Scag Power Equipment STT61V-29DFI, STT-29DFI, STT61V-35BVAC Travel Adjustments, Neutral Adjustment

Page 31

Section 6

R

6.2 Travel Adjustments

Neutral or tracking adjustments will need to be made if:

A.The steering control levers are in the neutral position and the machine creeps forward or backward. See Neutral Adjustment on page 25 (next procedure).

B.The steering control levers are in the full forward position and the mower pulls to one side or the other when traveling in a forward direction. See Tracking Adjustment on page 26.

Neutral Adjustment

1.Be sure the dump valve levers are in the run position and the steering control levers are in the neutral lock position.

2.With an operator in the seat, start the engine and disengage the parking brake.

3.Run the engine at full operating speed and check if the machine creeps forward or backwards.

4.Adjust the RH wheel by loosening the jam nuts on the steering control rod and turning the rod until the drive wheel turns in the forward direction. Turn the rod back until the drive wheel stops moving. Turn the rod an additional 1/2 turn. See Figure 6-3.

CONTROL

ROD

LOOSEN

HERE

390S0149-1

LOOSEN HERE

ADJUST HERE

STT99RHCRA

Figure 6-3. RH Steering Control Rod Adjustment

5.Tighten the jam nuts and repeat for the LH wheel. See Figure 6-4.

LOOSEN

HERE

390S0147-1

LOOSEN HERE

ADJUST HERE

390S0146

Figure 6-4. LH Steering Control Rod Adjustment

25

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Contents OPERATOR’S Manual STT-35BVAC Remember Your Mower is only AS Safe AS the OperatorTable of Contents Troubleshooting Cutting Conditions Adjustments Limited Warranty Commercial Equipment Table of Contents Direction Reference IntroductionServicing The Engine And Drive Train Components Symbol Description SymbolsSafety Information Operation Considerations Section ROLL-OVER Protection System Seat Belt Inspection Spark Ignition System Forward Reverse Electrical EngineCutter Deck Power Head72VS Weights And Dimensions 52V 61VHydraulic System Productivity 52V 61VControls And Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemForward Travel Initial Run-In ProceduresStarting The Engine Ground Travel And SteeringReverse Travel Engaging The Deck Drive Cutter BladesParking The Mower Rotating BladesHillside Operation After OperationMoving Mower With Engine Stopped Adjusting Cutting HeightRecommendations For Mowing Adjusting The Height Adjust Pedal Adjusting The Steering LeversTowing Optional Hitch Accessory Condition Cause Cure Troubleshooting Cutting ConditionsCut, or Rough Contour Troubleshooting Cutting Conditions ContdScalping Blades Hitting Parking Brake Adjustment AdjustmentsNeutral Adjustment Travel AdjustmentsBelt Adjustment Throttle Control And Choke AdjustmentsTracking Adjustment Cutter Deck Pitch Cutter Deck AdjustmentsBelt Alignment Cutter Deck LevelCutter Deck Height Custom-Cut Baffle AdjustmentPosition Custom-Cut Baffle Adjustment 10. Clutch Air Gap Adjustment Electric clutch adjustmentMaintenance Chart Recommended Service Intervals MaintenanceLubrication Maintenance Chart Recommended Service Intervals ContdLubrication Fitting Points Changing Hydraulic Oil Checking Hydraulic Oil LevelEngine Fuel System Engine OilCleaning and/or Replacing Air Cleaner Element Engine Air CleanerReplacing In-Line Fuel Filter Elements Charging the Battery BatteryBlade Inspection Drive BeltsCutter Blades Jump StartingTires Blade ReplacementCooling System Cutter Deck GearboxBody, Deck, And Upholstery Cleaning the Radiator Debris ScreenChecking The Fan Belt Tension Liquid- Cooled Engines Only Section Scag Approved Attachments And Accessories Illustrated Parts ListSection Description 52V Cutter Deck61V & 72VS Cutter Decks Description Cutter Deck Controls Cutter Deck Controls Sheet Metal Components 9278 STT ROLL-OVER Protection System STT ROLL-OVER Protection System STT Suspension Seat Section Deck Drive Components 35BVAC Engine and Attaching Parts Kohler Available through the individual engine manufacturer Engine & Attaching Parts 27HP, 29DFI Kawasaki & 35BVAC Engine & Attaching Parts 27HP, 29DFI Kawasaki & 35BVAC Brake and Steering Components Bolt, Carriage 5/16-18 x STT Hydraulic System Base Fuel Models produced prior to 1/1/2011 STT Fuel System EPA PhaseSTT Fuel System EPA Phase 3 models produced after 1/1/2011 STT Fuel System EPA Phase STT FS Carb Teir 3 Rev2.eps STT-LE Fuel System C.A.R.B. Tier BDP-16A Hydraulic Pump Assembly BDP-16A Hydraulic Pump Assembly Port a Side Hex Screw, Flanged Head M10 x 1.50-65mm Section Electrical System Kohler & Briggs & Stratton Instrument Panel, Top w/Decals Electrical System 27HP Kawasaki Electrical System 27HP Kawasaki Electrical System 29DFI Kawasaki Electrical System 29DFI Kawasaki Heavy-Duty Replacement Decals and Information Plates1617 STT Electrical Schematic Kohler Engine STT Electrical Schematic 27HP KawasakiRelay Electrical Schematic 29DFI KawasakiSection STT Electrical Schematic 35BVAC Briggs & Stratton Limited Warranty Commercial Equipment

STT-35BVAC, STT61V-29DFI-LE, STT61V-35BVAC, STT61V-29DFI, STT-29DFI specifications

Scag Power Equipment is renowned for its high-quality lawn care machinery, and among its range of products, the STT series stands out, particularly the STT-29DFI, STT61V-35BVAC, STT61V-29DFI, STT61V-29DFI-LE, and STT-35BVAC models. These zero-turn mowers are designed to deliver exceptional performance, durability, and efficiency, catering to both commercial landscapers and homeowners alike.

The STT-29DFI offers an impressive 29 horsepower, powered by a state-of-the-art EFI engine. This model boasts an advanced deck design, featuring a robust 61-inch cutting width that ensures a clean and even cut. The mower's zero-turn capability allows for enhanced maneuverability, making it easier to navigate around obstacles and achieve a professional finish.

In comparison, the STT61V-35BVAC takes power to the next level with a 35 horsepower engine. This model is perfect for tackling larger areas and more challenging terrains. The vacuum-assisted cutting system effectively collects clippings, reducing cleanup time after mowing. The heavy-duty, reinforced steel frame ensures long-lasting durability, while the comfortable operator seat and control system enhance user experience.

The STT61V-29DFI is another remarkable addition to this lineup, featuring a 29 horsepower engine equipped with EFI technology. This model focuses on fuel efficiency, allowing operators to maximize output while minimizing fuel consumption. With its 61-inch cutting deck, it provides an excellent balance between power and precision, ideal for both commercial and residential use.

For those looking for a more specialized option, the STT61V-29DFI-LE includes enhancements aimed at professional landscapers, such as a premium seat suspension system for extended comfort during long operating hours. This model also features a customizable control panel, making it easier for operators to tailor settings to their specific needs.

Lastly, the STT-35BVAC integrates a robust 35 horsepower engine, along with advanced features that promote efficiency and productivity. This model's design prioritizes user-friendly operation, with intuitive controls and easy access to maintenance points. The vacuum system further enhances its capabilities by collecting grass clippings and debris as you mow, ensuring a tidy lawn at all times.

In summary, Scag Power Equipment's STT series is characterized by powerful engine options, advanced cutting technologies, and a commitment to durability and operator comfort. Whether you choose the STT-29DFI, STT61V-35BVAC, STT61V-29DFI, STT61V-29DFI-LE, or STT-35BVAC, you can expect a mower that stands up to the demands of any lawn care task.
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