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•   Do not run the engine indoors; 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 deep 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.

• 

Never operate the tiller without good visibility or light.

•   Be careful when tilling in hard ground. The tines may 

catch in the ground and propel the tiller forward.  If this 
occurs, let go of the handlebars and do not restrain the 
machine.

MAINTENANCE AND STORAGE

• 

 Keep machine, attachments, and accessories in safe 
work ing condition.

• 

Check shear pins, engine mounting bolts, and other 
bolts at frequent intervals for proper tightness to be 
sure the equip ment is in safe working condition.

•   

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. Allow the engine to cool before storing in any 
enclosure.

• 

Always refer to the operator’s guide instructions for 
im por tant details if the tiller is to be stored for an ex-
tended period.

IMPORTANT -

CAUTIONS, IMPORTANTS, AND NOTES ARE A MEANS OF 
ATTRACTING ATTENTION TO IMPORTANT OR CRIT 

I CAL 

IN FOR MA TION IN THIS MANUAL. 

IMPORTANT:  USED TO ALERT YOU THAT THERE IS A 
POS SI BIL I TY OF DAM AG ING THIS EQUIP MENT.

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-
 por tant safety precautions.  It means
CAUTION!!!  BE COME ALERT!!!  YOUR 
SAFE TY IS INVOLVED.

CAUTION:  Always disconnect spark 
plug wire and place wire where it can-
 not contact spark plug in order to pre-
 vent ac ci den tal starting when setting 
up, trans port ing, adjusting or making 
re pairs.

TRAINING

• 

Read the Owner’s Manual care 

ful ly. Be thor 

ough ly 

fa mil iar with the controls and the proper use of the 
equip ment. Know how to stop the unit and disengage 
the controls quickly.

•  

Never allow children to operate the equipment. Never 
allow adults to op er ate the equipment without proper 
instruction.

•   Keep the area of operation clear of all persons, par-

 tic u lar ly small children, 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 (mo tor).

• 

Do not operate the equipment with out wearing ad e -
quate outer gar ments. 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 all units with electric drive motors 
or electric starting motors.

•   Never attempt to make any adjustments while the 

engine (motor) is running (except where specifically 
rec om mend ed by manufacturer).

OPERATION 

•   Do not put hands or feet near or under rotating parts.
•  

Exercise extreme caution when op er at ing on or cross-
 ing gravel drives, walks, or roads. Stay alert for hidden 
hazards or traffic. Do not carry pas sen gers.

•  

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 op er at ing the tiller.

• 

Exercise caution to avoid slipping or falling.

• 

If the unit should start to vibrate ab nor mal ly, stop the 
engine (motor) and check immediately for the cause. 
Vi bra tion is generally a warning of trouble.

• 

Stop the engine (motor) when leaving the operating 
position.

• 

Take all possible precautions when leav ing the ma chine 
unattended.  Disengage 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 electric motors.

SAFETY RULES

SAFE OPERATION PRACTICES FOR WALK-BEHIND POWERED RO TA RY TILLERS

Summary of Contents for 944.628653

Page 1: ...ules and Instructions Before Operating This Equipment MODEL NO 944 628653 OWNER S MANUAL Assembly Operation Maintenance Service and Adjustments Repair Parts 900 SERIES 24 INCH TINE WIDTH Sears Canada Inc Toronto Ontario M5B 2B8 434930 Rev 1 ...

Page 2: ... 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 par ticularly small children and pets PREPARATION Thoroughly inspect the area where the equipment is to be used and remove a...

Page 3: ...NIT 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 OR STATE LAWS IF ANY IF A SPARK ARRESTER IS USED IT SHOULD BE MAINTAINED IN EFFECTIVE WORKING ORDER BY THE OPERATOR SEE YOUR SEARS AUTHORIZED SERVICE CENTR...

Page 4: ...tion standing behind tiller handles 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 ASSEMBLY 2 Flange Locknuts 5 16 18 UNC 2 Lock Washer 5 16 2 Hex Nut 5...

Page 5: ...olumn onto handle mount Remove all packing from carton Secure handle column using two 2 carriage bolts and two 2 flange locknuts Tighten securely Cut away carton Route tine control cable s through plastic cable clip on handle mount NOTE Cables must not touch the muffler Cut cable ties securing tiller to skid Remove tiller from skid by pulling backwards Remove screws securing depth stake to skid an...

Page 6: ...or RECOIL STARTER HANDLE Used to start the engine THROTTLE CONTROL Used to control engine speed 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 ...

Page 7: ...6 TO TRANSPORT CAUTION Before lifting or trans porting allow tiller engine and muffler to cool Disconnect spark plug wire Drain gasoline from fuel tank 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 or pull tiller to desired location AROUND TOWN Disconnect spark plug wire Drain fuel tank Transport in upright p...

Page 8: ...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 Place throttle control in FAST position Move choke control to full CHOKE position Grasp recoil starter handle with one hand and grasp tiller handle with other hand Pull rope out sl...

Page 9: ...ainfall and wind it may be advisable to till the soil at the end of the grow ing season to further condition the soil 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 t...

Page 10: ...proper air fuel mixture and help your engine run better and last longer BEFORE EACH USE Check engine oil level Check tine operation Check for loose fasteners LUBRICATION Keep unit well lubricated See LUBRICATION CHART LUBRICATION CHART 4 3 5 ª ª 4 3 3ª9 5ª 0 4 2 5 2ª3 26 HECKª NGINEª ILª EVEL HANGEª NGINEª IL ILª0IVOTª0OINTS NSPECTª IRª3CREEN NSPECTª3PARKª RRESTERª ª UFFLER LEANªORª2EPLACEª IRª LE...

Page 11: ...fins as contact may cause burns TO CHANGE ENGINE OIL See Figs 11 and 12 Determine temperature range expected before oil change All oil must meet API service classification SF SJ Be sure tiller is on level surface Oil will drain more freely 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 tighte...

Page 12: ...K 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 are shown in PRODUCT SPECIFICATIONS on page 3 of this manual 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 d...

Page 13: ...L TILLING See Fig 16 Assemble holes A in tine hubs to holes B in tine shaft tine_4 OUTER TINE HAIRPIN CLIP A B A B Fig 16 INNER TINE CLEVIS PIN NOTE When reassembling outer tines be sure right tine assembly marked R and left tine assembly marked L are mounted to correct side of tine shaft TINE OPERATION CHECK See Fig 18 WARNING Disconnectsparkplugwire fromsparkplugtopreventstartingwhile checking t...

Page 14: ... guard must be removed to service belt See TO RE MOVE BELT GUARD in this section of manual BELT REMOVAL Remove V belt from transmission pulley first and then from engine pulley BELT REPLACEMENT Install new V belt to engine pulley first then to trans mission pulley Be sure belt is positioned on inside groove of both pulleys inside all belt guides and rests on idler pulley CHECK TINE OPERATION See T...

Page 15: ...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 manual 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 ENGI...

Page 16: ...ill and clean carburetor 6 Stale or dirty fuel 6 Empty fuel tank and refill with fresh gasoline 7 Water in fuel 7 Empty fuel tank and carburetor and refill tank with fresh gasoline 8 Clogged fuel tank 8 Remove fuel tank and clean 9 Spark plug wire loose 9 Connect and tighten spark plug wire 10 Dirty engine air screen 10 Clean engine air screen 11 Dirty clogged muffler 11 Clean replace muffler 12 C...

Page 17: ...07 Bolt RH SQNK 5 16 18 x 3 4 14 181476 Assembly Panel and Tube 19 188532 Lever Control Tine 20 188555 Pin Pivot 29 12000059 Retainer Ring 35 72010520 Bolt 5 16 18 x 2 1 2 36 73970500 Locknut Flange 5 16 18 unc 38 431332 Assembly Handle Column 39 181580 Clip NOTE All component dimensions given in U S inches 1 inch 25 4 mm KEY PART NO NO DESCRIPTION ...

Page 18: ...8 139155 Spacer Split 9 165768X613 Guard Belt 10 109227X Pad Idler 11 9484R Clip Cable 12 9180R V Belt 13 12000028 Ring Retainer 14 151223 Sheave Transmisison 16 12000036 Ring Klip 17 STD541237 Nut Hex Jam 3 8 16 18 161806 Pulley Idler 19 175377 Arm Idler 20 STD523712 Bolt Hex Head 3 8 16 x 1 1 4 21 106968X Shaft Idler Arm 25 73350500 Nut Hex Jam 5 16 18 KEY PART NO NO DESCRIPTION NOTE All compone...

Page 19: ...pth Stake R H 9 122233X Stake Depth 10 326J Pin Clevis 11 74780628 Bolt Hex 3 8 16 x 1 3 4 13 1951J Support Depth Stake L H 15 5388J Spring Stake 16 121117X Bolt Shoulder 17 193851X613 Wheel 19 9190R Bracket Wheel 20 STD541437 Locknut Crown 3 8 16 21 74760516 Bolt Hex Head 5 16 18 x 1 22 STD541431 Locknut w insert 5 16 18 24 73970500 Nut Lock 5 16 18 25 19171416 Washer 17 32 x 7 8 x16 Ga KEY PART ...

Page 20: ...5 4 mm REPAIR PARTS TILLER MODEL NUMBER 944 628653 TINE ASSEMBLY 1 156926 Tine Outer R H 2 3146R Retainer Spring Zinc 3 156924 Tine Inner R H 4 156923 Tine Inner L H 5 156925 Tine Outer L H 6 4929H Pin Clevis KEY PART NO NO DESCRIPTION 3 1 6 4 5 6 2 2 tine_ipb_3 ...

Page 21: ...ngine L H 11 187912 Bolt Shoulder 5 16 18 unc x 2 5 12 151222 Transmission 14 9173R Spacer Split 15 73970500 Nut Lock Hex Flange 5 16 18 unc 16 19091412 Washer 9 32 x 7 8 x 12 Ga 17 19092016 Washer 9 32 x 1 1 4 x 16 Ga 18 STD551125 Washer Lock 1 4 19 74610412 Bolt Hex 1 4 28 x 3 4 Gr 5 20 Engine See Breakdown 121002 1380 B8 KEY PART NO NO DESCRIPTION NOTE All component dimensions given in U S inch...

Page 22: ...425979 Decal Logo 3 435125 Decal Engine 4 425981 Decal Tine Shield 5 419833 Decal Cntrl Pnl Inst 6 110614X Decal Hand Placement 8 422972 Decal Tine Shield Warning 11 120076X Decal Warning Rotating Tines 12 425501 Decal Console 434930 Manual Owner s English 434931 Manual Owner s French 5 8 11 3 6 1 12 2 4 ...

Page 23: ...23 REPAIR PARTS TILLER MODEL NUMBER 944 628653 ENGINE BRIGGS MODEL NUMBER 121002 1380 B8 2 0 2 5 3 24 2 0 4 0 2 4 2 3 5 ...

Page 24: ...24 REPAIR PARTS TILLER MODEL NUMBER 944 628653 ENGINE BRIGGS MODEL NUMBER 121002 1380 B8 ...

Page 25: ...25 REPAIR PARTS TILLER MODEL NUMBER 944 628653 ENGINE BRIGGS MODEL NUMBER 121002 1380 B8 6 6 3 4 3 4 2 52 4 2 6 2 5 4 3 4 3 4 33 3 ...

Page 26: ...Welch 130 691181 Valve Throttle 133 398187 Float Carburetor 134 398188 Kit Needle Seat 137 693981 Gasket Float Bowl 146 690979 Key Timing 155 797442 Plate Cylinder Head 161 790631 Base Air Cleaner 163 696024 Gasket Air Cleaner 186 692317 Hose Connector 187 791766 Line Fuel Cut to Required Length 187A 791867 Line Fuel Formed 188 699479 Screw Control Bracket 190 699220 Screw Fuel Tank 192 797440 Adj...

Page 27: ...4 699480 Screw Rocker Cover Bottom 914A 797444 Screw Rocker Cover 951 790630 Lever Choke 957 795027 Cap Fuel Tank 958 698180 Valve Fuel Shut Off 968 791082 Cover Air Cleaner 972 697779 Tank Fuel 975 790559 Bowl Fuel 993 694088 Gasket Cylinder Head Plate 1005 692592 Fan Flywheel 1022 691890 Gasket Rocker Cover 1023 499924 Cover Rocker 1026 790287 Rod Push 1029 797443 Arm Rocker 1034 691343 Guide Pu...

Page 28: ...n SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY CUSTOMER RESPONSIBILITIES In additional to complying with all suggested maintenance guidelines and instructions customers obligations shall include but shall not be limited to operating the product in accordance with the owner s manual or any additional instructions or information provided at the time of purchase or i...

Page 29: ...29 SERVICE NOTES ...

Page 30: ...30 SERVICE NOTES ...

Page 31: ...31 SERVICE NOTES ...

Page 32: ...02488 03 09 10 JA Printed in the U S A ...

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