SETUP AND ADJUSTMENTS

Mower Deck Leveling

Position machine on a flat surface. Preferably level concrete.

Check the tire pressure in all four tires. Inflation should be 15 psi.

Place 2x4’s on edge under the cutting deck from front to rear and lower the deck down onto 2x4’s.

Adjust the four lower chain bolts to the center slots on the deck. FIG - 6 NOTE: Make sure the lift blocks under the frame are tightly bolted to the frame.

Check the chains for equal tension. If unequal adjust lower chain bolt in slot.

Place the deck in the 6” cutting height and measure from the cutting edge of the blade to the flat level surface to check the deck cutting height.

Throttle Lever Tension

Stop engine and remove key.

Throttle lever tension may be adjusted by tightening the pivot bolt. The pivot bolt secures the throttle arm to the mounting bracket which is mounted to the console. Access is gained by removing the console.

Reverse Spring Detent Adjustment Stop engine and remove key.

Pull the motion control lever back to the re- verse position and release the lever. When the lever stops it should be in line with the neutral slot, so you can move the lever into neutral slot with out hitting the side of the console frame.

If adjustment is required put the seat in the rear most position on the slide, tilt the seat forward, remove the seat rod from seat frame and fold seat over forward onto the frame.

On the back of the console where the spring is fastened, loosen the 3/8” nut and bolt enough to allow the bolt to slide in the slot. FIG - 7

Rotate the motion control lever out into the neutral slot. While the lever is swung out into the neutral slot pull it against the back edge of the neutral slot. Holding the lever adjust the spring by sliding the bolt in the slot to remove all the slop and retighten the bolt.

Check your adjustment by repeating the second step in this process.

If no more adjustment is needed reassemble the seat rod to the seat frame.

Deck Lift Arm

Slots For Chain

Adjustment

FIG - 6

Reverse Detent

Adjustment Slot

Motion

Reverse Detent

Spring

Control

 

Lever

 

FIG - 7

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Husqvarna 968999189 / ZTH6123KOLA, 968999225 / ZTH7227KOB manual Mower Deck Leveling, Throttle Lever Tension
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968999224 / ZTH6127KOB, 968999225 / ZTH7227KOB, 968999189 / ZTH6123KOLA specifications

Husqvarna has long been a trusted name in outdoor power equipment, and their ZTH series of zero-turn mowers further cements this reputation. Among the offerings are the models 968999224 (ZTH6127KOB), 968999225 (ZTH7227KOB), and 968999189 (ZTH6123KOLA), each designed to deliver exceptional performance and efficiency for both residential and commercial users.

The ZTH6127KOB is equipped with a robust 27 HP engine, providing ample power for tackling large lawns with heavy grass and uneven terrain. Its 61-inch cutting deck ensures a wide cutting path, allowing for faster mowing and reduced time spent on the job. The deck features an innovative design that optimizes airflow for cleaner cuts and better grass lift, resulting in a superior finish.

The ZTH7227KOB takes things a step further with its powerful 27 HP engine and expansive 72-inch cutting deck. This model is particularly well-suited for commercial landscapers who need to cover large areas quickly. The mower’s heavy-duty frame and reinforced components ensure durability and reliability under demanding conditions.

Meanwhile, the ZTH6123KOLA, with its 23 HP engine, offers a slightly smaller yet highly efficient option. Its 61-inch cutting deck strikes the perfect balance for homeowners and small commercial operations looking for an agile yet powerful mower. All models come equipped with intuitive controls and ergonomic seating designed for hours of comfortable operation.

Technologically, all three models boast advanced features such as electronic fuel injection, which enhances fuel efficiency and provides smoother acceleration. The Hydro-Gear transmission ensures a responsive and agile maneuverability, allowing operators to navigate tight spaces with ease. The mowers also feature easy-to-use height adjustment systems for customizing cutting heights based on grass types and conditions.

Safety is a priority, and Husqvarna has equipped these models with ROPS (Roll Over Protection System) and an automatic blade brake that enhances operator safety while in operation. Each model combines high performance, efficiency, and comfort, making them ideal choices for anyone seeking a reliable solution for lawn maintenance.

From commercial users to homeowners, the ZTH series by Husqvarna proves to be an investment in quality and performance, reaffirming the brand’s commitment to excellence in lawn care technology.
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