Sears Craftsman 944.603900 Manual
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Sears Craftsman 944.603900 Manual

Sears Craftsman 944.603900 Manual

25.0 hp electric start 48" mower automatic garden tractor
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Revision 7 English and 6 French
Updated art and parts list for transaxle.

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Summary of Contents for Sears Craftsman 944.603900

  • Page 1 Revision 7 English and 6 French Updated art and parts list for transaxle.
  • Page 2 ELECTRIC START and In struc tions Be fore Op er at ing 48" MOWER This Equip ment AUTOMATIC GARDEN TRACTOR • Assembly • Operation • Maintenance • Service and Adjustments • Repair Parts Sears Canada, Inc., Toronto, Ontario M5B 2B8...

  • Page 3: Safety Rules

    SAFETY RULES SAFE OPERATION PRACTICES FOR RIDE-ON MOWERS IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROW ING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. I. GENERAL OPERATION •...

  • Page 4: Table Of Contents

    SAFETY RULES SAFE OPERATION PRACTICES FOR RIDE-ON MOWERS • Be sure the area is clear of other people before mowing. Stop WARNING: Do not coast down a hill in neu tral, machine if anyone enters the area. you may lose control of the trac tor. •...

  • Page 5: Product Specifications

    LIMITED TWO (2) YEAR WARRANTY ON CRAFTSMAN TRACTOR (RIDING EQUIPMENT) For two (2) years from date of purchase Sears Canada, Inc. will repair or replace at Sears option free of charge parts which are defective as a result of material or workmanship.
  • Page 6 UNASSEMBLED PARTS Gauge Wheels Steering Wheel (4) Adjusting Bars (4) Washers (4) Locknuts 3/8 x 3/4 x 14 Ga. Steering 3/8-16 Wheel Insert (4) Wheels Premium (4) Retainer Springs Steering Adapter (4) Clevis Pins (double loop) Steering Sleeve Steering Sleeve Extension Seat (4) Shoulder Bolt...

  • Page 7: Assembly

    ASSEMBLY Your new tractor has been assembled at the factory with exception of those parts left unassembled for shipping purposes. To ensure safe and proper operation of your tractor all parts and hardware you assemble must be tightened securely. Use the correct tools as necessary to insure proper tightness.
  • Page 8 ASSEMBLY Use terminal access doors for: NOTE: You may now roll or drive your tractor off the skid. Follow the ap pro pri ate instruction below to remove the • Inspection for secure connections (to tighten tractor from the skid hardware).
  • Page 9 ASSEMBLY ASSEMBLE GAUGE WHEELS TO MOWER TO ATTACH NOSE ROLLER (See Fig. 5) DECK (See Fig. 4) • Assemble brackets "A" and "B" to the inside of mower mounting brack ets as shown. Tighten securely. The gauge wheels are designed to keep the mower deck NOTE: Be sure bracket tabs are po si tioned in tab holes in proper position when operating mower.
  • Page 10 ASSEMBLY INSTALL MOWER AND DRIVE BELT • Position front plate assembly between front mower brackets. Raise deck and plate assembly to align holes (See Figs. 6 and 7) and insert fl anged pins. Secure pins with double loop Be sure tractor is on level surface and mower suspension retainer springs between the plate assembly and mower arms are raised with attachment lift control.
  • Page 11 ASSEMBLY ✓ CHECKLIST CHECK TIRE PRESSURE The tires on your tractor were overinfl ated at the factory BEFORE YOU OPERATE AND ENJOY YOUR NEW TRAC- for shipping purposes. Correct tire pressure is important TOR, WE WISH TO ASSURE THAT YOU RECEIVE THE for best cutting performance.

  • Page 12: Operation

    OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their mean- ing. FAST IGNITION REVERSE HIGH SLOW NEUTRAL CHOKE ENGINE START LIGHTS ON ENGINE ON PARKING BRAKE ENGINE OFF PARKING BRAKE PARKING BRAKE LOCKED UNLOCKED...
  • Page 13 OPERATION KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR. Compare the illustrations with your tractor to familiarize yourself with the location of various controls and adjustments. Save this man ual for future reference. LIGHT SWITCH HOURMETER AMMETER LIFT LEVER...
  • Page 14 OPERATION The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye dam age. Always wear safety glass es or eye shields while operating your trac- tor or per form ing any adjustments or repairs. We rec om mend a wide vi sion safety mask over spectacles or stan dard safe ty glasses.
  • Page 15 OPERATION TO ADJUST GAUGE WHEELS (See Fig. 9) TO OPERATE ON HILLS Gauge wheels are properly adjusted when they are slightly off the ground when mower is at the desired cutting height WARNING: Do not drive up or down in operating position. Gauge wheels then keep the deck hills with slopes greater than 15°...
  • Page 16 OPERATION NOTE: Before starting, read the warm and cold starting BEFORE STARTING THE ENGINE procedures below. • Insert key into ignition and turn key clockwise to CHECK ENGINE OIL LEVEL “START” position and release key as soon as engine The engine in your tractor has been shipped, from the starts.
  • Page 17 OPERATION PURGE TRANSMISSION MOWING TIPS • Tire chains cannot be used when the mower housing CAUTION: Never engage or disengage is attached to tractor. freewheel lever while the engine is run- • Mower should be properly leveled for best mowing per- ning.

  • Page 18: Maintenance Schedule

    MAINTENANCE MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE SERVICE DATES Check Brake Operation Check Tire Pressure Check Operator Presence and Interlock Systems Check for Loose Fasteners Sharpen/Replace Mower Blades Lubrication Chart Check Battery Level Clean Battery and Terminals Check Transaxle Cooling Check V-Belts Check Engine Oil Level...

  • Page 19: Maintenance

    MAINTENANCE TRACTOR MANDREL ASSEMBLY Always observe safety rules when performing any main- te nance. CENTER BLADE HOLE BRAKE OPERATION If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted. BLADE BOLT (See “TO ADJUST BRAKE”...
  • Page 20 MAINTENANCE TO CLEAN BATTERY AND TERMINALS TO CHANGE ENGINE OIL (See Figs. 15 and 16) Corrosion and dirt on the battery and terminals can cause Determine temperature range expected before oil change. the battery to “leak” power. All oil must meet API service classifi cation SF-SJ. •...
  • Page 21 MAINTENANCE ENGINE OIL FILTER CLEAN AIR INTAKE/COOLING AREAS Replace the engine oil fi lter every season or every other To insure proper cooling, make sure the grass screen, oil change if the tractor is used more than 100 hours in cooling fi...

  • Page 22: Service And Adjustments

    SERVICE AND ADJUSTMENTS WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SER VICE OR AD JUST - MENTS: • Depress brake pedal fully and set parking brake. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key to “STOP” and remove key. •...
  • Page 23 SERVICE AND ADJUSTMENTS • Connect anti-sway bar to chassis bracket under left • To lower one side of mower, loosen lift link ad just ment foot rest and retain with double loop retainer spring. nut on that side. • If equipped, turn height adjustment knob clock wise to NOTE: Each full turn of adjustment nut will change mower remove slack from mower sus pen sion.
  • Page 24 SERVICE AND ADJUSTMENTS • When distance “B” is 1/8" to 1/2" lower at front than rear, • Roll belt into upper groove of R.H. mandrel pulley care- tighten nut “D” against trunnion on both front links. ful ly. • Recheck side-to-side adjustment. •...
  • Page 25 SERVICE AND ADJUSTMENTS REINSTALL MOWER DRIVE BELT TO CHECK AND ADJUST BRAKE (Refer to “TO REMOVE MOWER DRIVE BELT” illustration If tractor requires more than fi ve (5) feet to stop at highest speed in high est gear on a level, dry concrete or paved in this section of man u al).
  • Page 26 SERVICE AND ADJUSTMENTS TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT (See Fig. 30) WASH ERS The motion control lever has been pre set at the factory and RE TAIN ING RING adjustment should not be necessary. • Park tractor on level surface. Stop tractor by turning AXLE ignition key to “OFF”...
  • Page 27 SERVICE AND ADJUSTMENTS ENGINE TO REPLACE HEADLIGHT BULB • Raise hood. Maintenance, repair, or replacement of the emission con- trol devices and systems, which are being done at the • Pull bulb holder out of the hole in the backside of the cus tom ers expense, may be performed by any non-road grill.
  • Page 28 SERVICE AND ADJUSTMENTS TO ADJUST CARBURETOR (See Fig. 35) TO ADJUST CHOKE CONTROL (See Figs. 34 and 35) The carburetor has been present at the factory and ad- just ment should not be necessary. However, minor ad- The choke control has been preset at the factory and ad- just ment may be required to compensate for dif fer enc es justment should not be necessary.

  • Page 29: Storage

    STORAGE Immediately prepare your tractor for storage at the end ENGINE of the season or if the tractor will not be used for 30 days or more. FUEL SYSTEM IMPORTANT: IT IS IMPORTANT TO PREVENT GUM DEPOSITS WARNING: Never store the trac tor with FROM FORMING IN ES SEN TIAL FUEL SYSTEM PARTS SUCH gas o line in the tank inside a building AS CARBURETOR, FUEL FIL TER, FUEL HOSE, OR TANK...

  • Page 30: Trou Ble Shoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Will not start Out of fuel. Fill fuel tank. Engine not “CHOKED” properly. See “TO START ENGINE” in Operation section. Engine fl ooded. 3. Wait several minutes before attempting to start. Bad spark plug. Replace spark plug. Dirty air fi...
  • Page 31 TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues to run Faulty operator-safety presence control system. Check wiring, switches and connections. If not when operator leaves seat corrected, contact an authorized service center/ with attachment clutch department. engaged Poor cut - uneven 1.
  • Page 32 TRACTOR - - MODEL NUMBER 944.603900 SCHEMATIC BLACK BATTERY SOLENOID FUSE STARTER AMMETER (OPTIONAL) WHITE BLACK WHITE WHITE BLACK ELECTRIC CLUTCH CLUTCH / BRAKE (PEDAL UP) IGNITION BLACK SWITCH BLACK PTO (DISENGAGED) BLACK BLACK OPERATOR GREEN GREEN PRESENCE RELAY #1 BLACK SEAT SWITCH BLACK...

  • Page 33: Repair Parts - Tractor

    REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 ELECTRICAL D .C...
  • Page 34 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 ELECTRICAL PART DESCRIPTION 144927 Battery 74760412 Bolt Hex Head 1/4-20 x 3/4 7603J Tray, Bat tery 145211 Bolt Btr Frt 1/4-20 x 7.5 zinc 150109 Holdown Battery Front Mount 145769 Nut Push Nylon 1/4" 176138 Switch Interlock Push-In 175688...
  • Page 35 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 CHASSIS AND ENCLOSURES chassis-stealth_43-vgt...
  • Page 36 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 CHASSIS AND ENCLOSURES PART PART DESCRIPTION DESCRIPTION 180375 Rail, Frame RH 176016 Bracket Asm., Susp Chassis Lh 175282 Drawbar, Gt 183569 Bracket Asm., Fender 163976X428 Dash 17490508 Screw, Thd 5/16-18 x 1/2 157882 Dash Asm., Lower 74760716...
  • Page 37 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 GROUND DRIVE 135 137 drive_6-vgt...
  • Page 38 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 GROUND DRIVE PART PART DESCRIPTION DESCRIPTION 141004 Bracket Shift - - - - - - - Transaxle Hydro Gear 142918 O-Ring Asm Hydro Gear 331-3000 (See Breakdown) 7070E Key Sq. 1/4 x 2.5 154739 Line Fuel Hydro 15”...
  • Page 39 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 STEERING ASSEMBLY steering_8-vgt...
  • Page 40 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 STEERING ASSEMBLY PART DESCRIPTION 159944X428 Wheel, Steering 178557 Axle Asm., Front 6855M Fitting, Grease 161849 Spindle Asm, LH 161848 Spindle Asm., RH 6266H Bearing, Race Thrust Harden 121748X Washer 25/32 x 1-5/8 x 16 Ga. 12000029 Ring, Klip #T5304-75 184946X505 Cap, Spindle...
  • Page 41 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 ENGINE SPARK ARRESTER KIT engine-kohler22_14-vgt...
  • Page 42 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 ENGINE PART DESCRIPTION - - - - - - - Engine (See Breakdown) Kohler CV730-0017 149723 Muffl er 121361X Pulley V-Idler 177748 Keeper Asm Belt Engine Vgt 175287 Bushing 179335 Clutch Electric 143996 Pulley Engine Grnd Drive 179115...
  • Page 43 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 SEAT ASSEMBLY seat_6-vgt PART PART DESCRIPTION DESCRIPTION 180598 Seat 123976X Nut, Lock 1/4 Lg. Flg. Gr. 5 180166 Bracket, Pivot Seat 19171912 Washer 17/32 x 1-3/16 x 12 Ga. 145006 Clip, Push-In Hinged 166369 Knob, Seat STD541437 Nut, Crownlock 3/8-16...
  • Page 44 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 DECALS 4 12 18 6 PART PART DESCRIPTION DESCRIPTION 164097 Decal, Dash 140837 Decal, Saddle Brake Parking 185982 Decal, Engine 181471 Decal, Deck Level 186242 Decal, Hood, RH 186725 Decal, Hood Side Panel 186243 Decal, Hood, LH 177914...
  • Page 45 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 LIFT ASSEMBLY 35 73 lift_rh_8...
  • Page 46 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 LIFT ASSEMBLY PART DESCRIPTION 121006X Rod Asm., Lever 180045 Shaft Asm., Lift Vgt 159189 Lever Asm., Lift Rh 12000022 E-Ring Truarc #5133-87 19292016 Washer 29/32 x 1-1/4 x 16 Ga. 71110624 Bolt, Fin Hex 3/8-16 x 1-1/2 175830 Grip, Handle Fluted 175831X505 Button, Plunger...
  • Page 47 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 MOWER DECK mower_deck.48prem_2...
  • Page 48 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 MOWER DECK PART PART DESCRIPTION DESCRIPTION 137729 Screw, Thdroll. 1/4-20 x 5/8 180358 Deck Weldment Mower 48 180808 V-Belt, Mower, Secondary 178915 Bracket Asm., Sway Bar 174368 V-Belt, Mower, Primary 4939M Retainer Spring 73680600 Nut, Crownlock 3/8-16 Unc 178024...
  • Page 49 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 HYDRO GEAR TRANSAXLE - - MODEL NUMBER 331-3000...
  • Page 50 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 HYDRO GEAR TRANSAXLE - - MODEL NUMBER 331-3000 Part Part Description Description 161122 Kit, housing main 161150 Gear, differential bevel (310-3000) Main housing 161151 Gear, differential bevel pinion (310-3000) Lip seal 161152 Shaft, differential (310-3000) Flange bearing 161153...

  • Page 51: Repair Parts - Engine

    REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017...
  • Page 52 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017 HEAD/VALVE/BREATHER CRANKCASE KEY PART KEY PART DESCRIPTION DESCRIPTION 24-033-03-S Kit, breather cover w/gasket 24-032-01-S Seal, front oil (Includes 2, 3) Crankcase 24-041-23-S Gasket, breather (USE: Miniblock 24 782 14) 24-096-87-S Cover, breather...
  • Page 53 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017...
  • Page 54 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017 IGNITION/ELECTRICAL BLOWER HOUSING & BAFFLES KEY PART KEY PART DESCRIPTION DESCRIPTION 54-755-15-S Kit, grass screen 24-027-114-S Housing, blower (Includes 2) (Includes 2-4) 24-100-01-S Nut, plastic (2) M-403025-S Screw, hex.
  • Page 55 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017...
  • Page 56 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017 OIL PAN/LUBRICATION STARTING SYSTEM KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 24-199-07-S Pan assembly, oil M-839080-S Screw, hex. fl ange M8x1.25x80 (Includes 2-11) 24-393-37-S Oil pump assembly (Includes 3,4)
  • Page 57 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017...
  • Page 58 REPAIR PARTS TRACTOR - - MODEL NUMBER 944.603900 KOHLER ENGINE - MODEL NUMBER CV730, TYPE NUMBER 0017 FUEL SYSTEM CRANKSHAFT KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 24-853-90-S Kit, carburetor w/gaskets 24-014-72-S Crankshaft (Includes 2) (Includes 2-4) 52-139-09-S Plug, cup 24-041-52-S...
  • Page 59 SERVICE NOTES...
  • Page 60 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL 15 DEGREES MAX. WARNING: To avoid serious injury, operate your tractor up and down the face of slopes, never across the face. Do not mow slopes greater than 15 degrees.
  • Page 61 PRINTED IN U.S.A. 186793 Rev. 7 8.5.04 RH/TR/MH/TR/MH/TR/MH...

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