R

Section 7

C. Changing Hydraulic Oil Filter Element

The hydraulic oil filter should be changed after every 500 hours of operation or annually, whichever occurs first.

1.Remove the oil filter element and properly discard it. See Figure 7-3. Fill the new filter with clean oil and install the filter. Hand tighten only.

2.Run the engine at idle speed with the speed control lever in neutral for five minutes.

3.Check the oil level in the hydraulic tank. It must be 3-1/4" inches from the top of the filler neck. If necessary, add SAE 20W50 motor oil.

7.4 Engine Oil

ENGINE OIL

DRAIN

Figure 7-5. Drain Plug Location

C. Changing Engine Oil Filter

ENGINE OIL

DIPSTICK

Figure 7-4. Engine Dipstick Location

A. Checking Engine Crankcase Oil Level

The engine oil level should be checked after every 8 hours of operation or daily as instructed in the Engine Operator’s Manual furnished with this mower.

B. Changing Engine Crankcase Oil

After the first 20 hours of operation, change the engine crankcase oil and replace the oil filter. Thereafter, change the engine crankcase oil after every 100 hours of operation or bi-weekly, whichever occurs first. Refer to the Engine Operator’s Manual furnished with this mower for instructions.

After the first 20 hours of operation, replace the engine oil filter. Thereafter, replace the oil filter after every 200 hours of operation or every month, whichever occurs first. Refer to Engine Operator’s Manual for instructions.

7.5 Engine Fuel System

DANGER

To avoid injury from burns, allow the mower to cool before removing the fuel tank cap and refueling.

A. Filling the Fuel Tank

Fill the fuel tank at the beginning of each operating day to within one (1) inch below the filler neck. Do not overfill. Use clean, fresh unleaded gasoline with a minimum octane rating of 87 and a maximum of 10% Ethanol.

DO NOT use E85 Fuel. Using E85 Fuel will cause severe damage to the engine.

To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive.

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Scag Power Equipment STT61V-31KB-DF manual Engine Oil, Engine Fuel System
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STT61V-31KB-DF specifications

The Scag Power Equipment STT61V-31KB-DF is a remarkable addition to the lineup of professional-grade mowers, tailored for those who require unmatched performance and durability. This zero-turn mower is designed with landscapers and lawn care professionals in mind, featuring cutting-edge technology and robust characteristics that elevate its functionality in various environments.

At the heart of the STT61V-31KB-DF is a powerful 31-horsepower Kawasaki engine. Renowned for its reliability and efficiency, this engine provides ample power, ensuring that even the most demanding tasks can be tackled with ease. This mower employs a dual-fuel capability, enabling operators to switch between gasoline and propane, thereby enhancing versatility and fuel consumption efficiency. This feature is particularly favorable for those looking to manage costs while maintaining high productivity.

One of the standout characteristics of the STT61V-31KB-DF is its 61-inch Velocity Plus cutting deck. The design of this deck allows for superior airflow, resulting in a clean cut even in tall grass. The adjustable cutting height ranges from 1 to 5 inches, giving users the flexibility to achieve the desired look for any lawn. The reinforced edges and heavy-duty construction ensure durability, enabling the mower to withstand the rigors of frequent use.

Another highlight is the innovative suspension system, which contributes to a smooth ride over uneven terrain. The adjustable anti-scalp rollers prevent lawn damage, ensuring that the mower glides effortlessly, maintaining high-quality cutting results. The ergonomic design of the operator controls allows users to navigate with ease, enhancing overall comfort during extended mowing sessions.

The machine is equipped with professional-grade wheels and a heavy-duty frame, providing stability and traction on various surfaces. Additionally, the intuitive dashboard incorporates easy-to-read gauges and controls, enabling operators to monitor performance and adjust settings instantly.

The Scag Power Equipment STT61V-31KB-DF exemplifies robust engineering, with a focus on performance, comfort, and durability. For those in the landscaping business or serious lawn enthusiasts, this mower stands out as a reliable companion that facilitates efficient and effective lawn care operations, making it a worthy investment.
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