R

Section 7

- NOTE -

DO NOT sharpen the blades beyond 1/3 of the width of the blade. See Figure 7-7.

1.Sharpen the cutting edge at the same bevel as the original. See Figure 7-7. Sharpen only the top of the cutting edge to maintain sharpness.

Angle Blade Back

Do Not Cut In

 

X Must NOT Exceed

30

1/3 Blade Width

SGB033

 

Figure 7-7. Blade Sharpening

2.Check the balance of the blade. If the blades are out of balance, vibration and premature wear can occur. See your authorized Scag dealer for blade balancing or special tools, if you choose to balance your own blades.

C. Blade Replacement

WARNING

Always wear proper hand and eye protection when working with cutter blades.

1.Remove the ignition key before replacing the blades.

2.Raise the mower deck to the highest position. Place the lanyard pin in the highest cutting height position to prevent the cutter deck from falling.

3.Secure the cutter blades to prevent them from rotating, (use the optional Blade Buddy tool P/N 9212, to assist in securing the cutter blades), remove the nut from the blade attaching bolt. Remove the cutter blade, bolt and spacer from the spindle shaft. See Figure 7-8.

- NOTE -

The front of the machine will have to be raised slightly to remove the blade bolt from the cutter spindle.

4.To install the new cutter blade, put the flat washer onto the blade bolt and slide the bolt into the hole in the cutter blade.

HEX NUT-TORQUE

TO 75 LB-FT

SPINDLE

SHAFTCUTTER DECK

HEX HEAD

BOLT / NUT

SPINDLE

ASSEMBLY

 

CUTTER BLADE

 

SPACER

 

CUTTER

WASHER

BLADE

 

 

HEX HEAD BOLT

Figure 7-8. Blade Replacement

- NOTE -

Be sure that the blade is installed with the lift wing toward the top.

5.Install the spacer onto the blade bolt and insert the bolt into the cutter spindle shaft.

6.Install the hex nut to the blade bolt at the top of the cutter spindle. Secure the blades from rotating and torque to 75 lb-ft. See Figure 7-8.

38

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Scag Power Equipment STT61V-29KB-DF manual Blade Replacement, Blade Sharpening

STT61V-29KB-DF specifications

The Scag Power Equipment STT61V-29KB-DF is a robust and powerful zero-turn mower designed for professional landscapers and homeowners seeking superior performance and efficiency. With a 61-inch cut width and a powerful 29 HP Kawasaki engine, this mower offers exceptional cutting capabilities, enabling users to tackle large lawns and challenging terrain with ease.

One of the standout features of the STT61V-29KB-DF is its patented Velocity Plus cutting deck. This innovative design enhances grass flow, resulting in a clean and precise cut. The deck's airflow is optimized to lift the grass for an even cut, ensuring a professional-quality finish every time. The mower's cutting height can be easily adjusted to suit different types of grass and seasonal conditions, providing versatility for various mowing tasks.

In addition to its performance features, the STT61V-29KB-DF is built with durability in mind. The heavy-duty steel frame and reinforced cutting deck provide lasting durability, allowing it to withstand the demands of frequent use in tough environments. The mower also boasts a high-quality paint finish that protects against rust and corrosion, ensuring the machine remains in great condition even after years of use.

The ergonomic design of the STT61V-29KB-DF enhances operator comfort and control. The cushioned seat provides support for long mowing sessions, while the easy-to-use joystick controls allow for smooth maneuverability and precise handling. This design reduces operator fatigue and increases productivity, making it a favorite among landscape professionals.

Another notable technology in the STT61V-29KB-DF is its hydrostatic transmission, which provides seamless speed and direction changes without the need for gear shifting. This feature allows for superior control and responsiveness, especially when navigating around obstacles or tight spaces.

Safety features are also prioritized in the design of this mower. It includes an automatic safety shut-off system that stops the blades when the operator leaves the seat, while the robust structure provides stability on slopes and uneven terrain.

Overall, the Scag Power Equipment STT61V-29KB-DF is a top-tier zero-turn mower that combines power, performance, and user-friendly features, making it an ideal choice for anyone looking to achieve a flawless cut while ensuring maximum operator comfort and safety. With its blend of advanced technologies and durability, this model stands out in the competitive market of landscaping equipment.