Section 4

R

6.Hourmeter (Figure 4-1). Indicates the number of hours the engine has been operated. It only operates when the engine is running. Has preset maintenance reminders for engine and hydraulic system oil changes. Will start flashing scheduled maintenance 2 hours before preset time and continue flashing until 2 hours after. Automatically resets.

7.Fuse Holders (Figure 4-1). There is one 20 amp fuse and one 50 amp resettable fuse that protect the mower's electrical system. To replace fuses, pull fuse out of the socket and install a new fuse.

8.Left Steering Control (Figure 4-1). Used to control the mower's left wheel when traveling forward or reverse.

9.Right Steering Control (Figure 4-1). Used to control the mower's right wheel when traveling forward or reverse.

10.Parking Brake Control (Figure 4-1). Used to engage and disengage the parking brakes. Pull the lever back to engage the parking brakes. Push the lever forward to disengage the parking brakes.

11.Fuel Tank Gauge (Figure 4-1). Indicates the amount of fuel in the fuel tank.

12.Dump Valve Control Levers (Figure 4-2). Located on the hydraulic pumps, used to “free-wheel” the mower. Rotating the levers clockwise until they stop allows the unit to move under hydraulic power. The levers must be in this position and torqued to 10 lb-ft during operation of the mower. Rotating the levers counter-clockwise allows the mower to be moved by hand (free-wheeling).

14.Cutting Height Adjustment (Figure 4-1). Used to set the cutter deck at the desired cutting height.

15.Deck Release Lever (Figure 4-1). Used to lock the cutter deck in the transport position. Push the foot pedal forward and pull back on the release lever to release the cutter deck for normal mowing.

16.Temperature Gauge (Figure 4-1). Indicates the operating temperature of the engine. Used on mowers with the liquid-cooled engine only

17.Seat Belt (Figure 4-1).Used to secure the operator. Seat belt must be worn at all times when the ROPS is in the upright and locked position.

18.Seat Hold Down Release Latch (Figure 4-1). Located behind the seat. Used to secure the seat in the operator's position. Release the latch to gain access under the seat.

19.Fuel Selection Switch (Figure 4-1). Used to select the type of fuel the engine will operate on. Selection can be made for either Gasoline or LP.

4.2 Safety Interlock System

The mower is equipped with a safety interlock system that prevents the engine from starting unless the deck drive is disengaged, the parking brake is engaged, the steering control levers are in the neutral position and the operator is in the seat. The interlock system shuts off the engine if the operator leaves the seat with the steering control levers not in the neutral position and/or the cutter blades engaged and the parking brake not engaged.

DUMP VALVE CONTROL

WARNING

Never operate the mower with the interlock system disconnected or malfunctioning. Do not disengage or bypass any switch; injury to yourself and others or property damage could result.

390S141-1

Figure 4-2. Dump Valve Control

13.Deck Lift Foot Lever (Figure 4-1). Used to raise and lower the cutter deck. Push full forward to lock in the transport position.

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Scag Power Equipment STT61V-31KB-DF manual Safety Interlock System, Dump Valve Control
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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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