Husqvarna LTH1842 TWIN, Owner'S Manual

Page 1: ...03002 LTH1842 Owner s Manual ...

Page 2: ...ing brake stop engine and remove keys before dismounting Disengage blades when not mowing Shut off engine and wait for all parts to come to a complete stop before cleaning the machine removing the grass catcher or unclogging the discharge guard Operate machine only in daylight or good artificial light Do not operate the machine while under the influence of alcohol or drugs Watch for traffic when o...

Page 3: ...ach towed equipment except at the hitch point Follow the manufacturer s recommendation for weight limits for towed equipment and towing on slopes Never allow children or others in or on towed equip ment On slopes the weight of the towed equipment may cause loss of traction and loss of control Travel slowly and allow extra distance to stop V SERVICE SAFE HANDLING OF GASOLINE To avoid personal injur...

Page 4: ...ined technicians and the proper tools to service or repair this tractor Please read and retain this manual The instructions will enable you to assemble and maintain your tractor properly Always observe the SAFETY RULES CUSTOMER RESPONSIBILITIES Read and observe the safety rules Follow a regular schedule in maintaining caring for and using your tractor Follow the instructions under Maintenance and ...

Page 5: ...ry for minimum of one hour at 6 10 amps See BATTERY in Maintenance section of this manual for charging instructions L FIG 2 INSTALL SEAT See Fig 2 Adjust seat before tightening adjustment knob Remove adjustment knob and cup washer securing seat to cardboard packing and set aside Remove seat from the cardboard packing and set seat aside Remove the cardboard packing and discard Place seat on seat pa...

Page 6: ... in the Operation section of this manual WHILE LEARNING HOW TO USE YOUR TRACTOR PAY EXTRA ATTENTION TO THE FOLLOWING IMPORTANT ITEMS Engine oil is at proper level Fuel tank is filled with fresh clean regular unleaded gasoline Become familiar with all controls their location and function Operate them before you start the engine Be sure brake system is in safe operating condition Be sure Operator Pr...

Page 7: ...entify safety inform ation about hazards which can result in death serious injury and or property damage DANGER indicates a hazard which if not avoided will result in death or serious injury WARNING indicates a hazard which if not avoided could result in death or serious injury CAUTION indicates a hazard which if not avoided might result in minor or moderate injury CAUTION when used without the al...

Page 8: ...Locks clutch brake pedal into the brake position D THROTTLE CONTROL Used to control engine speed E ATTACHMENT CLUTCH SWITCH Used to engage the mower blades or other attachments mounted to your tractor F IGNITION SWITCH Used for starting and stopping the engine G REVERSE OPERATION SYSTEM ROS ON POSITION Allows operation of mower or other powered attachment while in reverse H LIGHT SWITCH Turns the ...

Page 9: ...To stop mower blades push attachment clutch switch in to disengaged position o GROUND DRIVE To stop ground drive depress brake pedal all the way down ENGINE Move throttle control D between half and full speed fast position NOTE Failure to move throttle control between half and full speed fast position before stopping may cause en gine to backfire Turn ignition key F to STOP position and remove key...

Page 10: ...surface Adjust mower to desired cutting height See TO AD JUST MOWER CUTTING HEIGHT in this section of manual With mower in desired height of cut position gauge wheels should be assembled so they are slightly off the ground Install gauge wheel in appropriate hole Tighten securely Repeat for all installing gauge wheel in same adjust ment hole FIG 8 FIG 9 TO OPERATE MOWER Your tractor is equipped wit...

Page 11: ...NOTE Service reminder runs when the ignition key is in any position but STOP For accurate reading be sure key remains in the STOP position when engine is not running WARNING Backing up with the attachment clutch en gaged while mowing is strongly discouraged Turning the ROS ON to allow reverse operation with the attachment clutch engaged should only be done when the operator decides it is necessary...

Page 12: ...r a few seconds and then continue to push the control in slowly This may requireanenginewarm upperiodfromseveralseconds to several minutes depending on the temperature AUTOMATIC TRANSMISSION WARM UP Beforedrivingtheunitincoldweather thetransmission should be warmed up as follows Be sure the tractor is on level ground Release the parking brake and let the brake slowly return to operating position A...

Page 13: ...w in the opposite direction making left hand turns until finished See Fig 12 If grass is extremely tall it should be mowed twice to reduce load and possible fire hazard from dried clip pings Make first cut relatively high the second to the desired height Do not mow grass when it is wet Wet grass will plug mower and leave undesirable clumps Allow grass to dry before mowing Always operate engine at ...

Page 14: ...oes not cover items that have beensubjectedtooperatorabuseornegligence Toreceive full value from the warranty operator must maintain tractor as instructed in this manual Some adjustments will need to be made periodically to properly maintain your tractor At least once a season check to see if you should make any of the adjustments described in the Service and Adjustments section of this manual At ...

Page 15: ... operator presence and reverse operation systems are working properly If your tractor does not function as described repair the problem immediately The engine should not start unless the brake pedal is fully depressed and the attachment clutch control is in the disengaged position CHECK OPERATOR PRESENCE SYSTEM Whentheengineisrunning anyattemptbytheoperator to leave the seat without first setting ...

Page 16: ...ldweather theywillresultinincreased oilconsumptionwhenusedabove32 F Checkyourengine oil level more frequently to avoid possible engine damage from running low on oil Change the oil after every 50 hours of operation or at least once a year if the tractor is not used for 50 hours in one year Check the crankcase oil level before starting the engine and after each eight 8 hours of operation Tighten oi...

Page 17: ...e type wax We do not recommend using a garden hose or pressure washer to clean your tractor unless the engine and trans mission are covered to keep water out Water in engine or transmission will shorten the useful life of your tractor Use compressed air or a leaf blower to remove grass leaves and trash from tractor and mower IN LINE FUEL FILTER See Fig 16 The fuel filter should be replaced once ea...

Page 18: ... rear mower bracket D remove retainer springs and washers Go to other side of mower and disconnect the suspen sion arm and rear lift link CAUTION After rear lift links are dis connected theattachmentliftleverwill be spring loaded Have a tight grip on lift lever when changing position of the lever Slide mower out from under right side of tractor D C B H E F M A TO INSTALL MOWER See Figs 17 21 Be su...

Page 19: ...ration section of this manual TO LEVEL MOWER Make sure tires are properly inflated to the PSI shown on tires If tires are over or under inflated it may affect the appearance of your lawn and lead you to think the mower is not adjusted properly VISUAL SIDE TO SIDE ADJUSTMENT See Fig 22 With all tires properly inflated and if your lawn appears unevenly cut determine which side of mower is cutting lo...

Page 20: ...loosen to lower the front mower FIG 23 FIG 24 B 02950 Tighten adjust nut B to raise mower Loosen adjust nut B to lower mower Loosen jam nut A first A FIG 25 TO REPLACE MOWER DRIVE BELT See Fig 26 MOWER DRIVE BELT REMOVAL Park tractor on a level surface Engage parking brake Lower attachment lift lever to its lowest position Remove any dirt or grass clippings which may have accumulated around mandre...

Page 21: ... rotation link B on right side of tractor Tighten securely Reconnect clutch harness A Make sure belt is in all pulley grooves and inside all belt guides and keepers FIG 26 R R S M Install mower See TO INSTALL MOWER in this sec tion of manual electric 02953 A B C D E F G H J FIG 27 TO REMOVE WHEEL FOR REPAIRS See Fig 28 Block up axle securely Remove axle cover retaining ring and washers to allow wh...

Page 22: ...minals at the same time Before connecting battery remove metal bracelets wristwatch bands rings etc Positive terminal must be connected first to prevent spark ing from accidental grounding Lift hood to raised position Disconnect BLACK battery cable A then RED battery cable and carefully remove battery from tractor Install new battery with terminals in same position as old battery FirstconnectREDba...

Page 23: ...E The throttle control has been preset at the factory and adjustment should not be necessary If adjustment is nec essary see engine manual TO ADJUST CHOKE CONTROL The choke control has been preset at the factory and ad justment should not be necessary If adjustment is neces sary see engne manual TO ADJUST CARBURETOR Your carburetor is not adjustable If your engine does not operate properly due to ...

Page 24: ...FUELSYSTEMPARTSSUCH AS CARBURETOR FUEL FILTER FUEL HOSE OR TANK DURING STORAGE ALSO EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS CALLED GASOHOL OR USING ETHANOLORMETHANOL CANATTRACTMOISTUREWHICH LEADSTOSEPARATIONANDFORMATIONOFACIDSDURING STORAGE ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE Empty the fuel tank by starting the engine and let it run until the fuel lines and ...

Page 25: ... Check all wiring 7 Faulty ignition switch 7 Check replace ignition switch 8 Faulty solenoid or starter 8 Check replace solenoid or starter 9 Faulty operator presence switch es 9 Contact an authorized service center department Engine clicks but will not 1 Weak or dead battery 1 Recharge or replace battery start 2 Corroded battery terminals 2 Clean battery terminals 3 Loose or damaged wiring 3 Chec...

Page 26: ... air pressure 5 Check tires for proper air pressure 6 Worn bent or loose blade 6 Replace blade Tighten blade bolt 7 Buildup of grass leaves and trash under mower 7 Clean underside of mower housing 8 Mower drive belt worn 8 Replace mower drive belt 9 Blades improperly installed 9 Reinstall blades sharp edge down 10 Improper blades used 10 Replace with blades listed in this manual 11 Clogged mower d...

Page 27: ...A2 A1 M 6 3 5 2 4 1 6 5 4 3 2 1 SPARK PLUGS GAP 2 PLUGS ON TWIN CYL ENGINES 28 VOLTS AC 3600 RPM REGULATOR DISCONNECTED CHARGING SYSTEM OUTPUT 16 AMP DC 36 RPM OPTIONAL NON REMOVABLE CONNECTIONS REMOVABLE CONNECTIONS WIRING INSULATED CLIPS NOTE IF WIRING INSULATED CLIPS WERE REMOVED FOR SERVICING OF UNIT THEY SHOULD BE REPLACED TO PROPERLY SECURE YOUR WIRING 02929 194276_Regulated Tex IGNITION SWI...

Page 28: ...28 TRACTOR MODEL NUMBER LTH1842 96041004800 PRODUCT NO 960 41 00 48 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 ...

Page 29: ...54 91 Cable Ground 29 532 40 27 49 Switch Seat 30 532 19 33 50 Switch Ign 33 532 14 04 01 Key Ignition 34 532 11 07 12 Switch Light Reset 40 532 19 42 76 Harness Ign 41 817 72 04 08 Screw Thd Cut 1 4 20 x 1 2 42 532 13 15 63 Cover Terminal 43 532 19 25 07 Solenoid 46 532 40 17 63 Gauge Servicereminder Hrmtr 50 532 17 46 51 Switch PTO 55 817 06 05 12 Screw Thdrol 5 16 18 x 3 4 71 532 40 11 04 Harne...

Page 30: ...H1842 96041004800 PRODUCT NO 960 41 00 48 CHASSIS 37 181 181 194 36 183 152 159 2 180 162 196 229 230 68 222 CHASSIS TEX HUSQªLASERªSV 217 138 99 229 165 182 176 176 176 175 150 202 203 18 5 177 176 176 235 ª ªª 219 194 219 161 ...

Page 31: ...24 32 Screw 165 532 19 43 30 Support Tank Rear 175 532 19 32 43 Crossmember 176 532 40 07 76 Screw 10 24 x 5 8 177 532 19 52 28 Bushing Steering 180 532 19 42 60 Chassis 181 532 40 30 25 Bushing Mtg Fender Crgo 182 532 19 30 57 Dash Lower 183 874 78 05 20 Bolt Fin Hex 5 16 18 unc x 1 1 4 191 532 18 35 48 Insert Lens Reflective 194 873 90 05 00 Nut Lock Hex Flange 5 16 18 196 532 40 28 43 Console A...

Page 32: ...1842 96041004800 PRODUCT NO 960 41 00 48 DRIVE 56 185 171 186 189 49 187 50 51 190 52 51 1 51 52 170 125 125 64 188 161 35 184 167 160 160 42 DRIVE TEX HUSQªLASERªSV 203 80 116 2 73 1 2 183 205 37 33 197 196 221 29 159 15 15 159 ...

Page 33: ...00 Nut Lock Hex Flange 5 16 18 125 817 00 05 12 Screw 5 16 18 x 3 4 153 532 12 47 88 Retainer Spring 159 876 02 04 12 Pin Cotter 1 8 x 3 4 160 532 16 94 84 Retainer Clip 161 532 19 54 03 Spring Return Clutch 163 532 19 90 00 Rod Pedal Control 166 532 19 72 90 Nut Push 167 532 40 52 57 Latch Brake Parking 170 532 19 43 22 Keeper Belt Centerspan 171 872 11 06 16 Bolt 183 532 13 70 57 Spacer Axle 184...

Page 34: ...teering 28 817 00 06 12 Screw 3 8 16 x 3 4 33 810 04 05 00 Washer Lock 5 16 35 532 19 47 32 Gear Sector Plate 45 819 11 38 12 Washer 11 32 x 2 3 8 x 12 Ga 50 873 90 06 00 Nut Lock 3 8 16 unc 51 873 94 08 00 Nut Hex Jam Toplock 1 2 20 unf NOTE All component dimensions given in U S inches 1 inch 25 4 mm KEY PART NO NO DESCRIPTION 53 532 18 89 67 Washer Hardened 793 x 1 637 x 060 54 874 76 06 36 Bolt...

Page 35: ...nk Fuel 18 532 19 42 67 Cap Asm 20 532 18 38 97 Control Throttle 21 532 19 16 11 Screw 10 x 3 4 Single Lead Hex 28 532 14 21 58 Fuel Line 29 532 13 71 80 Spark Arrester Kit 31 532 14 50 06 Clip Push In Hinged 37 532 12 34 87 Clamp Hose 41 532 12 61 97 Washer 1 1 2 OD x 15 32 ID x 250 42 810 04 07 00 Washer Lock 7 16 45 873 51 04 00 Nut Keps Hex 1 4 20 unc 69 532 18 59 09 Gasket 81 532 14 84 56 Tub...

Page 36: ... 19 91 80 Pan Seat 12 532 19 93 70 Bracket Seat 13 532 12 12 48 Bushing Snap 14 872 05 04 12 Bolt 1 2 20 x 1 1 2 15 532 13 43 00 Spacer Split 16 532 12 37 40 Spring CPRSN Plate 17 532 12 39 76 Nut Lock 1 4 19 532 19 93 72 Knob Seat 21 532 17 18 52 Bolt Shoulder 5 16 18 37 873 80 05 00 Nut Lock 5 16 18 unc 42 532 19 93 71 Washer Cup Seat KEY PART NO NO DESCRIPTION KEY PART NO NO DESCRIPTION NOTE Al...

Page 37: ...rvice Item Only 11 532 13 83 37 Rim Asm 8 rear Service 532 14 43 34 Sealant Tire 10 oz Tube 11 9 1 532 17 83 02 Decal Operators 2 532 18 89 21 Decal Hood 3 532 19 31 77 Decal Hood Panel SD 4 532 15 97 36 Decal Hot Muffler 5 532 14 08 37 Decal Saddle Brake Parking 6 532 12 44 33 Decal DBA 7 532 18 89 25 Decal Steering Wheel 8 532 19 68 41 Decal Warn Eng Sym 9 532 14 50 05 Decal Battery Dnge Poi 10 ...

Page 38: ...2 96041004800 PRODUCT NO 960 41 00 48 MOWER 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 HUSQªLASERªSV 21 24 25 26 27 29 23 189 188 36 40 117 116 118 119 117 119 116 118 ...

Page 39: ...532 40 30 04 Shield Deflector 29 532 13 14 91 Rod Hinge 30 532 17 39 84 Screw Thdrol Rolling Wsh Hd 31 532 18 76 90 Washer Spacer 32 532 15 35 35 Pulley Mandrel 33 532 40 02 34 Nut Toplock Flanged 34 872 11 06 12 Bolt Carr Sh 3 8 16 x 1 1 2 Gr 5 36 532 19 73 79 Pulley Idler Primary 40 873 90 06 00 Nut Lock Flg 3 8 16 unc 55 532 19 72 49 Arm Idler 56 532 19 90 92 Spacer Retainer 57 817 00 06 16 Scr...

Page 40: ... 14 Spring Torsion 87 532 19 42 09 Pin Cotter 7 16 Bow Tie Lock 88 532 19 53 03 Spring Lift Assist 89 819 19 19 12 Washer Clear Zinc KEY PART NO NO DESCRIPTION NOTE All component dimensions given in U S inches 1 inch 25 4 mm 90 532 19 42 08 Pin Cotter 5 16 Bow Tie Lock 91 532 19 51 81 Link Lift Susp Mower Rear 97 817 06 06 12 Screw 3 8 16 x 75 Smgml Tap R Z 98 532 19 52 70 Link Lift Susp Front Mow...

Page 41: ...41 SERVICE NOTES ...

Page 42: ...42 SERVICE NOTES ...

Page 43: ... never across the face Do not mow slopes greater than 15 degrees Make turns gradually to prevent tipping or loss of control Exercise extreme caution when changing direction on slopes 1 Fold this page along dotted line indicated above 2 Hold page before you so that its left edge is vertically parallel to a tree trunk or other upright structure 3 Sight across the fold in the direction of hill slope ...

Page 44: ...532 40 94 78 Rev 2 05 01 07 CL Printed in U S A ...