Husqvarna YTH20B42T Owner's Manual
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Husqvarna YTH20B42T Owner's Manual

Husqvarna tractor owner's manual
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03002
YTH20B42T
Owner's Manual

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Summary of Contents for Husqvarna YTH20B42T

  • Page 1 03002 YTH20B42T Owner's Manual...

  • Page 2: Safety Rules

    Safe Operation Practices for Ride-On Mowers DANGER: 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. WARNING: In order to prevent ac- cidental starting when setting up, transport ing, ad justing or making re- pairs, al ways dis connect spark plug...
  • Page 3 Safe Operation Practices for Ride-On Mowers III. CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the ma chine and the mowing activity. Never assume that children will remain where you last saw them. •...

  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS Gasoline Capacity 2.5 Gallons and type: Unleaded Regular Oil Type (API-SG-SL): SAE 30 (above 32°F) SAE 5W-30 (below 32°F) Oil Capacity: W/ Filter: W/O Filter: Spark Plug: Champion RC12YC (Gap: .030") Ground Speed (MPH): Forward: Reverse: Charging System: 9 AMPS @ 3600 RPM Battery: AMP/HR:...

  • Page 5: Assembly

    UNASSEMBLED PARTS (2) Keys Your new tractor has been assembled at the factory with the exception of those parts left unassembled for shipping puposes. When right or left hand is mentioned in this man ual, it means when you are in the operating po si tion (seated be hind the steer ing wheel).

  • Page 6: Assembly

    • Release parking brake by de press ing brake ped al. • Place freewheel control in dis en gaged po si tion to dis- en gage trans mis sion (See “TO TRANS PORT” in the Op er a tion section of this manual). •...

  • Page 7: Operation

    These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their mean- ing. REVERSE NEUTRAL REVERSE ENGINE OFF OPERATION SYSTEM (ROS) LIGHTS ON BATTERY FUEL ATTACHMENT ATTACHMENT CLUTCH DISENGAGED CLUTCH ENGAGED FREE WHEEL (Automatic Models only) Failure to follow instructions could result in serious injury or...
  • Page 8 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 ad just ments. Save this manual for future reference. Our tractors conform to the applicable safety standards of the American National Standards Institute. (A) ATTACHMENT LIFT LEVER –...
  • Page 9 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 tractor or per form ing any ad justments or repairs. We rec ommend standard safety glasses or a wide vision safety mask worn over spectacles.
  • Page 10 FIG. 7 SYSTEM CHARACTERISTICS The cruise control should only be used while mowing or transporting on relatively smooth, straight surfaces. Other con di tions such as trimming at slow speeds may cause the cruise control to dis en gage. Do not use the cruise control on slopes, rough terrian or while trimmimg or turning.
  • Page 11 WARNING: Backing up with the attachment clutch en- gaged while mowing is strongly discouraged. Turning the ROS "ON", to allow reverse operation with the attachment clutch engaged, should only be done when the operator decides it is necessary to reposition the machine with the attachment engaged.
  • Page 12 CAUTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to sep aration and for mation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. To avoid engine problems, the fuel system should be emptied before stor age of 30 days or longer.
  • Page 13 MOWING TIPS • Mower should be properly leveled for best mowing per- formance. See “TO LEVEL MOWER HOUSING” in the Service and Adjustments section of this manual. • The left hand side of mower should be used for trim- ming. •...

  • Page 14: Maintenance Schedule

    MAINTENANCE SCHEDULE Check Brake Operation Check Tire Pressure Check Operator Presence & ROS Systems Check for Loose Fasteners Check/Replace Mower Blades Lubrication Chart Check Battery Level Clean Battery and Terminals Check Transaxle Cooling Check Mower Levelness Check V-Belts Check Engine Oil Level Change Engine Oil (with oil filter) Change Engine Oil (without oil filter) Clean Air Filter...

  • Page 15: Maintenance

    TRACTOR Always observe safety rules when per form ing any main- te nance. BRAKE OPERATION 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 surface, then brake must be serviced.

  • Page 16: Clean Air Screen

    • Coat terminals with grease or petroleum jelly. • Reinstall battery (See “REPLACING BATTERY" in the SERVICE AND ADJUSTMENTS section of this man u al). V-BELTS Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not ad just able.
  • Page 17 MUFFLER Inspect and replace corroded muffl er and spark arrester (if equipped) as it could create a fi re hazard and/or dam- age. SPARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs fi...

  • Page 18: 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 19 SERVICE AND ADJUSTMENTS FIG. 18 • ATTACH REAR LIFT LINKS (C) - Lift rear corner of mower and position slot in link assembly over pin on rear mower bracket (D) and secure with washer and retainer spring. • Repeat on opposite side of tractor. FIG.
  • Page 20 SERVICE AND ADJUSTMENTS PRECISION SIDE-TO-SIDE ADJUSTMENT (See Fig. 23) • With all tires properly infl ated, park tractor on level ground or driveway. CAUTION: Blades are sharp. Protect your hands with gloves and/or wrap blade with heavy cloth. • Raise mower to its highest position. •...

  • Page 21: To Check Brake

    SERVICE AND ADJUSTMENTS FIG. 26 TO REPLACE MOTION DRIVE BELT (See Fig. 27) Park the tractor on level surface. En gage parking brake. For as sis tance, there is a belt installation guide decal on bottom side of left footrest. BELT REMOVAL - •...
  • Page 22 SERVICE AND ADJUSTMENTS • Replace washers and snap retaining ring securely in axle groove. • Replace axle cover. NOTE: To seal tire punctures and prevent fl at tires due to slow leaks, tire sealant may be purchased from your local parts dealer.
  • Page 23 SERVICE AND ADJUSTMENTS TO REMOVE HOOD AND GRILL ASSEMBLY (See Fig. 31) • Raise hood. • Unsnap headlight wire connector. • Stand in front of tractor. Grasp hood at sides, tilt toward engine and lift off of tractor. • To replace, reverse above procedure. HOOD 02778 FIG.

  • Page 24: 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. WARNING: Never store the trac tor with gasoline in the tank inside a building where fumes may reach an open fl ame or spark.

  • Page 25: Trou Bleshoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. Engine not “CHOKED” properly. Engine fl ooded. Bad spark plug. 5. Weak or dead battery. Dirty air fi lter. Dirty fuel fi lter. 8. Water in fuel. Loose or damaged wiring. Carburetor out of adjustment.

  • Page 26: Trou Bleshoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE Engine dies when 1. Reverse operation system tractor is shifted (ROS) is not "ON" while into reverse mower or other attachment is engaged. Engine continues to run Faulty operator-safety presence control system. when operator leaves seat with attachment clutch engaged Poor cut - uneven...
  • Page 27 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 SCHEMATIC 02961-194276_Regulated-Tex IGNITION SWITCH POSITION CIRCUIT “MAKE” M+G+A1 B+A1 RUN/OVERRIDE B+A1 L+A2 START B + S + A1 02961 BATTERY FUSE WHITE WHITE BLACK PTO SWITCH (DISENGAGED) BLACK...

  • Page 28: Warranty

    TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 ELECTRICAL 194276D...
  • Page 29 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 ELECTRICAL PART DESCRIPTION 532 13 64-65 Battery 874 76 04-12 Bolt Hex Head 1/4-20 x 3/4 532 18 64-91 Box Battery 532 17 61-38 Switch Interlock Push-In 532 18 37-59 Harness Socket Light W/4152J...
  • Page 30 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 CHASSIS chassis-tex_49-lt husq...
  • Page 31 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 CHASSIS PART DESCRIPTION 532 19 42-63 Drawbar 532 40 32-05 Dash 532 40 18-24 Hood 532 19 89-07 Lens LH 532 40-48-21 Grille/Lens Asm. 532 19 89-06 Lens RH...
  • Page 32 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 DRIVE drive-tex_34-Husq TuffTorq...
  • Page 33 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 DRIVE PART DESCRIPTION - - - - - - Transaxle, TUFFTORQ K46 (Order Parts from Transaxle Manu- facturer) 532 12 35-83 Key 819 13 13-16 Washer 13/32 x 13/16 x 16 Ga.
  • Page 34 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 STEERING ASSEMBLY steering-tex_5-vgt PART DESCRIPTION 532 19 39-43 Wheel, Steering 532 19 59-68 Axle Asm., Front 532 40 30-87 Spindle Asm., LH 532 40 30-88 Spindle Asm., RH 532 12 49-31 Bearing, Race Thrust Harden 532 12 17-48 Washer 25/32 x 1-5/8 x 16 Ga.
  • Page 35 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 ENGINE OPTIONAL EQUIPMENT Spark Arrester PART DESCRIPTION - - - - - - Engine B&S Model No. 31P977 532 13-73-52 Muffl er 532 19 43-20 Keeper Belt Engine...
  • Page 36 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 SEAT ASSEMBLY seat-tex_7-vgt PART DESCRIPTION 532 19 75-18 Seat 532 18 01-66 Bracket Pivot Fender 532 14 06-75 Strap, Asm Fender 532 14 50-06 Clip, Push In, Hinged 873 80 06-00 Nut, Lock W/Ins.
  • Page 37 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 DECALS PART DESCRIPTION 532 40 21-04 Decal, Operators 532 40 33-78 Decal, Hood 532 40 43-72 Decal, Hood Panel SD 532 40 21-28 Decal, Hood Top Insert 532 18 09-41 Decal, Customer Respons.
  • Page 38 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 MOWER DECK 42_D_elec-Tex_8...
  • Page 39 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 MOWER DECK PART DESCRIPTION 532 40 29-99 Mower Housing 532 19 51-86 Arm Suspension 532 19 30-03 Bolt/Washer asm 7/16-20 unf 532 13 89-71 Blade, 42" Hi-Lift (For bagging or discharge) 532 13 41-49 Blade, 42"...
  • Page 40 TRACTOR - - MODEL NUMBER YTH20B42T (96043002002), PRODUCT NO. 960 43 00-20 MOWER LIFT lift-tex_4 PART DESCRIPTION 532 19 52-23 Shaft Asm., Lift 532 19 52-31 Lever Asm., Lift Rh 532 19 64-92 Grip, Lever 532 19 63-14 Spring Torsion...
  • Page 41 SERVICE NOTES...
  • Page 44 532 40 57-49 03.15.06 TR Printed in U.S.A.

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Yth20f42t917.279241

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