Scag Power Equipment STT-29DFI, STT61V-35BVAC, STT61V-29DFI-LE, STT-35BVAC manual Base

Page 71

Section 8

R

STT HYDRAULIC SYSTEM

Ref.

Part No.

Description

No.

 

 

1

04110-01

U-Nut 1/4-20

248136-13 Hose Clamp, 0.69” Dia.

304001-03 Bolt, Hex Head 1/4-20 x 2.0”

4

48811

Hose, 3/8” ID Pushlock - (order by inch)

548136-07 Clamp, Hose 1/2”

6481301-03 Elbow, 90 Degree - 1/4” NPT x 3/8” Hose

7482266-01 Elbow, 90 Degree - 9/16” O-Ring x 3/8”

 

 

Hose

8

48471-02

Oil Filter Base

9

482606

Hose Assembly, 1/2” ID (Tank to Filter

 

 

Base)

10

425437

Mounting Bracket - LH, Oil Cooler

 

425490

Mounting Bracket - LH, Oil Cooler

 

 

(35BVAC)

 

425438

Mounting Bracket - RH, Oil Cooler

 

425491

Mounting Bracket - RH, Oil Cooler

 

 

(35BVAC)

1104043-04 Flatwasher, 3/8” (.391 x .938 x .105”) Grade 8

1204021-09 Nut, Hex Elastic Stop 3/8-16

13

482696

Pump, Right Hand

 

483100

Pump w/Fan, Right Hand (29DFI,35BVAC)

1404001-32 Bolt, Hex Head, 3/8-16 x 1-1/4”

1504021-09 Nut, Hex, Elastic Stop 3/8-16

16

482695

Pump, Left Hand

 

483101

Pump w/Fan, Left Hand (29DFI, 35BVAC)

17

481793

Block, Pump Control

1804001-09 Bolt, Hex Head 5/16-18 x 1.0” Zinc

1904019-03 Nut, Serrated Flange 5/16-18

20

48758

Oil Filter

21

482483

Tee, 3/4” O-Ring x JIC x 1/2” Hose

22

04021-08

Nut, Hex Elastic Stop 1/4-20

23

481164

Cap, Hydraulic Tank

24

481507

Insert, Filler Neck

25

48603-02

O-Ring

26

461451

Oil Reservoir Assembly (incl. 24, 27, 39)

27

482572

Elbow, 90 Degree .38” Hose

 

482571

Bushing, .56” Dia. Viton

28

48136-13

Hose Clamp, 0.69” Dia.

29

48811

Hose, 3/8” ID, Pushlock (order by inch)

30

04010-10

Screw, Phillips Head, 1/4-20

31

48571-02

Cap

32

422694

Clamp Plate, Pump Control

33

48136-05

Clamp, Hose

3448350-02 Elbow, 90 Degree, 1/2” x 1/2”

48350-05 Elbow, 90 Degree, 5/8” x 1/2” (35BV Only)

3548938-02 Bushing, 7/8”-14 JIC x 3/4”-16 O-Ring

36

482505

Cooler, Oil

3704001-08 Bolt, Hex Head 5/16-18 x 3/4”

3804003-02 Bolt, Carraige 1/4-20 x 3/4”

39

482574

Elbow, 90 Degree

 

482573

Bushing, .78” Dia. Viton

40

423513

Strap, Hydraulic Tank

** Available through the individual engine manufacturer.

Ref.

Part No.

Description

No.

 

 

41

423485

Support Bracket, Hydraulic Tank

42

481611

Hose Assembly, Pump (27CH, 27KA,

 

 

29DFI)

4348572-04 Union, 3/4”-16 JIC x 3/4”-16 O-Ring

4404001-59 Bolt, Hex Head, 1/4-20 x 1-1/4”

4504030-02 Lockwasher, 1/4” Spring

4604060-09 Roll Pin, Spring 3/16 x 3/4”

65

Image 71
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 Servicing The Engine And Drive Train Components IntroductionDirection Reference 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 OperationRecommendations For Mowing Adjusting Cutting HeightMoving Mower With Engine Stopped 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 AdjustmentsTracking Adjustment Throttle Control And Choke AdjustmentsBelt 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 OilReplacing In-Line Fuel Filter Elements Engine Air CleanerCleaning and/or Replacing Air Cleaner Element Charging the Battery BatteryBlade Inspection Drive BeltsCutter Blades Jump StartingTires Blade ReplacementCooling System Cutter Deck GearboxChecking The Fan Belt Tension Liquid- Cooled Engines Only Cleaning the Radiator Debris ScreenBody, Deck, And Upholstery 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.