Engine Air Cleaner | Scag Power Equipment STT-31EFI-SS manual

Section 7

1.Extinguish all cigarettes, cigars, pipes and other sources of ignition.

2.Use only an approved gasoline container.

3.Never remove the gas cap or add fuel with the engine running. Allow the engine to completely cool before fueling.

4.Never fuel the machine indoors or in an enclosed trailer.

5.Never store the machine or fuel container where there is an open flame, spark or pilot light such as on a water heater or other appliances.

6.Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.

7.Remove the machine from the truck or trailer and fuel on the ground. If this is not possible, then refuel the machine with a portable container, rather than from a gasoline dispenser nozzle.

8.Keep the nozzle in contact with the rim of fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device.

9.If fuel is spilled on clothing, change clothing immediately and wash affected skin.

10.Replace gas cap and tighten securely.

B. Replacing In-Line Fuel Filter Elements

WARNING

Fuel System from the fuel pump to the engine is under high pressure.The fuel system after the fuel pump must be serviced by an Authorized Scag Power Equipment Dealer only.

The engine fuel filter should be replaced after every 500 hours of operation or annually, whichever occurs first. See Figure 7-6.

1.Close the shut-off valve.

2.Remove the two clamps securing the fuel filter to the fuel hose. Remove the fuel filter.

3.Install a new fuel filter. Be sure it is installed in the proper direction. Secure to the fuel hose using the two clamps.

4.Open the fuel shut-off valve.

Fuel Filter

(with high pressure hose clamps above and below)

STT-EFI-

Figure 7-6. Fuel Filter

7.6 Engine Air Cleaner

A. Cleaning and/or Replacing Air Cleaner Element

For any air cleaner, the operating environment dictates the air cleaner service periods. Inspect and clean the air cleaner element after every 100 hours of operation or bi-weekly, whichever occurs first and replace the element if required. See Engine Owner's Manual for service information.

- NOTE -

In extremely dusty conditions it may be necessary to check the element once or twice daily to prevent engine damage.

1.Unhook the clamps securing the air cleaner cover to the air filter canister. Remove the air cleaner cover and set aside.

2.Remove the air cleaner and inspect.

3.Clean or replace the air cleaner and foam pre-cleaner as recommended by the engine manufacturer.

4.Replace the air cleaner cover and be sure to snap the latches closed.

STT-31EFI-SS specifications

Scag Power Equipment is renowned for producing high-quality commercial mowing equipment, and the STT-31EFI-SS stand-on mower is no exception. Designed with professional landscapers in mind, the STT-31EFI-SS offers a perfect blend of power, efficiency, and maneuverability.

One of the standout features of the STT-31EFI-SS is its 31 hp EFI (Electronic Fuel Injection) engine. This powerhouse engine not only delivers impressive power but also enhances fuel efficiency. The EFI technology ensures that the engine operates at optimal performance by automatically adjusting the air-to-fuel ratio under varying conditions. This results in smoother starts, improved throttle response, and reduced emissions, making the mower both environmentally friendly and cost-effective in the long run.

The STT-31EFI-SS features a durable construction built to withstand the rigors of commercial use. Its robust steel frame and heavy-duty components are designed for maximum longevity. Moreover, the mower is equipped with Scag's cutting-edge Hydro-Gear ZT-3400 transmission, which offers exceptional speed and agility. This transmission allows operators to navigate tight spaces with ease and provides a top speed of up to 10.5 mph, making it ideal for large properties or demanding mowing tasks.

Operator comfort is another key aspect of the STT-31EFI-SS. The stand-on design promotes better visibility and quick maneuverability, enabling operators to navigate obstacles with confidence. The padded operator platform and adjustable controls ensure a comfortable experience, even during extended use. Additionally, the mower’s low center of gravity enhances stability on slopes and uneven terrain.

One of the most notable characteristics of the STT-31EFI-SS is its advanced cutting deck. The mower features a 48", 52", or 61" Velocity Plus cutting deck, which is known for delivering a superior cut and impressive grass dispersal. The deck is engineered for optimal airflow, enabling precision mowing while preventing clumping. This technology ensures that grass clippings are evenly distributed, resulting in a healthier lawn appearance.

In conclusion, the Scag STT-31EFI-SS stand-on mower integrates powerful performance, innovative engineering, and comfort. Featuring a reliable EFI engine, robust construction, and exceptional maneuverability, this mower stands out as an excellent choice for professional landscapers seeking efficiency and reliability in their equipment.

Scag Power Equipment STT-31EFI-SS Engine Air Cleaner, Replacing In-Line Fuel Filter Elements

Models: STT-31EFI-SS