Section 7

4.Fill the reservoir to 3-1/4" inches from the top of the filler neck with SAE 20W50 motor oil.

5.Replace the reservoir fill cap. Start the engine and drive forward and backward for two minutes. Check the oil level in the reservoir. If necessary, add oil to the reservoir.

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 (Figure 7-3, Page 31) and properly discard it. Fill the new filter with clean SAE 20W50 engine 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.

ENGINE OIL

ENGINE OIL

FILLER

DRAIN PLUG

 

ENGINE OIL

FILTER

STC99KEOP

Figure 7-5 Kohler & Kawasaki Engine Oil Fill/

Dipstick, Filter and Drain Plug Locations

C. Changing Engine Oil Filter

After the first 5 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

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

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 5 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.

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 1 inch below the filler neck. Do not overfill. Use clean, fresh unleaded gasoline with a minimum octane rating of 87.

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

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

2.Use only an approved gasoline container.

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Scag Power Equipment STWC operating instructions Engine Fuel System, Engine OIL
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STWC specifications

The Scag Power Equipment STWC, or the Scag Turf Tiger Walk Behind Mower, is a powerful and durable machine designed for the professional landscaper and serious lawn care enthusiast. Known for its robust construction and high-performance capabilities, the STWC provides exceptional cutting efficiency and versatility in various mowing conditions.

One of the standout features of the STWC is its industrial-grade engine options. With choices ranging from EFI to air-cooled variants, users benefit from superior power and fuel efficiency. The mower's engine options ensure that operators can tackle tough mowing tasks with confidence. The STWC is equipped with a high-capacity fuel tank, allowing for extended run times, making it ideal for larger properties or commercial applications.

The STWC features Scag's proprietary Hydro-Gear transmission system, which provides smooth operation and excellent maneuverability. This system allows for precise speed control and helps reduce operator fatigue. Additionally, the mower's heavy-duty steel frame and mower deck contribute to its durability, ensuring it can withstand the rigors of professional use. The cutting deck is available in various sizes, accommodating individual preferences and mowing requirements.

Ergonomic design is a hallmark of the STWC, ensuring comfort during extended hours of operation. The handlebars are adjustable to suit different operator heights, and the soft-touch grips minimize vibration, enhancing user comfort. The mower also features commercial-grade components, including high-performance blades and a high-efficiency air filtration system, which contribute to a cleaner cutting performance.

Another noteworthy characteristic is the mower's versatility. The STWC can be equipped with various accessories and attachments, such as grass catchers, mulch kits, and even spreaders, allowing users to customize their mower for a range of tasks. This adaptability makes it an excellent choice for both residential and commercial landscaping needs.

In terms of maintenance, the STWC is designed for ease, with quick-access components and simple service points. Regular maintenance can be performed conveniently, ensuring the machine remains in peak operating condition.

Overall, the Scag Power Equipment STWC stands out as a high-performance walk-behind mower that combines power, durability, and versatility. Its innovative technologies and thoughtful design make it a preferred choice among professionals who demand reliability and excellent cutting results. Whether for home use or commercial landscaping, the STWC promises a superior mowing experience.
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