R

Section 7

7.11 Cutter Deck Gearbox

A. Checking Lubricant Level

Caution

The cutter deck gearbox can reach high operating temperatures. Allow the cutter deck gearbox to cool before servicing.

 

CUTTER DECK

CHECK

GEARBOX

PLUG

390S0161

 

Figure 7-8. Cutter Deck Gearbox

The fluid level in the cutter deck gearbox should be checked after every 100 hours of operation or bi-weekly, whichever occurs first. See Figure 7-8.

1.Lower the cutter deck to its lowest position to gain access to the cutter deck gearbox.

2.Clean and remove the check plug from the side of the gearbox. Visually check that the lubricant level is up to the bottom edge of the check plug hole. If lubricant is low, add SAE 80/90 lubricant through the check plug hole in the gearbox until it is level with the bottom of the check plug hole. Install the check plug and tighten securely. See Figure 7-8.

B. Changing Lubricant

The lubricant in the cutter deck gearbox should be changed every 500 hours of operation or yearly, whichever occurs first.

1.Place a suitable container beneath the cutter deck gearbox and locate the gearbox drain plug.

2.Remove the drain plug and drain the lubricant into the container and properly discard it.

3.Re-install the drain plug and add EP-80/90 lubricant through the check plug hole in the gearbox until it is level with the bottom of the check plug hole. Install the check plug and tighten securely.

7.12 Cooling System

WARNING

To avoid burns, always allow the engine to cool before removing the radiator cap.

A. Checking Coolant Level

The coolant level should be checked before each day of operation.

1.Remove the radiator cap by turning it slowly counterclockwise to the first stop and allow any pressure to be released. Push down on the cap and turn counterclockwise to remove.

2.Visually check the coolant level. The coolant level should be up to the bottom of the filler neck as shown in Figure 7-9. Add a mixture of coolant and soft water as needed.

- NOTE -

Refer to the coolant manufacturers's instructions for the proper coolant mixture ratio.

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Scag Power Equipment STT61V-25KBD-SS Cutter Deck Gearbox, Cooling System, Checking Lubricant Level, Changing Lubricant
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STT61V-25KBD-SS specifications

Scag Power Equipment has long been recognized for its durable, high-performance lawn care machines, and the STT61V-25KBD-SS is no exception. This commercial-grade lawn mower is designed to meet the demanding needs of professional landscapers and homeowners alike, offering unmatched efficiency, comfort, and cutting quality.

At the heart of the STT61V-25KBD-SS is a robust 25 horsepower Kawasaki engine, known for its reliability and outstanding power delivery. This powerhouse enables the mower to navigate through tough grass and varied terrains seamlessly, ensuring that no job is too big or challenging. The engine’s performance is complemented by a hydrostatic drive system, which provides smooth and responsive operation without the need for gear shifting, allowing operators to focus on their mowing task without interruption.

One of the standout features of the STT61V-25KBD-SS is its 61-inch Velocity Plus cutting deck. This innovative deck design promotes superior airflow, resulting in an exceptional cut quality and a clean discharge of clippings. The three-blade system allows for versatile cutting options, making it suitable for both residential lawns and commercial properties. Users will appreciate the adjustable cutting height, which offers a range between 1 inch and 4.5 inches to accommodate various grass types and conditions.

In addition to its cutting prowess, the STT61V-25KBD-SS prioritizes operator comfort and convenience. It features a comfortable seat with cushioning and armrests, providing support during long hours of operation. The ergonomic controls ensure easy maneuverability, allowing operators to navigate efficiently around obstacles.

Durability is another hallmark of Scag Power Equipment, and the STT61V-25KBD-SS is no exception. Its heavy-duty steel frame and components are engineered to withstand the rigors of commercial use, ensuring longevity and reliability. The mower's easy-to-access maintenance points simplify routine servicing, further enhancing its practicality.

Overall, the Scag Power Equipment STT61V-25KBD-SS is a powerful, versatile, and durable mower that stands out in the commercial lawn care market. With its impressive engine, advanced cutting deck technology, and operator-focused design, it represents an excellent investment for anyone serious about maintaining pristine lawns. Whether for professional landscaping or personal use, this mower delivers exceptional results time and time again.
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