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Husqvarna YTH180 Owner's Manual

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Y T H 1 8 0
This product has a low emission engine which operates differently
from previously built engines. Before you start the engine, read
and understand this Owner's Manual.
Owner's Manual

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Summary of Contents for Husqvarna YTH180

  • Page 1 Y T H 1 8 0 This product has a low emission engine which operates differently from previously built engines. Before you start the engine, read and understand this Owner's Manual. Owner’s Manual...

  • Page 2: Safety Rules

    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 III. CHILDREN •...

  • Page 3: Product Specifications

    W/O FILTER: 3.7 PINTS Always observe the “SAFETY RULES”. SPARK PLUG: CHAMPION RC12YC (GAP: .030") MODEL NUMBER YTH180 VALVE CLEARANCE: NOT ADJUSTABLE GROUND SPEED (MPH): FORWARD: SERIAL REVERSE: NUMBER ____________________________________ TIRE PRESSURE:...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SAFETY RULES ............2 MAINTENANCE SCHEDULE ........16 PRODUCT SPECIFICATIONS ........3 SERVICE AND ADJUSTMENTS ......20-24 CUSTOMER RESPONSIBILITIES ..... 3, 16-19 STORAGE ..............25 ASSEMBLY ..............6-9 TROUBLESHOOTING ..........26-27 OPERATION ............11-15 REPAIR PARTS - TRACTOR ......... 30-47 WARRANTY ..............

  • Page 5: Assembly

    CONTENTS OF HARDWARE PACK Parts Bag contents shown full size (2) Screws (2) Hex Bolts #10 x 5/8 3/8-16 x 1 (2) Washers (2) Nylon 17/32 x 7/8 x 16 Ga. Locknuts 3/8-16 (2) Hex Bolts 3/8-16 x 1 (2) Weld (2) Lock Nuts #10 (2) Washers...

  • Page 6: Operation

    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 7 ASSEMBLY • Close terminal access doors. TO ATTACH FRONT BUMPER (See Fig. 4) Use terminal access doors for: NOTE: For ease of assembly, you may wish to obtain the • Inspection for secure connections (to tighten hard- assistance of another person for mounting bumper to ware).
  • Page 8 ASSEMBLY • Place the R.H. suspension arm on outward pointing INSTALL MOWER AND DRIVE BELT (See deck pin. If necessary, rock and raise front of mower Figs. 6 and 9) to align deck pin with the hole in suspension arm. Be sure tractor is on level surface and mower suspension Retain with double loop retainer spring with loops down as shown.
  • Page 9 ASSEMBLY CHECK TIRE PRESSURE DEFLECTOR The tires on your tractor were overinflated at the factory for SHIELD 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 BRAKE SYSTEM After you learn how to operate your tractor, check to see that the brake is properly adjusted.
  • Page 10 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 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 locations of various controls and adjustments. Save this manual for future reference. ATTACHMENT LIGHT IGNITION CLUTCH SWITCH SWITCH...

  • Page 12: How To Use Your Tractor

    OPERATION 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 the spectacles or standard safety glasses.

  • Page 13: Before Starting The Engine

    OPERATION TO ADJUST GAUGE WHEELS (See Fig. 11) TO OPERATE ON HILLS Gauge wheels are properly adjusted when they are slightly CAUTION: Do not drive up or down off the ground when mower is at the desired cutting height hills with slopes greater than 15 and in operating position.

  • Page 14: Carburetor

    OPERATION • For cold weather operation you should change oil for • The attachments and ground drive can now be used. If easier starting (See “OIL VISCOSITY CHART” in the the engine does not accept the load, restart the engine Customer Responsibilities section of this manual).
  • Page 15 OPERATION NOTE: During this procedure there will be no movement of drive wheels. The air is being removed from hydraulic drive system. • Move motion control lever to neutral (N) position. Shut- off engine and set parking brake. • Engage transmission by placing freewheel control in driving position (See “TO TRANSPORT”...

  • Page 16: Maintenance Schedule

    CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE SERVICE DATES Check Brake Operation Check Tire Pressure Check for Loose Fasteners Sharpen/Replace Mower Blades Lubrication Chart Check Battery Level/Recharge Clean Battery and Terminals Check Transaxle Cooling Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension Check Engine Oil Level Change Engine Oil...

  • Page 17: Customer Responsibilities

    CUSTOMER RESPONSIBILITIES TRACTOR • To check blade balance, you will need a 5/8" diameter steel bolt, pin, or a cone balancer. (When using a cone Always observe safety rules when performing any mainte- balancer, follow the instructions supplied with bal- nance.
  • Page 18 CUSTOMER RESPONSIBILITIES TRANSAXLE PUMP FLUID The transaxle was sealed at the factory and fluid mainte- nance is not required for the life of the transaxle. Should the transaxle ever leak or require servicing, contact your near- DRAIN est authorized service center/department. PLUG ENGINE LUBRICATION...
  • Page 19 CUSTOMER RESPONSIBILITIES ENGINE OIL FILTER Replace the engine oil filter every season or every other oil CARTRIDGE change if the tractor is used more than 100 hours in one FOAM year. PRE-CLEANER IN-LINE FUEL FILTER (See Fig. 20) CARTRIDGE The fuel filter should be replaced once each season. If fuel PLATE filter becomes clogged, obstructing fuel flow to carburetor, RUBBER...

  • Page 20: Side-To-Side

    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: Service And Adjustments

    SERVICE AND ADJUSTMENTS TO REPLACE MOWER DRIVE BELT SUSPENSION ARM MOWER DRIVE BELT REMOVAL (See Fig. 26) - LIFT LINK ADJUSTMENT NUT • Park tractor on a level surface. Engage parking brake. • Remove four screws from L.H. mandrel cover and remove cover.

  • Page 22: To Adjust Attachment Clutch

    SERVICE AND ADJUSTMENTS • Install new belt in lower groove of L.H. mandrel pulley, TO ADJUST ATTACHMENT CLUTCH idler pulley, and center mandrel pulley as shown. (See Fig. 29) • Roll belt over R.H. mandrel pulley. Make sure belt is in all grooves properly.
  • Page 23 SERVICE AND ADJUSTMENTS • Pull belt slack toward rear of tractor. Carefully remove TO START ENGINE WITH A WEAK BATTERY belt upwards from transmission input pulley and over (See Fig. 33) cooling fan blades. CAUTION: Lead-acid batteries gener- • Pull belt toward front of tractor and remove downwards ate explosive gases.

  • Page 24: Throttle Control Cable

    SERVICE AND ADJUSTMENTS TO REPLACE HEADLIGHT BULB ENGINE • Raise hood. TO ADJUST THROTTLE CONTROL CABLE • Pull bulb holder out of the hole in the backside of the (See Fig. 35) grill. • Replace bulb in holder and push bulb holder securely The throttle control has been preset at the factory and back into the hole in the backside of the grill.
  • Page 25 SERVICE AND ADJUSTMENTS TO ADJUST CHOKE CONTROL IMPORTANT: DAMAGE TO THE NEEDLES AND THE SEATS IN CARBURETOR MAY RESULT IF SCREW IS (See Figs. 35 and 36) TURNED IN TOO TIGHT. The choke control has been preset at the factory and PRELIMINARY SETTING - adjustment should not be necessary.

  • Page 26: Cleaning

    STORAGE Immediately prepare your tractor for storage at the end of ENGINE the season or if the tractor will not be used for 30 days or more. FUEL SYSTEM IMPORTANT: IT IS IMPORTANT TO PREVENT GUM CAUTION: Never store the tractor with DEPOSITS FROM FORMING IN ESSENTIAL FUEL gasoline in the tank inside a building SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER,...

  • Page 27: Levels

    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 flooded. Wait several minutes before attempting to start. Bad spark plug. Replace spark plug. Dirty air filter.

  • Page 28: Troubleshooting Points

    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 Worn, bent or loose blade.

  • Page 29: Repair Parts

    REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 SCHEMATIC...
  • Page 30 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 ELECTRICAL D .C...
  • Page 31 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 ELECTRICAL PART DESCRIPTION 532144927 Battery 12 Volt 35 AMP 874760412 Bolt Hex Hd 1/4-20unc X 3/4 819091016 Washer 9/32 X 5/8 X 16 Ga. 810040400 Washer Lock Hvy Helical 1/4...
  • Page 32 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 CHASSIS AND ENCLOSURES...
  • Page 33 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 CHASSIS AND ENCLOSURES PART DESCRIPTION 532159527 Chassis Weldment 532140356 Drawbar, Stretch 817490612 Screw Thdrol 3/8-16x3/4 Ty-tt 819131216 Washer 13/32 x 3/4 x 16 Ga. 532155272 Bumper Hood/Dash...
  • Page 34 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 DRIVE...
  • Page 35 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 DRIVE KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 874760624 Bolt - - - - - Transaxle (See Breakdown) 873680600 Nut Crownlock 3/8-16 UNC Peerless Model 205-034B...
  • Page 36 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 STEERING ASSEMBLY...
  • Page 37 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 STEERING ASSEMBLY PART DESCRIPTION 532124415 Wheel Steering 532137094 Axle Front Casting Machined 532157479 Spindle Asm LH 532157478 Spindle Asm RH 532124931 Bearing Race Thrust Harden 532121748 Washer 25/32 X 1-5/8 X 16 Ga...
  • Page 38 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 SEAT ASSEMBLY KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 532121249 Spacer Split 28 x .88 Zinc 532140840 Seat 532123740 Spring Cprsn Plate 532140551 Bracket Pivot Seat 8 720...
  • Page 39 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 DECALS PART PART DESCRIPTION DESCRIPTION 532157032 Decal Oper Step Thru E/F 532154515 Pad Footrest LH STLT 532157007 Decal Fender Auto Husq. Radius 532154516 Pad Footrest RH STLT...
  • Page 40 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 ENGINE...
  • Page 41 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 ENGINE PART DESCRIPTION 532155274 Control Throt Flg 180 LH 817720410 Screw Hex Thd Cut 1/4-20x5/8 T - - - - - - - - Engine Model No. CV18S...
  • Page 42 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 MOWER DECK 90 91 104 105...
  • Page 43 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 MOWER DECK PART PART DESCRIPTION DESCRIPTION 532144949 Arm, Idler Secondary 532156948 Deck Asm., Mower 46" 532133943 Washer, Hardened 532138457 Bracket Asm., Sway Bar 532145059 Cover, Mandrel Deck...
  • Page 44 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 MOWER LIFT 17 18...
  • Page 45 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 MOWER LIFT PART DESCRIPTION 532159460 Wire Asm Inner/Spring 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. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 PEERLESS TRANSAXLE - MODEL NUMBER 205-034B...
  • Page 47 REPAIR PARTS TRACTOR - MODEL NO. YTH180 (954140010D), PRODUCT NO. 954 14 00-10 PEERLESS TRANSAXLE - MODEL NUMBER 205-034B REF PART REF PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 790075 Brake Disc 71A 792162 Pushnut, 9/16" 790007 Brake Pad Plate...
  • Page 48 SERVICE NOTES...
  • Page 49 SERVICE NOTES...
  • Page 50 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SIGHTING GUIDE SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. 15° MAX. Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face.

  • Page 51: Replacement

    Husqvarna dealer in a timely manner, no later than thirty (30) days from date of the operational problem or failure. purchase; all claims must be sent to the appropriate manufacturer;...
  • Page 52 532161049 Rev. 1 6.30.97 Printed in U.S.A.

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