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Husqvarna YTH145 Owner's Manual

Husqvarna tractor owner's manual
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YTH145
Owner's Manual

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  Summary of Contents for Husqvarna YTH145

  • Page 1 YTH145 Owner’s Manual...
  • Page 2: Safety Rules

    Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. GENERAL OPERATION • Read, understand, and follow all instructions in the manual and on the machine before starting.
  • Page 3: Product Specifications

    Please read and retain this manual. The instructions will enable you to assemble and maintain your tractor properly. Always observe the “SAFETY RULES”. MODEL NUMBER YTH145 SERIAL NUMBER ____________________________________ DATE OF PURCHASE __________________________ THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON A PLATE UNDER THE SEAT.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS SAFETY RULES ... 2 PRODUCT SPECIFICATIONS ... 3 CUSTOMER RESPONSIBILITIES ... 3, 16-19 ASSEMBLY ... 6-9 OPERATION ... 10-15 MAINTENANCE SCHEDULE ... 16 SERVICE AND ADJUSTMENTS ... 20-24 STORAGE ... 25 TROUBLESHOOTING ... 26-27 REPAIR PARTS - TRACTOR ... 30-47 WARRANTY ...
  • Page 5 CONTENTS OF HARDWARE PACK (4) Shoulder Bolts (2) Screws #10 x 5/8 (4) Clevis Pins (4) Washers 3/8 x 3/4 x 14 Ga. (1) Large Flat Washer (1) Hex Bolt 5/16-18 x 1-1/4 (1) Shoulder Bolt 5/16-18 (1) Knob (1) Washer 17/32 x 1-3/16 x 12 Gauge (2) Nylon Locknuts 3/8-16...
  • Page 6: 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. TOOLS REQUIRED FOR ASSEMBLY A socket wrench set will make assembly easier.
  • Page 7: How To Set Up Your Tractor

    HOW TO SET UP YOUR TRACTOR CHECK BATTERY (See Fig. 2) • Lift hood to raised position. • If this battery is put into service after month and year indicated on label (label located between terminals) charge battery for minimum of one hour at 6-10 amps. (See «BATTERY»...
  • Page 8 ASSEMBLE GAUGE WHEELS TO MOWER DECK (See Fig. 6) The gauge wheels are designed to keep the mower deck in proper position when operating mower. Be sure they are properly adjusted to ensure optimum mower performance. • Slide gauge wheel bar down into bracket channel, Be sure that gauge wheel bar aligning holes are on top.
  • Page 9: Assembly

    CHECK TIRE PRESSURE The tires on your tractor were overinflated at the factory for shipping purposes. Correct tire pressure is important for best cutting performance. • Reduce tire pressure to PSI shown in “PRODUCT SPECIFICATIONS” on page 3 of this manual. CHECK DECK LEVELNESS For best cutting results, mower housing should be properly leveled.
  • Page 10: Operation

    OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. BATTERY CAUTION OR REVERSE FORWARD FAST SLOW WARNING ENGINE ON ENGINE OFF OIL PRESSURE CLUTCH LIGHTS ON OVER TEMP LIGHT FUEL CHOKE MOWER HEIGHT...
  • Page 11 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 locations of various controls and adjustments. Save this manual for future reference. AMMETER THROTTLE/CHOKE CONTROL CLUTCH/BRAKE PEDAL HEIGHT ADJUSTMENT...
  • Page 12: How To Use Your Tractor

    The operation of any tractor can result in foreign objects thrown into the eyes, which can WEAR YOUR SAFETY GLASSES result in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments or repairs. We recommend a wide vision safety FORESIGHT IS BETTER THAN NO SIGHT mask over spectacles or standard safety glasses.
  • Page 13: Before Starting The Engine

    • Remove retainer spring and clevis pin which secure each gauge wheel bar. • Lower gauge wheels to ground. Raise gauge wheels slightly to align holes in bracket and gauge wheel bar and insert clevis pin. Gauge wheels should be slightly off the ground.
  • Page 14 • 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 in this manual. ADD GASOLINE •...
  • Page 15 • Engage transmission by placing freewheel control in driving position (See “TO TRANSPORT” in this section of manual). • Sitting in the tractor seat, start engine. After the engine is running, move throttle control to half (1/2) speed. With motion control lever in neutral (N) position, slowly disengage clutch/brake pedal.
  • Page 16: Maintenance Schedule

    CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE 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 Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension...
  • Page 17 CUSTOMER RESPONSIBILITIES TRACTOR Always observe safety rules when performing any mainte- nance. BRAKE OPERATION If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted. (See “TO ADJUST BRAKE” in the Service and Adjust- ments section of this manual).
  • Page 18 CUSTOMER RESPONSIBILITIES V-BELTS Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not adjustable. Replace belts if they begin to slip from wear. TRANSAXLE COOLING The fan and cooling fins of transmission should be kept clean to assure proper cooling.
  • Page 19 CUSTOMER RESPONSIBILITIES COVER KNOB COVER FOAM PRE-CLEANER FIG. 18 CLEAN AIR SCREEN (See Fig. 19) Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stubborn dried gum fibers.
  • Page 20: Service And Adjustments

    SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place motion control lever in neutral (N) position. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key “OFF” and remove key. •...
  • Page 21: Replace Mower Blade Drive Belt

    SERVICE AND ADJUSTMENTS FRONT-TO-BACK ADJUSTMENT (See Figs. 24 and 25) IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO- SIDE. To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/8"...
  • Page 22 SERVICE AND ADJUSTMENTS • Make sure attachment clutch and ignition switches are in “OFF” position. • Adjust the three nylon locknuts until space between clutch plate and rotor measures .012" at all three slot locations cut in the side of brake plate. NOTE: After installing a new electric clutch, run tractor at full throttle and engage and disengage electric clutch 10 cycles to wear in clutch plate.
  • Page 23 SERVICE AND ADJUSTMENTS FRONT OF TRACTOR FIG. 31 ADJUSTMENT SLEEVES TIE ROD JAM NUTS FIG. 32 FRONT WHEEL CAMBER The front wheel camber is not adjustable on your tractor. If damage has occurred to affect the front wheel camber, contact your nearest authorized service center/depart- ment.
  • Page 24 SERVICE AND ADJUSTMENTS • Disconnect BLACK battery cable then RED battery cable and carefully remove battery from tractor. • Install new battery with terminals in same position as old battery. • Reinstall terminal guard. • First connect RED battery cable to positive (+) battery terminal with hex bolt and keps nut as shown.
  • Page 25: Storage

    Immediately prepare your tractor for storage at the end of the season or if the tractor will not be used for 30 days or more. CAUTION: Never store the tractor with gasoline in the tank inside a building where fumes may reach an open flame or spark.
  • Page 26: Troubleshooting

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. Engine not “CHOKED” properly. Engine flooded. Bad spark plug. Dirty air filter. Dirty fuel filter. Water in fuel. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment. Hard to start Dirty air filter.
  • Page 27 TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to run Faulty operator-safety presence control system. when operator leaves seat with attachment clutch engaged Poor cut - uneven Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel.
  • Page 28 SERVICE NOTES...
  • Page 29 TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 SCHEMATIC AMMETER (OPTIONAL) WHITE BLACK IGNITION SWITCH BLUE FUEL SHUT-OFF SOLENOID IGNITION SWITCH POSITION CIRCUIT “MAKE” G + M + L NONE RUN/LIGHT B + L A + Y...
  • Page 30: Repair Parts - Tractor

    REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 ELECTRICAL D .C...
  • Page 31: Repair Parts

    REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 ELECTRICAL NOTE: All component dimensions given in U.S. inches. PART DESCRIPTION 532144925 Battery 12 Volt 25 AMP 874760412 Bolt Hex Hd 1/4-20unc X 3/4 532124886 Tray Battery 7.80 x 5.25 Blk 532145211 Bolt Btr Frt 1/2-20 x 7.5 Zinc...
  • Page 32 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 CHASSIS AND ENCLOSURES...
  • Page 33 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 CHASSIS AND ENCLOSURES 109 532141461 110 532143679 113 532150300 115 817490620 129 819091016 134 532160219 140 532158418 142 532165867 143 532154966 144 532154207 145 532156524 159 532166508 NOTE: All component dimensions given in U.S.
  • Page 34 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 DRIVE...
  • Page 35 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 DRIVE KEY PART NO. NO. DESCRIPTION 532150071 Transaxle w/cas Hydro 319-0650 532142431 Spring, Return, Brake 532143995 Pulley, Transaxle Hydro 750 LT 532154792 Rod Shift STLT 532145028 Clutch Elecric...
  • Page 36: Steering Assembly

    REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 STEERING ASSEMBLY 78, 77 74, 75...
  • Page 37 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 STEERING ASSEMBLY PART DESCRIPTION 532124415 Wheel Steering 532137094 Axle Front Casting Machined 532157479 Spindle Asm Cast LH 532157478 Spindle Asm Cast RH 532124931 Bearing Race Thrust Harden...
  • Page 38 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 SEAT ASSEMBLY KEY PART NO. NO. DESCRIPTION 532140839 Seat 532140551 Bracket Pivot Seat 8 720 874760616 Bolt Fin Hex 3/8-16unc X 1 819131610 Washer 13/32 X 1 X 10 Ga...
  • Page 39 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 DECALS PART DESCRIPTION 532157032 Decal Oper. Step Thru E/F 532145005 Decal Battery 532166339 Decal Hood RH 532166340 Decal Hood LH 532166101 Decal HP Engine 532137259 Decal Warning Multi-Languages...
  • Page 40 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 ENGINE OPTIONAL EQUIPMENT Spark Arrester...
  • Page 41 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 ENGINE NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 532140310 Control Th/ch 23.5 LH. Flag 817720410 Screw Hex Thd Cut 1/4-20x5/8 T - - - - - - - - Engine B&S Model No.
  • Page 42 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 MOWER DECK 90 91 21 22...
  • Page 43 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 MOWER DECK PART DESCRIPTION 532162809 Housing Asm Mower 42" 872140506 Bolt Rdhd Sqnk 5/16-18unc X3/4 532138017 Bracket Asm Fr Sway Bar 38/42 532138440 Bracket Asm Deck 42"sway Bar...
  • Page 44 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 MOWER LIFT 17 18...
  • Page 45 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 MOWER LIFT PART DESCRIPTION 532159460 Wire Asm Inner W/plunger 532159471 Shaft Asm Lift RH w/Inf 532105767 Pin Groove 1 500 Zinc 812000002 E Ring #5133-62 819211621 Washer 21/32 X 1 X 21 Ga...
  • Page 46 REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 HYDRO GEAR TRANSAXLE - MODEL NUMBER 319-0650...
  • Page 47: Repair Parts - Tractor

    REPAIR PARTS TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15 HYDRO GEAR TRANSAXLE - MODEL NUMBER 319-0650 KEY PART NO. NO. DESCRIPTION 532142930 Housing, Lower 532142931 Assembly, Upper Housing 532142932 Seal, Lip 532142928 Ring, Wire Retaining 532142933...
  • Page 48 SERVICE NOTES...
  • Page 49 SERVICE NOTES...
  • Page 51: Warranty

    To obtain the benefit of this warranty, the product believed to be defective must be delivered to an authorized Husqvarna dealer in a timely manner, no later than thirty (30) days from date of the operational problem or failure. The product must be delivered at the owner’s expense. Pick-up and delivery charges are not covered by this warranty.
  • Page 52 532166364 REV.1 10.05.98 SV Printed in U.S.A.