Husqvarna YT180 manual

YT180 Owner ’ s Manual[...]

2 SAFETY RULES Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. III. CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children. Chil[...]

3 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) OIL CAPACITY: W/ FILTER: 4.0 PINTS W/O FILTER: 3.5 PINTS SPARK PLUG: CHAMPION RV17YC (GAP: .025") VALVE CLEARANCE: INTAKE: .003 - .006 IN. EXHAUST: .013 - .016 IN. GROUND SPEED (MPH): FORWARD: 1st 1[...]

4 INDEX A Adjustments : Brake ........................................... 20 Carburetor ................................... 23 Mower: Front-To-Back ........................ 19 Side-To-Side .......................... 19 Throttle Control Cable ...... ...........23 Air Filter, Engine ............................ 16-17 Air Screen, Engine ..............[...]

5 CONTENTS OF HARDW ARE P ACK (2) Hex Bolts 1/4-20 x 3/4 (2) Washers 9/32 x 5/8 x 16 Ga. (2) Lock Washers 1/4 (2) Hex Nuts 1/4-20 (2) Wing Nuts 1/4-20 Parts packed separately in carton Parts Bag contents shown full size Parts bag contents not shown full size (1) Shoulder Bolt  5/16-18 (1) Washer 17/32 x 1-3/16 x 12 Gauge (1) Knob (4)[...]

6 ASSEMBL Y STEERING WHEEL ADAPTER FIG. 1 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. T OOLS [...]

7 ASSEMBL Y 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. • Tighten shoulder bolt securely. • Lower seat into operating position and sit on seat. • Slide s[...]

8 ASSEMBL Y INSTALL BATTERY (See Figs. 4 & 5) CAUTION: Do not short battery termi- nals. Before installing battery, remove metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparking from acci- dental grounding. • Lift hood to raised position. • Be sure battery drain tube has not come loose a[...]

9 ASSEMBL Y ASSEMBLE GAUGE WHEELS TO MOWER DECK (See Fig. 7) Assemble gauge wheels with tractor on a flat level surface. • 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 sligh[...]

10 OPERA TION KNOW YOUR TRACT OR 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 CLUTCH SWITCH : Used to engage the mower blades, or other attachme[...]

11 OPERA TION 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 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. SAFETY GLA[...]

12 OPERA TION TO OPERATE ON HILLS CAUTION: Do not drive up or down hills with slopes greater than 15 ° and do not drive across any slope. • Choose the slowest speed before starting up or down hills. • Avoid stopping or changing speed on hills. • If slowing is necessary, move throttle control lever to slower position. • If stopping is absol[...]

13 OPERA TION • Insert key 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. • When engine s[...]

14 CUST OMER RESPONSIBILITIES 2 LUBRICATION CHART 2 SPINDLE ZERK FRONT WHEEL BEARING ZERK ATTACHMENT CLUTCH PIVOT(S) 1 SPINDLE ZERK FRONT WHEEL BEARING ZERK 2 2 3 ENGINE GEARSHIFT PIVOTS 1 2 1 3 GENERAL RECOMMENDA TIONS The warranty on this tractor does not cover items that have been subjected to operator abuse or negligence. To receive full value [...]

15 CUST OMER RESPONSIBILITIES 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 [...]

16 CUST OMER 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[...]

17 CUST OMER RESPONSIBILITIES TO SERVICE PRE-CLEANER • Slide foam pre-cleaner off cartridge. • 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 • Gently tap the flat side of the paper cartridge to [...]

18 SER VICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place gearshift lever in NEUTRAL (N) position. • Place attachment clutch in "DISENGAGED" position. • Turn ignition key "OFF" and remove key. • Make sure the blades and all movin[...]

19 SER VICE AND ADJUSTMENTS FRONT-TO-BACK ADJUSTMENT (See Figs. 23 and 24) IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO- SIDE. To obtain the best cutting results, the mower housing should be adjusted so that the front i[...]

20 SER VICE AND ADJUSTMENTS FIG. 26 WITH PARKING BRAKE "ENGAGED" 1-1/2" NUT “A” JAM NUT OPERATING ARM 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 M[...]

21 SER VICE AND ADJUSTMENTS WASHERS RETAINING RING WHEEL COVER SQUARE KEY (REAR WHEEL ONLY) 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 in the Assembly section of this manual. FRONT WHEEL TOE-IN/[...]

SER VICE AND ADJUSTMENTS 22 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 dash. TO REPLACE HEADLIGHT BULB • Raise hood. • Pull bulb holder out of the hole in the backside of the grill. • Replace bulb in holder and push bulb holder securely back [...]

23 SER VICE AND ADJUSTMENTS ENGINE TO ADJUST THROTTLE CONTROL CABLE (See Fig. 31& 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 [...]

24 Immediately prepare your tractor for storage at the end of the season or if the tractor will not be used for 30 days or more. CAUTION: Never store the tractor with gasoline in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure. TRACT OR Remove mower from tractor for w[...]

25 TROUBLESHOOTING POINTS Will not start 1. Out of fuel. 1. Fill fuel tank. 2. Engine not “CHOKED” properly. 2. See “TO START ENGINE” in Operation section. 3. Engine flooded. 3. Wait several minutes before attempting to start. 4. Bad spark plug. 4. Replace spark plug. 5. Dirty air filter. 5. Clean/replace air filter. 6. Dirty fuel filter. 6[...]

26 TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues to run 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not when operator leaves seat corrected, contact an authorized service facility. with attachment clutch engaged Poor cut - uneven 1. Worn, bent or loose blade. 1. Replace blade. [...]

27 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) SCHEMATIC BATTERY G B S L M IGNITION SWITCH FUSE 30 AMP. 2 3 4 IGNITION UNIT SPARK PLUGS RED BLUE BLUE 12.2 VOLT SENSOR OIL PRESSURE SWITCH (ENGINE OFF) HOUR METER HEADLIGHT SWITCH (OFF) HEAD- LIGHTS BLACK BROWN IGNITION SWITCH CIRCUIT POSITION OFF B + L ON B + S + L START M + G S B G [...]

28 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ELECTRICAL DEPRESS FOOT PEDAL DISENGAGE ATTACHMENT CHECK OIL FUEL 22 Comm Harness 141571 21 40 26 51 34 50 29 33 32 31 30 28 61 62 63 35 39 36 36 24 42 43 44 44 23 25 41 19 20 19 20 70 142047 46 47 56 8 9 7 6 3 5 4 2 1 12 11 10 10 TERMINAL COVER, NO WASHER[...]

29 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ELECTRICAL 1 532121537 Battery 2 874760412 Bolt, Hex Head 1/4-20 x 3/4 3 819091016 Washer 9/32 x 5/8 x 16 Gauge 4 810040400 Washer, Lock 1/4 5 532121264 Caps, Battery 6 873220400 Nut, Hex 1/4-20 7 532007697 Tube, Tray, Battery 8 532124886 Tray, Battery 9 532109596 Clamp,[...]

30 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) CHASSIS AND ENCLOSURES 3 2 3 38 39 35 26 26 3 3 13 116 114 118 99 35 26 33 10 34 1 3 11 59 3 3 6 3 3 3 26 99 9 66 114 15 64 99 117 26 63 20 24 26 86 65 16 102 8 30 96 26 126 120 121 122 123 124 26 25 26 36 87 36 36 17 29 28 50 73 119 25 44 3 31 24 24 47 14 5 115 71 90 12[...]

31 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) CHASSIS AND ENCLOSURES 1 532140341 Chassis Weldment 12 ga 38/42 2 532140356 Drawbar Stretch 3 817490612 Screw Thdrol 3/8 - 16 x 3/4 Ty-TT 6 532127543 Saddle Slkscr 8 532126471 Clip Insulator 9 532140452 Dash Black Hole “a” 88 10 872140608 Bolt Carriage 11 532136967 P[...]

32 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) DRIVE 12 14 89 57 90 74 75 78 76 77 1 25 19 24 2 53 46 45 44 35 34 37 36 35 27 19 48 62 36 49 47 26 50 45 59 55 77 42 61 31 58 22 29 28 27 26 6 5 18 19 5 18 6 85 52 30 32 32 30 52 61 11 85 80 4 3 13 88 87 86 81 84 83 82 86 88 87 15 100 52 61 54 8 21 10 38 41 42 40 42 39 [...]

33 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) DRIVE KEY PART NO. NO. DESCRIPTION KEY PART NO. NO. DESCRIPTION 1 532142607 Transaxle 6sp Dana LT Model # 4360-81 2 532110422 Spring Return Brake T/a Zinc 3 532123666 Pulley Transaxle 20"tires 4 812000028 Ring Retainer # 5100-62 5 532121520 Strap Torque 30 Degrees 6[...]

34 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) STEERING ASSEMBLY 5 9 5 7 7 9 4 33 35 34 33 3 34 35 32 43 6 43 8 17 18 19 22 21 20 8 27 23 11 12 24 29 25 5 8 10 12 11 11 38 40 39 1 41 37 36 37 15 8 6 9 46 46 8 6 9 2 47 14 13 47 16 16[...]

35 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) STEERING ASSEMBLY 1 532124415 Wheel Steering Auto Grey 2 532142033 Axle Asm Fr LT W/gzks 38/42 3 532135227 Spindle Asm LH 4 532135228 Spindle Asm RH 5 532124931 Bearing Race Thrust Harden 6 532121748 Washer 25/32 X 1-5/8 X 16 Ga 7 819272016 Washer 27/32 X 1-1/4 X 16 Ga 8[...]

36 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) SEAT ASSEMBLY 11 1 24 16 15 12 13 17 25 8 9 7 8 9 7 27 18 2 28 22 21 5 10 5 14 16 532123740 Spring Cprsn 1 310 Blk Pnt 17 532123976 Nut Lock 1/4 Lge Flg Gr 5 Zinc 18 532124238 Cap Spring Seat 21 532139888 Bolt Shoulder 5/16-18 Unc Blkz 22 873680500 Nut Crown Lock 5/16-18[...]

37 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) DECALS WHEELS & TIRES 5,8 1 2 6 12,13 7 4,10 3,9 11 10 3 8 4 7 5 KEY PART NO. NO. DESCRIPTION 16 17 13 15 1 6 6 14 14 2 9 KEY PART NO. NO. DESCRIPTION KEY PART NO. NO. DESCRIPTION 1 532138956 Decal Instruction Dash Eng/fr 2 532132507 Decal HP Engine 3 532140728 Decal[...]

38 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ENGINE[...]

39 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ENGINE KEY PART NO. NO. DESCRIPTION 1 532137214 Control RH Blk Flg 37 88 2 817720410 Screw Hex Thd Cut 1/4-20x5/8 T 3 - - - - - - - - Engine Model No. MV18-PS 58559 4 532137978 Muffler LT B&S 5 532136215 Tube Manifold LH 6 532136216 Tube Manifold RH 7 532138129 Clamp[...]

40 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) MOWER LIFT ASSEMBLY 15 20 16 17 18 20 20 15 20 4 5 6 2 3 1 6 5 4 7 8 10 21 22 23 24 25 26 27 28 29 30 37 41 35 36 40 38 12 11 31 32 31 32 19 19 13 13 13 13[...]

41 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) MOWER LIFT ASSEMBLY 1 532136971 Wire Asm Inner W/plunger 20 56 2 532136968 Shaft Asm Lift RH w/Inf W/T 3 532138284 Pin Groove 1 500 Zinc 4 812000002 E Ring #5133-62 5 819211621 Washer 21/32 X 1 X 21 Ga 6 532120183 Bearing Nylon Blk 629 Id 7 532125631 Grip Handle Fluted[...]

42 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) 42" MOWER 15 14 12 13 11 10 9 8 16 68 30 31 32 33 35 54 34 55 56 40 40 17 1 46 44 21 22 24 25 26 27 2 28 29 23 21 21 21 18 18 20 19 4 3 5 6 2 21 84 83 36 37 40 85 36 37 37 38 61 59 102 104 103 105 106 103 104 105 106 101 90 90 91 92 93 94 93 92 95 113 117 116 118 [...]

43 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) 42" MOWER KEY PART NO. NO. DESCRIPTION 1 532144393 Deck Asm MWR 42"weldment 2 872140506 Bolt Rdhd Sqnk 5/16-18unc X3/4 3 532138017 Bracket Asm Fr Sway Bar 38/42 4 532138440 Bracket Asm Deck 42"sway Bar 5 532124670 Retainer Spring 6 532130832 Arm Suspensi[...]

REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) DANA TRANSAXLE - - MODEL NUMBER 4360-81 44[...]

45 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) DANA TRANSAXLE - - MODEL NUMBER 4360-81 KEY PART NO. NO. DESCRIPTION 1 532142671 Housing, Upper 2 532002274 Screw, Self-Tapping, Large 1/4-20 x .734 3 532134400 Ball, Detent 4 532105904 Spring, Detent 5 532105905 Screw, Set 6 532134788 Kit, Shifter Assembly 7 532134399[...]

46 15° MAX. SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. CUT OUT ON DOTTED LINES THIS IS A 15° SLOPE SIGHTING  GUIDE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face. Make turns gr[...]

Effective May 1, 1992 W ARRANTY ST A TEMENT (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 wit[...]

954 00 10-82 532145019 07.08.94 Printed in U.S.A.[...]