wear,  
and bending, particularly the tines which are next to  
thetransmission. Ifthegapbetweenthetinesexceeds  
3-1/2 inches they should be replaced or straightened  
as necessary.  
(See Figs. 27, 28 and 29)  
CAUTION: Tines are sharp. Wear  
gloves or other protection when han-  
dling tines.  
For tines that are slightly worn, the bolted tine and hub  
assembliescanbeswitchedbetweensidestocontinue  
tillinginthesametillingmodeiftillinginadifferentmode  
is desired then the bolted tine and hub assemblies  
should be switched back to their original side so that  
the tine edge with the least wear will be used.  
A badly worn tine causes your tiller to work harder and dig  
more shallow. Most important, worn tines cannot chop and  
shred organic matter as effectively nor bury it as deeply as  
good tines. A tine this worn needs to be replaced.  
tine_19  
NEW TINE  
WORN TINE  
TINE  
TINE  
3-1/2" MAX  
FIG. 27  
FIG. 28  
HAIRPIN CLIP  
SHARP EDGES  
SHARP EDGES  
HAIRPIN  
CLIP  
SHARP EDGES  
SHEAR PIN  
tine_20  
FIG. 29  
17  
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SERVICE AND ADJUSTMENTS  
ENGINE  
TO ADJUST CARBURETOR  
Thecarburetorhasbeenpresetatthefactoryandadjustment  
should not be necessary. However, engine performance  
can be affected by differences in fuel, temperature, altitude  
or load. If the carburetor does need adjustment, contact  
your nearest authorized service center/department  
IMPORTANT: NEVERTAMPERWITHTHEENGINEGOVERNOR,  
WHICH IS FACTORY SET FOR PROPER ENGINE SPEED.  
OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH  
SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE  
ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING,  
CONTACTYOURNEARESTAUTHORIZEDSERVICECENTER/  
DEPARTMENT, WHICH HAS THE PROPER EQUIPMENT AND  
EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS.  
TO ADJUST THROTTLE CONTROL CABLE  
(See Fig. 30)  
The throttle control has been preset at the factory and  
adjustment should not be necessary. If adjustment is  
necessary, proceed as follows:  
With engine not running, move remote throttle control  
lever to “FAST” position.  
If throttle lever on engine touches high speed stop, no  
further adjustment is necessary. If throttle lever does  
not touch high speed stop, continue with adjustment  
procedure.  
Loosen cable clamp screw.  
Move throttle lever up until it touches high speed stop,  
and hold in this position.  
Tighten cable clamp screw securely.  
CLAMP SCREW  
CASING  
AND WIRE  
engine_art_78  
THROTTLE CONTROL  
FIG. 30  
18  
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STORAGE  
Immediately prepare your tiller for storage at the end of the  
ENGINE OIL  
Drainoil(withenginewarm)andreplacewithcleanoil. (See  
“ENGINE” in the Maintenance section of this manual).  
season or if the unit will not be used for 30 days or more.  
CAUTION: Never store the tiller with  
gasoline in the tank inside a building  
where fumes may reach an open flame  
orspark. Allowtheenginetocoolbefore  
storing in any enclosure.  
CYLINDER(S)  
Remove spark plug.  
Pour 1 ounce (29 ml) of oil through spark plug hole into  
cylinder.  
TILLER  
Pull starter handle slowly several times to distribute  
oil.  
Replace with new spark plug.  
Cleanentiretiller(SeeCLEANINGintheMaintenance  
section of this manual).  
Inspect and replace belts, if necessary (See belt re-  
placement instructions in the Service and Adjustments  
section of this manual).  
Lubricate as shown in the Maintenance section of this  
OTHER  
manual.  
Do not store gasoline from one season to another.  
Be sure that all nuts, bolts and screws are securely  
fastened. Inspect moving parts for damage, breakage  
and wear. Replace if necessary.  
Touch up all rusted or chipped paint surfaces; sand  
lightly before painting.  
Replace your gasoline can if your can starts to rust.  
Rust and/or dirt in your gasoline will cause problems.  
If possible, store your unit indoors and cover it to give  
protection from dust and dirt.  
Cover your unit with a suitable protective cover that  
does not retain moisture. Do not use plastic. Plastic  
cannot breathe which allows condensation to form and  
will cause your unit to rust.  
ENGINE  
IMPORTANT: NEVER COVER TILLER WHILE ENGINE AND  
EXHAUST AREAS ARE STILL WARM.  
FUEL SYSTEM  
IMPORTANT:ITISIMPORTANTTOPREVENTGUMDEPOSITS  
FROMFORMINGINESSENTIALFUELSYSTEMPARTSSUCH  
AS THE CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK  
DURING STORAGE. ALSO, EXPERIENCE INDICATES THAT  
ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING  
ETHANOLORMETHANOL)CANATTRACTMOISTUREWHICH  
LEADSTOSEPARATIONANDFORMATIONOFACIDSDURING  
STORAGE. ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM  
OF AN ENGINE WHILE IN STORAGE.  
Empty the fuel tank by starting the engine and let it run  
until the fuel lines and carburetor are empty.  
Never use engine or carburetor cleaner products in the  
fuel tank or permanent.  
Use fresh fuel next season.  
NOTE: Fuel stablizer is an acceptable alternative in  
minimizing the formation of fuel gum deposits during  
storage. Add stabilizer to gasoline in fuel tank or storage  
container. Always follow the mix ratio found on stablizer  
container. Run engine at least 10 minutes after adding  
stablizer to allow the stabilizer to reach the carburetor.  
Do not empty the gas tank and carburetor if using fuel  
stabilizer.  
19  
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TROUBLESHOOTING POINTS  
PROBLEM  
CAUSE  
CORRECTION  
Will not start  
1. Out of fuel.  
1. Fill fuel tank.  
2. Engine not “CHOKED” properly.  
3. Engine flooded.  
4. Dirty air cleaner.  
5. Water in fuel.  
2. See “TO START ENGINE” in Operation section.  
3. Wait several minutes before attempting to start.  
4. Clean or replace air cleaner cartridge.  
5. Empty fuel tank and carburetor, and refill tank  
with fresh gasoline.  
6. Clogged fuel tank.  
7. Loose spark plug wire.  
6. Remove fuel tank and clean.  
7. Make sure spark plug wire is seated properly on  
plug.  
8. Replace spark plug or adjust gap.  
9. Make necessary adjustments.  
8. Bad spark plug or improper gap.  
9. Carburetor out of adjustment.  
Hard to start  
1. Throttle control not set properly.  
2. Dirty air cleaner.  
1. Place throttle control in “FAST” position.  
2. Clean or replace air cleaner cartridge.  
3. Replace spark plug or adjust gap.  
4. Empty fuel tank and refill tank with fresh, clean  
gasoline.  
3. Bad spark plug or improper gap.  
4. Stale or dirty fuel.  
5. Loose spark plug wire.  
5. Make sure spark plug wire is seated properly on  
plug.  
6. Carburetor out of adjustment.  
6. Make necessary adjustments.  
Loss of power  
1. Engine is overloaded.  
2. Dirty air cleaner.  
3. Low oil level/dirty oil.  
4. Faulty spark plug.  
5. Oil in fuel.  
1. Set depth stake for shallower tilling.  
2. Clean or replace air cleaner cartridge.  
3. Check oil level/change oil.  
4. Clean and regap or change spark plug.  
5. Empty and clean fuel tank and refill, and clean  
carburetor.  
6. Stale or dirty fuel.  
7. Water in fuel.  
6. Empty fuel tank and refill fuel tank with fresh  
gasoline.  
7. Empty fuel tank and carburetor, and refill tank  
with fresh gasoline.  
8. Clogged fuel tank.  
8. Remove fuel tank and clean.  
9. Connect and tighten spark plug wire.  
10. Clean engine air screen.  
9. Spark plug wire loose.  
10. Dirty engine air screen.  
11. Dirty/clogged muffler.  
12. Carburetor out of adjustment.  
13. Poor compression.  
11. Clean/replace muffler.  
12. Make necessary adjustments.  
13. Contact an authorized service centerdepartment.  
Engine overheats  
1. Low oil level/dirty oil.  
2. Dirty engine air screen.  
3. Dirty engine.  
4. Partially plugged muffler.  
5. Improper carburetor adjustment.  
1. Check oil level/change oil.  
2. Clean engine air screen.  
3. Clean cylinder fins, air screen, and muffler area.  
4. Remove and clean muffler.  
5. Adjust carburetor to richer position.  
Excessive bounce/  
difficult handling  
1. Ground too dry and hard.  
1. Moisten ground or wait for more favorable soil  
conditions.  
Soil balls up or clumps 1. Ground too wet.  
1. Wait for more favorable soil conditions.  
Engine runs but tiller  
won’t move  
1. Drive control bar is not engaged.  
2. V-belt not correctly adjusted.  
3. V-belt is off pulley(s).  
1. Engage drive control.  
2. Inspect/adjust V-belt.  
3. Inspect V-belt.  
Engine runs but labors  
when tilling  
1. Tilling too deep.  
2. Throttle control not properly adjusted.  
3. Carburetor out of adjustment.  
1. Set depth stake for shallower tilling.  
2. Check throttle control setting.  
3. Make necessary adjustments.  
Tines will not rotate  
1. Shear pin(s) broken.  
1. Replace shear pin(s).  
Tines skip over  
ground  
1. Drag Stake not lowered in forward rotating 1. Lower Drag Stake  
till mode.  
2. Improper tilling mode.  
2. Forward rotating tine drive should only be used  
for soft ground or for soil that has already been  
tilled.  
Hard to shift into gear  
1. Gears not timed.  
1. Briefly engage drive control bar and release or  
rock tiller forward and backward until are able to  
shift gears.  
Tiller shuts off when  
drive control bar  
engaged  
1. Shift lever set in between counter rotating till  
position and forward rotating till position.  
2. Tines jammed.  
1. Shift to either counter rotating till position or forward  
rotating till position.  
2. Clear tines.  
20  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
HANDLE ASSEMBLY  
8
6
2
30  
10  
13  
33  
12  
2
14  
11  
41  
27  
15  
27  
1
29  
37  
21  
16  
37  
4
18  
20  
19  
26  
24  
11  
17  
31  
23  
Handle_assy_99_19  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
1
532 18 06-34 Control, Throttle  
532 16 57-87 Grip, Handle  
21  
23  
532 18 11-27 Handle  
2
532 08 67-77 Screw, Hex Washer SLT  
#10-24 x .50  
4
532 15 92-28 Bar Assembly, Control  
532 18 06-76 Panel, Control  
6
24  
26  
27  
29  
30  
31  
33  
37  
41  
532 00 94-84 Clip  
8
871 19 10-08 Screw, Truss Hd. #10-24 unc x 1/2  
532 12 47-97 Grip, Handle  
532 15 92-31 Cable, Clutch  
873 90 04-00 Nut, Hex Flange 1/4-20 unc  
873 73 10-00 Nut, Keps #10-24 unc  
532 10 41-64 Tie, Cable  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
532 12 47-88 Clip, Hairpin  
532 08 13-28 Bolt, Shoulder  
532 18 74-97 Handle, Shift  
532 15 06-96 Bolt, Pivot  
532 10 93-13 Grommet, Rubber  
532 10 93-37 Rod, Shift  
872 14 04-04 Bolt, Carriage 1/4-20 unc x 1/2  
532 10 26-04 Grip, Bar, Control  
532 10 27-44 Clamp, Bar, Control  
872 11 06-08 Bolt, Carriage 3/8-16 x 1 Gr. 5  
532 10 92-29 Lock, Handle  
873 68 06-00 Nut, Crownlock 3/8-16 unc  
819 13 16-11 Washer 13/32 x 1 x 11 Ga.  
532 10 92-28 Lever, Lock, Handle  
NOTE: All component dimensions given in U.S. inches.  
1 inch = 25.4 mm  
21  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
MAINFRAME, LEFT SIDE  
7
9
6
8
39  
10  
65  
5
ꢀꢁ  
ꢀꢁ  
12  
13  
21  
4
65  
38  
14  
37  
33  
16  
32  
36  
67  
34  
27  
31  
19  
40  
29  
22  
30  
66  
23  
28  
3
44  
24  
15  
40  
26  
MAINFRAME?LEFT?ꢂꢃ?Rꢂ  
25  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
3
4
5
6
7
8
9
873 22 06-00 Nut, Hex 3/8-16  
26  
27  
28  
29  
30  
31  
32  
33  
34  
36  
37  
38  
39  
40  
44  
65  
66  
67  
68  
532 16 67-92 Guard, Belt  
532 13 28-01 Belt, V  
532 10 46-79 Pulley, Idler  
812 00 00-32 Ring, Klip  
532 15 92-29 Bracket, Idler  
532 17 01-27 Shield, Inner Belt Guard RT  
532 16 43-29 Pin Spirol Flared  
532 16 27-56 Lever, Shift  
872 11 04-04 Bolt, Carriage 1/4-20 x 1/2 Gr. 5  
532 16 15-30 Plate, Shift Indicator  
532 10 23-84 Bolt, Hex 5/16-16 x 12  
532 10 21-41 Shaft, Idler Arm  
874 76 06-16 Bolt, Hex 3/8-16 x 1  
532 10 23-83 Counterweight, L. H.  
532 10 23-31 Bracket, Reinforcement, L. H.  
532 13 08-12 Sheave, Engine  
874 76 05-44 Bolt, Fin Hex 5/16-18 unc x 2-3/4  
532 14 00-62 Cap, Plunger Blk  
532 17 04-88 Screw Hex Wsh Slt #10-24 x 1/2  
873 80 05-00 Nut Lock Hex w/Ins 5/16-18 unc PL  
873 97 05-00 Nut Lock Hex Flange  
819 13 13-12 Washer 13/32 x 13/16 x 12 Ga.  
874 76 05-24 Bolt, Hex 5/16-18 x 1-1/2  
873 51 06-00 Nut keps Hex 3/8-16 unc  
532 08 67-77 Screw, Hex, Washer Head, Slotted  
#10-24 x 1/2  
10  
12  
13  
14  
15  
16  
19  
21  
22  
23  
532 00 94-84 Clip  
873 51 04-00 Nut, Keps Hex 1/4-20 unc  
823 23 05-06 Screw, Set, Hex 5/16-18 x 3/8  
532 11 06-52 Spacer, Split 0.327 x 0.42 x 2.09  
819 11 11-16 Washer 11/32 x 11/16 x 16 Ga.  
532 14 51-02 Sheave, Transmission  
812 00 00-28 Retainer, Ring  
532 15 61-17 Spacer, Split  
874 77 05-08 Bolt, Fin Hex 5/16-24 unf x 1/2  
532 10 21-90 Tire  
532 15 07-40 Rim  
532 12 47-18 Tire Valve  
24  
25  
532 12 68-75 Rivet, Drilled  
NOTE: All component dimensions given in U.S. inches.  
532 16 67-92 Clip, Hairpin  
1 inch = 25.4 mm  
22  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
MAINFRAME, RIGHT SIDE  
ꢄꢀ  
ꢄꢆ  
ꢄꢅ  
ꢃꢃ  
ꢄꢄ  
MAINFRAME?RIGHT?ꢄꢂ?Rꢂ  
ꢄꢇ  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
1
532 18 51-90 Bumper Asm.  
15  
- - - - - - - -  
Engine, Briggs & Stratton  
Model No. 122002 (Order parts  
from Engine Manufacturer)  
2
873 97 05-00 Locknut, Hex, Flange 5/16-18  
819 11 11-16 Washer 11/32 x 11/16 x 16 Ga.  
874 76 05-12 Bolt 5/16-18 x 1-3/4  
532 10 23-32 Bracket, Reinforcement  
532 10 21-73 Counter Weight, R.H.  
874 76 05-24 Bolt, Hex 5/16-18 x 1-1/2  
532 12 47-88 Clip, Hairpin  
3
4
22  
44  
874 76 05-28 Bolt 5/16-18 x 1-3/4  
873 51 06-00 Nut Keps Hex 3/8-16 unc  
5
7
10  
11  
12  
13  
NOTE: All component dimensions given in U.S. inches  
1 inch = 25.4 mm  
532 12 68-75 Rivet, Drilled  
For engine service and replacement parts, call the toll free  
number for your engine manufacturer listed below:  
Briggs & Stratton  
532 10 21-90 Tire  
532 15 07-40 Rim  
1-800-233-3723  
532 12 47-18 Tire Valve  
23  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
TRANSMISSION  
12  
13  
9
57  
15  
11  
60  
10  
16  
48  
9
14  
25  
24  
8
5
18  
31  
7
23  
44  
6
22  
18  
21  
30  
5
18  
29  
19  
4
18  
18  
55  
43  
34  
42  
56  
40  
55  
41  
20  
33  
53  
32  
27  
49  
28  
38  
37  
3
39  
37  
2
54  
35  
36  
50  
24  
25  
52  
53  
44  
58  
51  
transmission_7  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
1
532 18 82-40 Transmission Assembly (Includes  
Key Nos. 2-52)  
32  
33  
34  
35  
36  
532 10 63-88 Spacer 0.70 x 1.00 x 1.150  
532 10 21-21 Sprocket and Gear Assembly  
532 10 21-12 Shaft, Reduction (2nd)  
532 10 21-01 Screw, Whiz, Lock 5/16-18 x 3-1/2  
532 16 15-24 Sprocket Assembly w/Bearing  
(Includes Key Nos. 37 and 38)  
2
532 18 82-20 Gearcase, L.H. w/Bearing  
(Includes Key No. 4)  
3
532 16 19-63 Gasket, Gearcase  
532 00 50-20 Bearing, Needle  
532 00 13-70 Washer, Thrust 5/8 x 1.10 x 1/32  
532 16 15-20 Pinion, Input  
4
5
37  
38  
39  
40  
41  
42  
43  
44  
48  
532 10 04-13 Bearing, Needle  
6
532 16 15-25 Sprocket, Tine  
7
532 16 15-18 Shaft, Input  
532 16 15-26 Gear, Cluster, Red 1st & 2nd  
532 10 53-46 Gear, Reverse  
8
532 00 48-95 Bearing, Needle  
532 15 44-67 Washer, Seal  
9
532 16 15-23 Shaft, Reduction (1st)  
532 00 42-20Washer, Thrust  
10  
11  
12  
13  
14  
15  
16  
18  
19  
20  
532 00 73-92 Ball, Steel  
532 10 03-71 Spring, Shift, Fork  
532 10 61-60 O-Ring  
532 10 61-46 Spacer 1.01 x 1.75 x 0.760  
532 15 52-36 Seal Asm. OIl  
532 14 21-45 Arm, Shift  
532 18 82-35 Gearcase, R.H. w/Bearing  
(Includes Key No. 8)  
532 00 83-53 Fork, Shift  
812 00 00-39 Ring, Klip  
49  
50  
51  
52  
53  
54  
532 13 26-88 Shaft, Tine  
532 16 15-16 Shaft, Shift  
532 10 61-47 Chain, Roller #50-50 Pitch  
817 72 04-08 Screw 1/4-20 x 1/2  
873 22 05-00 Nut, Hex 5/16-18  
532 16 51-40 Bearing Kit, Tine Shaft  
532 16 15-28 Gear, DRT Idler w/Bearing  
(Includes Key No. 55)  
532 00 43-58 Washer  
812 00 00-40 Ring, Klip  
532 10 21-14 Gear, Assembly, Reverse Idler  
(Includes Key Nos. 21 and 22)  
532 10 21-15 Gear, Reverse Idler  
532 00 68-03 Bearing, Needle  
532 16 15-27 Shaft, Reverse Idler  
810 04 07-00 Washer, Lock 7/16  
873 61 07-00 Nut, Hex 7/16-20  
523 14 30-09 Bearing, Shaft, Ground Drive L.H.  
532 10 63-90 Spacer 0.765 x 1.125 x 1.23  
532 10 21-34 Chain #35-50 Pitch  
532 15 07-37 Ground Shaft Assembly  
532 14 30-08 Bearing, Shaft, Ground Drive R.H.  
21  
22  
23  
24  
25  
27  
28  
29  
30  
31  
55  
56  
57  
58  
60  
- -  
532 00 34-00 Bearing, Needle  
532 16 15-29 Gear, DRT Idler  
532 16 58-89 Spacer, Split .52 x .64 x 1.04  
532 17 95-20 Screw 1/4-20 x .875  
532 18 32-26 Fitting Grease  
532 00 60-66 Grease, Plastilube #1  
NOTE: All component dimensions given in U.S. inches.  
1 inch = 25.4 mm  
24  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
TINE SHIELD  
ꢂꢈ  
ꢂꢅ  
ꢄꢆ  
ꢂꢈ  
ꢂꢁ  
ꢅꢁ  
ꢄꢁ  
ꢅꢁ  
ꢂꢄ  
ꢂꢂ  
ꢄꢅ  
ꢅꢁ  
ꢄꢈ  
ꢄꢅ  
ꢅꢅ  
ꢄꢇ  
ꢅꢄ  
ꢂꢀ  
ꢄꢅ  
ꢅꢁ  
ꢄꢃ  
ꢄꢈ  
ꢄꢉ  
ꢄꢀ  
ꢄꢆ  
ꢂꢆ  
ꢂꢇ  
ꢅꢂ  
ꢂꢀ  
ꢄꢂ  
ꢄꢄ  
TINE?SHIELD?ꢄꢅ?IN  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
1
873 90 05-00 Nut, Lock Hex Flange 5/16-18 unc  
532 16 29-52 Shield, Side, Outer L. H.  
532 00 83-93 Pin, Stake, Depth  
812 00 00-35 Ring, Klip  
21  
22  
23  
24  
25  
26  
27  
28  
29  
31  
32  
33  
38  
532 10 21-56 Stake, Depth  
2
874 93 06-32 Bolt, Hex 3/8-16 x 2  
532 00 44-40 Hinge  
3
4
872 14 04-04 Bolt, Carriage 1/4-20 x 1/2  
532 00 67-12 Cap, Vinyl  
5
532 18 08-47 Bolt Rdhd Sqnk 5/16-18 x 3/4  
532 00 83-94 Spring  
6
532 10 92-27 Pad, Idler  
7
532 00 83-92 Bracket, Latch  
532 10 92-30 Spring, Depth Stake  
532 40 38-89 Shield, Tine  
532 12 50-16 Shield, Leveling  
532 12 05-88 Pin, Hinge  
8
9
532 40 39-60 Shield, Side  
11  
12  
13  
14  
15  
16  
18  
19  
20  
873 22 05-00 Washer, Lock 5/16  
810 04 05-00 Nut, Hex 5/16-18  
872 11 05-10 Bolt, Carriage 5/16-18 x 1-1/4  
532 12 43-43 Bracket, Shield Tine  
532 16 29-53 Shield, Side, Outer R.H.  
873 90 04-00 Nut, Hex Flange 1/4-20  
872 04 04-10 Bolt, Carriage 1/4-20 x 1-1/4 Gr. 5  
532 10 27-01 Grip  
532 40 39-87 Stake, Drag  
873 22 04-00 Nut, Fin, Hex 1/4-20 unc  
810 04 04-00 Washer Lock Hvy Helical 1/4  
873 51 05-00 Nut Keps 5/16-18 unc  
NOTE: All component dimensions given in U.S. inches.  
1 inch = 25.4 mm  
873 22 06-00 Nut, Hex 3/8-16  
25  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
TINE ASSEMBLY  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
8
874 61 06-16 Bolt, Hex 3/8-24 x 1  
532 16 34-99 Tine, Spade  
2
4
5
6
7
532 13 26-73 Pin, Shear  
16  
17  
532 00 31-46 Clip, Hairpin  
532 16 35-00 Tine, Cleaning  
532 18 88-45 Hub Assembly  
873 61 06-00 Nut, Hex 3/8-24  
810 04 06-00 Washer, Lock 3/8  
NOTE: All component dimensions given in U.S. inches.  
1 inch = 25.4 mm  
26  
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REPAIR PARTS  
TILLER - - MODEL NUMBER DRT70 (96091001302)  
DECALS  
3
2
1
12  
8
10  
6
5
4
11  
7
9
13  
KEY PART  
NO. NO.  
DESCRIPTION  
1
532 41 87-18 Decal, Belt Guard  
532 41 87-16 Decal, Console  
532 40 12-57 Decal, Console  
532 41 84-72 Decal, Tine Shield  
532 12 04-31 Decal, Hand Placement  
532 16 62-02 Decal, Shift Indicator  
532 40 36-56 Decal, Reverse  
532 40 91-44 Decal, Engine B&S  
2
3
4
5
6
7
8
9
532 17 75-68 Decal, Warning, Rotating Tines  
532 40 91-43 Decal, Engine Intek REF  
532 41 18-16 Decal, Rewind Intek #274350  
532 40 36-57 Decal, Forward  
10  
11  
12  
13  
- -  
532 16 88-69 Decal, Tick Mark  
532 41 86-17 Manual, Owner’s  
27  
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532 41 86-17 12.07.07 TH  
Printed in U.S.A.  
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