Manuals / Scag Power Equipment / Lawn and Garden / Lawn Mower

Scag Power Equipment STT61V-25KBD-SS Belt Alignment, Cutter Deck Adjustments, Cutter Deck Level

Models: STT61V-25KBD-SS

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Section 6

6.5 Belt Alignment

Belt alignment is important for proper performance of your Scag mower. If you experience frequent belt wear or breakage, see your authorized Scag service center for belt adjustment.

6.6 Cutter Deck Adjustments

Cutter deck level, pitch and height are set at the factory. However, if these adjustments should ever need to be made, the following procedures will aid in obtaining the proper cutter deck adjustment.

- NOTE -

Before proceeding with the cutter deck adjustments, be sure that all tires are properly inflated.

Cutter Deck Level

The cutter deck should be level from side-to-side for proper cutting performance. To check for level, be sure that the mower is on a flat, level surface, the tires are properly inflated and the cutter deck is set at the most common cutting height that you will use. On the RH side of the machine, check the distance from the bottom of the cutter deck to the floor. Next check the distance from the bottom of the cutter deck to the floor on the LH side of the machine. Both measurements should be the same. If the two measurements are different, the cutter deck level must be adjusted as follows:

1.On the front LH side of the cutter deck locate the cutter deck level adjusting bracket. See Figure 6-5

ADJUST

HERE

LOOSEN

HERE

Figure 6-5. Cutter Deck Level Adjustment

2.Loosen the two (2) elastic stop nuts. Adjust the bolt up or down on the adjustment bracket to adjust the cutter deck until the distance from the bottom of the cutter deck to the floor is the same as the measurement on the RH side of the machine.

3.Tighten the two elastic stop nuts to secure the cutter deck in the proper position.

Cutter Deck Pitch

The pitch of the cutter deck should be equal between the front and rear of the cutter deck for proper cutting performance. To check for proper deck pitch, be sure that the mower is on a flat, level surface and the tires are properly inflated.

Check the distance from the bottom of the cutter deck to the floor at the rear RH side of the cutter deck directly behind the cutter deck hanging chains. Next check the distance from the bottom of the cutter deck to the floor at the front RH side of the cutter deck directly in front of the cutter deck hanging chains. The measurement at the front of the cutter deck should be equal to the measurement at the rear of the deck. Make these measurements at the LH side of the cutter deck also. If the measurement at the front of the deck is not equal, the cutter deck pitch must be adjusted as follows:

1.Loosen the jam nut on both adjusting rods. See Figure 6-6.

JAM NUT

ADJUST HERE

390S0174-1

Figure 6-6. Cutter Deck Level Adjustment

2.Using a wrench on the jam nut, turn the adjusting rods until the proper pitch is obtained on both the RH and the LH side of the cutter deck. Tighten both jam nuts. See Figure 6-6.

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Scag Power Equipment STT61V-25KBD-SS manual Belt Alignment, Cutter Deck Adjustments, Cutter Deck Level, Cutter Deck Pitch
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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.