Page 1
ih M t
iliLu O
OWNER'S MANUAL
MODEL NO. HDF550D
5 HP 24 Inch
Tiller
Assembly
® Operation
® Customer Responsibnities
® Service and Adjusiments
® Storage
® Troubleshooting
® Repair Parts
For Parts and Service, contact our authorized distributor: call 1-800-849-1297
For Technical Assistance: call 1-800-829-5886
i;,, '.'i.
Poutan
156332 11:3.96 TR
PRINTED IN U.S.A.
Page 2
A
SAFETY RULES
Safe Operation Practices for Waiic-Behirid Powered Rotary Tiilers
A
TRAINING
* Read the Owner’s Manual carefully. Be thoroughly
familiar with the controls and the proper use of the
equipment. Know how to stop the unit and disengage
the controls quickly.
® Never allow children to operate the equipment. Never
allow adults to operate the equipment without proper
instruction.
» Keep the area of operation Clear of all persons, particu
larly smallchiidren, and pets.
PREPARATION
« Thoroughly inspect the area where the equipment is to
be used and remove all foreign objects.
* Disengage all clutches and shift Into neutral before
starting the engine (motor).
* Do not operate the equipment without wearing ad
equate outer garments. Wear footwear that will im
prove footing on slippery surfaces.
» Handle fuel with care; it is highly flammable.
* ' Use an approved fuel container.
» Never add fuel to a running engine or hot engine.
» Fill fuel tank outdoors with extreme care. Never fill fuel
tank indoors.
» Replace gasoline cap securely and clean up spilled
fuel before restarting.
» Use extension cords and receptacles as specified by
the manufacturer for alt units with electric drive motors
or electric starting motors.
» Never attempt to make any adjustments while the
engine (motor) is running (except where specifically
recommended by manufacturer).
OPERATION
Do not put hands or feet nearer under rotating parts.
Exercise extreme caution when operating on or cross
ing gravei drives, walks, or roads. Stay alert for hidden
hazards or traffic. Do not carry passengers.
After striking a foreign object, stop the engine (motor),
. remove the wire from the spark plug, thoroughly in
spect the tiller for any damage, and repair the damage
before restarting and operating the tiller.
Exercise caution to avoid slipping or falling.
If the unit should start to vibrate abnormally, stop the
engine (motor) and check immediately for the cause.
Vibration is generally a warning of trouble.
-Stop the engine (motor) when leaving the operating
position.
Take all possible,precautions when ieaving the ma
chine unattended. ■ DiSehgage the tines, shift into
neutral, and stop the engine.
Before cleaning, repairing, or inspecting, shut off the
engine and make certain all moving parts have stopped.
Disconnect the spark plug wire,; and keep the wire
away from the plug to prevent accidental starting.
Disconnect the cord on electrid motors; ^
Do not run the engine indbbrs; exhaust fumes are
dangerous.
Never operate the tiller without proper guards, plates,
or other safety protective devices in place.
Keep children and pets away.
Do not overload the machine capacity by attempting to
till too dëep at too fast a rate.
Never operate the machine at high speeds on slippery
surfaces. Look behind and use care when backing.
Never allow bystanders near the unit,
Use only attachments and accessories approved by
the manufacturer of the tiller (such as wheel weights,
counterweights, cabs, and the like). ^
Never operate the tiller without good vlsibility^or light.
Be careful when tilling in hard ground. Thé tines may
catchinthegroundandpropeithetlllerforVvard. ifthis
occurs, let go Of the handlebars and do not restrain the
machine.
■MAINTENANCE AND STORAGE
® Keep machine, attachments, and accessories in safe
working condition.
« Check shear pins, engine mounting bolts, and other
bolts at frequent intervals for proper tightness to be
sure the equipment is in safe working conditioh.
® Never store the machine with fuel in the fuel tank inside
a building where ignition sources are present, such as
hot water and space heaters, clothes dryers, and the
like. Afidw the engine to cool before storing in any
enclosure.
® Always , refer to the operator’s guidé instructions for
important details if the tiller is to be stored for an
extended period.
- IMPORTANT-
CAUTIONS, IMPORTANTS, AND NOTES ARE A MEANS
OF ATTRACTING ATtENTlON TO fMPORTANT OR
CRITICAL INFORMATION IN THIS MANUAL.
IMPORTANT: USED TO ALERT YOU THAT THERE IS A
POSSIBILITY OF DAMAGING THIS EQUIPMENT.
NOTE; Gives essential information that will aid you to
better understand, incorporate, or execute a particular set
of instructions.
Look for this symbol to point out im
portant safety precautions, it means
A
CAUTION!!! BECOME ALERT!!! YOUR
SAFETY IS INVOLVED.
CAUTION: Always disconnect spark
plug wire and place wire where It can
not contact spark plug in order to pre
vent accidental starting when setting
up, transporting, ad|ysiing or making
repairs.
A WP^\HG A
The engine exhaust from this product con
tains chemicals known to the State of Califor
nia to cause cancer, birth defects, or other
reproductive harm.
Page 3
CONGRATULATIOi^S 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
PRODUCT SPECIFiCATIOMS
HORSEPOWER; 5.0 HP
DISPLACEMENT:
9.03 cu. in. (148cc)
the proper tools to service or repair this unit.
Please read and retain this manual. The instructions will
enable you to assemble and maintain your tiller properly.
GASOLINE CAPACITY:
3 Quarts (2.8L)
Unleaded Regular
Always observe the “SAFETY RULES”.
MODEL
OIL (APl-SF/SG):
(CAPACITY: 20 oz.70.6L)
SÁE 30 (Above 32°F/0°C) :
SAE 5W-30 (Below 32“F/0°C)
NUMBER HDF550O
SERIAL
NUMBER
SPARK PLUG:
(GAP: .030"/0.76mm) RJ19LM
Champion
DATE OF PURCHASE
THE MODEL AND SERIAL NUMBERS WILL BE
FOUND ON THE MODEL PLATE ATTACHED TO
THE RIGHT HAND ENGINE BRACKET.
YOU SHOULD RECORD BOTH SERIAL NUMBER
AND DATE OF PURCHASE AND KEEP IN A SAFE
PLACE FOR FUTURE REFERENCE.
-IMPORTANT: THIS UNIT IS EQUIPPED WITH AN INTERNAL COMBUSTION ENGINE AND SHOULD NOT BE USED ON OR
NEAR ANY UNIMPROVED FOREST-COVERED, BRUSH-COVERED OR GRASS COVERED 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.
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.
CUSTOMER RESPONSIBiLfTIES
9 Read and observe the safety rules.
» Followa regularschedule In maintaining, caring forand
using your tiller.
• Follow instructions under “CuStonner Responsibilities”
and “Storage” sections of this Owner’s Manual.
LIMITED WARRANTY
The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in
materials and workmanship. For a period of two (2) years from date of purchase by the original consumer purchaser, we will
repair or replace, at our option, without charge for parts or labor incurred in replacing parts, any part which we find to be
defective due to materials or workmanship. This Warranty is subject to the following limitations and exclusions.
1. This warranty does not apply to the engine or components parts thereof. Please refer to the applicable manufacturer’s
warranty on these items.
Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the
2,
purchaser. Transportation charges for any parts submitted for replacement under this warranty must be paid by the
purchaser unless such return is requested by American Yard Products.
The Warranty period for any products used for rental or commercial purposes is limited to 90 days from the date of
3.
original purchase.
This Warranty applies only to products which have been properly assembled, adjusted, operated, and maintained in
4.
accordance with the instructions furnished. This Warranty does not apply to any product which has been subjected to
alteration, tnisusev abuse, Improper assembly or installation, delivery damage, orto normal wear of the product.
Exclusions: Excluded from this Warranty are belts, tines, tine adapters, normal wear, normal adjustments, standard
5.
hardware and normal maintenance.
in the event you have a claim under this Warranty, you must return the product to an authorized service dealer.
6.
Should you have any unanswered questions concerning this Warranty, please contact:
American Yard Products jb Canada contact:
Service Department American Yard Products
PO Box 1687 1580 Trinity Drive, Units 5-8
Orangeburg, SC 29116 USA Mississauga, Ontario
giving the model number, serial number and date of purchase of your product and the name and address of the authorized
dealer from whom it was purchased.
THIS WARRANTY DOES NOT APPLY TO INCIDENTAL OR CONSEQUENTIAL DAMAGES AND ANY IMPLIED WARRAN
TIES ARE LIMITED TO THE SAME TIME PERIODS STATED HEREIN FOR OUR EXPRESSED WARRANTIES. Some areas
do riot allow the limitation of consequential damages or limitations of how long an implied Warranty may last, so the above
limitations or exclusions may not apply to you. This Warranty gives you specific legal rights, and you may have other rights
which vary from locale to locale.
This is a limited Warranty within the meaning of that term as defined in the Magnuson-Moss Act of 1975.
L5T1L6
Page 4
TABLE OF CONTENTS
SAFETY RULES
CUSTOMER RESPONSIBILITIES
PRODUCT SPECIFICATIONS......
WARRANTY...
ASSEMBLY ...............................
OPERATION.....................
.........................
....................
.............
.
.
.
.
■INDEX
A \
Adjustments:
Carburetor............................... 16
Depth Stake .............................. 8
Handle Height
Tines.
...............................
V-Beit
.........................................
Wheels
Air Cleaner...................................
Belt, V-: : :
Belt Guard .............................
Repair Parts....
V-Beit Replacement..,
Cooling System.............................. 12
Controls:
Choke ....................................
Throttle .......................................
Tines
.......................................... 7
Cultivating 10
Customer Responsibilities:
Air Cleaner...
Cooling System
Finish
..........-.............................
Maintenance Schedule........... 11
Muffler....................................
Oil Change...
Spark Plug
Transmission.......................... ..13
Depth Stake:
Adjustment......
Repair Parts............
Engine: ;
Air Cleaner
Cooling System
FuelType...............
Lubrication ..............................
Qi! Level
---------------------
.......................................
8
........................
. 0
.............
.........................
............................
..............................
D
........................... 8
E
.............................
............ 12
.....................
....................................
..13-14
12
..............
..............
13
................
12
13
.16
20
.15
7
12
12
13
21
12
15
8
7
12
13
..9
9
............2
3, 11-13
.
..........
.3
......... 3
.
.......
5-6
....
..7-10
Engine (confd)
Oil Type .......................
Spark Plug
Starting ..................................... 9
Stopping ................................... 8
Storage
Winter Operation .................
Fuel:
Filling Tank ..............................
Storage.
Type....
Finish:
Maintenance
Handle;
Height Adjustment
Rëpair Parts........................
Lubrication:
Lubrication Chart
Engine .................................... 12
Muffler:
Maintenance........................... 13
Spark Arrester
Oil:
Level
Type
Operation:
Cultivating..................................10
: Fill Fuel Tank....
Starting Engine
.Stopping Tines & Engine 8
Tilling ...................................... 8
Tiiiing Hints
Tine Operation ...........................
Transporting Tiller
Winter Operation .................... 12
.............................
....................................
.......
.....................................
- ■ L ■'
..........................................
.....................................
................................
MAINTENANCE SCHEDULE
SERVICE & ADJUSTMENTS
STORAGE ..............................
TROUBLESHOOTING........!..
REPAIR PARTS-TILLER.......
.....
F
........................
............................. 13
H
...
.............. 13
.......................
M
...
........................
O
..........................
.........................
.....................
.... 9,12
13
17
12
9
17
9
......
19
11
3
9
9,12
9
9
10
8
9
. R
Repair Parts
Tiller......
Rules for Safe Operation
Service & Adjustments:
Carburetor
Handle Height.........................
Tines..
V-Beit........................................
Wheels...............
Service:
Repair Parts.........................
Service Record ....................... 11
Spark Plug:
Gap........................................ 3
Maintenance .............................13
Storage;
Fuel System...
Tiller..,.
Tilling.,.
Tines:
Arrangement.....................
Operation ..................................
Repair Parts.......................
Transitiission:
Maintenance ..........
Repair Parts........................... 23
Troubleshooting .........................
Transporting ...................................
........... 19-24
............... 2
' B
................................
..............................
.......................
........... 17
......... 17
■ T' ■
......
................... 8, 10
................
13-14
19-24
13-14
.......
18
W
Warranty.................
Wheels:
Adjustments
Repair Parts
..........................
............................
............................
.....11
13-16
.....
17
.....is
19-24
16
13
15
8
8
22
13
9
3
8
21
Page 5
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
A socket wrench set will make assembly easier. Standard
wrench sizes are listed.
(1) Utility knife
(1) Pair of pliers
(1) Screwdriver
(2) 1/2" wrenches
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 handies).
(2) Hex Bolts 5/16-18 x3/4
(1) Cotter Pin
CONTENTS OF HARDWARE PACK
□■■■I
tj
(2) Hex Bolts 5/16-18x1
(1) Clevis Pin
(6) Hex Nuts 5/16-18
(2) Hex Bolts 5/16-18 X 1-1/4
(6) Lock Washers 5/16
Page 6
ASSEMBLY
UNPACK CARTON & INSTALL HANDLE (See
Fig. 2)
CAUTIOH: Be careful of exposed
staples when handling or disposing of
A
lyPORTANT: WHEN UNPACKING AND ASSEMBLING
TILLER, BE CAREFUL NOT TO STRETCH OR KINK
CABLE{S).
» Cut cable ties securing handles.
Slowly lift handle assembly up and align handle holes
with handle panel hole and slot
® Loosely assemble hardware as shown. Be sure the
shorter (3/4" long) hex bolt is assembled in lower hole
of handle. Repeat for opposite side. Tighten all
hardware securely.
• Cut cable ties securing tiller to skid and remove tiller
■ from skid.
cartoning material.
INSTALL DEPTH STAKE ASS.Ey BLY
(See Fig. 3) : . ; , •
® Insert stake support between engine bracket halves
with stake spring down,
NOTE: it may be necessary to loosen nut “A”.
» Bolt stake support to engine brackets with bolts, lock
washers and nuts. Tighten securely. Also tighten nut
“A” if it was necessary to ibosen/
® Depth stake must move freely. If it does not, loosen
support bolt,
INSTALL REVERSE BOD (See Fig. 2)
® Secure upper reverse rod to lower reverse rod using
clevis pin. Secure with cotter pin.
Handle height may be adjusted to better suit operator.
(See “HANPLE HEiGHT”;in fhe Service and Adjust
ments section of this manua!).
TILLINGWIDTH
® Tilling width may be adjusted to better handle your
tilling conditions (See “TINE ARRANGEMENT” in the
Service and Adjustments section of this manual).
TINE OPERATION
« Check tine operation before first use. (See “TINE
OPERATION CHECK” in the Service and Adjustments
section of this manual).
Page 7
OPERATION
KNOW YOUR TILLER
READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TILLER.
Compare the iliustraiions with your tiller to familiarize yourself with the location of various controls and adjustments. Save
this manual for future reference.
These syrnbols may appear on your Tiller or in literature supplied with the product Learn and understand their
meaning.
RUN
STOP
CAUTION ENGINE
OR WARNING ON
ENGINE
OFF
‘«»••IXIi'fe'
FAST
SLOW
CHOKE
FUEL
OIL
STOP
O
MEETS ANSI SAFETY REQUIREMENTS
Our tillers conform to the safety standards of the Arfierican National Standards Institute.
FORWARD TINE CONTROL - Engages tines in forward
direction.
REVERSE TINE CONTROL - Engages tines in reverse
direction,
THROTTLE CONTROL - Controls engine speed.
CHOKE CONTROL - Used when starting a cold engine.
DEPTH STAKE - Controls forward speed and the depth at
which the tiller will dig.
RECOIL STARTER HANDLE - Used to start the engine.
Page 8
OPERATION
HOW TO USE YdUR TILLER
Know how ÍO operate all controls before adding fuel and oil
or attempting to start engine.
STOPPING (See Rg. 5)
TINES
“ Reléase forward tine control to stop forward move
ment. '
® Release reverse tine control to stop reverse move
ment.
ENGINE
• Move throttle control to “STOP” position.
* Never use choke to stop engine.
TILLING
The speed and depth of tilling is reguiated by the position
of the depth stake and wheel height:
The depth stake should always be below the wheels for
digging. It serves as a. brake to slow the tiller's forward
motion to enable the’tines to penetrate the ground. Also,
the more the depth stake is lowered Into the ground the
deeper the tines will dig.
DEPTH STAKE (See Fig. 6)
Adjust depth stake by removing the hairpin clip and devis
pin. Change depth stake to desired position. Replace the
clevis pin and hairpin dip.
* For normal tillihg, set depth stake at the second or third
hole from the top.
WHEELS (See Fig. 6)
Adjust wheels by removing the hairpin clip and clevis pin.
Change wheel position. Replace the hairpin dip and devis
pin.
* For norma! tilling, set wheels at the second or third hole
from the top.
TINE,OPERATION (See Rg.,5)
FORWARD
« Squeeze forward tine control to handle. ,
REVERSE
® With forward tine control “OFF" (up) position, pull back
and hold reverse tine control.
8
Page 9
OPERATION
TO TRANSPORT
CAUTJOM: Before lifting or transport
ing, allow tiller engine and muffler to
Á
AROUND THE YARD
® Tip depth stake forward until it Is held by the stake
spring.
» Push tiller handles down, raising tines off the ground.
® Push dr pull tiller to desired location.
AROUND TOWN
» Disconnect spark plug wire.
» Drain fuel tank.
• Transport in upright position to prevent oil leakage.
cool. Disconnect sparkplug wire. Drain
gasoline from fuel tank.
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.
FILL ENGINE WITH OIL (See Fig. 7)
« With engine level, remove :engine oil filler plug.
» Fill engine with oil to point of overflowing. For approxi
mate capacity see “PRODUCT SPECIFICATIONS" on
page 3 of this manual.
« Tilt tiller back on its wheels and then re-level.
* Check oil level. Refill to point of overflowing if neces
sary. Replace oi! filler plug.
» For cold weather operation you should change oil for
easier starting (See “OIL VISCOSITY CHART” in the
Customer Responsibilities section of this manual).
» To change engine oil, see the Customer Responsibili
ties section of this manual.
ADD GASOLINE
» Fill fuel tank. Use fresh, clean, regular unleaded
gasoline. (Use of leaded gasoline will increase carbon
and lead oxide deposits and reduce valve life.)
IMPORTANT: WHEN OPERATING IN TEMPERATURES
BELOW 32“F (0*^0), USE FRESH, CLEAN, WINTER GRADE
GASOLINE TO HELP INSURE GOOD COLD WEATHER
STARTING.
WARNING: Experience indicates that alcohol blended
fuels (called gasohoi or using ethanol or methanol) can
attract 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. See Storage section
of this manual for additional Information. Never use engine
orcarburetordeanerproducisinihefueitankorpermanent
damage may occur.
CAUTION: Fill to within 1/2 inch of top
of fuel tank to prevent spills and to
A
allow for fuel expansion. If gasoline is
accidentally spilled, move machine
away from area of spill. Avoidcreating
any source of ignition until gasoline
vapors have disappeared.
Do not overfill. Wipe off any spilled oil
or fuel. Do not store, spill or use gaso
line near an open flame.
TO START ENGINE (See Fig. 8)
CAUTION: Keep tine control in “OFF”
A
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.
® Place throttle control in “FAST” position.
« With engine fully choked, grasp recoil starter handle
with one hand and grasp tiller handle with other hand.
Pull rope out slowly until engine reaches start of com
pression cycle (rope will pull slightly harder at this
' point).
* Pull recoil starter handle quickly. Do not let starter
handle snap back against starter. Repeat if necessary
In half choked position.
® 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.
NOTE: if at a high altitude (3000 feet) or in cold tempera
tures (below 32°F), the carburetor fuel mixture may need to
be .adjusted for best engine performance. See “TO AD
JUST CARBURETOR” in the Service and Adjustments
section of this manual.
NOTE: If engine does not start, see troubleshooting points.
position when starting engine.
Page 10
OPERATION
You- will find tilling much easier if you leave a row
untilled between passes. Then go back over the entire
areaathghiangles(SeeFig; 9).Thereareiworeasons
^ for doing this. First, wide turns are much easier to
negotiate than, about-faces. Sècond, the tiller won’t be
pulling itself, and you, toward the row next to it.
Set depth stake and wheel height for shallow tilling
when working extremely hard soli or sod; Then work
across the first cuts at normai depth. .
Break-In your belt{s), pulleys and tine control before you
actually begin tilling.
» Start engine, tip tines off ground by pressing handles
down and engage tine control to start tine rotation.
Allow tines to rotate for five minutes.
» Check tine operation and adjust if necessary. See
‘TINE OPERATION CHECK” in the Service and Ad
justments section of this manual.
TILLING HINTS
CAUTION: UntiS you are accustomed to
handling your tiller, start actual field
A
To help tiller move forward, lift up the handles slightly (thus
lifting depth stake out of ground). To slow down, the tiller,
press down on handles.
If you are straining or tiller is shaking* the wheels and depth
stake are not set properly in the soil being tilled. The proper
setting of the wheels and depth stake is through trial and
error and depends upon the soil condition. (The harder or
wetter the ground, the slower the engine and tine speed
needed. Underthesepoorcondiiions, at fast speed the tiller
will run and jump over the ground).
A properly adjusted iliier will dig with little effort from the
operator.
Tilling is digging into, turning over, and breaking up
packed soil before planting. Loose, unpacked soil
helps root growth. Best tilling depth Is 4 "-6". Atillerwill
also clear the soil of unwanted vegetation. The decom
position of this vegetable matter enriches the soil.
Depending on the climate (rainfaii and wind), it may be
advisable to till the soil at the end of the growing season
to further condition the soil.
■» Soilconditionsareimportantforpropertilling.Tineswili
not readily penetrate dry, hard soil which may contrib
ute to excessive bounce and difficult handling of your
íiííer. Hard sol! should be moistened before tilling;
however, extremely wet soil wili“ba!l“up” or clump
during tilling. Wait until the soif Is less wet in order to
achieve the best results. Wheotiliing in the fall, remove
vines and long grass to prevent them from wrapping
around the tine shaft and slowing your tilling operation.
use with throttle in slow position.
^...............
f h¿ ^
'r
/T'
‘L
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3
Jl f
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t
1
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FIG, 9
CULTIVATING
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
» You will probably not need to use the depth stake.
Begin by tipping the depth stake forward until it is held
by the stake spring.
® Cultivate up and down the rows at a speed which will
allow tines to uproot weeds and leave the ground in
rough condition, prorhoting no further growth of weeds
and grass (See Fig. 10).
10
Page 11
CUSTOMER RESPONSIBILITIES
MAINTENANCE
SCHEDULE
FILL IN DATES
AS YOU COMPLETE
REGULAR SERVICE
m/m-
SERVICE DATES
Check Engine OH Level
Change Engine Oil
Oil Pivot Points
Inspect Spark Arrester / Muffler
Inspect Air Screen
Clean or Replace Air Cleaner Cartridge
Clean Engine Cylinder Fins
Replace Spark Plug
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.
✓
✓
✓
✓
<2
✓
✓ 2
•/
GENERAL RECOMMENDATIONS
The warranty on this tiiier does not oover items that have
been subjected to operator abuse or negligence. To
receive ful! value from the warranty, operator must main
tain tiiier as instructed in this manual.
Some adjustments wiii need to be made periodically to
properly maintain your tiller.
All adjustments in the Service and Adjustments section of
this manual should be checked at least once each
season.
* Once a year you should replace the spark plug, dean
dr 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.
✓
✓
LUBRICATION CHART
BEFORE EACH USE
«« Check engine oil level.
® Check tine operation.
* Check for loose fasteners.'
LUBRICATION
Keep unit well lubricated {See “LUBRICATION CHART”).
* SAE 30 OR 10W-30 MOTOR OiL
** REFER TO CUSTOMER RESPONSiBILITlES “ENGINE” SECTION
11
Page 12
A
CUSTOMER RESPONSIBILITIES
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 bums.
ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SFor SG. Selectthe oil’s SAE viscosity grade
according to your expected temperature.
TEIViPERATURE RANGE ANTICIPATED BEFORE NEXT Pit CHANGE
FiQ. 11
NOTE; Although multhviscosiiyoils (5W-30,10W-30, etc.)
improve starting in cold weather, these multi-viscosity oils
will result in increased oil consumption when used above
32°F (G°G)., Check your engine oil level more frequently to
avoid possible engine damage from running low on oil.
Change the oil after the first two hours of operation and
every 25 hours thereafter or at least once a year if the tiller
is not used for 25 hours in one year.
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.
AIR CLEANER (See Fig. 13)
Service aircleanercartridge every twenty-five hours, more
often if engine is used.in very dusty conditions.
Loosen air cleaner screws, one on each side of cover,
* Remove air cleaner cover.
® Carefully remove air cleaner cariridge- Be careful. Do
not allow dirt or debris to fali into carburetor.
® Clean by tapping gently on a fiat surface.
® if very dirty or damaged, replace cartridge.
« Clean and replace cover. Tighten screws securely.
CAUTION: Petroleum solvents, such
as kerosene, are not to be used to clean
A
cartridge. They may cause deteriora^
tion of the cartridge. Do not oil car
tridge. Do not use pressurized air to
clean or dry cartridge.
TO CHANGE ENGINE OIL (See Figs. 11 and 12)
Determine^temperature range expected before oil change.
Ail oil must meet API service classification SF or SG.
» , Be sure tiller is on level surface,.
® Oil wiii drain more freeiy when warm.
» Catch oil in a suitable container. .
* Remove drain plug.
» Tip tiller forward to drain oil.
« After oil has drained completely, replace oil drain plug
and tighten securely.
® Remove oil filler plug. Be careful not to allow dirt to
enter the engine.
® Refil! engine with oil. See “CHECK ENGINE OIL
LEVEL” in the Operation section of ihis manual.
Your engine is air cooled. For proper engine performance
and long life keep your engine dean.
® Clean air screen frequently using a stiff-bristled brush.
® Remove blower housing and ciean as necessary.,
« Keep cylinder fins free of dirt and chaff.
Page 13
CUSTOMER RESPONSIBILITIES
MUFFLER..
Do not operate tiller without muffler. Do not tamper with
exhaust system. Damaged mufflers or spark arresters
could create afire hazard. Inspectperiodically and replace
if necessary, if your englne;is equipped with a spark
arrester screen assembly, remove every 50 hours for
cleaning and inspectior|. Replace if damaged.
SPARKPLUG
Replace spark plugs at the beginning of each tilling season
oraftereverySOhoursof use, whichevercomes first. Spark
plug type and gap setting are shown in “PRODUCT SPECI
FICATIONS” on page 3 of this manual.
SERVICE AND ADJUSTMENTS
GAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come into
A
contact with plug.
TRANSMISSION ^
Your transmission is sealed and will not require lubrication
unless serviced.
CLEANING
® Clean engine, wheels,.finish, etc. of all foreign matter.
® Keep finished surfaces and wheels free of all gasoline,
oil, etc.
® Protect painted surfaces with automotive type wax.
We do not recommend using a garden hose to clean your
unit unless the muffler, air filter and carburetor are covered
to keep water out. Water in engine can result in a shortened
engine life. ■
TILLER
TO ADJUST HANDLE..HEIGHT (See Fig. 15)
Factory assembly has provided lowest handle height. Se
lect handle height best suited for your tilling conditions.
Handle height will be different when tiller digs into soil.
« If a higher handle height is desired, loosen the four nuts
securing handle panel to engine brackets.
® Slide handle panel to desired location.
® Tighten the four nuts securely.
TINE ARRANGEMENT
Your outer tines can be assembled in several different ways
to suit your titling or cultivating needs.
CAUTION: Tines are sharp. Wear
gloves or other protection when han
dling tines.
NORMAL TiLUNG - 24" PATH (See Fig. 16)
® Assemble holes “A” in tine hubs to holes “B” in tine
shaft.
13
Page 14
SERVICE AND ADJUSTMENTS
MID-WIDTH TILLING - 22" PATH (See Fsg. 17)
® Assemble holes “A” in tine hubs to holes “C” in tine
NARROW TILUNG/CULTSVATiNG -12-3/4" PATH (See
Fig. 18)
® Remove outer tines.
FINAL CHECK‘‘ON” POSITION .
» With tine control “ON” (Held down to handle) push down
on handle to raise tines off the ground.
* Slowiy pull recoil starter handle while observing tines.
Tines should rotate forward.
" If tines do not rotate, inner wire of control cable is too
loose. Loosen cable clip and pul! cable up to remove
slack and retighten dip.
• Recheck in “ON” position and adjust If necessary.
NOTE: If “ON” position check required adjustment, re-
check “OFF” position adjustment to insure tines do not
rotate when control is “OFF” (up).
FIG. 18
NOTE: When reassembling ouiertines, be sure right tine
assembly (marked “R”) and left tine assembly (marked ‘1”)
are mounted to correct side of tine shaft.
TINE OPERATION CHECK (See Fig. 19)
WARNING: Disconnect spark plug wire
from spark plug to prevent starting
A
For proper tine operation, forward tine control lever must be
against control body and all slack removed from inner wire
of control cable when control is in the “OFF” (up) position.
If lever and cable are loose, loosen cable clip at lower end
of cable. Pul! up on cable to remove slack, without
extending spring on end of cable, and retighten cable dip.
FINAL CHECK “OFF” POSITION
» With tine control “OFF” (up), push down on handle to
raise tines off the ground.
<» Slowly pull recoil starter handle while observing tines.
Tines-should not rotate,
» If tines rotate, inner wire of control cable is too tight
which is extending lower spring and engaging tines.
Loosen cable clip and push down on cable only enough
to relieve spring tension. Tighten cable clip.
» Recheck in “OFF” position and adjust if necessary.
while checking tine operation.
14
Page 15
SERVICE AND ADJUSTMENTS
TO REPLACE V-BELTS (See Figs, 20 and 21)
Replace V~belts If they have stretched considerably or if
they show cracks or frayed edges. There are two (2) V-
belts “ forward (inside) and reverse (outside).
Belt guard must be removed to service belts. See “TO
REMOVE BELT GUARD” 'in this section of manual.
MOTE: Observe carefully routing of both belts and location
of all belt guides before removing belts.
BELT REMOVAL
® Remove reverse idler pulley from idler arm.
“ Remove reverse (outside) V-beli.
® Remove forward (inside) V-belt from transmission pul
ley first and then from engine pulley.
BELT REPLACEMENT.
« Install newforward (inside) V-beItto engine pulley first
then to transmission pulley. Be sure belt is positioned
on- inside groove of both pulleys, inside all belt guides
and rests on idler pulley.
* Before installing reverse (outside) V-belt, turn belt
“inside out”. Twist so wide, flat surface of belt Is to
inside.
« Wrap V-belt around reverse idler pulley and reas
semble idler id idler arm- Tighten securely. Be sure
belt is between reverse idler pulley and idler arm pin,
“ Install beltto outside groove of transmission pulley. Be
sure belt is inside ail belt guides and rests on outside
groove of engine pulley,
CHECK TINE QPERATSQM
« See ‘TIME OPERATION CH ECK” in This section of
manual.
REPLACE BELT GUARD
FORWARD MOTION (INSIDE) V-BELT
ENGINE PULLEY BELT GUIDE
REVERSE
IDLER PULLEY
REVERSE
IDLER ENGINE
PULLEY PULLEY
REVERSE
IDLER PULLEY
TRANSMISSION
PULLEY
BELT GUIDE
REVERSE (OUTSIDE) V-BELT
FRONT VIEW REFERENCE
FORWARD
IDLER PULLEY
FORWARD
IDLER PULLEY
IDLER
ARM PIN
ENGINE
PULLEY
FIG. 21
Page 16
SERVICE AND ADJUSTMENTS
IQ REMOVE BELT GUARD (See Fig. 22)
* Remove two (2) cap nuts and washers from side of belt
Loosen (do not remove) tine shield nut oh underside of
tine shield.
Pull belt guard out and away from unit.
Replace belt guard by reversing above procedure. Be
sure slot in bottom of'belt guard is under head of tine
shield bolt and all nuts are tightened securely.
» With throttle controtin 'SLOW” position, turn idle needle
valve In (dockwise) until engine begins to die, then turn
out (counterciockwise) until engine runs rough. Turn
valve to a point midway between those two positions.
IDLE RPM ADJUSTMENT
* To adjust Idle RPM, rotate throttle linkage counterclock
wise and hold against stop while adjusting idle speed
adjusting screw to obtain 1750 RPM. Release throttle
linkage. .
ACCELERATION TEST
Move throttle control lever from “SLOW” to “FAST”
position. If engine hesitates or dies, turn idle needle
valve out (counterclockwise) 1/8 turn. Repeat test and
continue to adjust, if necessary, until engine acceler
ates smoothly.
High speed stop is factory adjusted. Do not adjust or
damage may result.
IMPORTANT: NEVER TAMPER WITH THE ENGINE
GOVERNOR, 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, CONTACT YOUR
NEAREST AUTHORIZED SERVICE CENTER/
DEPARTMENT, WHICH HAS THE PROPER EQUIPMENT
AND EXPERIENCE TO MAKE ANY NECESSARY
ADJUSTMENTS.
ENGINE
TO ADJUST CARBURETOR (See Fig. 23)
The carburetor has a high speed fixed jet and has been
preset at the factory and adjustment should not be neces
sary. However, minor adjustments may be required to
compensate for differences In fuel, temperature, attitude or
load. If the carburetor does need adjustment, proceed as
follows.
In general, turning the idle needle valve in (clockwise)
decreases the supply of fuel to the engine giving a leaner
fuel/air mixture. Turning the needle valve out (counter
clockwise) increases the supply of fuel to the engine giving
a richer fuel/air mixture.
IMPORTANT: DAMAGE TO THE NEEDLES AND THE
SEATS IN CARBURETOR MAY RESULT IF SCREWS ARE
TURNED IN TOO TIGHT.
PRELIMINARY SETTING
» Air cleaner assembly must be assembled to the carbu
retor when making carburetor adjustments.
® With engine off, turn idle needle valve in (dockwise)
closing it finger tight and then turn valve out (counterclockwise) 1-1/2 turns.
FINAL SETTING
» Start engine and aliow to warm for five minutes. Make
final adjustments with engine running at idle and tine
control lever in “OFF” position.
16
Page 17
Immediately prepare your tiller for storage at the end of the
season or if the unit will not be used for 30 days or more.
CAUTION: Never store the tiiier with
gasoMne in the tank inside a building
where fumes may reach an open flame
Sk
or spark. Allow the engine to coo!
before storing in any enclosure.
TILLER
® Clean entire tiller (See “CLEANING” in the Customer
Responsibilities section of this manual).
® Inspect and replace belts, if necessary (See belt re*
placement insiructionsin the Service and Adjustments
section of this manual).
® Lubricate as shown in the Customer Responsibilities
section Of this manual.
« Be sure that all nuts, bolts and screws are securely
fastened.. Inspect.moving parts for damagOi breakage
and wear. Replace if necessary.
» Touch up all rusted or chipped paint surfaces; sand
lightly before painting. '
ENGINE
FUEL SYSTEM
IMPORTANT: IT IS IMPORTANT TO PREVENT GUM
DEPOSITS FROM: FORMING IN ESSENTIAL FUEL
SYSTEM PARTS SUCH AS THE CARBURETOR, FUEL
FILTER, FUEL HOSE, OR TANK' DURING STORAGE.
ALSO, EXPERIENCE INDICATES THAT ALCOHOL
BLENDED FUELS (CALLED GASOHOL OR USING
ETHANOL OR METHANOL) CAN ATTRACT MOISTURE
WHICH LEADS TO SEPARATION AND FORMATION OF
ACIDS DURING STORAGE. ACIDIC GAS CAN DAMAGE
THE FUEL SYSTEM OF ÁN ENGINE WHILE IN STORAGE.
® Drain the fue! tank. ;
® Start 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 damage may occur.
• Use fresh fuel next season.
NOTE: Fue! stabilizer is an acceptable alternative In
minimizing the formation of fuel gum deposits during stor
age. Add stabilizer to gasoline in fuel tank or storage
container. Always follow the mix ratio found on stabilizer
container. Run engine at least io minutes after adding
stabilizer to allow the stabilizer to reach the carburetor. Do
not drain the gas tank and carburetor If using fuel stabilizer.
ENGINE .OIL
Drain oil (with engine warm) and replace with clean oil.
(See “ENGINE" in the Customer Responsibilities section of
this manual).
CYLiNDERS
® Remove spark plug.
» Pour 1 ounce (29 ml) of oil through spark plug hole into
cylinder.
» Puli starter handle slowly several times to distribute oil.
® Replace with new spark plug.
OTHER
» Do not store gasoline from one season to another.
® Replace your gasoline can |f 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 vyhich allows condensation to form and
will cause your unit to rust.
IMPORTANT:“ ^ NEVER COVER TILLER WHILE ENGINE
AND EXHAUST AREAS ARE STILL WARM.
17
Page 18
TROUBLESHOOTING POINTS
PROBLEM CAUSE
Will not start 1. Out of fuel.
Hard to start 4. Throttle control not set properly.
Loss of power
2. Engine not "CHOKED” properly.
3. Engine flooded.
4. Dirty air cleaner.
5. Water in fuel.
6. Clogged fuel tank.
7. Loose spark plug wire.
8. Bad spark plug or improper gap.
9. Carburetor out of adjustment.
2. Dirty air cleaner, -
3. Bad spark plug or improper gap.
4. Stale or diiiy fuel.
/ 5. Loose spark plug wire,
6. Carburetor out of adjustment.
1. Engine is overloaded.
2. Dirty air cleaner.
3. Low oi 1 levei/dj rty oil,
4. Faulty spark plug.
5. Oil in fuel.
6. Stale or dirty fuel.
7. Water in fuel.
8. Clogged fuel tank.
9. Spark plug wire loose.
10. Dirty engine air screen.
11. Dirty/clogged muffler.
12. Carburetor out of adjusirnent.
13. Poor compression.
eoBBEeiioN
1. Fill fuel tank.
2. See ‘TÓ START ENGINE” in the Operation section.
3. Wait several minutes before attempting to start.
4. Clean or replace air cleaner cartridge.
5. Drain fuel tank and carburetor, and refill tank with
fresh gasoline.
6. Remove fuel tank and dean,
7. Make sure spark plug wire: is seated properly on plug.
• 8. Replace spark plug or adjust gap.
9. Make necessary adjustments.
1. Place throttle control in “FAST” position.
2. Clean or replace air cleaner cartridge.
3. Replace spark plug or adjust gap,
4. Drain fuel tank and refill with fresh gasoline.
5. Make sure spark plug wire is seated properly on plug.
6. Make necessary adjustments.
1. Set depth stake and wheels for shallower tilling.
2. Clean or repiace air cleaner cartridge.
3. Check oil level/change oil,
4. Clean and regap or change spark plug.
5. Drain and clean fuel tank and refill, and dean
carburetor.
6. Drain fuel tank and refill with fresh gasoiine.
7. Drain fuel tank and carburetor, and refill tank with
fresh gasoline.
8: Remove fuel tank and clean.
9. Connect and tighten spark plug wire.
10. Clean engine air screen.
11. Clean/repiace muffler.
12. Make necessary adjustments.
13. Contact an authorized service center/departrneht.
Engine overheats
Excessive bounce/
difficult handling
Soil balls up or clumps
Engine runs but tiller
won’t move
Engine runs but labors
when tilling
-
1, Low oil level/dirty oil,
2, Dirty engine air screen.
3, Dirty engine.
4, Partially plugged muffler.
5, Improper carburetor adjustment.
1. Ground too dry and hard.
2. Wheels and depth stake incorrectly adjusted.
1. Ground too wet-
1. Tine control is not engaged.
2. V-belt not correctly adjusted.
3. V-be!f is off puiiey(s).
1. Tilling too deep.
2. Throttle control hot properly adjusted.
3. Carburetor out of adjustment.
18
1. Check oiMevel/changq oil. -
2. Clean engine air screen.
3. Clean cylinder fins, air screen, muffler area.
4. Remove and dean muffler.
5. Adjust carburetor to richer position.
1, Moisten ground or wait for more favorable soil
conditions.
2. Adjust wheels and depth stake.
1. Wait for more favorable soil conditions.
1, Engage tine control.
2, Inspect/adjusi V-belt.
3, Inspect V-belt.
1. Set depth stake for'shallower tilling, ■
2. Check throttle control setting.
3. Make necessary adjúsimenís.
Page 19
REPAIR PARTS
HANDLE ASSEMBLY
TILLER - - MODEL NUMBER HDF550D
KEY
NO.
10
11
12
13
1416674A150428
PART
NO.
131268X428
1
2
72140512
9266R
3
4
153138
5 .
73680500
6
19111116
7
19121414
8
74760516
9
74760512
10040500
73220500
98000129 Nut, Flanged 5/16-18/
72140506
153139
DESCRIPTION
Bracket, Handie
Boii, Carriage 5/16-18 UNC x 1-1/2
Grip, Handie 19
Handie, :LH.
Locknut, Crown 5/16-18
Washer 11 /32 x 11 /16 x 16 Ga.
Washer 3/8 X 7/8 x 14 Ga. .
Bolt, Hex Hd. 5/16-18x1
Bolt, Hex Hd 5/16-18x3/4
Washer, Lock 5/16
Nut, Hex 5/16-18
Bolt,:Carriage'.:5/16-18 x 3/4 Gr. 5 29
Panel, Handle ■
Handle, R.H.
KEY
NO.
17
18
20
21
22
23
24
25
26
27 76020308 Pin, Cotter 3/32 X 1/2
28
NOTE; Allcomponenidimensionsaregiven in U.S. inches.
PART
NO.
106932X Knob, Controi, Reverse
3066J
151229
154805 Pin, Pivot
12000027
101248K
1778E Pin, Retaining
2613J
19131316
76020412 Pin, Cotter 1/8 X 3/4
19131312 Washer 13/32 x 13/16 x 12 Ga.
12000059 Retaining, Ring
1 inch = 25.4 mm .
DESCRIPTION
Cahie, Control, Tine
Lever, Controi, Tine
Ring, Klip
Rod, Reverse, Upper
Rod, Reverse, Lower
Washer 13/32 x 13/16 x 16 Ga.
19
Page 20
REPAIR PARTS
TILLER - - MODEL NUMBER HDF550D
BELT GUARD AND PULLEY ASSEMBLY
J 12
KEY
NO.
■ 1
10
11
12
13
14
15
16
17
18
2
3
4
5
6
7
8
9
PART
NO.
123643X
9484R
86777
74770812
73220600
19131316
2009J
1271SOX
74760628
106970X428
19091016
104213X
72140405
133035
2614J
12000028
2649M
151236
DESCRIPTION
Assembly, Bracket^ Belt Guard
Clip, Cable
Screw, Hex, VVasher Hd., Slotted,
Thd. Cutting #10-24 x 1/2 Type D
Bolt, Hex 1/2-20x3/4
Nut, Hex 3/8-16
Washer 13/32 x 13/16 x 16 Ga.
Pulley, Idler, Reverse
Assembly, Arm, Reverse Idler
Bolt, Hex 3/8-16 x1-3/4
Guard, Bbit
Washer 9/32 x 5/8 x 16 Ga.
Nut, Cap 1/4- 20
Bolt, Carriage 1/4-20x5/8
V-Belt (Forward Motion)
V~Belt (Reverse)
Ring, Retainer
Key, Square
Pulley, Flat, Trans,
32
18
KEY
NO.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NOTE: All component dimensions given in U.S. inches.
PART DESCRIPTION
NO.
110550X Bolt, Belt Guard
12000036
73350600
9178R
674A30
74760620
106968X
73350500 Nut, Hex, Jam 5/16-18
73220400
10040400
109227X Pad, Idler
23200404 Screw, Set, Socket, Headless
i01189L
151223 Pulley, V-Groove, Trans,
1 inch = 25.4 mm
Ring, Klip
Nut, Hex, Jam 3/8-16
Pulley, Idler
Arm, Idler
Bolt, Hex 3/8-16 X 1-1/4
Shaft, Idler Arm
Nut, Fin Hex 1/4-20
Washer LK Hvy Helical 1 /4
C.P, 1/4-20 X I /4
Sheave, Engine
20
Page 21
REPAIR PARTS
.. TILLER ».»^yQOEL .My;MBEB H№^
WHEEL AND DEPTH STAKE ASSEMBLY
KEY
NO.
10
11
121374760524
PART
NO.
1
9194R Pin, Cievis
2
74760520
74760512
3
4
73220500
10040500 Washer, Lock 5/16
5
73800600
6
4921H Clip, Hairpin V
7
1952J
8
122233X
9
326J
74780628
1951J
DESCRiPTiON
Bolt, Hex 5/16И8Х 1-1/4
Bolt, Hex 5/16-18x3/4
Nut, Hex 5/16-18
Locknut, w/washer 3/8-16
Support, Depth Stake, R.Hv'
Stake, Depth
Pin, Clevis
Bolt, Hex, Fin 3/8-16 x 1-3/4
Bolt, Hex 5/16-18 X 1-1/2 Gr; 2
Support, Depth Stake, L.H.
KEY
NO.
14
15
16
17
18
19
20
21
22
NOTE: All component dimensions given in U.S. inches.
PART
NO.
120958X Washer
5388J
121117X Boii, Shoulder
9188R
19131311 Washer 13/32 x 13/16 x 11 Ga.
9190R
73680600
74760516 Bolt, Hex 5/16-18x1
73800500
1 inch = 25.4 mm
DESCRIPTION
Spring, Stake
Wheel
Bracket, Wheel
Lockhut, Crown 3/8-16
Locknut, w/inseri 5/16-18;
21
Page 22
REPAIR PARTS
TINE ASSEMBLY
TILLER-* MODiL NUMBER HDF550D
a it
:
g tt ■
» tt t
g tt»'
g //.■ i
g j/ji
/
M / “
gatti t
/ :
g»g» t i
g n i t
gut
•
r it t .i
(
1/ '*/,( (
// .--t t
g
y#
it
> ftf
g tin
t lit/
t ii tr
t ti ft
t tttf
/
it .t
H ft tt
'■‘«h.. ...» tt t
'**!S / // /
W
n i iiitt \
»
lit /,■ f lUi
a in tu t
a
It i m i tt
t [ ! ' .H «U &.
KEY PART
NO. NO.
1 100746M
2 3146R
3 674A43
DESCRIPTION
Tine, Outer, R.H.
Clip, Hairpin
Tine, Inner, R.H.
KEY
NO. NO.
22
4
5
6
PART
674A42
100744M
4929H
DESCRIPTION
Tine, Inner, LH
Tine, Outen LH,
Pin, Clevis
Page 23
REPAIR PARTS
TRANSMISSION
TILLEB:».» yOPEL NUMBEB.HDFSSOD
KEY
NO.
1
2
3
5
6
7
8
9
10
11
12
PART
NO.
74760524
74780652
19131311
7380G600
9b57R428
1949J
110519X
10040500
73220500
74760544.
151222
DESCRiPTION KEY
NO.
Bolt, Hex 5/16-18 X 1-1/2 Gr. 2
Bolt, Hex, Fin 3/8-16x3-1/4
Washer 13/32x13/16x11
Locknut, Hex, w/washer 3/8-16
Shield, Tine
Bracket, Engine, R.H.
Bracket, Engine, L.H.
Washer, Lock 5/16
Nut, Hex 5/16-18
Bolt, Hex 5/16-18x2-3/4
Transmission
13
14
... 15
16
17
18
19
20
NOTE: All component dimensions given in U.S. inches.
23:
PART
NO.
19171616
9173R Spacer, Split
73510500
19091412
19092016 Washer 9/32 x 1-1/4 x 16 Ga,
10040400
74610412 Bolt, Hex 1/4-28 X 3/4 Gr. 5
1 inch = 25.4 mm
DESCRIPTION
Washer 17/32 x1 x 16 Ga.
Nut, Keps 5/16
Washer 9/32 x 7/8 x12 Ga.
Washer, Lock 1/4
Engine, Briggs and Stratton, Model
No. 137202
Page 24
REPAIR PARTS
DECALS
TILLER - - MODEL NUMBER HDF550D
KEY
NO.
1
2
3
4
5
6
7
8
9
10
RARt
NO.
157377
157380
157378
141914
141907
141909
271948
141906
157381
272630
156332
156333
DESCRIPTION
Deca!, Logo
Decal, Logo
Deca), HP, Reverse
Decal, Reverse, Tine Control
Decal, Hand Placement
Decal, Caution
Decal, Briggs & Stratton
Decal, Warning, Rotating Tines
Decal, Hvy Duty
Decal, 5 HP
Manual, Owner’s (English)
Manual, Owner’s (Spanish)
24
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