Husqvarna YTH21K46 manuale d’uso

YTH21K46 Owner's Manual / 96045002100 / 2009-08 532 43 00-99[...]

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 Y our new tractor has been assembled at the factory with the exception of those parts left unassembled for shipping purposes. FIG. 2 FIG. 1 ADJUST SEA T (See Fig. 2) • Sit in seat. • Lift up adjustment lever (A) and slide seat until a com- fortable position is reached [...]

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 properly 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. W e rec om mend standard safety glasses or a wide vision safety mask worn over spectacles. TO USE [...]

10 OPERA TION TO ADJUST MOWER CUT TING HEIGHT (See Fig. 8) 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. 12 TO TRANSPORT (See Figs. 3 and 12) When pushing or towing your tractor , be sure to disengage transmission by placing freewheel control in free wheel ing po si tion. F ree wheel control is located at the rear drawbar of tractor . • Raise attachment lift to highest position with at tach ment lift control. • Pull freewheel co[...]

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. 13 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 ➀ General Purpose Grease ➁ Refer to Maintenance “ENGINE” Section 01965 ➁ ENGINE ➀ FRONT WHEEL BEARING ZERK ➀ STEERING SECTOR GEAR TEETH ➀ FRONT WHEEL BEARING ZERK ➀ SPINDLE ZERK ➀ SPINDLE ZERK T R A C T 0 R 1 - Change more often when operating under a heavy load or in high ambient temperatures . 2 - Service more o[...]

15 MAINTENANCE TRACTOR Always observe safety rules when per form ing any main te nance. BRAKE OPERA TION If tractor requires more than five (5) feet to stop at highest speed in high est gear on a level, dry concrete or paved surface, then brake must be checked and ad just ed. (See “TO CHECK BRAKE” in the Ser vice and Ad just ments section of th[...]

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 MAINTENANCE CL AMP FUEL FIL TER FIG. 17 SP ARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting are shown in “PROD UCT SPECIFICA TIONS” section of this manual. IN-LINE FUEL FIL TER (See Fig. 17) The fuel filter should be replaced on[...]

18 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. • Disconnect spark plug[...]

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. 23 Fig. 24 A B D C Fig. 21 Fig. 22 • [...]

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. 28 & 29) IMPORT ANT : Deck must be level side-to-side. T o obtain the best cutting re sults, the mower blades should be adj[...]

21 FIG. 30 FIG. 31 TO REPL ACE MOWER BL ADE DRIVE BEL T (See Fig. 30) 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 idler pulleys. •[...]

22 FIG. 32 RE T AIN ING RING WASH ERS SQUARE KEY (REAR WHEEL ONL Y) AXLE COVER TO ST ART ENGINE WITH A WEAK BA TTERY (See Fig. 33) WARNING : Lead-acid batteries gen- er ate ex plo sive gases. Keep sparks, flame and smoking ma te ri als away from bat ter ies. Always wear eye pro tec tion when around batteries. If your battery is too weak to start th[...]

23 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. INTERL OCKS AND REL A YS Loose or damaged wiring may cause your tractor to run poorly , stop running, or prevent it[...]

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 PROBLEM CAUSE CORRECTION 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. Wait several minutes before attempting to start. 4. Bad spark plug. 4. Replace spark plug. 5. Dirty air filter . 5. Clean/replace air fil[...]

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

27 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 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 YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 ELECTRICAL 30 33 34 22 79 21 41 42 26 43 27 40 71 16 87 25 T06S 90 28 55 With 12V Outlet Option 59 103 With Service Minder Option 46 46 102 29 2 105[...]

29 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 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 YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 CHASSIS                  chassis-tex_TEX GT HUSQ_68         ?[...]

31 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 CHASSIS KEY P ART NO . NO. DESCRIPTION 3 532 40 50-12 Logo 5 532 40 87-03 Dash 14 532 41 10-46 Hood 15 532 19 89-07 Lens LH 18 532 40 86-07 Grille/Lens 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 ender 52[...]

32 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 DRIVE 231 51 170 225 125 drive-tex_K46_pedal_48 2 2 73 73 33 205 1 116 33 230 230 183 183 205 116 64 188 161 35 184 167 160 42 29 15 159 159 221 186 189 49 187 50 51 52 51 190 185 125 226 125 125 80 125 208 210 214 125 215 153 166 211 211 222 17 163 153 99 216 143 185 56 [...]

33 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 DRIVE NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm 1 532 42 61 - 20 T ransaxle, T ufftorq K46BT 2 532 12 35-83 Key Square 15 819 13 13-16 Washer 13/32 x 13/16 x 16 Ga. 17 532 41 36-78 Spring, Brake 26 532 19 96-79 Spring Return Cruise 29 532 40 38-[...]

34 1 12 42 9 30 !2+ª !22%34%2ª+)4 92 45 97 96 85 90 37 28 29 37 21 20 94 95 69 ENGINETEX?+OHL? 18 15 2 87 81 82 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 ENGINE[...]

35 KEY P ART NO . NO. DESCRIPTION NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm 1 - - - - - - Engine K ohler Model No. SV610-0212 2 532 18 86-55 Muffler 9 532 19 43-20 Keeper Belt Engine 12 532 40 54-72 Pulley Engine 15 532 40 74-89 T ank F uel 18 532 42 51-62 Cap Asm 20 532 40 15-08 Control Throttle 21 532 41 63-58 Screw # 1[...]

36 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 STEERING ASSEMBL Y STEERINGTEX?(531(2?                                      ?[...]

37 KEY P ART NO . NO. DESCRIPTION 1 532 41 64-80 Wheel, Steering 2 532 19 59-68 Axle Cast Iron 4 532 40 30-87 Spindle Asm., LH 5 532 40 30-88 Spindle Asm., RH 6 532 12 49-31 Washer , Thrust 7 532 12 17-48 Washer 25/32 x 1-5/8 x 16 Ga. 8 812 00 00-29 Ring, Klip #T5304-75 9 532 12 12-32 Cap, Spindle 13 532 12 17-49 Washer 25/32 x 1-1/4 x 16 Ga. 14 81[...]

38 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 MOWER DECK 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 26 27 198 29 21 21 68 23 24 144 36 240 57 19 19 6 6 195 122 123 195 189 113 11 3 47 189 188 21 21 69 69 69 21 30 38 56 69 13 11 8 46_tex_lt_pred_11_r1 197 25 242 241 2[...]

39 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 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 YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 MOWER LIFT 7 3 87 10 88 2 89 90 87 98 97 97 lift-tex_16_r3 91 87 100 89 87 101* *Key 91 may be substituted for Key 101 2 532 42 20-27 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 [...]

41 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 SEA T ASSEMBL Y 1 532 42 40-68 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[...]

42 TRACTOR - - MODEL NUMBER YTH21K46 (96045002100), PRODUCT NO . 960 45 00-21 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 51-39 [...]

43 15 DEGREES MAX. FOLD ALONG DOTTED LINE THIS IS A 15 DEGREE SLOPE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION WARNING: To avoid serious injury, operate your tractor up and down the face of slopes, never across the face. Do not mow slopes greater than 15 degrees. Make turns gradually to preven[...]

08.18.09 CL Printed in the U.S.A.[...]