Husqvarna HUSQVARNA YTH20K46 manual

 YTH20K46 Owner's Manual / 96043003302 / 2008-09[...]

2 I. GENERAL OPERA TION • Read, understand, and follow all instructions on the machine and in the manual before starting. • Do not put hands or feet near rotating parts or under the machine. Keep clear of the discharge opening at all times. • Only allow responsible adults, who are familiar with the in struc tions, to operate the machine. • [...]

3 • Be sure the area is clear of bystanders before operat- ing. Stop machine if anyone enters the area. • Never carry passengers. • Do not mow in reverse unless absolutely necessary . Al ways look down and behind before and while backing. • Never carry children, even with the blades shut off. They may fall off and be seriously injured or in[...]

4 SAFETY RULES ......................................................... 2-3 PRODUCT SPECIFICA TIONS ....................................... 4 CUSTOMER RESPONSIBILITIES ................................. 4 ASSEMBL Y ................................................................. 5-6 OPERA TION ......................................................[...]

5 UNAS SEMBLED P ARTS (2) Keys Slope Sheet Key (1) Oil Drain Tube AS SEMBL Y When right or left hand is mentioned in this man ual, it means when you are in the operating po si tion (seated be hind the steer ing wheel). TO REMOVE TRACTOR FROM CAR TON UNP ACK CARTON • Remove all accessible loose parts and parts cartons from carton. • Cut along da[...]

6 AS SEMBL Y 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 on tires. CHECK DECK LEVELNESS For best cutting results, mower housing should be prop- erly leveled. See “TO LEVEL MOWER HOUSING?[...]

7 OPERA TION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. DANGER, KEEP HANDS AND FEET AWAY FREE WHEEL (Automatic Models only) KEEP AREA CLEAR SLOPE HAZARDS 15 15 (SEE SAFETY RULES SECTION) BATTERY REVERSE FORWARD FAST SLOW ENGINE ON ENGINE OFF FUEL CHOKE MOWER HEIGHT REVERS[...]

8 OPERA TION KNOW Y OUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERA TING YOUR TRACTOR Compare the illustrations with your tractor to familiarize yourself with the locations of various controls and ad just ments. Save this manual for future reference. Our tractors conform to the applicable safety standards of the American Nat[...]

9 OPERA TION The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye dam age. Always wear safety glass es or eye shields while operating your tractor or per form ing any ad just ments or repairs. We rec om mend standard safety glasses or a wide vision safety mask worn over spectacles. TO USE T[...]

10 OPERA TION TO ADJUST MOWER CUT TING HEIGHT (See Fig. 7) The po si tion of the at tach ment lift le ver (A) de ter mines the cut ting height. • Put attachment lift lever in desired cutting height slot. The cutting height range is ap prox i mate ly 1" to 4". The heights are measured from the ground to the blade tip with the engine not [...]

11 OPERA TION FIG. 10 TOWING CARTS AND OTHER A T T ACH MENTS T ow only the attachments that are recommended by and comply with specifications of the manufacturer of your trac- tor . Use common sense when towing. T oo heavy of a load, while on a slope, is dangerous. Tires can lose traction with the ground and cause you to lose control of your tracto[...]

12 CAUTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to sep a ra tion and for ma tion of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. T o avoid engine problems, the fuel system should be emptied before stor age of 30 days or longer . Drain the [...]

13 FIG. 11 MOWING TIPS • Mower should be properly leveled for best mowing performance. See “TO LEVEL MOWER HOUSING” in the Service and Adjustments section of this manual. • The left hand side of mower should be used for trim- ming. • Drive so that clippings are discharged onto the area that has been cut. Have the cut area to the right of [...]

14 MAINTENANCE T R A C T 0 R Inspect Muffler/Spark Arrester Clean Air Filter Change Engine Oil (with oil filter) Replace Air Filter Paper Cartridge Replace Spark Plug Check Engine Oil Level Clean Engine Cooling Fins Clean Air Screen 1 - Change more often when operating under a heavy load or in high ambient temperatures. 2 - Service more often when [...]

15 MAINTENANCE FIG. 12 02544 MANDREL ASSEMBL Y BL ADE BL ADE BOL T (SPECIAL) CENTER HOLE ST AR BA TTERY Y our tractor has a battery charging system which is suf fi cient for normal use. However , periodic charging of the battery with an automotive charger will extend its life. • Keep battery and terminals clean. • Keep battery bolts tight. • [...]

16 MAINTENANCE V -BEL TS Check V -belts for deterioration and wear after 100 hours of operation and replace if necessary . The belts are not ad just able. Re place belts if they begin to slip from wear . TRANSAXLE COOLING The transmission fan and cooling fins should be kept clean to assure proper cooling. Do not attempt to clean fan or transmission[...]

17 CLEAN AIR SCREEN Air screen must be kept free of dirt and chaff to prevent engine dam age from overheating. Clean with a wire brush or compressed air to re move dirt and stubborn dried gum fibers. AIR FIL TER Y our engine will not run properly using a dirty air filter . Service air cleaner more often under dusty conditions. See Engine Manual. EN[...]

18 SERVICE AND ADJUSTMENTS WARNING: TO A VOID SERIOUS INJURY , BEFORE PERFORMING ANY SER VICE OR AD JUST - MENTS: • Depress brake pedal fully and set parking brake. • Place attachment clutch in “DISENGAGED” position. • T urn ignition key to “STOP” and remove key . • Make sure the blades and all moving parts have completely stopped. [...]

19 SERVICE AND ADJUSTMENTS E F C G Q R D K G P B L M A IMPORT ANT : CHECK BEL T FOR PROPER ROUTING IN ALL MOWER PULLEY GROOVES. • Raise attachment lift lever to highest position. • If necessary , adjust gauge wheels before op er at ing mower as shown in the Operation section of this manual. E F H J M FIG. 20 FIG. 21 A B D C FIG. 18 FIG. 19 • [...]

20 SERVICE AND ADJUSTMENTS • If adjustment is necessary , see step in Visual Adjust- ment instructions above. • Recheck measurements, adjust if necessary until both sides are equal. FRONT -TO-BACK ADJUSTMENT (See Figs. 25 & 26) IMPORT ANT : Deck must be level side-to-side. T o obtain the best cutting re sults, the mower blades should be adj[...]

21 SERVICE AND ADJUSTMENTS FIG. 28 TO REPL ACE MOWER BL ADE DRIVE BEL T (See Fig. 27) The mower blade drive belt may be replaced without tools. P ark the tractor on level surface. Engage parking brake. BEL T REMOV AL - • Remove mower from tractor (See “TO REMOVE MOW ER” in this section of manual). • Work belt off both mandrel pulleys and id[...]

22 SERVICE AND ADJUSTMENTS FIG. 29 FIG. 30 RE T AIN ING RING WASH ERS SQUARE KEY (REAR WHEEL ONL Y) AXLE COVER TO REMOVE WHEEL FOR REP AIRS (See Fig. 29) • Block up axle securely . • Remove axle cover , retaining ring and washers to allow wheel removal (rear wheel contains a square key - Do not lose). • Repair tire and reassemble. • On rear[...]

23 SERVICE AND ADJUSTMENTS TO REPL ACE 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 into the hole in the backside of the grill. • Close hood. TO REMOVE HOOD AND GRILL ASSEMBL Y (See Fig. 32) • Raise hood. • Unsnap headlight wire [...]

24 STORAGE Immediately prepare your tractor for storage at the end of the season or if the tractor will not be used for 30 days or more. WARNING: Never store the trac tor with gas o line in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any en clo sure. TRACTOR Remove mower from t[...]

25 TROUBLESHOOTING POINTS Will not start 1. Out of fuel. 1. Fill fuel tank. 2. Engine not “CHOKED” properly . 2. See “TO ST ART ENGINE” in Operation section. 3. Engine flooded. 3. W ait several minutes before attempting to start. 4. Bad spark plug. 4. Replace spark plug. 5. W eak or dead battery . 5. Recharge or replace battery . 6. Dirty a[...]

26 TROUBLESHOOTING POINTS Engine dies when 1. Reverse operation system 1. T urn ignition key to tractor is shifted (ROS) is not "ON" while ROS "ON" position. into reverse mower or other attachment See Operation section. is engaged. Engine continues to run 1. F aulty operator-safety presence control system. 1. Check wiring, switc[...]

27 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 SCHEMA TIC M FUSE ST ARTER SOLENOID BA TTERY CLUTCH/BRAKE (PEDAL UP) REVERSE SWITCH (NOT IN REVERSE) SEA T SWITCH (NOT OCCUPIED) SHORTING CONNECTOR CHASSIS HARNESS IGNITION UNIT HOUR METER CHASSIS HARNESS CONNECTOR (MA TING SIDE) DASH HARNESS CONNECTOR (MA TING SIDE) LIGH[...]

28 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 ELECTRICAL 30 33 34 22 79 21 41 42 26 43 27 40 71 16 87 25 T04S 90 28 55 With 12V Outlet Option 59 103 With Service Minder Option 46 46 29 2 141[...]

29 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 ELECTRICAL KEY P ART NO . NO. DESCRIPTION 1 532 16 34-65 Battery 2 874 76 04-12 Bolt Hex Head 1/4-20 x 3/4 8 532 19 32-28 Box Battery 16 532 17 61-38 Switch Interlock Push-In 21 532 18 37-59 Harness Socket Light w/4152J 22 532 00 41-52 Bulb Light 25 532 41 28-95 Cable Sta[...]

30 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 CHASSIS 181 181 175 177 150 130 178 195 239 238 3 194 194 36 162 37 36 14 25 207 208 15 211 209 210 212 203 204 205 206 214 202 234 234 68 68 213 218 52 217 137 137 5 176 180 182 176 176 176 58 189 189 130 130 18 68 68 68 68 183 183 236 236 34 235 235 228 228 194 chassis-[...]

31 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 CHASSIS KEY P ART NO . NO . DESCRIPTION 3 532 40 50-12 Logo 5 532 40 87-03 Dash Asm. Husq. 14 532 41 10-46 Hood 15 532 19 89-07 Lens LH 18 532 40 86-07 Grille Asm. 25 532 19 89-06 Lens RH 34 532 19 61-25 Plate Engine 36 817 06 05-12 Screw 5/16-18 x 3/4 37 532 41 87-14 F e[...]

32 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 DRIVE 185 51 231 170 161 183 205 205 Drive-te x_T2_pedal_13 2 1 2 37 33 73 73 99 11 6 11 6 114 125 80 125 125 121 122 186 189 49 187 50 51 190 52 51 64 188 35 184 167 160 42 221 210 211 166 211 17 214 215 153 222 153 29 15 159 159 11 6 11 6 163 56 208 125 213 221 216 143 [...]

33 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 DRIVE KEY P ART NO . NO. DESCRIPTION KEY P ART NO . NO. DESCRIPTION 1 - - - - - - - - - T ransaxle, Hydro T2 PCH 18 (Internal P arts Not Available) 2 532 12 35-83 K ey 15 819 13 13-16 W asher 13/32 x 13/16 x 16 Ga. 17 532 19 72-96 Spring, Brake 26 532 19 96-79 Spring Retu[...]

34 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 STEERING ASSEMBL Y KEY P ART NO . NO . DESCRIPTION 1 532 42 34-69 Wheel, Steering 2 532 19 59-68 Axle Asm., F ront 4 532 40 30-87 Spindle Asm., LH 5 532 40 30-88 Spindle Asm., RH 6 532 12 49-31 Washer Thrust .75 x 1.230 7 532 12 17-48 Washer 25/32 x 1-5/8 x 16 Ga. 8 812 0[...]

35 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 ENGINE KEY P ART NO . NO . DESCRIPTION NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm For engine service and replacement parts, call the toll free number for your engine manufacturer listed below: Kohler Co. 1-800-544-2444 1 - - - - - - Engine K ohle[...]

36 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 SEA T ASSEMBL Y 1 532 40 66-21 Seat 2 532 18 01-66 Bracket Pivot F ender 3 532 14 06-75 Strap, Asm F ender 6 873 80 06-00 Nut, Lock w/Ins. 3/8-16 unc 7 532 12 41-81 Spring, Seat Cprsn 8 532 17 18-77 Bolt 5/16-18 unc x 3/4 w/Sems 10 532 19 69-77 Pan, Seat 21 532 17 18-52 B[...]

37 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 DECALS NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm KEY P ART NO . NO . DESCRIPTION 6 2 1 3 11 4 10 5 9 8 7 wheel_art_1-tex WHEELS AND TIRES KEY P ART NO . NO . DESCRIPTION KEY P ART NO . NO . DESCRIPTION 1 532 05 91-92 Cap V alve Tire 2 532 06 51-[...]

38 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 MOWER DECK 70 7 7 37 67 152 30 43 42 60 38 63 46 147 55 64 30 32 31 33 200 34 56 57 59 40 188 1 69 69 199 40 145 15 14 21 25 26 27 198 29 21 21 68 23 24 144 36 62 57 19 19 6 6 11 7 11 6 40 11 9 11 7 11 9 11 6 40 195 122 123 195 189 113 47 189 188 21 21 69 69 69 21 30 38 5[...]

39 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 MOWER DECK KEY P ART NO . NO . DESCRIPTION NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm 1 532 41 08-63 Mower Housing 2 532 40 55-06 Cover Mandrel RH 3 532 40 55-07 Cover Mandrel LH 6 532 19 51-86 Arm Suspension 7 532 41 63-58 Screw #10 x 0.750 8 53[...]

40 TRACTOR - - MODEL NUMBER YTH20K46 (96043003302), PRODUCT NO . 960 43 00-33 MOWER LIFT 2 532 19 52-23 Shaft Asm., Lift 3 532 19 52-31 Lever Asm., Lift RH 7 532 41 15-55 Grip, Lever 10 532 19 63-14 Spring T orsion 87 532 19 42-09 Pin Cotter 7/16 Bow Tie Lock 88 532 41 07-10 Spring Lift Assist 89 819 19 19-12 Washer Clear Zinc KEY P ART NO . NO . D[...]

41 SERVICE NOTES[...]

42 SERVICE NOTES[...]

SECTION 1: LIMITED WARRANTY Husqvarna Professional Products, Inc (“Husqvarna”) warrants the original purchaser the Husqvarna branded product to which this warranty apply (the “Product”) that the Product shall be free from defects in material and workmanship from the date of purchase for the period of the applicable “Warranty Schedule” o[...]

† Refer to Section 3 for items not covered by this warranty *All consumer product use must have been limited to the owner s residence. Warranted for noncommercial, nonprofessional, noninstitutional and nonincome producing use. **HUV 2 Year or 2,000 Hour Powertrain (The engine assembly, unitized transaxle assembly (gasoline vehicle), motor, and ma[...]

532 42 34-98 09.24.08 SBW Printed in the U.S.A.[...]