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23

SERVICE AND ADJUSTMENTS

HOOD

HEADLIGHT
WIRE
CONNECTOR

FIG. 29

TO REPLACE 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.

INTERLOCKS AND RELAYS

Loose or damaged wiring may cause your tractor to run
poorly, stop running, or prevent it from starting.

Check wiring.  See electrical wiring diagram in the Repair
Parts section.

TO REPLACE FUSE

Replace with 15 amp automotive-type plug-in fuse.  The fuse
holder is located behind the dash.

TO REMOVE HOOD AND GRILL ASSEMBLY
(See Fig. 29)

Raise hood.

Unsnap headlight wire connector.

Stand in front of tractor.  Grasp hood at sides, tilt toward
engine and lift off of tractor.

To replace, reverse above procedures.

FIG. 28

KEPS
NUT

HEX
BOLT

POSITIVE (RED)
CABLE

NEGATIVE
(BLACK) CABLE

GOVERNOR
CONTROL LEVER

GOVERNOR
CONTROL
PLATE

THROTTLE
CABLE

HOLES “A”

FIG. 30

TO ADJUST CARBURETOR

The carburetor has been preset at the factory and adjust-
ment should not be necessary.  However, minor adjustment
may be required to compensate for differences in fuel,
temperature, altitude or load.  If the carburetor does need
adjustment, see engine manual.

High speed stop is factory adjusted.  Do not adjust - damage
may result.

IMPORTANT:  NEVER TAMPER WITH THE ENGINE
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED.  OVERSPEEDING THE ENGINE ABOVE
T H E   F A C T O R Y   H I G H   S P E E D   S E T T I N G   C A N   B E
DANGEROUS.  IF YOU THINK THE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
N E A R E S T   A U T H O R I Z E D   S E R V I C E   C E N T E R /
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E   T O   M A K E   A N Y   N E C E S S A R Y
ADJUSTMENTS.

ENGINE

TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 30)

The throttle control has been preset at the factory and
adjustment should not be necessary.  Check adjustment as
described below before loosening cable.  If adjustment is
necessary, proceed as follows:

With engine not running, move throttle control lever from
slow to choke position.  Slowly move lever from choke
to fast position.

Check that holes “A”  in governor control lever and hole
in governor plate line-up.  If holes “A” are not aligned,
loosen clamp screw and move throttle cable until  holes
are aligned.  Tighten clamp screw securely.

CLAMP
SCREW

Содержание LTH120

Страница 1: ...1 LTH120 Owner s Manual ...

Страница 2: ...f tires lose traction disengage the blades and proceed slowly straight down the slope Safe Operation Practices for Ride On Mowers IMPORTANT THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH SAFETY RULES DONOT Do not turn on slopes unless necessary and then turn slowly and gr...

Страница 3: ...watchful care of another responsible adult Be alert and turn machine off if children enter the area Before and when backing look behind and down for small children Mow up and down slopes 15 Max not across Remove obstacles such as rocks tree limbs etc Watch for holes ruts or bumps Uneven terrain could overturn the machine Tall grass can hide obstacles Useslowspeed Choosealowgearsothatyouwillnot hav...

Страница 4: ... W FILTER 3 5 PINTS W OFILTER 3 0 PINTS SPARK PLUG CHAMPION RJ19LM or J19LM GAP 040 VALVE CLEARANCE INTAKE 005 007 EXHAUST 009 011 GROUND SPEED MPH FORWARD 5 7 REVERSE 2 7 TIRE PRESSURE FRONT 14 PSI REAR 12 PSI CHARGING SYSTEM 3 AMPS BATTERY 5 AMPS HEADLIGHTS BATTERY AMP HR 25 MIN CCA 190 CASE SIZE U1R BLADE BOLT TORQUE 27 35 FT LBS WARNING This tractor is equipped with an internal com bustion eng...

Страница 5: ... x 1 1 4 1 Hex Bolt 3 8 16 x 1 1 Lock washer 3 8 Steering Wheel Insert Steering Extension Shaft Steering Sleeve Steering Wheel Steering Wheel Adapter 1 Washer 17 32 x 1 3 16 x 12 Gauge Seat 1 Shoulder Bolt 5 16 18 2 Keys Keys Slope Sheet 1 Lock Washer 1 2 1 Hex Bolt 1 2 13 x 1 ...

Страница 6: ...EMOVING TRACTOR FROM SKID ATTACH STEERING WHEEL See Fig 1 ASSEMBLE EXTENSION SHAFT AND BOOT Slide extension shaft onto lower steering shaft Align mountingholesinextensionandlowershaftsandinstall 5 16 hex bolt and locknut Tighten securely Place tabs of steering boot over tab slots in dash and push down to secure INSTALL STEERING WHEEL Position front wheels of the tractor so they are pointing straig...

Страница 7: ...seat before tightening adjustment knob Remove adjustment bolt lockwasher and flat washer securing seat to cardboard packing and set aside for assembly of seat to tractor Pivot seat upward and remove from the cardboard packing Remove the carboard packing and discard Place seat on seat pan and assemble shoulder bolt Tighten shoulder bolt securely Assemble adjustment bolt lockwasher and flat washer l...

Страница 8: ...ctor for the first time Follow proper starting and transmission purging instructions See TO START ENGINE and PURGETRANSMISSION intheOpera tion section of this manual 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 in PRODUCT SPECIFICATIONS section o...

Страница 9: ...ARD FAST SLOW ENGINE ON ENGINE OFF OIL PRESSURE LIGHTS ON FUEL CHOKE MOWER HEIGHT PARKING BRAKE LOCKED UNLOCKED REVERSE NEUTRAL HIGH LOW ATTACHMENT CLUTCH ENGAGED MOWER LIFT DANGER KEEP HANDS AND FEET AWAY FREE WHEEL Automatic Models only OVER TEMP LIGHT PARKING BRAKE IGNITION ATTACHMENT CLUTCH DISENGAGED P KEEP AREA CLEAR SLOPE HAZARDS 15 15 15 SEE SAFETY RULES SECTION ...

Страница 10: ...for pushing or slowly towing the tractor with the engine off CLUTCH BRAKE PEDAL Used for declutching and braking the tractor and starting the engine AMMETER Indicates charging or discharging of battery PARKINGBRAKE Locksclutch brakepedalintothebrake position MOTION CONTROL LEVER Selects the speed and direction of tractor ATTACHMENT LIFT LEVER Used to raise lower and adjustthemowerdeckorotherattach...

Страница 11: ...etermines the cutting height Grasp lift lever Press plunger with thumb and move lever to desired position The cutting height range is approximately 1 1 2 to 4 The heightsaremeasuredfromthegroundtothebladetipwiththe enginenotrunning Theseheightsareapproximateandmay vary depending upon soil conditions height of grass and types of grass being mowed The average lawn should be cut to approximately 2 1 ...

Страница 12: ...owlyreleaseparkingbrakeand clutch brakepedal Slowly move motion control lever to slowest setting Make all turns slowly FIG 8 TOWING CARTS AND OTHER ATTACH MENTS Tow only the attachments that are recommended by and comply with specifications of the manufacturer of your tractor Use common sense when towing Too heavy of a load while on a slope is dangerous Tires can lose traction withthegroundandcaus...

Страница 13: ...n now be used If the engine does not accept the load restart the engine and allow it to warm up for one minute using the choke as described above ADD GASOLINE Fill fuel tank Use fresh clean regular unleaded gasoline with a minimum of 87 octane Use of leaded gasoline will increase carbon and lead oxide deposits and reduce valve life Do not mix oil with gasoline Purchase fuel in quantities that can ...

Страница 14: ...a to the right of the machine This will result in a more even distribution of clippings and more uniform cutting Whenmowinglargeareas startbyturningtotherightso that clippings will discharge away from shrubs fences driveways etc After one or two rounds mow in the opposite direction making left hand turns until finished See Fig 9 If grass is extremely tall it should be mowed twice to reduce load an...

Страница 15: ...t bolt to 35 ft lbs maximum Do not overtighten 1 12 3 2 5 5 6 7 GENERAL RECOMMENDATIONS The warranty on this tractor does 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 All adjustments in the Serv...

Страница 16: ... torque IMPORTANT BLADE BOLT IS GRADE 8 HEAT TREATED TO SHARPEN BLADE See Fig 12 NOTE Wedonotrecommendsharpeningblade butifyou do be sure the blade is balanced Care should be taken to keep the blade balanced An unbalanced blade will cause excessive vibration and even tual damage to mower and engine The blade can be sharpened with a file or on a grinding wheel Do not attempt to sharpen while on the...

Страница 17: ...lingshroudsremoved will cause engine damage due to overheating ENGINE LUBRICATION Only use high quality detergent oil rated with API service classification SF SG or SH Select the oil s SAE viscosity grade according to your expected operating temperature TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE SAE VISCOSITY GRADES 20 0 30 40 80 100 30 20 0 20 30 40 F C 32 10 10 60 5W 30 SAE 30 NOTE Alt...

Страница 18: ... line leaks and clamps are properlypositioned Immediately wipe up any spilled gasoline AIR FILTER See Fig 14 Yourenginewillnotrunproperlyusingadirtyairfilter Clean the foam pre cleaner after every 25 hours of operation or every season Service paper cartridge every 100 hours of operation or every season whichever occurs first Service air cleaner more often under dusty conditions Remove knob s and c...

Страница 19: ...height about 1 8 Recheck measurements after adjusting BOTTOM EDGE OF MOWER TO GROUND BOTTOM EDGE OF MOWER TO GROUND A A FIG 17 TO REMOVE MOWER See Fig 16 Mowerwillbeeasiertoremovefromtherightsideoftractor Place attachment clutch in DISENGAGED position Moveattachmentliftleverforwardtolowermowertoits lowest position Roll belt off engine pulley Remove small retainer spring and lift clutch spring off ...

Страница 20: ...R BLADE DRIVE BELT See Fig 21 The mower blade drive belt may be replaced without tools Park the tractor on level surface Engage parking brake BELT REMOVAL Remove mower from tractor See TO REMOVE MOWER in this section of this manual Work belt off both mandrel pulleys and idler pulleys Pull belt away from mower BELT INSTALLATION Install new belt in reverse order of removal Make sure belt is in all p...

Страница 21: ... LOCK GATE MOTION CONTROL LEVER Loosen the adjustment bolt Move the motion control lever 1 4 to 1 2 inch in the direction it is trying to creep Tighten adjustment bolt securely Start engine and test If tractor still creeps repeat above steps until satisfied TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal left to right whenwheelsarepositionedstraightforward removes...

Страница 22: ...BE A 12 VOLT NEGATIVE GROUNDED SYSTEM DO NOT USE YOUR TRACTOR BATTERY TO START OTHER VEHICLES TO ATTACH JUMPER CABLES ConnecteachendoftheREDcabletothePOSITIVE terminalofeachbattery takingcarenottoshortagainst chassis ConnectoneendoftheBLACKcabletotheNEGATIVE terminal of fully charged battery Connect the other end of the BLACK cable to good CHASSIS GROUND away from fuel tank and battery TO REMOVE C...

Страница 23: ...tbenecessary However minoradjustment may be required to compensate for differences in fuel temperature altitude or load If the carburetor does need adjustment see engine manual Highspeedstopisfactoryadjusted Donotadjust damage may result IMPORTANT NEVER TAMPER WITH THE ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE D...

Страница 24: ...NG IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR FUEL FILTER FUEL HOSE OR TANK DURING STORAGE ALSO EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS CALLED GASOHOL OR USING ETHANOL OR METHANOL CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE Drain the fuel tank Start the engine and let it run ...

Страница 25: ...lty 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 Check all wiring 4 Faulty s...

Страница 26: ...lace sharpen 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 deck vent holes from buildup of 11 Clean around mandrels to open vent holes g...

Страница 27: ... RPM NOTE YOUR TRACTOR IS EQUIPPED WITH A SPECIAL ALTERNATOR SYSTEM THE LIGHTS ARE NOT CONNECTED TO THE BATTERY BUT HAVE THEIR OWN ELECTRICAL SOURCE BECAUSE OF THIS THE BRIGHTNESS OF THE LIGHTS WILL CHANGE WITH ENGINE SPEED AT IDLE THE LIGHTS WILL DIM AS THE ENGINE IS SPEEDED UP THE LIGHTS WILL BECOME THEIR BRIGHTEST WIRING INSULATED CLIPS NOTE IF WIRING INSULATED CLIPS WERE REMOVED FOR SERVICING ...

Страница 28: ...28 REPAIR PARTS TRACTOR MODELNO LTH120 954140106A PRODUCTNO 9541401 06 ELECTRICAL 28 29 26 24 42 43 27 27 25 41 20 20 40 33 30 70 8 2 1 27 52 16 16 D C AMPE RES 45 22 21 ...

Страница 29: ...24780 Cable Battery 6 Ga 11 red 25 532146147 Cable Battery 6 Ga 44 red w 16 wire 26 532166180 Fuse 15 AMP 27 873510400 Nut Keps Hex 1 4 20 Unc 28 532124773 Cable Ground 6 Ga 12 black 29 532121305 Switch Plunger Nc Gray 30 532163968 Switch Ign Delta 33 532140401 Key Ign Molded Generic 40 532170217 Harness Ign 41 871110408 Bolt Blk Fin Hex 1 4 20 x 1 2 42 532131563 CoverTerminalRed 43 532145673 Sole...

Страница 30: ...54140106A PRODUCTNO 9541401 06 CHASSIS AND ENCLOSURES 17 29 28 58 71 57 53 52 53 64 14 74 14 14 13 14 14 11 1 3 2 9 14 14 5 5 37 144 25 26 26 10 26 144 25 26 3 3 3 142 3 3 3 142 143 60 145 129 57 68 134 37 37 30 159 3 31 60 60 18 3 38 38 206 ...

Страница 31: ...r 37 817490508 Screw Thdrol 6 16 18 x 1 2 TYT 38 532169834 Bracket Asm Pivot Mower Rear 52 819091416 Washer 9 32 x 7 8 x 16 Ga 53 532150067 Bracket Pnt Pick off LT PL Husqvarna 57 874780412 Bolt Hex 1 4 20 x 3 4 58 532150127 Air Duct Engine P L 60 872140606 Bolt Rdhd Sqnk 3 8 16unc x 3 4 64 532154798 Dash Lower STLT 68 873510400 Nut Keps Hex 1 4 20unc 71 873680400 Nut Cronwn Lock 1 4 20 Unc Blk D ...

Страница 32: ... 59 42 38 61 41 42 40 53 35 55 36 42 62 35 36 22 39 34 16 1 77 77 30 52 56 64 65 51 72 63 116 70 57 96 26 25 19 24 26 26 76 78 75 74 27 26 15 37 51 51 89 90 27 51 48 151 202 49 26 47 50 51 81 156 166 165 82 168 163 14 164 21 8 10 83 159 161 198 158 162 169 150 84 16 199 16 61 71 200 73 16 61 197 95 ...

Страница 33: ...2124872 Cover Pedal 63 532140186 Pulley Clutch Eng 64 871170764 Bolt Hex 7 16 20 x 4 Ga 5 65 810040700 Washer 66 532154778 Keeper Belt Engine 70 532134683 Guide Belt Mower Drive RH 71 532169183 Strap Torque Lh Hydro 72 819132012 Washer 13 32 x 1 1 4 x 12 Ga 73 532169182 Strap Torque Rh Hydro 74 532169496 Spacer Axle 75 532121749 Washer 25 32 x 1 1 4 x 16 Gauge 76 812000001 E Ring 77 532123583 Key ...

Страница 34: ...06A PRODUCTNO 9541401 06 STEERING ASSEMBLY 82 22 5 9 5 7 7 9 4 3 32 43 6 43 8 18 19 27 62 23 11 40 66 29 25 79 8 10 40 11 8 6 9 46 46 8 6 9 2 47 47 1 41 17 42 37 36 37 26 30 28 38 63 11 39 44 51 54 80 68 67 67 67 13 65 68 15 15 15 29 29 29 29 85 85 ...

Страница 35: ...or 28 819131416 Washer 13 32 X 7 8 X 16 Ga 29 817060612 Screw 3 8 16x3 4 30 876020412 Pin Cotter 1 8 X 3 4 Cad 32 532130465 Rod Tie Wire Form 19 75 Mech 36 532155099 Bushing Strg 37 532152927 Screw 38 532124416 Insert Cap Strg Wh Au 39 819133812 Washer 13 32 X 2 3 8 X 12 Ga 40 532124701 Lock nut 41 532100711 Adaptor Wheel Strg 42 532169634 Boot Steering Shaft 43 532121749 Washer 25 32 X 1 1 4 X 16...

Страница 36: ...hing Snap Blk Nyl 50 Id 14 872050412 Bolt Rdhd Sqnk 1 4 20x1 1 2 15 532134300 Spacer Split 28x 96 Yel Zinc 16 532121250 Spring Cprsn 1 27 Blk Pnt 17 532123976 Nut Lock 1 4 Lge Flg Gr 5 Zinc 21 532153236 Bolt Shoulder 5 16 18 Unc 22 873800500 Nut Hex Lock W Ins 5 16 18 23 874780814 Bolt Hex Head Fin 1 2 13 x 7 8 Grade5 24 819171912 Washer 17 32 X 1 3 16 X 12 Ga 25 532127018 Bolt Shoulder 5 16 18 X ...

Страница 37: ...2144334 Sealant Tire 10 oz Tube 8 20 14 5 1 532157032 Decal Oper Step Thru Eng Fr 3 532157193 DecalHoodRH 4 532157195 Decal Hood LH 5 532166100 Decal HP Engine 6 532171458 Decal Dash Logo 8 532137259 DecalWarning 9 532150617 DecalFenderHusq 10 532157140 DecalFenderDangerEng Fr 14 532136832 Decal V Belt Schematic 20 532145005 Decal Bat Dan Psn KEY PART NO NO DESCRIPTION 1 6 2 1 5 8 4 10 3 9 11 7 WH...

Страница 38: ...38 REPAIR PARTS TRACTOR MODELNO LTH120 954140106A PRODUCTNO 9541401 06 ENGINE 2 1 OPTIONAL EQUIPMENT Spark Arrester 29 44 46 32 31 33 37 33 40 62 13 4 72 78 81 3 14 38 15 16 78 23 45 ...

Страница 39: ... 8 23 532169837 ShieldBrn DbrGuard 29 532137180 Kit Spark Arrestor Flat Scrn 31 532109202 Tank Fuel Front 32 532140527 Cap Asm Fuel W sym Vented 33 532123487 Clamp Hose Black 37 532137040 Line Fuel 20 38 Plug Oil Drain Order From Engine Manufacturer 40 532124028 Bushing Snap Nyl Blk Fuel Line 44 817490412 Screw Hexwsh Thdrol 1 4 20 x 3 4 45 817060612 Screw 46 819091416 Washer 9 32 x 7 8 x 16 Ga 62...

Страница 40: ...CK 86 3 8 4 2 2 15 14 12 128 13 11 149 10 9 8 1 21 2 29 27 23 26 28 25 24 21 87 88 21 31 40 150 45 32 33 69 55 54 56 36 36 89 123 113 53 30 109 89 122 40 89 108 124 107 68 2 16 96 101 98 99 100 97 21 2 110 19 4 3 129 92 131 130 92 5 6 21 152 151 153 154 157 158 67 153 156 155 148 ...

Страница 41: ...V BeltMower 69 876020312 Pin Cotter 3 32 x 3 4 86 532125074 Runner LH 87 532128772 Runner RH 88 819111216 Washer 11 32 x 3 4 x 16 Ga 89 819131612 Washer 13 32 x 1 x 12 Ga 92 873800600 Nut Lock Hex W Ins 3 8 16 Unc 96 874930620 Bolt 3 8 16 x 1 1 4 Mulcher 97 873930600 Nut Crownlock 3 8 16 UNC 98 819132016 Washer 13 32 x 1 1 4 x 16 Ga 99 810040600 Washer Lock Hvy Hlcl Spr 3 8 100 532135651 NutWing 1...

Страница 42: ...42 REPAIR PARTS TRACTOR MODELNO LTH120 954140106A PRODUCTNO 9541401 06 MOWER LIFT 15 20 16 1718 20 20 15 20 4 5 6 2 3 1 6 5 4 7 8 12 11 31 32 31 32 19 19 13 13 13 13 ...

Страница 43: ... Grip Handle Bicycle 8 532124526 Button Plunger Black 11 532139865 Link Lift LH 12 532139866 Link Lift RH 13 532124670 RetainerSpring 15 532167253 Link Front 16 873350800 Nut Jam Hex 1 2 13 Unc 17 532130171 Trunnion Blk Zinc 18 873680800 Nut Crownlock 1 2 13 Unc 19 532139868 Arm Suspension Rear 20 532163552 Spring Retainer 31 532140302 Bearing Pvt Lift Spherical 32 873540600 NutCrownlock3 8 24 KEY...

Страница 44: ...44 SERVICE NOTES ...

Страница 45: ...45 SERVICE NOTES ...

Страница 46: ...IDE ONLY RIDE UP AND DOWN HILL NOT ACROSS HILL SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION Operate your Tractor up and down the face of slopes not greater than 15 never across the face Make turns gradu ally to prevent tipping or loss of control Exercise extreme caution when changing direction on slopes ...

Страница 47: ...rasives moisture rust corrosion or any adverse reaction due to incorrect storage or use habits 2 Failure to operate or maintain the unit in accordance with the Owner s Operator s manual or instruction sheet furnished by Husqvarna 3 Alterations or modifications that change the intended use of the product or affects the product s performance operation safety or durability or causes the product to fa...

Страница 48: ...48 532171589 10 26 99 RD Printed in U S A ...

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