Husqvarna How to Replace the Drive and Mower Belts on Riding Mowers

Page 21

SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 20)

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.

IDLER PULLEYS

MANDREL

PULLEYS

FIG. 20

TO REPLACE MOTION DRIVE BELT(See FIG. 21)

Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest.

BELT REMOVAL -

1. Remove mower (See “TO REMOVE MOWER” in this section of manual).

NOTE: Observe entire motion drive belt and position of all belt guides and keepers.

2. Disconnect clutch wire harness (A).

3. Remove anti-rotation link (B) on right side of tractor.

4. Remove belt from stationary idler (C) and clutching idler (D).

5. Remove belt from centerspan idler (E).

6. Pull belt slack toward rear of tractor. Carefully re- move belt upwards from transmission input pulley and over cooling fan blades (F).

7. Remove belt downward from engine pulley and around electric clutch (G).

8. Slide belt toward rear of tractor, off the steering plate

(H) and remove from tractor.

BELT INSTALLATION -

1.Install new belt from tractor rear to front, over the steering plate (H) and above clutch brake pedal shaft

(J).

2.Pull belt toward front of tractor and roll belt around electric clutch and onto engine pulley (G).

3.Pull belt toward rear of tractor. Carefully work belt down around transmission cooling fan and onto the input pulley (F). Be sure belt is inside the belt keeper.

4.Install belt on centerspan idler (E).

5.Install belt through stationary idler (C) and clutching idler (D).

6.Reinstall anti-rotation link (B) on right side of tractor. Tighten securely.

7.Reconnect clutch harness (A).

8.Make sure belt is in all pulley grooves and inside all belt guides and keepers.

9.Install mower (See “TO INSTALL MOWER” in this section of manual).

TO CHECK BRAKE

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 serviced.

You may also check brake by:

Park tractor on a level, dry concrete or paved surface, depress brake pedal all the way down and engage parking brake.

Disengage transmission by placing freewheel control in “transmission disengaged” position. Pull freewheel control out and into the slot and release so it is held in the disengaged position.

The rear wheels must lock and skid when you try to manually push the tractor forward. If the rear wheels rotate, then the brake needs to be serviced. Contact a or other qualified service center.

G

H

B

A

C

J

D

E

F

02953 electric

21

FIG. 21

Image 21
Contents LTH1842TWIN Safe Operation Practices for Ride-On Mowers Safety RulesGeneral Operation II. Slope OperationService III. ChildrenIV. Towing Table of Contents Steering Wheel Unassembled PartsTools Required for Assembly AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidInstall Seat See Figs a and 2b Check Battery See aAttach Hood Scoop See b Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor To Move Forward and Backward HOW to USE Your TractorUsing the Reverse Operation System To Adjust Mower Cutting Height See FigTo Operate Mower See Fig Reverse Operation System ROSSee FigTo Transport See Figs Before Starting the EngineCheck Engine OIL Level ADD GasolineMowing Tips Purge TransmissionAutomatic Transmission Warm UP Lubrication Chart MaintenanceService Dates General RecommendationsBlade Removal See a TractorTo Sharpen Blade See B Check Operator Presence SystemEngine Cleaning Service and Adjustments To Install Mower See FigTo Remove Mower See Fig Service and Adjustments To Replace Mower Blade Drive Belt See Fig Belt InstallationTo Replace Motion Drive BELTSee FIG To Check BrakeTo Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTTo Start Engine with a Weak Battery See Fig Front Wheel TOE-IN/CAMBERTo Adjust Choke Control To Adjust Throttle Control CableTo Adjust Carburetor To Replace Headlight BulbOther StorageFuel System Engine OILTroubleshooting Points With attachment clutch Suggested Guide for Sighting Slopes for Safe Operation 532 41 22-42 01.19.07 AP

LTH1842 specifications

The Husqvarna LTH1842 is a reliable and efficient riding mower designed for homeowners who need a robust lawn care solution. Engineered with a focus on performance and user comfort, this model is an excellent choice for those maintaining medium to large-sized yards.

One of the standout features of the LTH1842 is its powerful 18.5 HP Briggs & Stratton engine. This engine provides ample power for a smooth cutting experience, ensuring that grass is cut evenly and effectively. Users will appreciate the automatic transmission, which allows for effortless speed adjustments and makes mowing a straightforward task, even on hilly terrain.

The cutting deck is another highlight of the Husqvarna LTH1842. With a width of 42 inches, it features a reinforced design that enhances durability. The cutting height can be adjusted to six different positions, ranging from 1 to 4 inches, giving users the flexibility to choose the perfect height for their lawn. Additionally, the fan-assisted bagger option helps collect grass clippings efficiently, promoting a cleaner mowing experience.

Ease of use is integrated throughout the design of the LTH1842. The ergonomic steering wheel and high-back seat are designed for comfort, especially during extended mowing sessions. The clear dashboard makes it simple for operators to monitor their speed and fuel levels without distraction.

Moreover, the Husqvarna LTH1842 incorporates advanced technology to enhance functionality. The ReadyStart system enables quick starts without the need for priming, ensuring that your mower is ready when you are. The mower is also compatible with a wide range of attachments, allowing it to perform additional tasks throughout different seasons, such as mulching and snow clearing.

Safety features, including an automatic shut-off mechanism when the operator leaves the seat, ensures that the user operates the machine securely. The LTH1842 also comes with a strong warranty, reflecting the manufacturer’s confidence in the machine's durability and performance.

In summary, the Husqvarna LTH1842 is a versatile riding mower that combines power, comfort, and innovative features. It is well-suited for homeowners looking for a reliable solution to maintain their lawns efficiently. With its robust engine, adjustable cutting deck, and user-friendly design, the LTH1842 delivers performance and convenience for a superior mowing experience.