Husqvarna Essential LTH1742 Parts and Adjustment Guide
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SERVICE AND ADJUSTMENTS

SIDE-TO-SIDE ADJUSTMENT (See Figs. 17 and 18)

•Raise mower to its highest position.

•At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance “A” on both sides of mower should be the same or within 1/4" of each other.

•If adjustment is necessary, make adjustment on one side of mower only.

•To raise one side of mower, tighten lift link adjustment nut on that side.

•To lower one side of mower, loosen lift link adjustment nut on that side.

NOTE: Three full turns of adjustment nut will change mower height about 1/8".

•Recheck measurements after adjusting.

BOTTOM EDGE OF

 

BOTTOM EDGE

MOWER

 

OF MOWER

TO GROUND

 

TO GROUND

“A”

GROUND LINE

“A”

FIG. 17

SUSPENSION ARM

LIFT LINK ADJUSTMENT NUT

FIG. 18

FRONT-TO-BACK ADJUSTMENT (See Figs. 19 and 20)

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE.

To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its high- est position.

Check adjustment on right side of tractor. Measure distance “D” directly in front and behind the mandrel at bottom edge of mower housing as shown.

•Before making any necessary adjustments, check that both front links are equal in length.

•If links are not equal in length, adjust one link to same length as other link.

•To lower front of mower loosen nut “E” on both front links an equal number of turns.

•When distance “D” is 1/8" to 1/2" lower at front than rear, tighten nuts “F” against trunnion on both front links.

•To raise front of mower, loosen nut “F” from trunnion on both front links. Tighten nut “E” on both front links an equal number of turns. The two front links must remain equal in length.

•When distance “D” is 1/8" to 1/2" lower at front than rear, tighten nut “F” against trunnion on both front links.

• Recheck side-to-side adjustment.

20

MANDREL

"D"

"D"

FIG. 19

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "F"

NUT "E"

TRUNNION

FRONT LINKS

FIG. 20

TO REPLACE MOWER 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 pulley grooves and inside all belt guides.

•Install mower in reverse order of removal instruc- tions.

MANDREL PULLEY

IDLER PULLEYS

MANDREL

PULLEY

FIG. 21

TO CHECK AND ADJUST BRAKE (See Fig. 22)

Your tractor is equipped with an adjustable brake system which is mounted on the right side of the transaxle.

If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be checked and adjusted.

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Contents LTH1742 IV. Service Safe Operation Practices for Ride-On MowersGeneral Operation II. Slope OperationSafety Rules Table of Contents Unassembled Parts Steering Wheel SeatKey Slope SheetAssembly Tools Required for AssemblyTo Remove Tractor from CAR- TON Before Removing Tractor from SkidCheck Battery See Fig HOW to SET UP Your TractorInstall Seat See Fig To Convert to Bagging or Discharging Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor Before Starting the Engine To Operate Mower See FigTo Operate on Hills To Transport See FigsADD Gasoline To Start Engine See FigPurge Transmission Automatic Transmission Warm UPMowing Tips Mulching Mowing TipsMaintenance Lubrication ChartService Dates General RecommendationsTractor Engine Cleaning Clean AIR INTAKE/COOLING AreasMuffler Spark PlugsService and Adjustments To Install Mower See FigTo Level Mower Housing To Remove Mower See FigBelt Removal Belt InstallationTo Replace Mower Blade Drive Belt See Fig Transaxle Motion Control Lever Neutral Adjustment See Fig To Adjust BrakeTo Replace Motion Drive Belt See Fig To Check BrakeTransmission REMOVAL/REPLACEMENT To Adjust Steering Wheel ALIGN- MentReplacing Battery See Figs Front Wheel TOE-IN/CAMBERTo Adjust Carburetor To Replace Headlight BulbInterlocks and Relays To Replace FuseStorage OtherFuel System Engine OILTroubleshooting Points OFF Schematic Tractor - Model NO. LTH1742 LTH1742A, Product no 57Electrical KEY Part Description Chassis and Enclosures 532 17 46-19 Chassis Stamping Drive CRD Steering Assembly Repair Parts Seat Assembly 532 14 SeatDecals Wheels & TiresEngine Repair Parts Mower Deck Repair Parts Mower Lift Repair Parts Service Notes Service Notes Warranty Statement Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAX532 18 44-93 11.20.02 RH

LTH1742 specifications

The Husqvarna LTH1742 is a standout in the realm of riding lawn mowers, designed to deliver both performance and comfort for homeowners managing medium to large lawns. With its robust build and user-friendly features, it ensures a seamless mowing experience that meets the demands of any yard.

One of the key features of the LTH1742 is its powerful engine. Equipped with a 17-horsepower Briggs and Stratton engine, this mower provides ample power to handle tough grass and uneven terrain. The reliable four-stroke engine ensures efficient fuel consumption while producing the necessary torque for effective cutting even in challenging conditions.

The 42-inch cutting deck is another significant characteristic of the Husqvarna LTH1742. Its size strikes a balance between maneuverability and mowing efficiency, allowing users to cover a wider area in less time. The deck features a robust steel construction for durability, and the cutting height can be easily adjusted from 1 to 4 inches using a convenient lever, catering to various grass types and user preferences.

To enhance the mowing experience, the LTH1742 incorporates hydrostatic transmission. This technology provides the operator with smooth and precise control over speed and direction, allowing for effortless navigation around obstacles and tight corners. The automatic drive system eliminates the need for gear shifting, making it accessible for users of all experience levels.

Comfort is also a focal point of the Husqvarna LTH1742. It comes equipped with an ergonomic seat that offers ample support, ensuring that users can mow for extended periods without discomfort. The easy-to-reach controls and intuitive dashboard further enhance user experience, allowing for quick adjustments without needing to divert attention from the mowing process.

Another notable feature includes the ease of maintenance. The mower is designed with a washout port that makes cleaning the cutting deck a straightforward task, prolonging the equipment's lifespan and maintaining optimal performance. Additionally, the LTH1742 offers a variety of accessories, enabling users to customize their mower for different tasks, such as mulching or bagging.

In summary, the Husqvarna LTH1742 combines power, efficiency, and user-friendly features, making it an excellent choice for homeowners looking to maintain their lawns with ease. Its powerful engine, adjustable cutting deck, hydrostatic transmission, and attention to operator comfort solidify its place as a reliable and effective lawn care solution.
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