Sears CRAFTSMAN 944.621574 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.

944.621574

OWNER’S

MANUAL

• Assembly
• Operation
• Maintenance
• Service and Ad just ments
• Repair Parts

7.0 HP
19 INCH TINE WIDTH
REAR TINE TILLER WITH
DUAL ROTATING TINES

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

Summary of Contents for CRAFTSMAN 944.621574

Page 1: ...nstructions Before Operating This Equipment MODEL NO 944 621574 OWNER S MANUAL Assembly Operation Maintenance Service and Adjustments Repair Parts 7 0 HP 19 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: ...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 L H...

Page 6: ...st position Be sure lock 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 shippin...

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: ...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 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 P...

Page 10: ...position 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 Soil conditions are important for proper tilling Tines will notreadilypenetratedry hardsoilwhichmaycontribute to excessive bounce and difficult handling of your tiller Hard soil should be moistened before ...

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: ...aner 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 knob and cover Lift air cleaner assembly off stud TO SERVICE PRE CLEANER Remove foam pre cleaner from air filter Wash it in liquid detergent and water Squeeze it dry in a clean cloth If very d...

Page 14: ...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 Clean engi...

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: ...r 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 bolted tine a...

Page 18: ...tment 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 c...

Page 19: ... 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 ENG...

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 180634 Throttle Control 2 141406 Grip Handle 3 110673X Grommet Handle 4 127254X Bar Assembly Control 5 6712J Cap Vinyl 6 188403X011 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: ...rew Hex Wsh Slt 10 24 x 50 44 73800500 Nut Lock Hex 5 16 18 65 73970500 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 STD541431 Nut Keps 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 B...

Page 23: ... 16 Ga 4 74760512 Bolt Hex 5 16 18 x 3 4 5 102332X Bracket 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 121302 0216 E1 16 7192J Tie...

Page 24: ...earing 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 1...

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 161414X615 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 163926 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: ...ield 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 177877 Decal Tine Shield FWD 12 166138 Decal Oper Engine 13 177878 Decal Tine Shield 14 171078 Decal Engine 15 177854 Decal Engine 192715 Manual Owner s English 192716 Manual Owner s French 2 1 7 6 4 9 5 3 8 15 14 12 11 4 13 ...

Page 28: ... E1 20 22 12 21 306 1019 LABEL KIT 15 1 307 415 3 718 552 18 45 1026 13 337 635 914 383 1022 914A 11 1023 146 16 741 24 46 746 742 32 30 29 27 28 220 219 27 25 26 7 1022 40 1034 1029 5 868 619 40 35 238 51 33 34 36 155 993 192 830 32A 1058 OWNER S MANUAL 2 1329 REPLACEMENT ENGINE 1330 REPAIR MANUAL 914B ...

Page 29: ... 95 127 51 104 137 276 276 134 133 975 117 163 633A 186 692 122 51 365 125 98 97 633 109 971 875 163 968 967 445 467 971A 961 717 121 CARBURETOR OVERHAUL KIT 104 137 276 127 633 633A 163 134 137 276 633A 977 CARBURETOR GASKET SET 51 633 163 122 51 20 3 163 7 358 ENGINE GASKET SET 993 12 1022 122 51 883 118 276 868 ...

Page 30: ... 621574 ENGINE BRIGGS STRATTON MODEL NUMBER 121302 TYPE NO 0216 E1 334 851 333 222 209 267 265 663 562 505 227 616 209A 356 632 836A 836 190 958 832 972 601 187 601 300 883 613 187A 615 957 994 346 773 188 621 427 271 668 504 281 48 676 677 ...

Page 31: ...DEL NUMBER 944 621574 ENGINE BRIGGS STRATTON MODEL NUMBER 121302 TYPE NO 0216 E1 1022 7 1095 VALVE GASKET SET 51 868 993 332 23 363 455 1005 1070 304 1036 LABEL EMISSION 305A 55 456 58 459 689 597 608 592 65 59 60 1211 1210 305 ...

Page 32: ...w Rewind Starter 95 691636 Screw Throttle Valve 97 690024 Shaft Throttle KEY PART NO NO DESCRIPTION 104 691242 Ø Pin Float Hinge 108 692567 Plate Choke 109 693628 Shaft Choke 117 698344 Jet Main Standard 118 694176 Jet Main High Altitude 121 695157 Kit Carburetor Overhaul 122 693749 Ø Spacer Carburetor 125 698475 Carburetor 127 691739 Ø Plug Welch 130 691181 Valve Throttle 133 398187 Float Carbure...

Page 33: ...Air Cleaner 718 690959 Pin Locating 741 692565 Gear Timing 742 692564 Ring Retaining 746 692566 Gear Idler 773 694258 Retainer KEY PART NO NO DESCRIPTION 830 694544 Stud Rocker Arm 832 693583 Guard Muffler 836 699632 Screw Muffler Guard 836A 699203 Screw Muffler Guard 851 493880 Terminal Sparkplug 868 692044 Seal Valve 875 697030 Base Air Cleaner 883 691893 Gasket Exhaust 914 697551 Screw Rocker C...

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

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

Page 36: ...PRINTED IN THE U S A 192715 04 29 04 rad 02488 ...

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