Operating Instructions Controls | Husqvarna ZTHKH4820A, ZTHKW4821A

ADJUSTMENTS

MOTION CONTROL LINKAGE ADJUSTMENT:

1.This adjustment must be made with the drive wheels rotating. Raise rear of the unit and block it up so the wheels are free to rotate. CAUTION: Keep hands, feet and clothing away from rotating tires.

2.Tilt seat forward and remove the seat lanyard from seat so the seat can rotate down onto the frame. Make sure the seat is adjusted toward the rear of the unit so it clears the controls on the console.

3.Place a 2x4 board approximately 10 to 12 inches long between the foot plate and the center of the seat to engage the seat safety switch. NOTE:You may want to cover the end of the 2x4 with a rag to protect the seat from marring.

4.Loosen the nuts directly behind each ball joint on both rods that connect the pump arm to the motion control assemblies. (See Fig 5b )

5.Start the engine.The park brake must be engaged and the motion control levers must be in the neutral slot (See figure 6 page10) to start the engine. Run engine at approximately 1/2 throttle.

6.Release park brake to allow wheels to rotate. CAUTION: Keep hands, feet and clothing away from rotating tires.

7.Begin with either side and put the motion control lever into the neutral position. Adjust the motion control linkage by rotating the double nuts on the rod in the proper direction until the wheel stops rotating (See Fig 5b ).

Move the motion control lever forward then into the neutral position and place it into the neutral slot. The wheel must be stopped completely at this point. Now do the same in reverse and release the lever. The lever should return to neutral on its own. If not see reverse spring detent adjustment section.

8.Run engine at full throttle to make sure wheels do not rotate. Readjust if any rotation occurs.

9.Repeat on the opposite side and tighten nuts against ball joints.

10.Remove the 2x4 board and make sure the seat wiring is connected to the wiring harness. WARNING: Seat must be connected for safety interlock system to properly function.

OPERATING INSTRUCTIONS

CONTROLS:

1.Be thoroughly familiar with all controls their function and how to operate them before operating the mower.

2.Motion control levers located on each side of the console control direction of movement. The left lever controls the flow of oil from the left hydro pump to the left wheel motor. The right lever controls the flow of oil from the right hydro pump to the right wheel motor.

ZTHKH4818A, ZTHKH4820A, ZTHKW4818A, ZTHKW4821A, ZTHQL4218A, ZTHQL4221A, ZTHQL4221A, ZTHKH4820A, ZTHKH4818A, ZTHKW4818A specifications

Husqvarna stands out in the lawn care industry with its exceptional range of zero-turn mowers, aimed at providing efficiency and precision for both residential and commercial landscaping needs. The models including the ZTHKW4821A, ZTHKH4820A, ZTHKW4818A, ZTHKH4818A, ZTHKH4820A, ZTHKW4818A, ZTHKW4821A, ZTHQL4218A, ZTHQL4221A, and ZTHQL4221A boast a variety of advanced features that enhance their performance and ease of use.

One of the most notable characteristics of these zero-turn mowers is their powerful engines. Designed with robust motors, these mowers deliver superior torque and speed, ensuring that users can tackle large lawns with ease. The ZTHKW4821A, for example, is equipped with a high-performance engine that enables fast mowing speeds, significantly reducing lawn care time.

The innovative cutting technology employed across this line of mowers ensures a clean, precise cut every time. The cutting decks are engineered to handle various grass types and conditions, allowing for optimal performance throughout the mowing season. Features like adjustable cutting heights offer users the flexibility to maintain their lawns to their preference.

These models are also designed with user comfort in mind. The ergonomic seating and intuitive control systems provide a comfortable and pleasant mowing experience. Models like the ZTHKH4820A feature a side-by-side seating arrangement that allows for easy access to controls without compromising comfort.

Built to last, Husqvarna's zero-turn mowers are constructed with durable materials that withstand the rigors of outdoor use. The rust-resistant decks and reinforced frames ensure longevity and reliability, making them a smart investment for homeowners and professionals alike.

Additionally, these mowers are equipped with enhanced maneuverability, allowing users to navigate tight corners and obstacles with ease. The zero-turn capability significantly improves efficiency, making lawn maintenance quicker and more effective.

With advanced features and intuitive design, Husqvarna’s ZTHKW4821A, ZTHKH4820A, ZTHKW4818A, ZTHKH4818A, ZTHKH4820A, ZTHKW4818A, ZTHKW4821A, ZTHQL4218A, ZTHQL4221A, and ZTHQL4221A offer performance, comfort, and durability suitable for every lawn care enthusiast. Whether for residential gardens or large commercial properties, Husqvarna's zero-turn mowers are engineered to meet diverse mowing needs, ensuring that every lawn looks its best.