Maintenance

9.Tire pressure: Check every 25 to 50 hours. All four tires require 15 psi.

10.Battery: Check every 25 hours. Check electrolyte level. If needed fill to the full line marked on the side of the battery. Fill with distilled water. Do not try starting the engine with a weak battery. Recharge or replace the battery. The engine condensers and electronic ignition can be dam- aged internally with less than or more than the required 12 volts.

11.Belts: Check every 25 hours. Stop engine and remove key. Check the condition of all belts. The pump belt located under the seat and rubber engine flap. The front deck belt and

the mule drive belt.

Front caster pivots

Front wheels

Deck lift blocks

12. Lubrication (every 25 hours): Park brake assemblies Struts

Deck lift pivot Pump idler pivot Deck idler pivot

(Clean grease zerk thoroughly before greasing)

13.Fuel filter: Replace annually or as needed.

14.Hydraulic filter and oil: Change every 500 hours or yearly. Stop engine and remove key. Tilt seat forward and clean around the filter and the fittings under the hydraulic tank. Remove the filter and allow any oil to drain from the filter head. Then replace with new filter. Use only Husqvarna p/ n 539102606, filter which has a bypass valve it and the correct micron filter. Loosen hose from fitting under hydraulic tank and allow tank to drain, reinstall hose to fitting. Fill tank with 20w - 50 motor oil to 1/4” to 1” below neck of tank and replace cap. Block up the rear of unit until wheels will rotate freely and start engine at a slow idle, move the motion control levers forward and run for several minutes. Stop engine and recheck oil level. If wheels don’t response an air lock has occurred within the hydraulic system. Bleed air from lines, or let stand overnight to allow the air time to dissipate out of the oil. Retry responses & check the oil level. Note: Serious damage to the pumps and wheel motors can occur if the system is ran with an air lock. See the specification sheet for the correct kind of oil. The factory uses Quaker State Deluxe Motor Oil 20w-50.

15.Caster swivel nuts: Check at 250 hours for tightness. Remove cotter pin and tighten castle nut. Do not over tighten. Rotate nut back so a slot in the castle nut lines up with the hole in the spindle and install cotter pin.

ZTH5225A, ZTH5223A, ZTH6125A specifications

Husqvarna, a renowned name in outdoor power equipment, offers a range of zero-turn lawn mowers, including the ZTH5223A, ZTH5225A, and ZTH6125A models. Each of these models showcases advanced technology and features designed to enhance lawn care efficiency and user comfort.

The Husqvarna ZTH5223A is equipped with a robust 23 HP Kawasaki engine, providing reliable power for tackling various lawn conditions. Its cutting deck spans 52 inches, making it nimble enough for tight spaces while ensuring a swift mowing experience. The fully adjustable seat, combined with ergonomic controls, ensures operator comfort during extended use. The ZTH5223A features a dual hydrostatic transmission, allowing smooth and responsive maneuvering.

Moving up to the ZTH5225A, this model boasts a slightly more powerful 25 HP Kawasaki engine. It retains the 52-inch cutting deck but introduces a premium suspension system to enhance ride quality over uneven terrain. The ZTH5225A also includes an advanced air filtration system, ensuring the engine operates efficiently while prolonging its life. Enhanced operator controls make this model intuitive to use, providing a seamless mowing experience.

The ZTH6125A stands out with its 61-inch cutting deck, making it ideal for larger properties. With a powerful 25 HP engine, this model combines power with efficiency, capable of tackling thick grass and more challenging landscapes. The ZTH6125A integrates a high-performance hydrostatic transmission, providing precise speed control and agility. The model also features a patented deck lifting system, allowing for easy height adjustments on-the-go.

All three models are designed with durability in mind, using premium-quality materials that stand up to the rigors of frequent use. They are equipped with easy-access maintenance points to simplify routines such as oil changes and blade replacement. Husqvarna’s commitment to technology is evident through their incorporation of features like the Air Induction mowing technology, ensuring an even cut and minimized clumping, regardless of grass type.

In summary, the Husqvarna ZTH5223A, ZTH5225A, and ZTH6125A offer a range of powerful features such as efficient engines, durable construction, and operator-centered designs. Whether for small residential lawns or expansive commercial spaces, these zero-turn mowers are engineered to deliver exceptional performance and a superior mowing experience.