Husqvarna LTH18542 owner manual Engine

Page 17

MAINTENANCE

NOTE: The original equipment battery on your tractor is maintenance free. Do not attempt to open or remove caps or covers. Adding or checking level of electrolyte is not necessary.

TO CLEAN BATTERY AND TERMINALS

Corrosion and dirt on the battery and terminals can cause the battery to “leak” power.

Disconnect BLACK battery cable first then RED bat- tery cable and remove battery from tractor.

Rinse the battery with plain water and dry.

Clean terminals and battery cable ends with wire brush until bright.

Coat terminals with grease or petroleum jelly.

Reinstall battery (See “REPLACING BATTERY" in the SERVICE AND ADJUSTMENTS section of this manual).

V-BELTS

Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not adjustable. Replace 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 while engine is running or while the transmission is hot. To prevent pos- sible damage to seals, do not use high pressure water or steam to clean transaxle.

Inspect cooling fan to be sure fan blades are intact and clean.

Inspect cooling fins for dirt, grass clippings and other materials. To prevent damage to seals, do not use compressed air or high pressure sprayer to clean cool- ing fins.

TRANSAXLE PUMP FLUID

The transaxle was sealed at the factory and fluid mainte- nance is not required for the life of the transaxle. Should the transaxle ever leak or require servicing, contact your nearest authorized service center/department.

ENGINE

LUBRICATION

Only use high quality detergent oil rated with API service classification SF-SJ. Select the oil’s SAE viscosity grade according to your expected operating temperature.

SAE VISCOSITY GRADES

 

 

 

 

 

 

 

 

 

 

SAE 30

 

 

 

 

 

 

5W-30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

-20

0

 

 

30 32 40

 

60

80

100

C

-30

-20

-10

0

10

20

30

40

TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

oil_visc_chart1_e

FIG. 12

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your engine 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 oil fill cap/dipstick securely each time you check the oil level.

TO CHANGE ENGINE OIL (See Figs. 12 and 13)

Determine temperature range expected before oil change. All oil must meet API service classification SF-SJ.

Be sure tractor is on level surface.

Oil will drain more freely when warm.

Catch oil in a suitable container.

Remove oil fill cap/dipstick. Be careful not to allow dirt to enter the engine when changing oil.

Remove yellow cap from end of drain valve and install the drain tube onto the fitting.

 

OIL DRAIN VALVE

CLOSED AND

 

LOCKED

 

POSITION

 

YELLOW CAP

DRAIN

 

TUBE

 

02463

FIG. 13

Unlock drain valve by pushing inward and turning counterclockwise.

To open, pull out on the drain valve.

After oil has drained completely, close and lock the drain valve by pushing inward and turning clockwise until the pin is in the locked position as shown.

Remove the drain tube and replace the cap onto to the bottom fitting of the drain valve.

Refill engine with oil through oil fill dipstick tube. Pour slowly. Do not overfill. For approximate capacity see “PRODUCT SPECIFICATIONS” section of this man- ual.

Use gauge on oil fill cap/dipstick for checking level. Be sure dipstick cap is tightened securely for accurate reading. Keep oil at “FULL” line on dipstick.

CLEAN AIR SCREEN

Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stubborn dried gum fibers.

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Contents LTH18542 Safety Rules Safety Rules Table of Contents Steering Wheel Seat Unassembled PartsKey Slope SheetTools Required for Assembly AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidCheck Battery See Fig HOW to SET UP Your TractorInstall Seat See Fig Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Transport See Figs To Operate Mower See FigTo Operate on Hills Check Engine OIL Level Before Starting the EngineADD Gasoline To Start Engine See FigPurge Transmission Mowing TipsLubrication Chart MaintenanceGeneral Recommendations Before Each USETractor Engine AIR Filter CleaningEngine OIL Filter MufflerTo Install Mower See Fig Service and AdjustmentsTo Level Mower Housing To Remove Mower See FigBelt Removal Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Adjust Brake Transaxle Motion Control Lever Neutral Adjustment See FigTo Replace Motion Drive Belt See Fig To Check BrakeFront Wheel TOE-IN/CAMBER Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment To Adjust Choke Control To Adjust Throttle Control CableTo Adjust Carburetor To Replace Headlight BulbOther StorageFuel System Engine OILTroubleshooting Points With attachment clutch Tractor - Model NO. LTH18542 LTH18542A, Product no 57 SchematicElectrical KEY Part Description Chassis and Enclosures Repair Parts Drive THR CRDSteering Assembly Repair Parts 1712 Seat AssemblyWheels & Tires DecalsEngine KEY Part NO. NO. Description 152 Mower DeckKEY Part Description Mower Lift 532 15 94-60 Wire Asm Inner W/plunger LT Service Notes Service Notes Warranty Statement Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation532 18 98-98 11.18.03 RD