Husqvarna YTH20B42T manual

03002 YTH20B42T Owner's Manual[...]

2 I. GENERAL OPERA TION • Read, understand, and f ollow all instructions on the machine and in the manual bef ore star ting. • Do not put hands or f eet near rotating par ts or under the machine. K eep clear of the discharge opening at all times. • Only allow responsible adults, who are f amiliar with the in struc tions, to operate the machin[...]

3 • Be sure the area is clear of bystanders bef ore operat- ing. Stop machine if anyone enters the area. • Nev er carr y passengers. • Do not mow in re verse unless absolutely necessar y . Al wa ys look down and behind bef ore and while back- ing. • Nev er carr y children, e ven with the blades shut off . They ma y fall off and be seriously[...]

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

5 UNASSEMBLED P AR TS (2) Keys Slope Sheet Key (1) Oil Drain Tube ASSEMBL Y When right or left hand is mentioned in this man ual, it means when you are in the oper ating po si tion (seated be hind the steer ing wheel). T O REMO VE TRA CT OR FR OM CAR TO N UNP A CK CART ON • Remov e all accessible loose par ts and par ts car tons from car ton. •[...]

6 ASSEMBL Y CHECK TIRE PRESSURE The tires on your tr actor were ov er infl ated at the f actor y f or shipping pur poses. Correct tire pressure is impor tant f or best cutting performance. • Reduce tire pressure to PSI shown on tires. CHECK DECK LEVELNESS F or best cutting results, mower housing should be properly le veled. See “T O LEVEL MOWE[...]

7 OPERA TION These symbols ma y appear on your tractor or in literature supplied with the product. Lear n and understand their mean- ing. 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 RE[...]

8 OPERA TION KNO W Y OUR TRA CT OR READ THIS O WNER'S MANU AL AND SAFETY RULES BEFORE OPERA TING Y OUR TRA CT OR Compare the illustrations with y our tractor to familiarize y ourself with the locations of various controls and ad just ments. Sav e this manual f or future reference . Our tractors conf or m to the applicable saf ety standards of [...]

9 OPERA TION FIG. 4 The operation of any tractor can result in f oreign objects thrown into the e yes, which can result in severe e ye dam age. Al ways wear safety glass es or eye shields while operating y our tractor or per fo rm ing any ad justments or repairs. We rec ommend standard safety glasses or a wide vision safety mask w orn over spectacl[...]

10 OPERA TION T O ADJUST MO WER CUT TING HEIGHT (See Fig. 8) The po si tion of the at tach ment lift le v er (A) de ter mines the cut ting height. • Put attachment lift lev er in desired cutting height slot. The cutting height range is ap pro x i mate ly 1" to 4". The heights are measured from the ground to the b lade tip with the engin[...]

11 OPERA TION FIG. 11 T O WING CARTS AND O THER A T TA C H MENTS T ow only the attachments that are recommended b y and comply with specifi cations of the manufacturer of y our 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 y ou to lose control of y[...]

12 CA UTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to sep aration and for mation of acids during storage. Acidic gas can dama g e the fuel system of an engine while in storage. T o avoid engine pr oblems, the fuel system should be emptied before stor age of 30 days or longer . Drain the[...]

13 FIG. 12 MO WING TIPS • Mower should be properly le veled f or best mowing per- f or mance. See “T O LEVEL MOWER HOUSING” in the Ser vice and Adjustments section of this manual. • The left hand side of mower should be used f or trim- ming. • Drive so that clippings are discharged onto the area that has been cut. Hav e the cut area to th[...]

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. 13 02544 MANDREL ASSEMBL Y BLADE BLADE BOL T (SPECIAL) CENTER HOLE ST AR B A TTER Y Y our tractor has a batter y charging system which is suf fi cient f or nor mal use. Howe ver , periodic charging of the batter y with an automotiv e charger will extend its lif e. • K eep batter y and ter minals clean. • K eep batter y bolt[...]

16 MAINTENANCE V- B E LT S Check V -belts f or deter ioration 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 w ear . TRANSAXLE COOLING The transmission f an and cooling fi ns should be kept clean to assure proper cooling. Do not attempt to clean f an or tr[...]

17 MAINTENANCE MUFFLER Inspect and replace corroded muffl er and spark arrester (if equipped) as it could create a fi re hazard and/or dam- age. SP ARK PLUGS Replace spark plugs at the beginning of each mowing season or after e very 100 hours of operation, whichev er occurs fi rst. Spar k plug type and gap setting are shown in “PROD UCT SPECIF[...]

18 SER VICE AND ADJUSTMENTS FIG. 17 W ARNING: T O A V OID SERIOUS INJUR Y , BEFORE PERFORMING ANY SER VICE OR AD JUST - MENTS: • Depress brake pedal fully and set parking brake. • Place attachment clutc h in “DISENGA GED” position. • T urn ignition key to “ST OP” and remove ke y . • Make sure the blades and all moving parts have com[...]

19 SER VICE AND ADJUSTMENTS A B C D FIG. 18 FIG. 19 • A TT A CH REAR LIFT LINKS (C) - Lift rear cor ner of mower and position slot in link assemb ly ov er pin on rear mower br ack et (D) and secure with washer and retainer spring. • Repeat on opposite side of tractor . • A TT A CH FRONT LINK (E) - W or k from left side of trac- tor . Inser t [...]

20 SER VICE AND ADJUSTMENTS 02966 A A 02548 B B NO TE: Each full tur n of the adjustment nut will change mower height about 1/8". • Recheck measurements, adjust if necessary until front tip of blade is 1/8" to 1/2" lo wer than the rear tip . • Hold adjustment nut in position with wrench and tighten jam nut securely against adjust[...]

21 SER VICE AND ADJUSTMENTS T O REPLA CE MO TION DRIVE BEL T (See Fig. 27) P ark the tractor on lev el surface . En gage parking brake. F or as sis tance, there is a belt installation guide decal on bottom side of left f ootrest. BEL T REMO V AL - • Remov e mower (See “TO RE MO VE MOWER” in this section of manual). NO TE: Obser ve entire moti[...]

22 SER VICE AND ADJUSTMENTS FIG. 28 RET AIN ING RING WA S H ERS SQU ARE KEY (REAR WHEEL ONL Y) AXLE CO VER T O ST ART ENGINE WITH A WEAK B A TTER Y (See Fig. 29) W ARNING : Lead-acid batteries g en- erate ex plosive gases. K eep sparks, fl ame and smoking ma terials awa y from batteries. Alwa ys wear eye pro tection when around batteries. If your [...]

23 SER VICE AND ADJUSTMENTS T O REMO VE HOOD AND GRILL ASSEMBL Y (See Fig. 31) • Raise hood. • Unsnap headlight wire connector . • Stand in front of tractor . Grasp hood at sides, tilt to ward engine and lift off of tractor . • T o replace, re verse abo ve procedure . 02778 HEADLIGHT WIRE CONNECT OR HOOD ENGINE T O AD JUST THRO TTLE CON TRO[...]

24 ST ORA GE Immediately prepare your tr actor for storage at the end of the season or if the tractor will not be used f or 30 days or more. W ARNING: Never store the trac tor with gasoline in the tank inside a building where fumes may reac h an open fl ame or spark. Allow the engine to cool before storing in any en cl o sure . TRA CT OR Remov e m[...]

25 TR OUBLESHOO TING POINTS Will not start 1. Out of fuel. 1. Fill fuel tank. 2. Engine not “CHOKED” proper ly . 2. See “T O ST ART ENGINE” in Operation section. 3. Engine fl ooded. 3. W ait sev eral minutes bef ore attempting to star t. 4. Bad spar k plug. 4. Replace spark plug. 5. Weak or dead battery . 5. Recharge or replace batter y . [...]

26 TR OUBLESHOO TING POINTS Engine dies when 1. Rev erse operation system 1. T ur n ignition ke y 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. Chec k wir ing[...]

27 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 SCHEMA TIC M FUSE ST ARTER SOLENOID BA TTER Y ELECTRIC CLUTCH CLUTCH/BRAKE (PED AL UP) REVERSE SWITCH (NO T IN REVERSE) SEA T SWITCH (NO T OCCUPIED) SHORTING CONNECT OR CHASSIS HARNESS IGNITION UNIT HOUR METER CHASSIS HARNESS CONNECT OR (MA TING SIDE) D ASH HARNESS CO[...]

28 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 ELECTRICAL 30 33 24 42 40 26 28 71 194276D 29 34 43 25 27 41 50 22 21 16 Battery _ 28 8 1 99 100 91 2 27 55 46 46[...]

29 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 ELECTRICAL KEY P ART NO . NO . DESCRIPTION 1 532 13 64-65 Batter y 2 874 76 04-12 Bolt He x Head 1/4-20 x 3/4 8 532 18 64-91 Bo x Batter y 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 24 532 40 02-53 [...]

30 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 CHASSIS 37 181 181 194 36 184 183 152 159 2 180 162 196 159 230 68 222 chassis-tex_49-lt husq 217 138 99 159 165 14 214 130 130 182 176 176 176 175 178 150 202 203 204 210 208 18 15 25 207 211 209 212 130 5 177 176 176 205 206 195 102 219 194 219 161[...]

31 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 CHASSIS KEY P ART NO . NO . DESCRIPTION 2 532 19 42-63 Dra wbar 5 532 40 32-05 Dash 14 532 40 18-24 Hood 15 532 19 89-07 Lens LH 18 532 40-48-21 Grille/Lens Asm. 25 532 19 89-06 Lens RH 36 817 06 05-12 Screw 5/16-18 x 3/4 37 532 40 57-89 Fender 68 817 49 05-08 Screw T[...]

32 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 DRIVE 56 213 171 197 196 206 26 207 209 186 189 49 187 50 51 52 51 190 51 52 208 210 170 64 185 188 17 161 35 184 167 160 160 42 163 214 125 215 92 125 153 125 226 125 125 80 125 29 159 15 159 116 221 221 225 125 116 2 2 73 73 33 205 1 116 33 230 230 183 183 205 153 d[...]

33 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 DRIVE KEY P ART NO . NO . DESCRIPTION KEY P ART NO . NO . DESCRIPTION NO TE: All component dimensions given in U .S. inches 1 inch = 25.4 mm 1 - - - - - - T ransaxle , TUFFTORQ K46 (Order Parts from T ransaxle Manu- f acturer) 2 532 12 35-83 K ey 15 819 13 13-16 W ash[...]

34 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 STEERING ASSEMBL Y 6 55 5 13 13 53 8 9 9 8 8 7 7 62 4 35 16 19 63 63 57 60 59 58 28 13 22 64 50 50 70 65 68 69 67 54 67 66 54 65 15 15 14 14 21 51 26 1 45 61 55 2 6 steering-tex_5-vgt KEY P ART NO . NO . DESCRIPTION 1 532 19 39-43 Wheel, Steering 2 532 19 59-68 Axle A[...]

35 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 ENGINE KEY P ART NO . NO . DESCRIPTION NO TE: All component dimensions giv en in U .S. inches 1 inch = 25.4 mm F or engine ser vice and replacement par ts, call the toll free number f or your engine manuf acturer listed below: Briggs & Stratton 1-800-233-3723 K oh[...]

36 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 SEA T ASSEMBL Y 1 532 19 75-18 Seat 2 532 18 01-66 Brac ket Piv ot Fender 3 532 14 06-75 Strap , Asm F ender 5 532 14 50-06 Clip , Push In, Hinged 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 uncx 3/4 w/Sems [...]

37 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 DECALS NO TE: 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 4 1 532 05 91-92 Cap V alve Tire 2 53[...]

38 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 MO WER DECK 15 14 13 11 8 16 68 30 31 32 33 145 190 34 55 56 57 62 188 189 1 69 21 21 21 69 69 20 59 40 19 19 6 6 42_D_elec-T ex_8 21 24 25 26 27 29 23 189 188 36 40 117 116 40 196 117 196 116 40[...]

39 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 MO WER DECK KEY P ART NO . NO . DESCRIPTION KEY P ART NO . NO . DESCRIPTION NO TE: All component dimensions given in U .S. inches 1 inch = 25.4 mm 1 532 40 29-99 Mower Housing 6 532 19 51-86 Arm Suspension 8 532 19 30-03 Bolt/W asher asm 7/16-20 unf 11 532 13 89-71 Bl[...]

40 TRA CT OR - - MODEL NUMBER YTH20B42T (96043002002), PR ODUCT NO . 960 43 00-20 MO WER LIFT 7 3 87 10 88 2 89 90 87 98 97 97 91 lift-tex_4 2 532 19 52-23 Shaft Asm., Lift 3 532 19 52-31 Le ver Asm., Lift Rh 7 532 19 64-92 Grip, Le ver 10 532 19 63-14 Spring T orsion 87 532 19 42-09 Pin Cotter 7/16 Bow Tie Lock 88 532 19 53-03 Spring Lift Assist 8[...]

41 SER VICE NO TES[...]

42 15 DEGREES MAX. FO LD ALONG DOTTED LINE THIS IS A 15 DEG REE SLO PE 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 pre[...]

43 SECTION 1: LIMITED W ARRANTY Husqvarna Forest & Garden Compan y (“Husqvarna”) warrants Husqvarna product to the original purchaser to be free from defects in material and workmanship from the date of purchase for the “Warr anty Period” of the product as set forth below: Lifetime W arranty: All tiller tines against breakage, trimmer s[...]

532 40 57-49 03.15.06 TR Printed in U.S .A.[...]