Home

Husqvarna YT180 User's Manual

1. YI180 Owner s Manual 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 Only allow responsible adults who are familiar with the instructions to operate the machine Clear the area of objects such as rocks toys wire etc which could be picked up and thrown by the blade Besuretheareaisclear of other people before mowing Stop machine if anyone enters the area e Never carry passengers Donotmowin reverse unless absolutely necessary Always look down and behind before and while backing Beaware of the mower discharge direction and do not point it at anyone Do not operate the mower without either the entire grass catcher or the guard in place Slow down before turning e Never leave a running machine unattended Always turn off blades set parking brake stop engine and remove keys before dismounting e Turn off blades when not mowing Stop engine before removing grass catcher or unclogging chute only in daylight or good artificial light Do not operate the machine while under the influence of alcoho
2. IGNITION SWITCH HEIGHT ADJUSTMENT KNOB CHOKE CONTROL GEARSHIFT LEVER PARKING BRAKE FIG 9 Our tractors conform to the safety standards of the American National Standards Institute ATTACHMENT CLUTCH SWITCH Used to engage the mower blades or other attachments mounted to your tractor THROTTLE CONTROL Used for starting and controlling engine speed CHOKE CONTROL Used when starting a cold engine PARKING BRAKE Locks clutch brake pedal into the brake position HEIGHT ADJUSTMENT KNOB Used to adjust the mower height INDICATOR LIGHTS Indicates low fuel level attachment engagement low battery voltage and low oil pressure 10 GEARSHIFT LEVER Selects the speed and direction of tractor ATTACHMENT LIFT LEVER Used to raise and lower the mower deck or other attachments mounted to your tractor LIFT LEVER PLUNGER Used to release attachment lift lever when changing its position IGNITION SWITCH Used for starting and stopping the engine HOURMETER Indicates hours of operation LIGHT SWITCH Turns the headlights on and off CLUTCH BRAKE PEDAL Used for declutching and brak ing the tractor and starting the engine WEAR YOUR The operation of any tractor can result in foreign objects thrown into the eyes which can result in severe eye damage Always wear safety glasses or eye shields FORESIGHT IS BET
3. 42 Nut 9 16top Lock Fling Cntr Bolt Rdhd 3 8 16uncx2 3 4 Gr5 Fastner Christmas Tree Pulley Idler Flat 3 060 Washer 13 32 X 13 16 X 16 Ga Spacer Spring Stop Idler Nut Crownlock 3 8 16 Unc Guard Mandrel LH Black Screw Thdrol 1 4 20x5 8 Washer Hardened 43 KEY PAR NO NO 532140084 532122052 532141043 532131950 532144200 532120958 532144394 872140620 874760616 532132274 873800600 819171416 532132264 532132273 532136420 871161010 819061216 810071000 532130758 532125004 532140353 532132262 817490512 873510500 872110504 532137644 532105455 873930600 819121414 819171512 532143723 532140476 532130794 DESCRIPTION Arm Idler 42 mower LT YT Spacer Retainer Pm Mower Guard Belt Spring Ext Elect V Belt Mower Washer Sintered Keeper Belt Idler Fixed Bolt Carriage 3 8 16 x 2 1 2 Gr 5 Bolt Fin Hex 3 8 16unc X 1 Bracket Asm Noseroller LH Nut Lock 3 8 16 Unc Washer 17 32 X 7 8 X 16 Ga Roller Nose 38 amp 42 Bracket Asm Noseroller RH Cover Mulching 42 Black Screw Washer 10 Washer Lock 10 Latch Asm Bagger Nut Weld Bracket Wheel Gauge Lh 42 Deck Bracket Wheel Gauge 42 Deck Screw Thdrol 5 16 18 x 3 4 Nut Keps 5 16 18 UNC Bolt Carriage 5 16 Unc x 1 2 Bolt Shld A 2 41 B 1 66 Wheel Gauge blk 4 93 Nut Centerlock 3 8 16 UNC Washer 3 8 x 7 8 x 14 Ga Washer 17 32 x 15 16 x 12 Ga Bracket Extruded Gauge Wheel Deck Serv 42 Elec Vent Standard Deck Order
4. SPARK UNIT y PEUGS CHARGING SYSTEM OUTPUT 15 DC 3600 RPM e RED REGULATOR naa ALTERNATOR 28 VOLTS 3600 RPM REGULATOR DISCONNECTED RE NON REMOVABLE REMOVABLE e Q CONNECTIONS CONNECTIONS SOR CA OIL PRESSURE SWITCH 3 D MM 4 ENGINE OFF NGINE INDICATOR LIGHTS e 1 LOW FUEL ay ae GE 2 DISENGAGE ATTACHMENT 3 BATTERY DISCHARGING 2222 amp 3 BLACK e 4 CHECK OIL L ow FUEL TANK PULL RED HOUR BLACK METER o A et xa 4 A 1 Orn e TE e ne 1 AFTER FIRE SOLENOID ORANGE i BROWN amp BLACK 0 0 eier HEADLIGHT SWITCH OFF HEAD 3 LIGHTS WIRING INSULATED CLIPS 74 NOTE IF WIRING INSULATED GFC IGNITION SWITCH Crips WERE REMOVED FOR PTO SWITCH ITI SERVICING OF UNIT THEY SHOULD BE REPLACED TO e PROPERLY SECURE YOUR WIRING 27 18 HP 42 MODEL NUMBER 180 954001082 REPAIR PARTS ELECTRICAL ENG N 1 SS 28 REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 ELECTRICAL KEY PART NO 532121537 874760412 819091016 810040400 532121264 873220400 532007697 532124886 532109596 872240460 532102476 532123198 810
5. SPARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation whichever comes first Spark plug type and gap setting are shown in PRODUCT SPECIFICATIONS on page 3 of this manual 17 IN LINE FUEL FILTER See Fig 19 The fuel filter should be replaced once each season If fuel filter becomes clogged obstructing fuel flow to carburetor replacement is required With engine cool remove filter and plug fuel line sections Place new fuel filter in position in fuel line Be sure there are no fuel line leaks and clamps are properly positioned Immediately wipe up any spilled gasoline FUEL FILTER FIG 19 CLEANING IMPORTANT FOR BEST PERFORMANCE KEEP MOWER HOUSING FREE OF BUILD UP GRASS AND TRASH CLEAN UNDERSIDE OF MOWER HOUSING AFTER EACH USE e Clean engine battery seat finish etc of all foreign matter e Keep finished surfaces and wheels free of all gasoline oil etc Protect painted surfaces with automotive type wax We do not recommend using a garden hose to clean your tractor unless the electrical system muffler air filter and carburetor are covered to keep water out Water in engine can result in a shortened engine life SERVICE AND ADJUSTMENTS CAUTION BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS Depress clutch brake pedal fully and set parking brake Place gearshift lever in NEUTRAL position Place attachment clu
6. See Fig 10 The cutting height is controlled by turning the height adjust ment knob in desired direction knob clockwise 7 to raise cutting height e Turn knob counterclockwise Y to lower cutting height The cutting height range is approximately 1 1 2 to 4 The heights are measured from the ground to the blade tip with the engine not running These heights are approximate and may vary depending upon soil conditions height of grass and types of grass being mowed The average lawn should be cutto approximately 2 1 2 inches during the cool season and to over 3 inches during hot months For healthier and better looking lawns mow often and after moderate growth For best cutting performance grass over 6 inches height should be mowed twice Make the first cut relatively high the second to desired height TO OPERATE MOWER See Fig 11 Your tractor is equipped with an operator presence sensing switch Any attempt by the operator to leave the seat with the engine running and the attachment clutch engaged will shut off the engine e Select desired height of cut e Lower mower with attachment lift control e Start mower blades by engaging attachment clutch control TO STOP MOWER BLADES disengage attachment clutch control CAUTION Do not operate the mower without either the entire grass catcher on mowers so equipped mulcher plate or the discharge guard in place ATTACHMENT LIFT LEVER
7. ATTACHMENT HIGH POSITION CLUTCH SWITCH PULL OUT TO ENGAGED PUSH IN TO DISENGAGED 12 TO OPERATE ON HILLS CAUTION Do drive up or down hills with slopes greater than 15 and do not drive across any slope e Choose the slowest speed before starting up or down hills Avoid stopping or changing speed on hills e slowing is necessary move throttle control lever to slower position e f stopping is absolutely necessary push clutch brake pedal quickly to brake position and engage parking brake e Move gearshift lever to 1st gear and be sure you have allowed room for tractor to roll slightly as you restart movement Torestart movement slowly release parking brake and clutch brake pedal all turns slowly TO TRANSPORT Raise attachment lift control to highest position Whenpushing or towing your tractor be sure gearshift lever is in neutral N position Do not push or tow tractor at more than five 5 MPH NOTE To protect hood from damage when transporting your tractor on a truck or trailer be sure hood is closed and secured to tractor Use an appropriate means of tying hood to tractor rope cord etc BEFORE STARTING THE ENGINE CHECK ENGINE OIL LEVEL See Fig 16 The engine in your tractor has been shipped from the factory already filled with summer weight oil e Check engine oil with tractor on level ground e Removeoilfill cap dipstick
8. BOTH SIDES FIG 20 SERVICE AND ADJUSTMENTS TO LEVEL MOWER HOUSING Adjust the mower while tractor is parked on level ground or driveway Make sure tires are properly inflated See PRODUCT SPECIFICATIONS on page 3 ofthis manual Iftires are over orunderinflated you will not properly adjust your mower SIDE TO SIDE ADJUSTMENT See Figs 21 and 22 Raise mower to its highest position Atthe midpoint of both sides of mower measure height from bottom edge of mower to ground Distance on both sides of mower should be the same or within 1 4 of each other If adjustment is necessary make adjustment on one side of mower only To raise one side of mower tighten lift link adjustment nut on that side Tolower one side of mower loosen lift link adjustment nut on that side NOTE Each full turn of adjustment nut will change mower height about 1 8 e Recheck measurements after adjusting BOTTOM EDGE OF MOWER TO GROUND BOTTOM EDGE OF MOWER TO GROUND jC GROUND LINE FIG 21 SUSPENSION ARM LIFT LINK ADJUSTMENT NUT FIG 22 19 FRONT TO BACK ADJUSTMENT See Figs 23 and 24 IMPORTANT DECK MUST BE LEVEL SIDE TO SIDE IF THE FOLLOWING FRONT TO BACK ADJUSTMENT 1 NECESSARY BE SURE TO ADJUST BOTH FRONT LINKS D SO MOWER WILL STAY LEVEL SIDE TO IDE To obtain the best cutting results the mower housing should be adjusted so thatthe frontis approxi
9. Engine Operation eR ete 10 13 Side To Side 19 Air Filter iret 16 17 Operating Mower 12 Throttle Control Cable 23 Air Sereen eua aS eke 16 Air Filter Engine 16 17 Cooling Fins Engine 16 P Air Screen Engine 16 CHANGE 16 Parking 10 11 Assembly 6 9 Level en 12 16 5 Oil Type 16 Parts Replacement Repair 28 45 B Preparation 12 Product Specifications 3 Battery Starting eite ure 13 Charging i e ids 8 Storage 24 R nous wee F Repair Parts 28 45 Levels iiec etre 8 15 Filters Preparation 8 Alt UNES 16 17 5 Starting with Weak Battery 21 17 Safety Rules 2 Storage 24 Fuel 7 Terminals 15 12 13 Service and Adjustments 18 23 Belt Storage EE 24 Carburetor 23 Motion Drive FUSE ent ea 22 PUSE der Removal Replacement 20 Hood Removal Installation 22 Mower Blade Drive H REMOVA 20 Hood Removal Installation 22 PE Wa A Sharpening tnnt 15
10. Flg 37 88 Screw Hex Thd Cut 1 4 20x5 8 T Engine Model No MV18 PS 58559 Muffler LT B amp S Tube Manifold LH Tube Manifold RH Clamp Bracket Muffler Mounting Screw Hex Wsh Thd Cut 1 4 20 Shield Heat LT Washer Lock Hvy Hlcl 1 4 Order from Engine Manufacturer Bolt Fin Hex 1 4 20 x 3 4 Order from Engine Manufacturer Muffler Gasket Order from Engine Manufacturer Nipple Pipe 3 8 Npt X 4 1 2 Elbow Std 90 Degree 3 8 18 Npt Washer Lock Ext Tooth 3 8 Screw Thdrol 3 8 16 x 1 1 2 Shield Heat Mech Receptacle 1 4 Turn Retainer 1 4 Turn Bushing Snap Split Stud 1 4 Turn Shield Heat Browning LT YT Screw Tap Hex 10 24 X 1 2 Choke Control Nut Fin Hex 3 8 24 Unf Kit Spark Arrestor Flat Scrn Tank Fuel 3 50 Rear Cap Asm Fuel W sym Vented Clamp Hose Pad Spacer Screw Thdrol 5 16 18 x 3 4 Washer 13 32 x 1 1 4 x 12 Ga Line Fuel 54 Plug Oil Drain Order From Engine Manufacturer Pad Idler Bushing Stem Tank Fuel NOTE component dimensions given in U S inches 1 inch 2 25 4 mm 39 5 18 42 MODEL 180 954001082 MOWER LIFT ASSEMBLY 40 REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 MOWER LIFT ASSEMBLY KEY PART NO 532136971 532136968 532138284 812000002 819211621 532120183 532125631 532124526 532122512 532139865 532139866 532124670 532127218 873350800 532130171 87380080
11. Nose Roller Mulch Cover and Gauge Wheel components separately Key Nos 90 95 101 106 and 111 121 Mandrel Assembly Includes Key Numbers 8 10 12 15 31 and 33 NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm 5 18 42 TRACTOR MODEL NUMBER YT180 954001082 DANA TRANSAXLE MODEL NUMBER 4360 81 5 18 HP 42 TRACTOR MODEL NUMBER YT180 954001082 DANA TRANSAXLE MODEL NUMBER 4360 81 KEY PAR NO 01 00 532142671 532002274 532134400 532105904 532105905 532134788 532134399 532120951 532134791 532142672 532134793 532142679 532120415 532142674 532106846 532106095 532105909 532105910 532105911 532142675 532138246 532138237 532143051 532142676 532002244 532105916 532120470 532110070 532142677 532142681 532120405 532108980 532120406 532134796 532105925 532002232 532108978 532110079 532124639 532120472 DESCRIPTION Housing Upper Screw Self Tapping Large 1 4 20 x 734 Ball Detent Spring Detent Screw Set Kit Shifter Assembly Boot Shifter Puck Friction Screw Self Tapping with Sealer Ring Retaining Assembly Kit Shim 625 Shaft Gear Spur 15 Teeth Washer Plain 632 x 1 38 x 046 Key Woodruff 9 Assembly Kit Input Shaft Pinion Bevel 14 Teeth Ring Retaining Chain 24 Pitches Bearing Flange Gear Spur 14 Teeth Collar Clutch Assem
12. Reduced traction could cause sliding Donot try to stabilize the machine by putting your foot on the ground Do notuse grass catcher on steep slopes CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children Children are often attracted to the machine and the mowing activity Never assume that children will remain where you last saw them D Keep children out of the mowing area and under the watchful care of another responsible adult Be alert and turn machine off if children enter the area Before and when backing look behind and down for small children Never carry children They may fall off and be seriously injured or interfere with safe machine operation Never allow children to operate the machine Use extra care when approaching blind corners shrubs trees or other objects that may obscure vision SERVICE Use extra care in handling gasoline and other fuels They are flammable and vapors are explosive Use only an approved container Never remove gas cap or add fuel with the engine running Allow engine to cool before refueling Do not smoke Never refuel the machine indoors Never store the machine or fuel container inside where there is an open flame such as a water heater Never run a machine inside a closed area Keep nuts and bolts especially blade attachment bolts tight and keep equipment in good condition Never tamper with safety devices C
13. Removal Replacement 20 15 Mower Adjustment Brake Adjustment 20 Indicator Lights 13 Front to Back pU 19 Side to Side 19 C L Mower Removal 18 Leveling Mower Deck 19 7 15 21 Carburetor Lubrication 14 Slope Guide Sheet 46 Controls Tractor 10 Spark 17 MS park Plugs Mu 3 1 17 M Specification Sene 3 A Fille LLL 16 17 Maintenance Schedule 14 Starting the Engine 13 Ar Screan 16 Mower Steering 7 21 Dien 1 Adjustment Frontto Baok u 19 Stopping the 1 Cooling Fins 16 Adjustment Side to Side 19 Storage eene n 23 Engine Oll osse sns 16 Blade Sharpening 15 Fuel Filter 17 Blade Replacement 15 T Spark 17 Cutting Height 12 Throttle Control Cable Adjustment 23 Tractor Installation en 18 7 15 21 15 Operation 12 Tr
14. Rh YT180 6 sp Decal Insert Hood Lh YT180 6sp Decal Lift Handle Lift Handle Manual Owners English Manual Owners French Available accessories not included with tractor MK420 Mulching Kit Snow Blower 33 Ib wheel weights Pair Grass Catcher for 42 Snow Blade Tire Chains DESCRIPTION Cap Valve Tire Stem Valve Tire F Ts 15X 60 6 Service Tube Front Service Item Only Rim Asm 6 front White Service Fitting Grease Front Wheel Only Bearing Flange Front Wheel Only Rim Asm 8 rear White Service Tire R Ts 20 10 C Service Tube Rear Service Item Only Cover Wheel 6 white Cover Wheel 8 white NOTE All component dimensions given in U S inches 1 inch 25 4 mm lt N lt LO 9 E gt tc 2 a Q lt tc E A I REPAIR PARTS OPTIOHAL E GUIPHEHT REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 ENGINE KEY NO ech PART NO 532137214 817720410 532137978 532136215 532136216 532138129 532122439 817190408 532143600 810040500 874570512 813280336 813200300 811050600 817490624 532133747 532105839 532105838 532110436 532123650 532128953 817021008 532132782 873610600 532137180 532141070 532140527 532123487 532106082 817490512 819132012 532008543 532109227 532124952 532139277 DESCRIPTION Control RH BIk
15. battery is standing after adding acid and later while battery is being charged continue with assembly of tractor IMPORTANT TO MAXIMIZE THE LIFE OF YOUR BATTERY IT IS NECESSARY THAT THE BATTERY BE CHARGED BEFORE USE FAILURE TO CHARGE BATTERY CAN RESULT IN A SHORTENED BATTERY LIFE Charge battery at a rate of 6 amperes for 1 hour Use a 12 volt battery charger Observe all safety precau tions required for battery charging e Check the acid level after the battery is charged If the acid has fallen below the correct level add distilled or iron free water Install the vent caps to cover the vent wells Wash the top of the battery with water to remove any acid then wipe dry e Check battery case for leakage to make sure that damage has occurred in handling Dispose of excess battery acid Neutralize acid for disposal by adding itto 2 gallons of water in afive gallon plastic container Stir with a wooden or plastic paddle while adding baking soda until the addition of more soda causes no more foaming Follow instructions on how to install battery CUT AWAY VIEW VENT CAP BATTERY CELL ACID LEVEL N PSSA FIG 2 INSTALL SEAT See Fig 3 Adjust seat before tightening adjustment knob Remove cardboard packing on seat pan Place seat on pan and assemble shoulder bolt Assemble adjustment knob and flat washer loosely Do not tighten Tighte
16. dash TO REPLACE HEADLIGHT BULB e Raise hood e Pull bulb holder out of the hole in the backside of the grill Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill e Close hood INTERLOCKS AND RELAYS Loose or damaged wiring may cause your tractor to run poorly stop running or prevent it from starting e Check wiring See the electrical wiring diagram in the Repair Parts section of this manual TO REMOVE HOOD AND GRILL ASSEMBLY See Fig 30 Lift hood Disconnect headlight wire connection Remove wing nuts on inside of side panels Pivot hood and side panel forward and lift off tractor To replace reverse above procedure 22 WIRE CONNECTION FIG 30 SERVICE AND ADJUSTMENTS ENGINE TO ADJUST THROTTLE CONTROL CABLE See Fig 31 amp 32 The throttle control has been preset at the factory and adjustment should not be necessary Check adjustment as described below before loosening cable If adjustment is necessary proceed as follows With engine not running move throttle control lever to fast position e Check that speed control lever is against stop screw If it is not loosen casing clamp screw and pull throttle cable until lever is against screw Tighten clamp screw securely TO ADJUST CARBURETOR See Fig 33 The carburetor has been present at the factory and adjust ment should notbe necessary However minor adjustme
17. neutral N position e Move attachment clutch to DISENGAGED position e Pull choke control out to choke position for cold engine start For warm engine start do not use choke control e Move throttle control to midway between fast and slow em positions Insertkey into ignition and turn key clockwise to START position and release key as soon as engine starts Do not run starter continuously for more than fifteen seconds per minute If engine does not start after several attempts move throttle control to fast position wait a few minutes and try again e When engine starts slowly push choke control in e Move throttle control to fast position Allow engine to warm up for a few minutes before engaging drive or attachments NOTE f at a high altitude above 3000 feet or in cold temperatures below 32 F the carburetor fuel mixture may need to be adjusted for best engine performance See TO ADJUST CARBURETOR in the Service and Adjust ments section of this manual MOWING TIPS Tirechains cannot be used when the mower housing is attached to tractor Mower should be properly leveled for best mowing performance See TO LEVEL MOWER HOUSING in the Service and Adjustments section of this manual left hand side mower should be used for trim ming Drive so that clippings are discharged onto the area that has been cut Have the cut area to the right of the
18. securely All tires are properly inflated For shipping purposes the tires were overinflated at the factory Be sure mower deck is properly leveled side to side front to rear for best cutting results Tires must be properly inflated for leveling v Check mower and drive belts Be sure they are routed properly around pulleys and inside all belt keepers V Check wiring See that all connections are still secure and wires are properly clamped WHILE LEARNING HOW TO USE YOUR TRACTOR PAY EXTRA ATTENTION TO THE FOLLOWING IMPORTANT ITEMS v Engine oil is at proper level Fuel tank is filled with fresh clean regular unleaded gasoline V V Become familiar with all controls their location and lt lt lt function them before you start the engine Be sure brake system is in safe operating condition KNOW YOUR READ THIS OWNER S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrations with yourtractor to familiarize yourself with the locations of various controls and adjustments Save this manual for future reference INDICATOR LIGHTS ATTACHMENT CLUTCH SWITCH LIGHT SWITCH HOURMETER LIFT LEVER PLUNGER CLUTCH BRAKE PEDAL ATTACHMENT LIFT LEVER THROTTLE CONTROL
19. 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 STEERING A socket wrench set will make assembly easier Standard WHEEL wrench sizes are listed INSERT 1 3 4 socket w drive ratchet u 1 LOCKNUT 2 7 16 wrenches Phillips Screwdriver LARGE FLAT 1 1 2 wrench Utility knife WASHER 1 9 16 wrench Tire pressure gauge When right and left hand is mentioned in this manual it means when you are in the operating position seated behind the steering wheel STEERING WHEEL TO REMOVE TRACTOR FROM CARTON UNPACK CARTON SE Remove all accessible loose parts and parts cartons Mise ADAPTER from carton See page 5 e Cut along lines on carton from top to bottom all four corners of carton and lay panels flat e Check for any additional loose parts or cartons and remove BEFORE ROLLING TRACTOR OFF SKID ATTACH STEERING WHEEL See Fig 1 Remove locknut and large flat washer from steering FIG 1 shaft Position front wheels of the tractor so they are pointing straight forward Position steering wheel so cross bars are horizontal left to right and slide onto adapter Secure steering wheel to steering shaft with locknut and large flat washer previously removed Tighten securely e
20. 0 532106784 532104618 873640400 532124574 873680600 532123481 874780620 874191008 810071000 532125004 532109808 532123198 874981020 532007206 819070818 873731000 532143365 532143364 819091216 873220400 810040400 532127320 532110357 532110356 873800500 532110853 532110852 874760616 532141461 532143679 872140610 819131316 532141460 532121794 532125085 DESCRIPTION Nut Keps Hex 1 4 20 UNC Strap Pnt Hinge Rear blk Strap Asm Pnt Hinge Front Nut Keps Hex 1 4 20 UNC Support Asm Grille Nut Crownlock 3 8 16 UNC Bolt Shoulder 1 4 20 UNC Botl Fin Hex 3 8 16 Unc x 1 1 4 Screw Mach Cr Pan 10 24 x 1 2 Washer Lock 10 Nut Weld 327 304 10 24 Latch Chute Blk Nut Plastic Locking Wng 1 4 20 Screw Mach Cr Pan 10 24 1 1 4 Spacer Split 10 x 3 4 Cad Zin Washer 7 32 x 1 2 x 18 Ga Nut Keps 10 24 Unc Panel Pnt Rh Side Panel Pnt Lh Side Washer 9 32 x 3 4 x 16 Ga Nut Fin Hex 1 4 20 Unc Washer Lock Hvy Helical 1 4 Grille Asm Cap Washer Snap Nat Cap Snap Black Nut Lock Hex w ins 5 16 18 Unc P Bracket Asm Fr Pvt Hinge Lh Bracket Asm Fr Pvt Hinge Rh Bolt Fin Hex 3 8 16 x 1 Bracket Extension Bumper Plug Plastic Bolt Carriage 3 8 16 x 1 1 4 Washer 13 32 x 13 16 x 16 Ga Bumper Asm Cover Access Black Square Plug Dash 5009 Dis Lift NOTE All component dimensions given in U S inches 1 inch 25 4 mm REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT1
21. 0 532139868 532124660 819151216 812000037 532110807 819131016 532124874 876020308 532110729 873350600 532138057 532110810 532140302 873810600 532120529 532138346 532123935 817490512 819112410 532123934 DESCRIPTION Wire Asm Inner W plunger 20 56 Shaft Asm Lift RH w Inf W T Pin Groove 1 500 Zinc E Ring 45133 62 Washer 21 32 X 1 X 21 Ga Bearing Nylon BIk 629 Id Grip Handle Fluted Button Plunger Black Spring Cprsn 3 750 Oiled Link Lift LH Fixed Length Link Lift RH Fixed Length Retainer Spring Link Front Nut Jam Hex 1 2 13 Unc Trunnion BIk Zinc Nut Lock W wsh 1 2 13unc Arm Suspension Rear Retainer Spring Washer 15 32 X 3 4 X 16 Ga Ring Klip 15304 37 Nut Special Washer 13 32 X 5 8 X 16 Ga Spring 2 1 8 Pin Cotter 3 32 X 1 2 Rod Adj Lift Zinc 9 00 Wrk Lg Nut Hex Jam 3 8 16 Unc Knob Inf 3 8 16 Unc BIk W sym Trunnion Dp Stop Dbl Thds PLT Bearing Pvt Lift Spherica Nut Nylock 3 8 24 Washer Nylon 44 x 75 x 032 Pointer Pnt Height ind 505 Plug Hole BIk 1 485 1 515 Dia Screw Thdrol 5 16 18 x 3 4 Washer 11 32 x 1 1 2 10 Ga Scale Ind Height NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm 41 5 18 HP 42 TRACTOR MODEL NUMBER 180 954001082 42 MOWER 68 40 37 6 84 12240 85 fo 46 19177 V o7 108 5 P2 bg 23 m m e 32 5 1067 113 111
22. 090400 873350400 532136850 532004152 811150400 532124770 532124780 532108824 532124773 532121305 532144921 532140400 532141226 532140401 532110712 532108236 817021008 532109553 532141571 871110408 532131563 532138406 873640400 532110940 817011008 532140404 532140405 532127385 532126519 532110143 532142321 532142047 DESCRIPTION Battery Bolt Hex Head 1 4 20 x 3 4 Washer 9 32 x 5 8 x 16 Gauge Washer Lock 1 4 Caps Battery Nut Hex 1 4 20 Tube Tray Battery Tray Battery Clamp Hose Bolt Carriage 1 4 20 x 7 1 2 Guard Terminal Nut Wing 1 4 20 Washer Lock 1 4 Nut Hex Jam 1 4 20 Harness Socket Light Includes Key 11 Bulb Light Washer Lock Internal Tooth 1 4 Cable Battery 2 Cable Starter 6 Ga 11 Red Fuse Cable Battery Switch Plunger Switch Ignition Nut Ignition Bezel Ignition Key Molded Switch Light Bracket Switch Interlock Screw Hex Tap 10 24 Switch Intlk 4 Term Harness Ignition Bolt Hex 1 4 20 x 1 2 Grade 5 Cover Terminal Solenoid Nut Hex Keps 1 4 20 Meter Hour Screw 10 24 x 1 2 Switch P T O Ring Retainer PTO Sensor Low Voltage Package Light Bulb Dashboard Light 27 amp Wire Lead Sentry Kohler Harness Eng Koh Tw 16 AR O Pump NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm 29 REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 CHASSIS AND ENCLOSURES REPAI
23. 116 de NE 4417 a Oog 119 lt 5 18 HP 42 TRACTOR MODEL NUMBER YT180 954001082 42 MOWER KEY PART NO 10 532144393 872140506 532138017 532138440 532124670 532130832 532850857 810030600 532140296 532134149 532129895 532137645 532128774 532110485 532140329 872110610 872140505 532132827 532136888 873680500 532134753 532131267 532105304 532123713 532110452 532130968 819111016 532131491 532138776 532129963 532129861 532137266 872110622 532133835 532131494 819131316 532132823 873680600 532140088 532137729 532133943 DESCRIPTION Deck Asm MWR 42 weldment Bolt Rdhd Sqnk 5 16 18unc 3 4 Bracket Asm Fr Sway Bar 38 42 Bracket Asm Deck 42 sway Bar Retainer Spring Arm Suspension Rear Bolt 3 8 24x1 25 Gr8 Patched Washer Lock Hvy 3 8 Unplated Washer Hard Blade Mower Vented Blade Mower Mulching 42 Bearing Ball 6204 Mandrel Shaft Asm W lower Bearing Housing Mandrel Vented machd Bearing Ball Mandrel Stripper Mower Vented Bolt Carriage 3 8 16 X 1 1 4 Bolt Carr 5 16 18 X 5 8 Bolt Shoulder Baffle Vortex 42 Nut Crown Lock 5 16 18 Stiffener Bracket 42 deck Bracket Deflector Mower 42 Cap Sleeve 80x 112 Mower Spring Torsion Deflector 2 52 Nut Push Phos amp Oil Shield Deflector Mower 42 BIk Washer 11 32 X 5 8 X 16 Ga Rod Hinge 42 6 75 Wlg Screw Thdrol Hex Hd Zinc Mwr Washer Spacer Mower Vented Pulley
24. 12 532127018 817490608 873680600 DESCRIPTION Spring Cprsn 1 310 Pnt Nut Lock 1 4 Lge Flg Gr 5 Zinc Cap Spring Seat Bolt Shoulder 5 16 18 Unc Blkz Nut Crown Lock 5 16 18 Washer 17 32 X 1 3 16 X 12 Ga Bolt Shoulder 5 16 18 X 62 Screw Thdrol 3 8 16 x 1 2 Ty TT Nut Crownlock 3 8 16 Unc NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 17 8 13 DECALS 7 16 KEY PART NO DESCRIPTION 1 532138956 Decal Instruction Dash Eng fr 2 532132507 Decal HP Engine 3 532140728 Decal Hood RH 4 532140729 Decal Hood LH 5 532121549 Decal Caution Battery Fr ger 6 532108256 Decal Pad Footrest Rbr Sq Generic 7 532131582 Decal Fender Husqvarna 8 532133795 Decal Caution Fender Eng fr 9 532101892 Decal Clutch brake Eng fr 10 532137259 Decal Warning MULT LANGUAGE 11 532125989 Decal Grille Husqvarna 13 532140837 Decal Brake Parking Saddle WHEELS amp TIRES 1 8 12 13 37 10 12 13 532106202 532136832 532140858 532140859 532138311 532145019 532145020 15842 1 05 C42 LBD48 1 06 532059192 532065139 532106222 532059904 532141446 532124957 532124959 532141447 532122082 532124926 532124577 532124578 DESCRIPTION Reflector Tail Light Red amber Decal V Belt Mower Multi Lang Decal Insert Hood
25. 80 9540010824 DRIVE REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 DRIVE KEY NO PART NO 532142607 532110422 532123666 812000028 532121520 817490512 532141002 532137140 876020416 532105701 819151216 871040412 810040400 874780544 873800500 532126197 874780616 873800600 532121274 532130804 532137141 873350600 532106888 819131316 876020412 532133261 532071673 532130807 532127275 874760512 872140506 532122424 532120183 819211616 532124963 532123674 874760644 532124965 532109070 819131312 819111012 DESCRIPTION Transaxle 65 Dana LT Model 4360 81 Spring Return Brake T a Zinc Pulley Transaxle 20 tires Ring Retainer 5100 62 Strap Torque 30 Degrees Screw Thdrol 5 16 18 X 3 4 TYT Rod Shifter Clutch Electric Pin Cotter 1 8 X 1 Cad Washer Plate Shf 388 Sq Hole Washer 15 32 X 3 4 X 16 Ga Bolt Fin Hex 1 4 28unfx3 4 Gr8 Washer Lock Hvy Helical 1 4 Bolt Fin Hex 5 16 18uncx 2 3 4 Nut Lock H w insert 5 16 18 Washer 1 1 2 OD X 15 32 ID X 250 Bolt Fin Hex 3 8 16unc X 1 Gr 5 Nut Lock 3 8 16 Unc Knob Duckhead 3 8 16unc Rod Brake Zinc 27 326 Bracket Asm Clutch Nut Hex Jam 3 8 16 Unc Spring Rod Brake 2 00 Zinc Washer 13 32 X 13 16 X 16 Ga Pin Cotter 1 8 X 3 4 Cad Rod Brake Parking 14 500 Cap Brake Parking Black Bracket Mtg Transaxle Keeper Belt LH LT 14 Ga Bolt Hex Hd 5 16 18unc X 3 4 Bolt Carriage 5 16 18 x 3 4 Shaft A
26. Disengage attachment clutch Recharge or replace battery Replace fuse Clean battery terminals Check all wiring Check replace ignition switch Check replace solenoid or starter Contact an authorized service facility Recharge or replace battery Clean battery terminals Check all wiring Check replace solenoid or starter Set in Higher Cut position reduce speed Adjust throttle control Clean underside of mower housing Clean replace air filter Check oil level change oil Clean and regap or change spark plug Replace fuel filter Drain fuel tank and refill with fresh gasoline Drain fuel tank and carburetor refill tank with fresh gasoline and replace fuel filter Connect and tighten spark plug wire Clean engine air screen fins Clean replace muffler Check all wiring Contact an authorized service facility Contact an authorized service facility Replace blade Tighten blade bolt Replace blade mandrel Tighten loose part s Replace damaged parts TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to run 1 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 Clogged mower deck vent holes from buildup of grass leaves and trash around mandrels Mower blades will not Obstruction in clutch mech
27. FF position and remove key Always remove key when leaving tractor to prevent unauthorized use Never use choke to stop engine NOTE Under certain conditions when tractor is standing idle with the engine running hot engine exhaust gases may cause browning of grass To eliminate this possibility always stop engine when stopping tractor on grass areas CAUTION Always stop tractor com pletely as described above before leav ing the operator s position to empty grass catcher etc TO USE THROTTLE CONTROL See Fig 10 Always operate engine at full throttle Operating engine at less than full throttle reduces the battery charging rate Full throttle offers the best bagging and mower per formance TO USE CHOKE CONTROL See Fig 10 Use choke control whenever you are starting a cold engine Do not use to start a warm engine To engage choke control pull knob out Slowly push knob in to disengage TO MOVE FORWARD AND BACKWARD See Fig 10 The direction and speed of movement is controlled by the gearshift lever e Start tractor with clutch brake pedal depressed and gearshift lever in neutral N position Move gearshift lever to desired position Slowly release clutch brake pedal to start movement IMPORTANT BRING TRACTOR TO A COMPLETE STOP BEFORE SHIFTING OR CHANGING GEARS FAILURE TO DO SO WILL SHORTEN THE USEFUL LIFE OF YOUR TRANSAXLE ADJUST MOWER CUTTING HEIGHT
28. NSTALLATION Install new belt in reverse order of removal Make sure beltis in all pulley grooves and inside all belt guides e Install mower in reverse order of removal instructions MANDREL PULLEY IDLER PULLEY FIG 25 TO ADJUST BRAKE See Fig 26 Your tractor is equipped with an adjustable brake system which is mounted on the right side of the transaxle If tractor requires more than six 6 feet stopping distance at high speed in highest gear then brake must be adjusted Depress clutch brake pedal and engage parking brake Measure distance between brake operating arm and nut A on brake rod e is other than 1 1 2 loosen jam nut and turn nut A until distance becomes 1 1 2 Retighten jam nut against nut A e Roadtesttractor for proper stopping distance as stated above Readjust if necessary If stopping distance is still greater than six 6 feet in highest gear further maintenance is necessary Contact your nearest au thorized service center WITH PARKING BRAKE ENGAGED JAM NUT OPERATING ARM FIG 26 TO REPLACE MOTION DRIVE BELT See Fig 27 Park the tractor on level surface Engage parking brake For assistance there is a belt installation guide decal on bottom side of left footrest Remove mower See TO REMOVE MOWER in this section of this manual Disconnect clutch wire harness Remove clutch locator e Remove upper bel
29. NTY ON THESE PRODUCTS EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW ANY IMPLIED WARRANTY OF MERCHANTABIL ITY OR FITNESS FOR A PARTICULAR PURPOSE ON THESE PRODUCTS IS LIMITED IN DURATION THE WARRANTY PERIOD AS DEFINED IN THE LIMITED WARRANTY STATEMENT HUSQVARNA RESERVES THE RIGHT TO CHANGE OR IMPROVE THE DESIGN OF THE PRODUCT WITHOUT NOTICE AND DOES NOT ASSUME OBLIGATION TO UPDATE PREVIOUSLY MANUFACTURED PRODUCTS Some states do not allow the exclusion of incidental or consequential damages or limitations on how long an implied warranty lasts so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state SECTION 5 CUSTOMER RESPONSIBILITIES The customer must exhibit reasonable care maintenance operation storage and general upkeep as written in the maintenance section of the Owner s Operator s manual Should an operational problem or failure occur the product should not be used but delivered as is to an authorized Husqvarna dealer for evaluation Proof of purchase as explained in section 6 rests solely with the customer SECTION 6 PROCEDURE TO OBTAIN WARRANTY CONSIDERATION It is the Owner s and Dealer s responsibility to make certain that the Warranty Registration Card is properly filled out and mailed to Husqvarna Forest amp Garden Company This card should be mailed within ten 10 days from the date of pur
30. R PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 CHASSIS AND ENCLOSURES KEY NO PART NO 532140341 532140356 817490612 532127543 532126471 532140452 872140608 532136967 532136970 817490608 874180512 873510500 532125454 532140181 874780616 819131312 873800600 532127325 532124251 532141449 532137113 532124899 532124914 872110606 532139886 532139887 532124250 532140675 532127316 532105531 532124130 873800400 532110436 532121236 532104805 874760532 532141626 819111116 DESCRIPTION Chassis Weldment 12 ga 38 42 Drawbar Stretch Screw Thdrol 3 8 16 x 3 4 Ty TT Saddle Slkscr Clip Insulator Dash Black Hole 88 Bolt Carriage Panel Pnt Dash Lh Panel Pnt Dash Rh Screw Thdrol 3 8 16 x Ty TT 27 Mach Trhd 5 16 18 Nut Keps 5 16 18 UNC Hood Pnt Plate Pnt Battery blk Bolt Hex 3 8 16 x 3 4 Washer 13 32 x 13 16 x 12 Ga Nut Lock 3 8 Grille YT GT Husqvarna Lens Headlight Rh Smoked Fender Pnt Bracket Pnt Fender Footrest Pnt Lh Footrest Pnt Th Bolt Rdhd Sht Sqnk 3 8 16 x 3 4 Bracket Asm Pivot Lh Bracket Asm Pivot Rh Lens Headlight Lh Smoked Strap Asm Fender Retainer Nut Push Nylon Support Pnt Dash Nut Lock w Insert 1 4 20 UNC Bushing Snap Split Spacer Split 1 25 Dash Pnt Lower Bolt Fin Hex 5 16 18 Unc x 2 Gr 2 Plate Silkscreened Dash Washer 11 32 x 11 16 x 16 Ga 31 KEY NO PART NO 87351040
31. Snap steering wheel insert into center of steering wheel Remove protective plastic from tractor hood and grill IMPORTANT CHECK FOR AND REMOVE ANY STAPLES IN SKID THAT MAY PUNCTURE TIRES WHERE TRACTOR IS TO ROLL OFF SKID TO ROLL TRACTOR OFF SKID See Fig 9 Raise attachment lift lever to its highest position Release parking brake by depressing clutch brake pedal Place gearshift lever in neutral N position Roll tractor backwards off skid Remove banding holding discharge guard up against tractor ASSEMBLY HOW TO SET UP YOUR TRACTOR PREPARE BATTERY SeeFig 2 CAUTION Wear eye and face shield Wash hands or clothing immediately if accidentally in contact with battery acid Do not smoke Fumes from charged battery acid are explosive Readthe instructions included with the battery vent caps Always wear gloves clothing and goggles to protect your hands skin and eyes Your tractor has a battery charging system which is suffi cient for normal use However periodic charging of the battery with an automotive charger will extend its life instructions packed with vent caps in parts bag e Fill battery with acid Fill each cell until it reaches the bottom of the vent wells Do not overfill Allow battery to stand and settle for at least thirty minutes After standing check the level of acid H below the vent wells add more acid until the correct level is reached While
32. T INSTALL MULCHER PLATE See Figs 8A amp 8B Install two latch hooks to mulcher plate using screw washer lock washer and weld nut as shown NOTE Pre assemble weld nut to latch hook by inserting weld nut from the top with hook pointing down Tighten hardware securely e and hold deflector shield in upright position Place front of mulcher plate over front of mower deck opening and slide into place as shown Hook front latch into hole on front of mower deck Hook rear latch into hole on back of mower deck WELD NUT FROM THE TOP LOCK WASHER WELD LATCH 22 HOOK INN LOCK WELD WASHER NUT WASHER WASHER MULCHER PLATE DEFLECTOR SHIELD CAUTION Do not remove discharge guard from mower Raise and hold guard when attaching mulcher plate and allow it to rest on plate while in operation TO CONVERT TO BAGGING OR DISCHARGING Simply remove mulcher plate and store in a safe place Your mower is now ready for discharging or installation of optional grass catcher accessory CHECKLIST BEFORE YOU OPERATE AND ENJOY YOUR NEW TRACTOR WE WISH TO ASSURE THAT YOU RECEIVE THE BEST PERFORMANCE AND SATISFACTION FROM THIS QUALITY PRODUCT PLEASE REVIEW THE FOLLOWING CHECKLIST All assembly instructions have been completed No remaining loose parts in carton Battery is properly prepared and charged Minimum 1 hour at 6 amps Seat is adjusted comfortably and tightened
33. TER THAN NO SIGHT HOW TO USE YOUR TRACTOR TO SET PARKING BRAKE See Fig 10 Your tractor is equipped with an operator presence sensing switch When engine is running any attempt by the operator to leave the seat without first setting the parking brake will shut off the engine Depress clutch brake pedal into full BRAKE position and hold e Place parking brake lever in ENGAGED position and release pressure from clutch brake pedal Pedal should remain in BRAKE position Make sure parking brake will hold tractor secure ATTACHMENT CLUTCH SWITCH PULL OUT TO ENGAGED PUSH IN TO DISENGAGED CHOKE CONTROL THROTTLE CONTROL LEVER PARKING BRAKE ENGAGED POSITION POSITION GEARSHIFT LEVER DISENGAGED POSITION CLUTCH BRAKE HEIGHT PEDAL DRIVE ADJUSTMENT KNOB POSITION FIG 10 STOPPING See Fig 10 MOWER BLADES e Move attachment clutch switch to DISENGAGED position GROUND DRIVE Depress clutch brake pedal into full BRAKE position e Move gearshift lever to neutral position while operating your tractor or performing any adjustments or repairs We recom mend a wide vision safety mask for over the spectacles or standard safety glasses ENGINE e Move throttle control to slow en position NOTE Failure to move throttle control to slow position and allowing engine to idle before stopping may cause engine to backfire e Turn ignition key to O
34. al CUT AWAY VIEW VENT CAP WELL e 2 7 CELL ACID LEVEL CUSTOMER RESPONSIBILITIES V BELTS Check V belts for deterioration and wear after 100 hours and replace if necessary The belts are not adjustable Replace belts if they begin to slip from wear TRANSAXLE COOLING Keep transaxle free from build up of dirt and chaff which can restrict cooling ENGINE LUBRICATION Only use high quality detergent oil rated with API service classification SF or SG Selecttheoil s SAE viscosity grade according to your expected operating temperature SAE VISCOSITY GRADES oF 20 0 30 329409 60 80 100 90 30 20 10 0 10 20 30 40 TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE NOTE Although multi viscosity oils BW30 10W30 etc improve starting in cold weather these multi viscosity oils will result in increased oil consumption when used above 32 F Check your engine oil level more frequently to avoid possible engine damage from running low on oil Change the oil after the first two hours of operation and every 50 hours thereafter or at least once a year if the tractor is not used for 50 hours in one year Check the crankcase oil level before starting the engine and after each eight 8 hours of continuous use Tighten oil fill cap dipstick securely each time you check the oil level TO CHANGE ENGINE OIL See Fig 16 Determine temperature range expected before oil
35. and wipe clean reinsert the dipstick and push it all the way down into the tube wait for a few seconds remove and read oil level If necessary add oil until FULL mark on dipstick is reached Do not overfill For cold weather operation you should change oil for easier starting See OIL VISCOSITY CHART in the Customer Responsibilities section of this manual Tochange engine oil see the Customer Responsibili ties section in this manual ADD GASOLINE Fill fuel tank Use fresh clean regular unleaded gasoline Use of leaded gasoline willincrease carbon and lead oxide deposits and reduce valve life IMPORTANT WHEN OPERATING IN TEMPERATURES BELOW 32 F 0 C USE FRESH CLEAN WINTER GRADE GASOLINE TO HELP INSURE GOOD COLD WEATHER STARTING WARNING Experience indicates that alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which leads to separation and formation 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 Drain the gas tank start the engine and let it run until the fuel lines and carburetor are empty Use fresh fuel next season See Storage Instruc tions for additional information Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur CAUTION Fill to bottom o
36. anism rotate Worn damaged mower drive belt Frozen idler pulley Frozen blade mandrel Poor grass discharge Engine speed too slow Travel speed too fast Wet grass Mower deck not level Low uneven tire air pressure Worn bent or loose blade Buildup of grass leaves and trash under mower Mower drive belt worn Blades improperly installed Improper blades used Clogged mower deck vent holes from buildup of grass leaves and trash around mandrels 1 2 3 4 5 6 7 8 9 0 1 prem Headlight s not working Switch is OFF if so equipped Bulb s burned out Faulty light switch Loose or damaged wiring Blown fuse Battery will not charge Bad battery cell s Poor cable connections Faulty regulator if so equipped Faulty alternator Engine backfires 1 Engine throttle control not set at SLOW when turning engine position for 30 seconds before stopping engine OFF 26 CORRECTION Qu OX BOO OU od Boost FO OO Check wiring switches and connections If not corrected contact an authorized service facility Replace blade Tighten blade bolt Level mower deck Clean underside of mower housing Replace blade mandrel Clean around mandrels to open vent holes Remove obstruction Replace mower drive belt Replace idler pulley Replace blade mandrel Place throttle control in FAST position Shift to slower speed Allow gras
37. bly Kit Clutch Keys Bearing Flange Shaft Intermediate Key Woodruff 61 Ring Retaining Sprocket 18 Teeth Spacer Gear Spur 37 Teeth Gear Spur 35 Teeth Gear Spur 30 Teeth Gear Spur 25 Teeth Gear Spur 22 Teeth Gear Spur 19 Teeth Washer Plain 640 x 1 37 x 061 Washer Plain 632 x 1 00 x 026 Spacer 630 x 1 00 x 169 Assembly Gear Combination of 12 Teeth and 35 Teeth Shaft Idler Spacer 635 x 875 x 755 45 KEY PAR NO NO 532105928 532106605 532134394 532120473 532106596 532142678 532120407 532106589 532120408 532105937 532002226 532134401 532002264 532120474 532120409 532105941 532110071 532120952 532106592 532123908 532142680 532120961 532007294 532108989 532120953 532120954 532134799 532138244 532108996 532120956 873810500 532143045 532120416 DESCRIPTION Sprocket 9 Teeth Gear Bevel 42 Teeth Assembly Kit Shim 750 Shaft Shaft Drive Screw Self Tapping Large 5 16 18 x 1 44 Gear Spur 12 Teeth Gear Spur 20 Teeth Gear Spur 25 Teeth Gear Spur 28 Teeth Gear Spur 31 Teeth Washer Plain 632 x 1 00 x 060 Washer Neoprene Washer Plain 758 x 1 25 x 031 Axle L H Gear Miter 15 Teeth Ring Retaining Gear Spur 32 Teeth Shaft Cross Gear Miter 15 Teeth Axle R H Housing Lower Puck Friction Disc Brake Spacer Jaw Brake Pin Dowel Screw Self Tapping Large 5 16 18 x 2 25 Lever Actuatin
38. change All oil must meet API service classification SF or SG sure tractor is on level surface Oil will drain more freely when warm Catch oil in a suitable container e Remove oil fill cap dipstick Be careful not to allow dirt to enter the engine when changing oil e Remove drain plug After oil has drained completely replace oil drain plug and tighten securely Refill engine with oil through oil fill dipstick tube Pour slowly Do not overfill For approximate capacity see PRODUCT SPECIFICATIONS on page 3 of this manual Use gauge on oil fill cap dipstick for checking level Be sure dipstick is in all the way for accurate reading Keep oil at FULL line on dipstick 16 OIL FILL CAP DIPSTICK OIL DRAIN PLUG CLEAN AIR SCREEN See Fig 17 Air screen must be 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 ENGINE COOLING FINS See Fig 17 Remove any dust dirt or oil from engine cooling fins to prevent engine damage from overheating Air guide covers must removed Remove side panels and hood See REMOVE HOOD AND GRILL ASSEMBLY in the Service and Adjustments section of this manual AIR SCREEN COOLING FINS BOTH SIDES FIG 17 AIR FILTER See Fig 18 Your engine will not run properly using a dirty air filter Clean the foam pre cl
39. chase in order to validate the warranty and to provide post sale service Proof of purchase must be presented to the authorized Husqvarna dealer in order to obtain warranty service This receipt must include date purchased model number serial number and complete name and address of the selling dealer To obtain the benefit of this warranty the product believed to be defective must be delivered in a timely manner within thirty 30 days from date of operational problem or failure and during the warranty period to any authorized Husqvarna dealer The product must be delivered to the dealer at the owner s expense An authorized Husqvarna dealer can be normally located through the Yellow Pages of the local telephone directory HUSQVARNA FOREST amp GARDEN CO 9006 J PERIMETER WOODS DRIVE CHARLOTTE NORTH CAROLINA 28216 530 0683 91 2 04 21 92 954 00 10 82 532145019 07 08 94 Printed U S A
40. ctor Please read and retain this manual The instructions will enable you to assemble and maintain your tractor prop erly Always observe the SAFETY RULES MODEL NUMBER 180 SERIAL NUMBER DATE OF PURCHASE THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON A PLATE UNDER THE SEAT YOU SHOULD RECORD BOTH SERIAL NUMBERAND DATE OF PURCHASE AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE CUSTOMER RESPONSIBILITIES Read and observe the safety rules Followaregular schedule in maintaining caring for and using your tractor Follow the instructions under Customer Responsibili ties and Storage sections of this manual PRODUCT SPECIFICATIONS HORSEPOWER 18 0 GASOLINE CAPACITY 3 5 GALLONS AND TYPE UNLEADED REGULAR OIL TYPE API SF G SAE 30 above 32 F SAE 5W 30 below 32 F W FILTER 4 0 PINTS W O FILTER 3 5 PINTS OIL CAPACITY SPARK PLUG CHAMPION RV17YC GAP 025 VALVE CLEARANCE INTAKE 003 006 IN EXHAUST 013 016 IN FORWARD 1st 2nd 3rd 4th 5th 6th REVERSE FRONT 14PSI REAR 12 PSI 15 AMPS 3600 RPM GROUND SPEED MPH TIRE PRESSURE CHARGING SYSTEM BLADE BOLT TORQUE 30 35 FT LBS WARNING This tractor is equipped with an internal combustion engine and should not be used on or near any unimproved forest covered brush covered or grass cov ered land unless the engine s exhaust system is equipped with a spark arre
41. e in the tank inside a building where fumes may reach an open flame or spark Allow the engine to cool before storing in any enclosure TRACTOR Remove mower from tractor for winter storage When mower is to be stored for a period of time clean it thor oughly remove all dirt grease leaves etc Store in a clean dry area e Clean entire tractor See CLEANING in the Customer Responsibilities section of this manual 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 Customer Responsibilities section of this manual sure that all nuts bolts and screws are securely fastened Inspect moving parts for damage breakage and wear Replace if necessary e Touch up all rusted or chipped paint surfaces sand lightly before painting BATTERY Fully charge the battery for storage After a period of time in storage battery may require recharging To help prevent corrosion and power leakage during long periods of storage battery cables should be disconnected and battery cleaned thoroughly see TO CLEAN BATTERY AND TERMINALS in the Cus tomer Responsibilities section of this manual After cleaning leave cables disconnected and place cables where they cannot come in contact with battery terminals sure battery drain tube is securely attached f battery is removed from tractor for
42. eaner after every 25 hours of opera tion 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 wing nut and cover Remove seal and cartridge plate CUSTOMER RESPONSIBILITIES TO SERVICE PRE CLEANER Slide foam pre cleaner off cartridge e Wash it in liquid detergent and water Squeeze it dry in a clean cloth Saturate it in engine oil Wrap it in clean absorbent cloth and squeeze to remove excess oil TO SERVICE CARTRIDGE e Gently tap the flat side of the paper cartridge to dis lodge dirt Do not wash the paper cartridge or use pressurized air as this will damage the cartridge Replace a dirty bent or damaged cartridge e Reinstall the pre cleaner cleaned and oiled over the paper cartridge Reassemble air cleaner cartridge plate and seal Install the air cleaner cover and wing nut Tighten wing nut 1 2 turn to 1 fullturn after nut contacts cover Do not overtighten WING NUT COVER CARTRIDGE Uow PLATE TEM SEAL ou FOAM ech 2 PRE CLEANER EE 4 FIG 18 ENGINE OIL FILTER Replace the engine oil filter every season or every other oil change if the tractor is used more than 100 hours in one year MUFFLER Inspect and replace corroded muffler and spark arrester if equipped as it could create a fire hazard and or damage
43. ecurely in axle groove e Replace wheel cover WASHERS RETAINING RING 6 WHEEL COVER SQUARE KEY REAR WHEEL ONLY FIG 28 21 TO START ENGINE WITH A WEAK BATTERY See Fig 29 CAUTION Lead acid batteries gener ate explosive gases Keep sparks flame and smoking materials away from bat teries Always wear eye protection when around batteries If your battery is too weak to start the engine it should be recharged If jumper cables are used for emergency starting follow this procedure IMPORTANT YOUR TRACTOR IS EQUIPPED WITH A 12 VOLT NEGATIVE GROUNDED SYSTEM THE OTHER VEHICLE MUST ALSO BE A 12 VOLT NEGATIVE GROUNDED SYSTEM DO NOT USE YOUR TRACTOR BATTERY TO START OTHER VEHICLES TO ATTACH JUMPER CABLES Connect each end of the RED cable to the POSITIVE terminal of each battery taking care not to short against chassis e Connect end of the BLACK cable to the NEGA TIVE terminal of fully charged battery e Connect the other end of the BLACK cable to a good CHASSIS GROUND away from fuel tank and battery TO REMOVE CABLES REVERSE ORDER e BLACK cable first from chassis and then from the fully charged battery e cable last from both batteries POSITIVE TERMINAL NEGATIVE TERMINAL SERVICE AND ADJUSTMENTS TO REPLACE FUSE Replace with 30 amp automotive type plug in fuse The fuse holder is located in the engine compartment directly in front of the
44. er Faulty operator presence switch es 1 2 3 4 5 6 1 8 9 Weak or dead battery Corroded battery terminals Loose or damaged wiring Faulty solenoid or starter Cutting too much grass too fast Throttle in CHOKE position Dirty air filter Low oil level dirty oil Faulty spark plug Dirty fuel filter Stale or dirty fuel Water in fuel Spark plug wire loose Dirty engine air screen fins Dirty clogged muffler Loose or damaged wiring Carburetor out of adjustment Engine valves out of adjustment 1 Worn bent or loose blade 2 Bent blade mandrel 3 Loose damaged part s 25 Build up of grass leaves and trash under mower CORRECTION Bo CONOARWN gt Fill fuel tank See TO START ENGINE in Operation section Wait several minutes before attempting to start Replace spark plug Clean replace air filter Replace fuel filter Drain fuel tank and carburetor refill tank with fresh gasoline and replace fuel filter Check all wiring Contact an authorized service facility Contact an authorized service facility Clean replace air filter Replace spark plug Recharge or replace battery Replace fuel filter Drain fuel tank and refill with fresh gasoline Check all wiring Contact an authorized service facility Contact an authorized service facility Depress clutch brake pedal
45. f gas tank filler neck Do not overfill Wipe off any spilled oil or fuel Do not store spill or use gasoline near an open flame INDICATOR LIGHTS Located on the dash of your tractor these lights alert you to necessary steps required to start your tractor or while tractor is running alerts you to a serious problem which requires immediate attention Indicates low level of gasoline in fuel tank Fill tank with clean fresh gasoline FUEL Indicates you must disengage attachment clutch control to start tractor d DISENGAGE Indicates a drop battery voltage In crease throttle speed and or check bat tery and wiring Seethe Customer Re sponsibilities and Troubleshooting sec tions in this manual BATTERY DISCHARGING Indicates low oil pressure in your engine Light should come on when engine is not running and key switch is ON position CHECK This is a test to be sure light is working OIL and a reminder to always check oil level before starting engine IMPORTANT IF CHECK OIL LIGHT COMES ON WHILE THE ENGINE IS RUNNING SHUT OFF ENGINE IMMEDIATELY AND CHECK FOR CAUSE OR SERIOUS ENGINE DAMAGE WILL OCCUR TO START ENGINE See Fig 10 When starting engine for the first time or if engine has run out of fuel it will take extra cranking time to move fuel from the tank to the engine Depress clutch brake pedal and set parking brake Place gearshift lever in
46. g Washer Plain 321 x 1 00 x 055 Bracket Anti Rotation Locknut 5 16 24 Seal Oil Grease Use in combinations to maintain proper clearances Order Key No 15 NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm 97 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION SE gt ONLY RIDE UP AND DOWN HILL SIGHTING gt CUT o NOT ACROSS HILL GUIDE XS 9D lt SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE LLL Operate your Tractor up and down the face of slopes not greater than 15 never across the face Make turns gradu ally to prevent tipping or loss of control Exercise extreme caution when changing direction on slopes Effective May 1 1992 FOREST amp GARDEN WARRANTY STATEMENT SECTION 1 LIMITED WARRANTY Husqvarna Forest amp Garden Company Husqvarna warrants Husqvarna product to the original purchaser to be free from defective material and workmanship from the date of purchase for the Warranty Period here stated dependent upon the type of product use Warranty period is as follows for products listed 5 Year Warranty Plastic walk behind mower decks for noncommercial noninstitutional or nonincome producing use 2 Year Warranty Riding lawn mowers yard and garden tractors walk behind mowers tillers and attachments for noncommercial noninstitutional or nonincome producing use Ignition coils or modules on the chain
47. ge 5 8 11 Unc Pin Axle 5 8 X 1 55 1 54 Lg Shaft Asm Strg 20 31 x 3 4 YT Washer Thrust 515x 750x 033 Support Shaft Washer Shim 1 4 X 5 8 X 062 Washer Lock Hvy Helical 1 4 Screw Hex Socket 1 4 20 X 5 8 Shaft Asm Pittman Nyliner Snap In Bracket Steering Gear Sector Screw Thdrol 3 8 16x3 4 Ty tt Rod Tie Wire Form 19 75 Elec Washer 11 32 x 3 4 x 16 Ga Washer Lock Hlcl Spr 5 16 Locknut 5 16 24 Unf Bushing Strg Blk 742 747 ld Screw 10 16 X 1 2 Ty b Insert Cap Strg Wh Aut Hus Gry Washer 53 X 2 25 X 160 Zinc Nut Hex Jam Toplock 1 2 20 Unf Adapter Wheel Strg 758 753id Washer 25 32 X 1 1 4 X 16 Ga Washer 25 32 X 1 5 8 X 16 Ga Ring Klip 15304 75 Cap Spindle Fr Top Blk Fitting Grease NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm 35 REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 SEAT ASSEMBLY KEY PART NO 532124186 532140551 532145006 532124181 817490508 819131614 532140552 532120068 532121246 532121248 872050411 532121249 DESCRIPTION Seat V 550 Gry blk Std Bracket Pivot Seat 8 720 Clip Push in Hinged Spring Seat Cprsn 2 250 BIk Zi Screw Hwsh Thdrol 5 16 18 x 1 2 Washer 13 32 X 1 X 14 Ga Pan Seat Knob Seat 1 2 1 Bracket Mounting Switch Bushing Snap Blk 50 Id Bolt Rdhd Sht 1 4 20x1 3 8 Spacer Split 28x 88 Yel Zinc 36 PART NO 532123740 532123976 532124238 532139888 873680500 8191719
48. he ground If blade is balanced it should remain in a horizontal position If either end of the blade moves downward sharpen the heavy end until the blade is balanced NOTE not use a nail for balancing blade The lobes of the center hole may appear to be centered but are not CENTER HOLE BATTERY See Fig 15 Your tractor has a battery charging system which is suffi cient for normal use However periodic charging of the battery with an automotive charger will extend it s life Acid solution level in each battery cell should be even with bottoms of vent wells Add only distilled or iron free water if necessary Do not overfill Keep battery and terminals clean Keep battery bolts tight e Keepventcapstightand small vent holes in caps open e Recharge at 6 amperes for 1 hour TO CLEAN BATTERY AND TERMINALS Corrosion and dirt on the battery and terminals can cause the battery to leak power Remove terminal guard e Disconnect BLACK battery cable first then RED bat tery cable and remove battery from tractor e Wash battery with solution of four tablespoons of baking soda to one gallon of water Be careful notto get the soda solution into the cells Rinse the battery with plain water and dry e Clean terminals and battery cable ends with wire brush until bright e Coat terminals with grease or petroleum jelly Reinstall battery See INSTALL BATTERY in the Assembly section of this manu
49. heck their proper operation regularly Keep machine free of grass leaves or other debris build up Clean oil or fuel spillage Allow machine to cool before storing Stop and inspect the equipment if you strike an object Repair if necessary before restarting Never make adjustments or repairs with the engine running Grass catcher components are subject to wear damage deterioration which could expose moving parts or allow objects to be thrown Frequently check components and replace with manufacturer s recommended parts when nec essary Mower blades are sharp and can cut Wrap the blade s or wear gloves and use extra caution when servicing them Check brake operation frequently Adjust and service as required Look for this symbol to point out impor tant safety precautions It means CAUTION BECOME ALERT YOUR SAFETY IS INVOLVED CAUTION Always disconnect spark plug wire and place wire where it cannot contact spark plug in order to prevent accidental starting when setting up transporting adjusting or making repairs CONGRATULATIONS your purchase of a new trac tor It has been designed engineered and manufactured to give you the best possible dependability and perfor mance Should you experience any problem you cannot easily remedy please contact your nearest authorized service center We have competent well trained technicians and the proper tools to service or repair this tra
50. ines starters generators alternators and accessories should be sent to the appropriate manufacturer Agri Fab Foote and Tecumseh Peerless drive systems These items are covered by the drive system manufacturer s warranty as stated with the product information supplied at the time of purchase All claims for specified drive systems should be sent to the appropriate manufacturer SECTION 4 EXCEPTIONS AND LIMITATIONS This warranty shall be inapplicable to defects resulting from the following 1 Accident abuse misuse negligence and neglect including stale fuel dirt abrasives moisture rust corrosion or any adverse reaction due to incorrect storage habits 2 Failure to operate or maintain the unit in accordance with the Owner s Operator s manual or instruction sheet furnished by Husqvarna 3 Alterations or modifications that affect the unit s performance operation safety durability change its intended use or cause failure of compliance with current regulatory standards or applicable federal state or local laws 4 Use of parts or accessories which are not recommended by Husqvarna Forest amp Garden Company 5 Additional damage to parts or components due to continued use occurring after any of the above REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE CONSUMER HUSQVARNA SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRA
51. ish to obtain the assistance of another person for mounting bumper to tractor Press or tap the end caps into ends of bumper tube Slide reinforcement plates inside flattened ends of bumper and align holes in plates with slots in bumper as shown With plate and bumper holes aligned set bumper on ground in front of tractor and align the end holes in bumper with the rear holes in tractor chassis On both sides of chassis loosely install carriage bolt washer and locknut Do not tighten Pivot bumper upwards to align holes with forward chassis holes and install carriage bolt washer and locknut to both sides of chassis Tighten all four 4 locknuts securely REINFORCEMENT PLATE s 2 po C T BUMPER CARRIAGE BOLT Install Rear Hardware First Then Pivot Upwards LOCKNUT FIG 6 ASSEMBLY ASSEMBLE GAUGE WHEELS TO MOWER DECK See Fig 7 Assemble gauge wheels with tractor on a flat level surface e Adjust mower to desired cutting height See TO AD JUST MOWER CUTTING HEIGHT in the Operation section of this manual With mower in desired height of cut position gauge wheels should be assembled so they are slightly off the ground Install gauge wheel in appropriate hole with shoulder bolt 17 32 washer 3 8 washer and 3 8 16 locknut and tighten securely Repeat for opposite side installing gauge wheel in same adjustment hole 3 8 16 3 8 WASHER GAUGE WHEEL SHOULDER BOL
52. l or drugs e Watch for traffic when operating near or crossing roadways Use extra care when loading or unloading the machine into a trailer or truck SLOPE OPERATION Slopes are a major factor related to loss of control and tipover accidents which can result in severe injury or death All slopes require extra caution If you cannot back up the slope or if you feel uneasy on it do not mow it DO Mow up and down slopes not across e Remove obstacles such as rocks tree limbs etc Watch for holes ruts or bumps Uneven terrain could overturn the machine Tall grass can hide obstacles Useslow speed Choose a low gear so that you will not have to stop or shift while on the slope Follow the manufacturer s recommendations for wheel weights or counterweights to improve stability e Use extra care with grass catchers or other attachments These can change the stability of the machine Keep all movement on the slopes slow and gradual Do not make sudden changes in speed or direction e Avoid starting or stopping on a slope If tires lose traction disengage the blades and proceed slowly straight down the slope DO NOT e Donotturnonslopes unless necessary and then turn slowly and gradually downhill if possible Do notmow near drop offs ditches or embankments The mower could suddenly turn over if a wheel is over the edge of a cliff or ditch or if an edge caves in Do not mow on wet grass
53. machine This will result in a more even distribution of clippings and more uniform cutting e When mowing large areas start by turning to the right so that clippings will discharge away from shrubs fences driveways etc After one or two rounds mow in the opposite direction making left hand turns until finished See Fig 12 df grass is extremely tall it should be mowed twice to reduce load and possible fire hazard from dried clip pings Make first cut relatively high the second to the desired height Do not mow grass when it is wet Wet grass will plug mower and leave undesirable clumps Allow grass to dry before mowing Always operate engine at full throttle when mowing to assure better mowing performance and proper dis charge of material Regulate ground speed by select ing a low enough gear to give the mower cutting performance as well as the quality of cut desired When operating attachments select a ground speed that will suit the terrain and give best performance of the attachment being used FIG 12 CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE Check Brake Operation Check Tire Pressure Check for Loose Fasteners Sharpen Replace Mower Blades Lubrication Chart Check Battery Level Recharge Clean Battery and Terminals T R A C T 0 R Check Transaxle Cooling Adjust Blade Belt s Tension jv Adjus
54. mately 1 4 to 3 4 lower than the rear when the mower is in its highest position Check adjustment on right side of tractor Measure dis tance D directly in front and behind the mandrel at bottom edge of mower housing as shown Before making any necessary adjustments check that both front links are equal in length Both links should be approximately 10 3 8 are not equal in length adjust one link to same length as other link lower front of mower loosen nut E on both front links an equal number of turns e When distance is 1 4 to 3 4 lower at front than rear tighten nuts against trunnion on both front links Toraisefrontof mower loosen nut from trunnion on both front links Tighten nut E on both front links an equal number of turns e When distance D is 1 4 to 3 4 lower at front than rear tighten nut against trunnion on both front links Recheck side to side adjustment FIG 23 TRUNNION FIG 24 FRONT LINKS SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT See Fig 25 The mower blade drive belt may be replaced without tools Park the tractor on level surface Engage parking brake BELT REMOVAL e Remove mower from tractor See REMOVE MOWER this section of this manual Work belt off both mandrel pulleys and idler pulleys e Pull belt away from mower BELT I
55. n shoulder bolt securely Lower seat into operating position and sit on seat Slide seat until a comfortable position is reached which allows you to press clutch brake pedal all the way down e Get off seat without moving its adjusted position Raise seat and tighten adjustment knob securely SEAT PAN SHOULDER BOLT FLAT WASHER ADJUSTMENT KNOB FIG 3 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 See LEVEL MOWER HOUSING in the Service and Adjustments section of this manual CHECK FOR PROPER POSITION OF ALL BELTS See the figures that are shown for replacing motion and mower blade drive belts in the Service and Adjustments section of this manual Verify that the belts are routed correctly CHECK BRAKE SYSTEM After you learn how to operate your tractor check to see that the brake is properly adjusted See TO ADJUST BRAKE in the Service and Adjustments section of this manual ASSEMBLY INSTALL BATTERY See Figs 4 amp 5 CAUTION Do not short battery termi nals Before installing battery remove metal bracelets wristwatch bands rings etc Positive terminal must be connected firs
56. nt may be required to compensate for differences in fuel temperature altitude or load If the carburetor does not need adjustment proceed as follows In general turning the adjusting needles in clockwise decreases the supply of fuel to the engine giving a leaner fuel air mixture Turning the adjusting needles out coun terclockwise increases the supply of fuel to the engine giving a richer fuel air mixture IMPORTANT DAMAGE TO THE NEEDLES AND THE SEATS IN CARBURETOR MAY RESULT IF SCREW IS TURNED IN TOO TIGHT PRELIMINARY SETTING sure you have a clean air filter and the throttle control cable is adjusted properly see above With engine off turn idle fuel adjusting needle in clock wise closing it finger tight and then turn out counter clockwise 1 1 4 turns e Turn main fuel adjusting needle in clockwise closing finger tight and then turn out counterclockwise 1 turn FINAL SETTING Start engine and allow to warm for five minutes Make final adjustments with engine running and shift motion control lever in neutral N position With throttle control lever in fast position turn main fuel adjusting needle in clockwise until engine begins to die then turn out counterclockwise until engine runs rough Turn needle to a point midway between those two positions Idle speed setting With throttle control lever in slow um position engine should idle at 1400 RPM If engine idles to
57. o slow or fast turn idle speed adjusting screw in or out until correct idle is attained Idle fuel needle setting With throttle control lever in slow a position turn idle fuel adjusting needle in clockwise until engine begins to die and then turn out counterclockwise until engine runs rough Turn needle to a point midway between those two positions Recheck idle speed Readjust if necessary 23 ACCELERATION TEST e Move throttle control lever from slow to fast position If engine hesitates or dies turn idle mixture Screw out counterclockwise 1 8 turn Repeattest and continue to adjust if necessary until engine acceler ates smoothly High speed stopis factory adjusted Do not adjust damage may result IMPORTANT NEVER TAMPER WITH THE ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS IF YOU THINK THE ENGINE GOVERNED HIGH SPEED NEEDS ADJUSTING CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER DEPARTMENT WHICH HAS PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS CASING STOP SCREW THROTTLE CABLE IDLE FUEL ADJUSTING NEEDLE IDLE SPEED ADJUSTING MAIN FUEL ADJUSTING NEEDLE 5 Immediately prepare your tractor for storage at the end the season or if the tractor will not be used for 30 days or more CAUTION Never store the tractor with gasolin
58. on for a few seconds to distribute oil e Replace with new spark plug s OTHER Do not store gasoline from one season to another e Replace your gasoline can if your can starts to rust Rust and or dirt in your gasoline will cause problems e H possible store your tractor indoors and cover it to give protection from dust and dirt e Cover your tractor with a suitable protective cover that does not retain moisture Do not use plastic Plastic cannotbreathe which allows condensation to form and will cause your tractor to rust IMPORTANT NEVER COVER TRACTOR WHILE ENGINE AND EXHAUST AREAS ARE STILL WARM TROUBLESHOOTING POINTS PROBLEM Will not start Hard to start Engine will not turn over Engine clicks but will not start Loss of power Excessive vibration CAUSE Out of fuel Engine 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 Dirty air filter Bad spark plug Weak or dead battery Dirty fuel filter Stale or dirty fuel Loose or damaged wiring Carburetor out of adjustment Engine valves out of adjustment ONOARONM Clutch brake pedal not depressed Attachment clutch is engaged Weak or dead battery Blown fuse Corroded battery terminals Loose or damaged wiring Faulty ignition switch Faulty solenoid or start
59. ouble Shooting 25 26 Lubrication Chart 14 Removal M 18 T Maintenance Schedule 14 Mowing Eeer 13 ransaxie Repair Parts 44 45 Tire Care 22222222222 7 15 21 Muffler sc rcp 17 Cutting Height Mower 12 hs W Wiring Diagram 28 Wiring Schematic 27 CONTENTS HARDWARE PACK lt Battery 1 Washer 17 32 x 1 3 16 x 12 Gauge Steering Wheel 2 Screws 10 x 5 8 2 Lock Washers 10 Mulcher Plate 2 Weld Nuts 10 Parts Bag 2 Washers 3 16 x 3 4 x 16 Gauge 2 Shoulder Bolts O 2 Center lock Nuts 4 Carriage Bolts PI 3 816 x 1 1 4 A Whee Dy Cs 3 2 Washers 2 Reinforcement 2 Keys e x 7 8 x 14 Plates auge NW 4 Washers 4 Crownlock 13 32 x 13 16 x 16 Ga Nuts 3 8 16 2 Battery Carriage Bolts 2 Washers 17 32 1 4 20 x 7 1 2 x 15 16 x 12 Gauge F 5 Oi 2 Hex Bolts 1 4 20 x 3 4 N 2 Hex Nuts 1 4 20 t SC 3 2 Washers gt 2 Bumper Battery Caps 9 32 x 5 8 x 16 Ga 2 Lock Washers 1 4 15 Slope Sheet Caps and Instructions ASSEMBLY Your new tractor has been assembled at the factory with exception of
60. rm Shift Transaxle Shaft Asm Cross 20 t 42 deck Spring Torsion T a Washer 17 32 X 3 4 X 16 Ga Rod Tie Shift Adj Ball Nut Nylock 1 4 28 Bushing Rod Strg 629 632 Id Washer 21 32 X 1 1 4 X 16 Ga Ring Klip 5304 62 Console Shift 6sp W ign LT Nut Self thd wsh hd 1 4 zinc Washer 11 32 x 3 4 x 16 Ga NOTE All component dimensions given in U S inches 1 inch 2 25 4 mm REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 STEERING ASSEMBLY REPAIR PARTS 18 HP 42 TRACTOR MODEL NUMBER YT180 9540010824 STEERING ASSEMBLY KEY NO 10 532124415 532142033 532135227 532135228 532124931 532121748 819272016 812000029 532124937 532130468 810040600 873610600 532110438 874011056 873901000 532132624 532128762 532057079 532124035 532126684 810040400 871070410 532127501 532109816 532124036 532136874 817490612 532130467 819111216 810040500 873810500 532124720 817431008 532124416 532100712 873940800 532100711 532121749 532121748 812000029 532121232 532124836 DESCRIPTION Wheel Steering Auto Grey Axle Asm Fr LT W gzks 38 42 Spindle Asm LH Spindle Asm RH Bearing Race Thrust Harden Washer 25 32 X 1 5 8 X 16 Ga Washer 27 32 X 1 1 4 X 16 Ga Ring Klip 15304 75 Bearing Col Strg Link Drag Sol Ball Jt 20 064 Washer Lock Hvy Hlcl Spr 3 8 Nut Fin Hex 3 8 24 Unf Spacer Bearing Axle Front Bolt Hex 5 8 11 Unc X 3 1 2 Nut Lock Flan
61. s to dry before mowing Level mower deck Check tires for proper air pressure Replace sharpen blade Tighten blade bolt Clean underside of mower housing Replace mower drive belt Reinstall blades sharp edge down Replace with blades listed in this manual Clean around mandrels to open vent holes Turn switch ON Replace bulb s Check replace light switch Check wiring and connections Replace fuse Replace battery Check clean all connections Replace regulator Replace alternator Move throttle control SLOW position and allow to idle for 30 seconds before stopping engine 18 42 TRACTOR MODEL NUMBER 180 954001082 SCHEMATIC RED pz BLACK gt I E RED RED e RED FUSE 30 seen E OMY aa SOLENOID BLACK wHITE aN BLACK TO 7 CLUTCH BRAKE bg PEDAL UP lg 7 ELECTRIC CLUTCH Switch 997 OT OO BLACK pone E Ie J SEAT SWITCH A OCCUPIED TO BLACK D tees oh bar 77 z PTO BACK DISENGAGED 1 GROUNDING CONNECTOR o BLACK ec
62. saws clearing saws and trimmers 1 Year Warranty Chain saws clearing saws trimmers blowers and batteries for noncommercial noninstitutional or nonincome producing use 90 Day Warranty Any Husqvarna product used for rental commercial professional or income producing use 30 Day Warranty Husqvarna professional bow bars 30 Day Replacement Part Warranty Unless otherwise stated replacement parts are warranted for 30 days from date of purchase SECTION 2 HUSQVARNA S OBLIGATIONS UNDER THE WARRANTY Husqvarna will remedy defects in material and workmanship during the warranty period by repairing or replacing at Husqvarna s option the defective component without charge for parts or labor SECTION 3 ITEMS NOT COVERED BY THIS WARRANTY The following items are not covered by this warranty Normal customer maintenance items i e belts blades blade adapters bulbs filters guide bars lubricants rewind springs saw chain spark plugs starter ropes and tines Normal wear normal adjustment standard hardware or items worn through regular use Natural discoloration of material due to ultraviolet light The replacement or maintenance of worn items Briggs amp Stratton Kawasaki and Kohler engines including starters generators alternators and accessories These items are covered by the engine manufacturer s warranty as stated with the product information supplied at the time of purchase All claims for specified eng
63. sm Pedal Foot 1 930 Bearing Nylon BIk 629 Id Washer 21 32 X 1 X 16 Ga Pin Roll 3 16 X 1 Pulley Idler Flat Bolt Fin Hex 3 8 16unc X 2 3 4 Spacer Split 395 X 59 Bzp Keeper Belt Retainer Washer 13 32 X 13 16 X 12 Ga Washer 11 32 x 5 8 x 12 Ga 33 KEY 100 PART NO 532105706 532110812 812000039 532127783 532123789 532123205 874760624 873680600 873680500 532105710 532124996 532105709 532130801 532127274 532140312 817490612 532123533 532140189 871170768 810040700 532121218 874760616 532105730 532109502 532121749 812000001 532123583 532121748 532131487 532136933 532123782 819171216 532132183 873530400 532071208 819212016 812000008 532139991 532124346 819111216 DESCRIPTION Bearing 503 X 628 X 1 25 Washer Hardened Ring Klip 15304 50 Pulley Idler V Groove Plastic Bellcrank Asm Clutch Retainer Belt Style Spring Bolt Hex Hd 3 8 16unc X 1 1 2 Nut Crownlock 3 8 16 Unc Nut Crownlock 5 16 18 Link Clutch 7 66 Clip Fuel Line 13 32 Mtg Hole Spring Return Clutch 6 75 V Belt Ground Drive 95 25 42 Keeper Belt RH LT Pnt zinc 16g Keeper Belt Chassis Span Ctr Screw Thdrol 3 8 16x3 4 Ty tt Cover Pedal Premuim Engine Pulley LT YT Bolt Hex 7 16 20 x 4 1 4 Washer Lock Hiel Spr 7 16 Keeper Belt Engine LH LT Bolt Fin Hex 3 8 16unc X 1 Keeper Belt Engine BZP Zinc Spacer Split Washer 25 32 X 1 1 4 X 16 Ga E ring 5133 75 Key Square 2 0 X 1845 1865 Washer 25 32 X 1 5 8 X 16 Ga A
64. ster meeting 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 ther states may have similar laws Federal laws apply on federal lands A spark arrester for the muffler is available through your nearest authorized service center See the REPAIR PARTS section of this manual TABLE OF CONTENTS SAFETY RULES 2 2 MAINTENANCE SCHEDULE 14 PRODUCT SPECIFICATIONS 3 SERVICE AND ADJUSTMENTS 18 23 CUSTOMER RESPONSIBILITIES 3 14 17 STORAGE vs nce 24 ASSEMBLY 5 iin 6 9 TROUBLESHOOTING 25 26 22 22 cerei ncn erinnere erre ce 10 13 REPAIR PARTS 28 45 A E Adjustments Electrical Oil Brake 20 Interlocks and 22 Cold Weather Conditions 12 16 23 Schematic 27 Le 16 Mower Wiring Diagram 28 Storage iis lla deen 24 Front To Back 19
65. storage do not store battery directly on concrete or damp surfaces 24 ENGINE FUEL SYSTEM IMPORTANT IT IS IMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR FUEL FILTER FUEL HOSE OR TANK DURING STORAGE ALSO EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS CALLED GASOHOL OR USING ETHANOL OR METHANOL CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE e Drain the fuel tank Start the engine and let it run until the fuel lines and carburetor are empty Neveruse engine or carburetor cleaner products in the fuel tank or permanent damage may occur e Use fresh fuel next season NOTE Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during stor age Add stabilizer to gasoline in fuel tank or storage container Always follow the mix ratio found on stabilizer container Run engine at least 10 minutes after adding stabilizer to allow the stabilizer to reach the carburetor Do not drain the gas tank and carburetor if using fuel stabilizer ENGINE OIL Drain oil with engine warm and replace with clean engine oil See ENGINE in the Customer Responsibilities section of this manual CYLINDERS e Remove spark plug s Pour one ounce of oil through spark plug hole s into cylinder s e Turnignition key to START positi
66. t Motion Drive Belt s Tension 212 1 1 Check Engine Oil Level WEIL EE Ju Ii Change Engine Oi vw wv Clean Air Filter Ae ERIS CES eee Clean Air Screen Inspect Muffler Spark Arrester 11271 W E e Replace Oil Filter If equipped l 1 ws Gaascht Ak Sd Clean Engine Cooling Fins ace VA Replace Spark Plug Lp peg ww m res Replace Air Filter Paper Cartridge e Replace Fuel Filter Change more often when operating under a heavy load or in high ambient temperatures 5 If equipped with adjustable system 1 2 Service more often when operating in dirty or dusty conditions 3 If equipped with oil filter change oil every 50 hours 4 Replace blades more often when mowing in sandy soil GENERAL RECOMMENDATIONS The warranty on this tractor does not cover items that have been subjected to operator abuse or negligence To receive full value from the warranty operator must maintain tractor as instructed in this manual Some adjustments will need to be made periodically to properly maintain your tractor All adjustments in the Service and Adjustments section of this manual should be checked at least once each season Once a year you should replace the spark plug clean or replace air filter and check blades and belts for wear new spark plug and clean air filter assure proper air fuel mixture and help
67. t keeper Remove belt from stationary idler and clutching idler Pull belt slack toward rear of tractor Remove belt upwards from transaxle pulley by deflecting belt keep ers e Pull belt toward front of tractor and remove downwards from around electric clutch Install new belt by reversing above procedure IMPORTANT MAKE SURE UPPER BELT KEEPER IS POSITIONED PROPERLY BETWEEN LOCATOR TABS AND ELECTRIC CLUTCH WIRE CONNECTION IS SECURE ELECTRIC CLUTCH LOCATOR CLUTCH LOCATOR TABS CLUTCHING Hr UPPER BELT IDLER 5 STATIONARY IDLER TRANSAXLE CLUTCH WIRE HARNESS SERVICE AND ADJUSTMENTS TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal left to right when wheels are positioned straight forward remove steer ing wheel and reassemble per instructions the Assembly section of this manual FRONT WHEEL TOE IN CAMBER The front wheel toe in and camber are not adjustable on your tractor If damage has occurred to affect the front wheel toe in or camber contact your nearest authorized service center department TO REMOVE WHEEL FOR REPAIRS See Fig 28 Block up axle securely e Remove wheel cover retaining ring and washers to allow wheel removal rear wheel contains a square key Do not lose Repair tire and reassemble e On rear wheels only align grooves in rear wheel hub and axle Insert square key e Replace washers and snap retaining ring s
68. t to prevent sparking from acci dental grounding Lift hood to raised position Be sure battery drain tube has not come loose and is securely attached to drain in battery tray Lower battery into battery tray with terminals to rear of tractor First connect RED battery cable to positive battery terminal with hex bolt flat washer lock washer and hex nut as shown Tighten securely Connect BLACK grounding cable to negative bat tery terminal with remaining hex bolt flat washer lock washer and hex nut Tighten securely Slide the two battery bolts through the terminal guard and start the wing nuts onto the threads Position terminal guard over the battery as shown lower bolts into key holes and slide square shafts of bolts into slots of key holes Tighten wing nuts by hand making sure battery bolts remain in slots of the key holes in the battery support Be sure terminal access doors are closed Use terminal access doors for POSITIVE Inspection for secure connections to tighten hard ware Inspection for corrosion Testing battery Jumping if required Periodic charging lt 3 LOCK WASHER FLAT WASHER HEX NUT NEGATIVE BLACK CABLE BOLT FIG 4 TERMINAL GUARD ACCESS DOORS KEY HOLE BATTERY TRAY DRAIN TUBE FIG 5 TO ATTACH FRONT BUMPER See Fig 6 NOTE For ease of assembly you may w
69. tch DISENGAGED position Turn ignition key OFF and remove key Make sure the blades and all moving parts have completely stopped Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug TRACTOR TO REMOVE MOWER See Fig 20 Mower will be easierto remove fromthe right side of tractor e Place attachment clutch switch in DISENGAGED position attachment lift lever forward to lower mower to its lowest position Roll belt off electric clutch pulley Disconnect anti sway bar from chassis bracket by removing retainer spring Disconnect suspension arms from rear deck brackets by removing retainer springs Disconnect front links from deck by removing retainer springs e Raise lift lever to raise suspension arms Slide mower out from under tractor IMPORTANT IF ANATTACHMENT OTHER THAN THE MOWER IS TO BE MOUNTED TO THE TRACTOR THE R H AND L H SUSPENSION ARMS MUST BE REMOVED FROM TRACTOR TO INSTALL MOWER See Fig 20 Raise attachment lift lever to its highest position Slide mower under tractor with discharge guard to right side of tractor Lower lift lever to its lowest position e Install mower in reverse order of removal instructions 18 SUSPENSION ARMS BSS ELECTRIC Sf CLUTCH 7 PULLEY 2 S 02 gt 257 RETAINER SPRINGS 22 BOTH SIDES RETAINER SPRING ANTI SWAY BAR RETAINER SPRINGS
70. tones deep ruts sharp objects and other hazards that may cause tire damage BLADE CARE For best results mower blades must be kept sharp place bent or damaged blades BLADE REMOVAL See Fig 13 e Raise mower to highest position to allow access to blades e Removehex bolt lock washer and flat washer securing blade Install new or resharpened blade with trailing edge up towards deck as shown Reassemble hex bolt lock washer and flat washer in exact order as shown Tighten bolt securely 30 35 Ft Lbs torque IMPORTANT BLADE BOLT IS GRADE 8 HEAT TREATED NOTE Do not use a nail for balancing blade The lobes of the center hole may appear to be centered but are not MANDREL ASSEMBLY TRAILING EDGE FLAT WASHER LOCK WASHER HEX BOLT GRADE 8 A GRADE 8 HEAT TREATED BOLT CAN BE IDENTIFIED BY SIX LINES ON THE BOLT HEAD FIG 13 TO SHARPEN BLADE See Fig 14 Care should be taken to keep the blade balanced An unbalanced blade will cause excessive vibration and even tual damage to mower and engine The blade can be sharpened with a file or on a grinding wheel Do not attempt to sharpen while on the mower Tocheck blade balance you will need a 5 8 diameter steel bolt pin or a cone balancer When using a cone balancer follow the instructions supplied with bal ancer Slide blade on to an unthreaded portion ofthe steel bolt or pin and hold the bolt or pin parallel with t
71. your engine run better and last longer BEFORE EACH USE e Check engine oil level e Check brake operation e Check tire pressure e Check for loose fasteners 6 Not required if equipped with maintenance free battery 7 Tighten front axle pivot bolt to 35 ft Ibs maximum Do not overtighten LUBRICATION CHART 2 SPINDLE ZERK SPINDLE ZERK 2 FRONT WHEEL 2 BEARING ZERK FRONT WHEEL BEARING ZER ENGINE ATTACHMENT CLUTCH PIVOT S GEARSHIFT 1 PIVOTS 1 SAE 30 10W30 MOTOR OIL GENERAL PURPOSE GREASE REFER TO CUSTOMER RESPONSIBILITIES ENGINE SECTION IMPORTANT DO NOT OIL OR GREASE THE PIVOT POINTS WHICH HAVE SPECIAL NYLON BEARINGS VISCOUS LUBRI CANTS WILL ATTRACT DUST AND DIRT THAT WILL SHORTEN THE LIFE OF THE SELF LUBRICATING BEARINGS IF YOU FEEL THEY MUST BE LUBRICATED USE ONLY A DRY POW 14 DERED GRAPHITE TYPE LUBRICANT SPARINGLY 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 TIRES Maintain proper air pressure in all tires See PROD UCT SPECIFICATIONS on page 3 of this manual e Keep tires free of gasoline oil or insect control chemi cals which can harm rubber e Avoid stumps s

Husqvarna YT180 User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents