9.Always store gasoline in a safety-approved, red container.

10.Be careful when servicing the battery as it con- tains acid, which is corrosive and could cause burns to skin and clothing.

11.Batteries release explosive gases when being charged or discharged. Keep batteries away from any source of sparks and/or flame.

12.Make sure all hydraulic connections are tight and all hydraulic hoses and lines are in good condi- tion before starting the machine.

13.Hydraulic fluid is under high pressure. If you need service on your hydraulic system, please see your authorized Scag dealer.

INITIAL RUN-IN PROCEDURES (FIRST DAY OF USE OR APPROXI- MATELY 10 HOURS)

1.Check the belts for proper tension at 2, 4 and 8 hours. Adjust as needed. (See Belt Tension, page 9).

2.Check the neutral adjustment. (See Adjust- ments, page 8)

3.Check the tires for proper pressure.

Caster Wheels

25 psi

DriveWheels

12 psi

Rear Steering Wheel

15 psi

4.Check for loose hardware. Tighten as needed.

5.Check the safety switches for proper adjustment:

*The engine should crank and start if the machine is in neutral, the PTO engagement switch is OFF and the parking brake is ON.

7.Apply lubricant to all the grease fittings. Lubricant was applied at the factory. This is just a precaution- ary check to make sure that all the fittings have been lubricated.

MOWER OPERATION

1.Read and understand the safety instructions before attempting to operate this machine.

2.Before starting the engine:

*Check the oil level in the engine and the hydraulic reservoir.

*Fill the fuel tank with clean, fresh, lead-free gasoline.

*Open the fuel valve on the bottom of the fuel tank.

-NOTE-

Use gasoline with an octane rating no less than 87.

*The right hand foot pedal must be in the NEUTRAL position.

*The blade clutch switch must be in the OFF position.

*The parking brake must be ON.

3.Start the engine:

*Choke as required. If the engine is cold, pull the choke knob out. When the engine starts, slowly push the choke in. If the engine stalls, repeat the above operation. When the engine is warm, choking may not be necessary.

4.Depress the left hand operator presence pedal.

5.Engage the cutter blades by pulling the blade clutch switch into the ON position. Push the switch to the OFF position to disengage the cutter blades.

PULL UP TO ENGAGE

PUSH DOWN TO DISENGAGE

390S0138

6

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Scag Power Equipment STHM manual Mower Operation, Use gasoline with an octane rating no less than
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STHM specifications

Scag Power Equipment has long been known for its high-quality, reliable machinery, and their STHM line of products showcases some of the best features and technologies available in the landscaping equipment world. The STHM stands for Scag Turf-Hawk Mower, which combines efficiency and performance for both professional landscapers and homeowners seeking a durable mowing solution.

One of the standout features of the STHM is its robust engine options. With powerful engines from trusted brands, users can enjoy increased cutting performance and fuel efficiency. This ensures that the mower is not only capable of handling tough jobs but can also operate for extended periods without frequent refueling. The machinery is designed with professional landscapers in mind, providing them with the horsepower needed to tackle larger properties and more demanding conditions.

Another notable aspect of the STHM is its cutting deck design. Scag Power Equipment meticulously engineers their cutting decks for optimal airflow and discharge, creating a clean and even cut every time. The deck is often made of heavy-duty steel, ensuring durability and resistance to wear and tear. With adjustable deck heights, users can easily customize their mowing performance to suit different grass types and terrain conditions.

User comfort and control are also prioritized in the design of the STHM. The ergonomic controls and comfortable seating allow operators to work longer with less fatigue. Features like vibration dampening and adjustable armrests contribute to a smoother ride, making the entire mowing experience more pleasant.

In terms of technology, the STHM is equipped with advanced features such as precision steering and responsive handling. The zero-turn capability empowers users to maneuver around obstacles with ease, increasing efficiency and reducing mowing time. Additionally, some models include digital displays that provide real-time information about engine performance, fuel levels, and maintenance reminders, ensuring that the equipment runs optimally.

Maintenance is a breeze with the STHM thanks to features like easy-access service points, making routine upkeep simple and efficient. Users can quickly check oil levels, replace filters, and maintain blades, which contributes to the longevity and performance of the mower.

Overall, the Scag Power Equipment STHM line represents a commitment to quality and innovation, delivering powerful performance, user-friendly design, and advanced technology that appeals to both professionals and enthusiasts alike. Whether for residential or commercial use, the STHM offers everything needed for a precise and efficient mowing experience.
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