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Husqvarna YTH20K46 - page 1
YTH20K46 Owner's Manual / 96043003301 / 2008-10 ...
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Husqvarna YTH20K46 - page 2
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. • ...
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Husqvarna YTH20K46 - page 3
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 ...
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Husqvarna YTH20K46 - page 4
4 SAFETY RULES ......................................................... 2-3 PRODUCT SPECIFICA TIONS ....................................... 4 CUSTOMER RESPONSIBILITIES ................................. 4 ASSEMBL Y ................................................................. 5-6 OPERA TION ...................................................... ...
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Husqvarna YTH20K46 - page 5
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 ...
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Husqvarna YTH20K46 - page 6
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? ...
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Husqvarna YTH20K46 - page 7
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 ...
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Husqvarna YTH20K46 - page 8
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 ...
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Husqvarna YTH20K46 - page 9
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 ...
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Husqvarna YTH20K46 - page 10
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 ...
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Husqvarna YTH20K46 - page 11
11 OPERA TION FIG. 10 FIG. 11 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 you ...
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Husqvarna YTH20K46 - page 12
12 OPERA TION TO ST ART ENGINE (See Fig. 3) When starting the engine for the first time or if the engine has run out of fuel, it will take extra cranking time to move fuel from the tank to the engine. • Be sure freewheel control is in the transmission en- gaged position. • Sit on seat in operating position, depress brake pedal and set parking b ...
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Husqvarna YTH20K46 - page 13
13 FIG. 12 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 ...
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Husqvarna YTH20K46 - page 14
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 ...
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Husqvarna YTH20K46 - page 15
15 MAINTENANCE FIG. 14 FIG. 13 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 tig ...
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Husqvarna YTH20K46 - page 16
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 ...
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Husqvarna YTH20K46 - page 17
17 MAINTENANCE MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or dam- age. 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 ...
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Husqvarna YTH20K46 - page 18
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. ...
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Husqvarna YTH20K46 - page 19
19 SERVICE AND ADJUSTMENTS D C G E F M L K R Q A P G B • A TT ACH REAR LIF T LINKS (C) - Lift rear corner of mower and position slot in link assembly over pin (D) on rear mower bracket and secure with washer and retainer spring. • Hook end of clutch cable spring (Q) into hole in idler arm (R). • Push clutch cable housing guide (P) into bracke ...
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Husqvarna YTH20K46 - page 20
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 and 26) IMPORT ANT : Deck must be level side-to-side. T o obtain the best cutting re sults, the mower blades should be adj ...
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Husqvarna YTH20K46 - page 21
21 SERVICE AND ADJUSTMENTS TO REPL ACE MOWER DRIVE BEL T (See Fig. 27) MOWER DRIVE BEL T REMOV AL • P ark tractor on a level surface. En gage parking brake. • Lower attachment lift lever to its lowest position. • Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface. • Remove belt from e ...
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Husqvarna YTH20K46 - page 22
22 SERVICE AND ADJUSTMENTS FIG. 29 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. 30) 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 ...
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Husqvarna YTH20K46 - page 23
23 SERVICE AND ADJUSTMENTS FIG. 31 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 headlig ...
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Husqvarna YTH20K46 - page 24
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 ...
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Husqvarna YTH20K46 - page 25
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 ...
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Husqvarna YTH20K46 - page 26
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 ...
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Husqvarna YTH20K46 - page 27
27 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 ...
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Husqvarna YTH20K46 - page 28
28 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), PRODUCT NO . 960 43 00-33 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 ...
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Husqvarna YTH20K46 - page 29
29 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 ...
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Husqvarna YTH20K46 - page 30
30 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), PRODUCT NO . 960 43 00-33 CHASSIS 165 181 181 175 177 150 130 178 195 239 238 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 chas ...
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Husqvarna YTH20K46 - page 31
31 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 ...
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Husqvarna YTH20K46 - page 32
32 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), PRODUCT NO . 960 43 00-33 DRIVE ª ? ...
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Husqvarna YTH20K46 - page 33
33 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), PRODUCT NO . 960 43 00-33 DRIVE KEY P ART NO . NO . DESCRIPTION KEY P ART NO . NO . DESCRIPTION NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm 1 532 40 53-84 T ransaxle, TUFF TORQ K46 (Order Parts from T ransaxle Manufacturer) 2 532 12 35-83 Key Square 15 819 13 13-16 Washer ...
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Husqvarna YTH20K46 - page 34
34 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), PRODUCT NO . 960 43 00-33 STEERING ASSEMBL Y KEY P ART NO . NO . DESCRIPTION 1 532 19 39-43 Wheel, Steering 2 532 18 47-06 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 Bearing, Race Thrust Harden 7 532 12 17-48 Washer 25/32 x 1-5/8 x 16 Ga. 8 812 ...
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Husqvarna YTH20K46 - page 35
35 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 ...
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Husqvarna YTH20K46 - page 36
36 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), PRODUCT NO . 960 43 00-33 SEA T ASSEMBL Y 1 532 19 75-18 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 ...
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Husqvarna YTH20K46 - page 37
37 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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- ...
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Husqvarna YTH20K46 - page 38
38 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 36 240 57 19 19 6 6 195 122 123 195 189 113 47 189 188 21 21 69 69 69 21 30 38 208 56 69 13 11 8 46_tex_lt_pred_17_ ...
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Husqvarna YTH20K46 - page 39
39 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 ...
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Husqvarna YTH20K46 - page 40
40 TRACTOR - - MODEL NUMBER YTH20K46 (96043003301), 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 ...
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Husqvarna YTH20K46 - page 41
41 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 ...
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Husqvarna YTH20K46 - page 42
42 SERVICE NOTES ...
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Husqvarna YTH20K46 - page 43
43 SERVICE NOTES ...
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Husqvarna YTH20K46 - page 44
532 41 91-66 Rev . 3 10.09.08 SBW Printed in U.S.A. ...
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