Craftsman 850 Series Owner'S Manual Download Page 1

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00011

Important:

Read and fol low

all Safety Rules

and In struc tions

Be fore Op er at ing

This Equip ment

MODEL NO.

944.627870

OWNER’S

MANUAL

• Assembly

• Operation

• Maintenance

• Service and Ad just ments

• Repair Parts

850 SERIES

17 INCH TINE WIDTH

REAR TINE TILLER WITH

DUAL ROTATING TINES

Sears Canada, Inc., Toronto, Ontario M5B 2B8

Summary of Contents for 850 Series

Page 1: ...tructions Before Operating This Equipment MODEL NO 944 627870 OWNER S MANUAL Assembly Operation Maintenance Service and Adjustments Repair Parts 850 SERIES 17 INCH TINE WIDTH REAR TINE TILLER WITH DUAL ROTATING TINES Sears Canada Inc Toronto Ontario M5B 2B8 ...

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: ...ING APPLICABLE LOCAL OR STATE 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 THE ABOVE 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 YOURSEARSAUTHORIZEDSERVICECENTER DEPARTMENT FOR SPARK ARRESTER REFER TO THE REP...

Page 4: ...ch FRONT OPERATOR S POSITION LEFT RIGHT FIG 1 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 1 Carriage Bolt 3 8 16 UNC x 1 Gr 5 1 Center Locknut 3 8 16...

Page 5: ...LD FIG 3 HANDLE ASSEMBLY GEARCASE NOTCH VIEWED FROM R H SIDE OF TILLER BLACK HANDLE LOCK FIG 5 HANDLE LOCK LEVER FLAT WASHER HANDLE LOCK LOCKNUT PIVOT BOLT GEARCASE SLOT REAR CARRIAGE BOLT HANDLE BASE Grasp handle assembly Hold in up position Be sure handle lock remains in gearcase notch Slide handle assembly into position Rotatehandleassemblydown Insertrearcarriagebolt first with head of bolt on ...

Page 6: ...stposition Besurelock lever is tightened securely Makesureshiftleverindicatorisin N neutral 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 SHIFT ROD HAIRPIN CLIP SHIFT LEVER INDICATOR FIG 7 CHECK TIRE PRESSURE The tires on your unit were overinflated at the factory for shipping p...

Page 7: ...Used to start the engine CHOKE CONTROL Used when starting a cold engine DRIVE CONTROL BAR Used to engage tines DEPTH STAKE Controls depth at which tiller will dig DRAG STAKE Controls forward speed in forward rotating till position OUTER SIDE SHIELD Adjustable to protect small plants from being buried LEVELING SHIELD Levels tilled soil DRIVE CONTROL BAR THROTTLE CONTROL SHIFT LEVER SHIFT LEVER INDI...

Page 8: ...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 IMPORTANT ALWAYS RELEASE DRIVE CONTROL BAR BEFORE MOVING SHIFT LEVER INTO ANOTHER POSITION SHALLOWEST TILLING CULTIVATING TINE OPERATION WITH WHEEL DRIVE See Fig 9 A...

Page 9: ...ing to protect small plants from being buried Loosen nut A in slot and nut B Move shield to desired position both sides Retighten nuts TO TRANSPORT 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...

Page 10: ...ecomposition 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 Soilconditionsareimportantforpropertilling Tineswill notreadilypenetratedry hardsoilwhichmaycontribute to excessive bounce and difficult handling of your tiller Hard soil should be moistened before til...

Page 11: ...orward rotating tine drive TINE SHEAR PINS The tine assemblies on your tiller are secured to the tine shaft with shear pins See TINE REPLACEMENT in the Service and Adjustments section of this manual If the tiller is unusually overloaded or jammed the shear pins are designed to break before internal damage occurs to the transmission If shear pin s break replace only with those shown in the Repair P...

Page 12: ...operation Check for loose fasteners LUBRICATION Keep unit well lubricated See LUBRICATION CHART MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE Check Engine Oil Level Change Engine Oil Oil Pivot Points Inspect Air Screen Inspect Spark Arrester Muffler Clean or Replace Air Cleaner Cartridge Clean Engine Cylinder Fins Replace Spark Plug B E F O R E E A C H U S E E V E R Y 2 5 H O ...

Page 13: ...ATED BEFORE NEXT OIL CHANGE SAE VISCOSITY GRADES 20 0 30 40 80 100 30 20 4 20 30 40 F C 10 10 60 10W 30 5W 30 SAE 30 oil_visc_chart5_e drt 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 32 F 0 C Check your engine oil level more frequently to avoid possible engine damage from ru...

Page 14: ...ase 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 Clean engine wheels fin...

Page 15: ... lessbeadsareseated overinflationcan cause an explosion 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 22 Place blocks under transmission to keep tiller from tipping Remove hairpin clip and clevis pin from wheel Remove wheel and tire Repair tire and reassemble CLEVIS...

Page 16: ...N GROOVE ON TOP OF IDLER PULLEY NOTE POSITION OF BELT TO GUIDES Check belt adjustment as described below Replace belt guard Reposition wheel and replace clevis pin and hairpin clip GROUND DRIVE BELT ADJUSTMENT See Fig 24 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 ...

Page 17: ... checked for sharpness wear and bending particularly the tines which are next to the transmission If the gap between the tines exceeds 3 1 2 inches 9 cm they should be replaced or straightened as necessary For tines that are slightly worn the bolted tine and hub assemblies can be switched between sides to continue tilling in the same tilling mode If tilling in different mode is desired then the bo...

Page 18: ...nt 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 TO ADJUST CARBURETOR The carburetor has a high speed jet and has been preset at the factory and adjustment should not be necessary However minoradjustmentsmayberequiredtocompensate for differences in fuel temperature altitude or load If the carb...

Page 19: ...nual 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...

Page 20: ...k 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 Carburetor out of adjustment 12 Make necessary adjustments 13 Poor compression 13 Contact an authorized service center department Engine overheats 1 Low oil level dirty oil 1 Check oil level change oi...

Page 21: ...lt Pivot 1 189482 Throttle Control 2 141406 Grip Handle 3 110673X Grommet Handle 4 127254X Bar Assembly Control 5 6712J Cap Vinyl 6 188403X431 Panel Control 7 110641X Bushing Split 8 17720408 Screw 1 4 20 x 1 2 9 72010520 Bolt 5 16 18 x 2 50 10 110646X Handle Grip 11 STD624003 Retainer Spring 12 81328 Bolt Shoulder 13 187497 Handle Shift 14 109313X Grommet Rubber 15 110702X Rod Shift 16 STD533710 ...

Page 22: ...Nut Hex Flange 66 19131312 Washer 13 32 x 13 16 x 12 Ga NOTE All component dimensions given in U S inches 1 inch 25 4 mm KEY PART NO NO DESCRIPTION 1 73970500 Nut Flange 5 16 18 2 STD551137 Washer Lock 3 8 3 STD541037 Nut Hex 3 8 16 4 170127 Shield Inner Belt Guard 5 164329 Pin Shift Lever 6 162756X615 Lever Shift 7 STD532505 Bolt Carriage 1 4 20 x 1 2 Gr 5 8 161530 Plate Shift Indicator 9 86777 S...

Page 23: ...acket Reinforcement 6 74760528 Bolt Fin Hex 5 16 18 Unc x 1 3 4 7 102173X Counter Weight R H 8 STD551137 Washer Lock 3 8 9 STD541037 Nut Hex 3 8 16 10 74760524 Bolt Hex 5 16 18 x 1 1 2 11 STD624003 Clip Hairpin 12 126875X Rivet Drilled 13 102190X Tire 183122X624 Rim 795R Tire Valve 15 Engine See breakdown Briggs Model 120202 0780 E1 OR 120202 0417 E1 NOTE All component dimensions given in U S inch...

Page 24: ...Bearing Shaft Ground Drive L H 28 106390X Spacer 0 765 x 1 125 x 1 23 29 102134X Chain 35 50 Pitch 30 150737 Ground Shaft Assembly KEY PART NO NO DESCRIPTION NOTE All component dimensions given in U S inches 1 inch 25 4 mm 31 143008 Bearing Shaft Ground Drive R H 32 106388X Spacer 0 70 x 1 00 x 1 150 33 102121X Sprocket and Gear Assembly 34 102112X Shaft Reduction 2nd 35 102101X Screw Whiz Lock 5 ...

Page 25: ...541031 Washer Lock 5 16 12 STD551131 Nut Hex 5 16 18 13 72110510 Bolt Carriage 5 16 18 x 1 1 4 14 124343X Bracket Shield Tine 15 161414X428 Shield Side Outer R H 16 73900400 Nut Hex Flange 17 162175 Nut Wing Forged 5 16 18 KEY PART NO NO DESCRIPTION 18 STD532512 Bolt Carriage 1 4 20 x 1 1 4 Gr 5 19 102701X Grip 20 STD541037 Nut Hex 3 8 16 21 102156X Stake Depth 22 74930632 Bolt Hex 3 8 16 x 2 23 4...

Page 26: ... PART NO NO DESCRIPTION 2 132673 Pin Shear 4 3146R Retainer Spring 5 188845 Assembly Hub and Plate 6 73610600 Nut Hex 3 8 24 7 STD551137 Washer Lock 3 8 NOTE All component dimensions given in U S inches 1 inch 25 4 mm 8 74610616 Bolt Hex 3 8 24 x 1 16 163499 Tine Spade 17 163500 Tine Cleaning ...

Page 27: ...eld RED 5 137282 Decal Caution 6 110614X Decal Hand Placement 7 166202 Decal Shift Indicator 8 166188 Decal Tine Shield CRT 9 176782 Decal DRT WARN 11 177878 Decal Tine Shield REV 12 413079 Decal Oper Engine 13 177877 Decal Tine Shield FWD 14 411816 Decal Engine 15 409139 Decal Engine 411772 Manual Owner s English 411773 Manual Owner s French 2 1 7 6 4 9 5 3 8 15 14 12 11 13 ...

Page 28: ...28 REPAIR PARTS TILLER MODEL NUMBER 944 627870 ENGINE BRIGGS STRATTON MODEL NUMBER 120202 TYPE NO 0780 E1 OR MODEL NUMBER 120202 TYPE NO 0417 E1 ª 0 2 4 2 3ª 5 ª2 0 2ª 5 ...

Page 29: ...29 REPAIR PARTS TILLER MODEL NUMBER 944 627870 ENGINE BRIGGS STRATTON MODEL NUMBER 120202 TYPE NO 0780 E1 OR MODEL NUMBER 120202 TYPE NO 0417 E1 ª 2 52 4 2ª 6 2 5 ª 4 ª 2 52 4 2ªª 3 4ª3 4 ª ª 3 4ª3 4 ...

Page 30: ...30 REPAIR PARTS TILLER MODEL NUMBER 944 627870 ENGINE BRIGGS STRATTON MODEL NUMBER 120202 TYPE NO 0780 E1 OR MODEL NUMBER 120202 TYPE NO 0417 E1 ª 33 3ª ª2 0 4ª ª6 6 ª 3 4ª3 4 ...

Page 31: ...sket Float Bowl 146 690979 Key Timing 155 698214 Plate Cylinder Head 161 790631 Base Air Cleaner 163 696024 Ø Gasket Air Cleaner 186 692317 Connector Hose KEY PART NO NO DESCRIPTION 187 791766 Line Fuel Cut to Required Length 187A 791867 Line Fuel 188 699479 Screw Control Bracket 190 699220 Screw Fuel Tank 192 694543 Adjuster Rocker Arm 209 691278 Spring Governor 209A 692571 Spring Governor 219 69...

Page 32: ...ke 957 694261 Cap Fuel Tank 958 698180 Valve Fuel Shut Off 967 493537 Filter Pre Cleaner 968 791082 Cover Air Cleaner 971 690370 Screw Air Cleaner Base 972 694260 Tank Fuel 975 493640 Bowl Float 977 697001 Gasket Set Carburetor 993 694088 Gasket Cylinder Head Plate 1005 692592 Fan Flywheel 1022 691890 Gasket Rocker Cover 1023 499924 Cover Rocker 1026 790287 Rod Push 1029 691230 Arm Rocker 1034 691...

Page 33: ...33 SERVICE NOTES ...

Page 34: ...34 SERVICE NOTES ...

Page 35: ...35 SERVICE NOTES ...

Page 36: ...PRINTED IN THE U S A 411772 02 02 07 CL 02488 ...

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