Scag Power Equipment STT-31EFI-SS Belt Guard, Rear Hinge, Belt Guard 481309 Latch, Hood 482845

Page 57

Section 8

R

DECK DRIVE COMPONENTS

Ref.

Part No.

Description

No.

 

 

1423925 Belt Guard, Rear

2481531 Hinge, Belt Guard

3

481309

Latch, Hood

4

482845

Rod Assembly, Clutch Anti-Rotation

5

48030-09

Clamp, Cable

6461661 Clutch, Ogura GT-3.5

7482876 Belt, Deck Drive

8

483088

Spring, Transmission Idler

9

48181

Pulley, Idler 5” Dia.

10

481536

Tapered Hub, 1” Bore

11

482949

Pulley, 6.70” Tapered Bore

12481884 Tapered Hub, 17mm Bore

13483678 Belt, Pump Drive

14

483214

Pulley, Idler 4” Dia.

15

483675

Pulley, 5.367” Dia. - 1.125” Bore

16

43631

Spacer, Idler Bearing

17

04063-14

Key, 5.0 x 5.0 x 25mm

18

48224

Ball Bearing

19

481284

Bumper, Rubber

20

482744

Pulley, 5.75” O.D.

21

482667

Spring, PTO

22

461609

Idler Arm Weldment, PTO Drive

23

43632

Pivot, Idler PTO

24

461697

Spindle Assembly, Deck Drive

25

481035

Nut, 1.06-18 Thread

26

43297

Spindle Bushing, Bottom

27

481025

Seal, 2.0” O.D. x 1.625” Bore

28

481022

Roller Bearing Tapered

29

43312

Spacer, Outside

30

43296

Spacer, Inside

31

48114-04

Grease Fitting, 1/4-28

32

48677

Relief Fitting

33

43644

Spindle Housing

34

481022

Roller Bearing Tapered

35

481024

Seal, 2.0” O.D. x 1.5” Bore

36

43534

Shaft, Deck Drive

37

461608

Idler Arm Weldment, Pump Drive

38482438 Driveshaft (Liquid-Cooled Engine)

3904012-08 Set Screw, 3/8-16 x 3/4” Torx Socket

4004011-11 Screw, #10-32 x .56

4104041-07 Flatwasher, 3/8 (.391 x .938 x .105”)

4204069-01 Pin, Rue Cotter 3/8” Dia.

43

43507

Stud, Anti Rotation

44

461801

Pump Mounting Plate Weld. (Liquid-

 

 

Cooled)

45

04019-04

Nut, Serr. Flng. 3/8-16

Ref.

Part No.

Description

No.

 

 

4604019-02 Nut, Serr. Flng. 1/4-20

4704003-07 Bolt, Carriage 1/4-20 x 1/2”

4804021-22 Nut, Elastic Stop 5/16-18 Grd. 8

4904001-176 Bolt, Hex Hd. 5/16-18 x 1-3/4” Grd. 8

5004063-06 Key, 1/4 x 1/4 x 1-1/2”

5104001-171 Bolt, Hex Hd. 3/8-16 x 4-1/2” Grd. 8 Black

5204043-04 Washer, 3/8” Hardened

5304001-135 Bolt, Hex Hd. 3/8-16 x 1-3/4” Grd. 8 Black

5404001-136 Bolt, Hex Hd. 3/8-16 x 1-1/2” Grd. 8 Black

5504001-170 Bolt, Hex Hd. 3/8-16 x 2-1/2” Grd.8

5604021-05 Nut, Center Lock 3/8-16

5704001-136 Bolt, Hex Hd. 3/8-16 x 1-1/2” Grd. 8 Black

5804021-09 Nut, Elastic Stop 3/8-16

5904001-45 Bolt, Hex Hd. 3/8-16 x 2”

6004001-109 Bolt, Hex Hd. 1/4-20 x 1-3/8”

6104030-02 Lockwasher, 1/4” Spring

6204001-101 Bolt, Hex Hd. 7/16-20 x 2-1/2” UNF

6304030-05 Lockwasher, 7/16” Spring

6404041-28 Flatwasher, 7/16 (.469 x 1.75 x .25”)

6504001-172 Bolt, Hex Hd. 1/4-20 x 1” Grd. 8

6604001-21 Bolt, Hex Hd. 3/8-16 x 1-3/4”

6704019-03 Nut, Serr. Flng. 5/16-18

6804021-09 Nut, Elastic Stop 3/8-16

6904001-19 Bolt, Hex Hd. 3/8-16 x 1”

7004021-05 Nut, Center Lock 3/8-16

7104001-21 Bolt, Hex Hd. 3/8-16 x 1-3/4”

7204063-02 Key, 1/4 x 1/4 x 2-1/4”

7304063-20 Key, 1/4 x 1/4 x 1”

74

424138

Bracket

75

43063

Spacer

76

04001-19

Bolt, Hex Hd. 3/8-16 x 1”

53

Image 57
Contents OPERATOR’S Manual STT61V-31EFI-SS With a serial number E3700001 to E3799999STT-31EFI-SS Table of Contents Following Section AdjustmentsGeneral Information USE only Scag Approved Attachments and AccessoriesIntroduction Direction ReferenceSymbols Symbol DescriptionSTT Models Signal Words Safety InformationThis symbol means Attention! Become Alert! Your Signal WordOperation Considerations Section Foldable Roll-over protection system if equipped Roll-Over Protection SystemFoldable Roll-Over Protection System Using a spark arrestor Maintenance Considerations & StorageSafety And Instructional Decals Install Belt COvER Before Power Head SpecificationsEngine ElectricalWeights And Dimensions Cutter DeckHydraulic System Controls And Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemStarting The Engine Initial Run-In ProceduresGround Travel And Steering Forward TravelReverse Travel Engaging The Deck Drive Cutter BladesParking The Mower Hillside OperationAfter Operation Removing Clogged MaterialAdjusting Cutting Height Moving Mower With Engine StoppedRecommendations For Mowing Adjusting The Height Adjust Pedal Adjusting The Steering LeversTowing Optional Hitch Accessory Condition Cause Cure Troubleshooting Cutting ConditionsGround Wavy High-Low Appearance, Scalloped E v e n C u t o n F l atCut, or Rough Contour Sloping Ridge AcrossDirt or CuttingVery Close To the Ground Scalping Blades HittingStep Cut Ridge in Center Cutting pathBrake Adjustment AdjustmentsRH Steering Control Rod Adjustment Neutral AdjustmentTracking Adjustment Throttle Control and Choke AdjustmentsCutter Deck Pitch Cutter Deck LevelCutter Deck Height Cutter Deck Height AdjustmentCustom-Cut Baffle Adjustment Position Custom-Cut Baffle Adjustment Early ModelsPosition Custom-Cut Baffle Adjustment Current Production Position Custom-Cut Baffle Adjustment Clutch Air Gap Adjustment Electric clutch adjustmentMaintenance Chart Recommended Service Intervals MaintenanceProcedure Comments Break-In 100 200 500 First HoursLocation Lubrication Interval Lubricant NO. Places LubricationLubrication Fitting Points Changing Hydraulic Oil Checking Hydraulic Oil LevelEngine Fuel System Engine OilEngine Air Cleaner Cleaning and/or Replacing Air Cleaner ElementReplacing In-Line Fuel Filter Elements Charging the Battery BatteryBattery Electrolyte First AID Jump StartingDrive Belts Blade ReplacementCutter Blades Blade InspectionTires Cutter Deck GearboxChecking Lubricant Level Cooling System Cleaning the Radiator Debris ScreenChanging Lubricant Checking Coolant LevelChecking The Fan Belt Tension Body, Deck, And UpholsteryScag Approved Attachments And Accessories Illustrated Parts ListIllustrated Parts List 61V & 72VS Cutter Decks Description Cutter Deck Controls Cutter Deck Controls Sheet Metal Components Fender Weldment, RH Bolt, Hex Hd., 5/16-18 x 1, Zinc 43606 STT ROLL-OVER Protection System with Suspension Seat STT ROLL-OVER Protection System with Suspension Seat Deck Drive Components Belt Guard, Rear Hinge, Belt Guard 481309 Latch, Hood 482845 Engine & Attaching Parts 31HP-EFI Kohler Available through the individual engine manufacturer Brake and Steering Components Grip, Handle Bar Fuel and Hydraulic System Kohler 31EFI 24 403 BDP-16A Hydraulic Pump Assembly with Cooling FAN HG70924 Charge Pump Kit .19 STD. Splined HG51457 Electrical System 31HP-EFI Kohler Electrical System 31HP-EFI Kohler Heavy-Duty Commercial STT-EFI Decals Page2 Electrical Schematic Kohler 31HP EFI Limited Warranty Commercial Equipment Garantía Limitada Equipo Comercial Radiador del desechos de criba la de Limpieza .B Tapicería y plataforma CuerpoVentilador del correa la de tensión la de Verificación .C NotaLa de cambios de Caja Refrigeración de SistemaCorte de plataforma Cuchilla la de Reemplazo .C LlantasNota Cuchilla la de Reemplazo .8-7 Figura Corte de cuchillas con trabajar al ojos yTransmisión de Correas Corte de CuchillasCuchilla la de Inspección .A Puente por Arranque .BBatería la de Carga .A BateríaAgua con Enjuague externo Contacto Batería DE Electrolito Para Auxilios PrimerosAire de filtro del elemento del reemplazo y/o Limpieza .A Motor del aire de FiltroLínea en combustible de filtro Del elementos los de Reemplazo .BMotor del Aceite Motor del combustible de SistemaHidráulico Sistema Hidráulico aceite de nivel del Verificación .AHidráulico aceite de Filtro .3-7 Figura Conexión de puntos de Lubricación .1-7 Figura Lubricación Ciones Lubricación Ubica Lubricante Ubicación DE IntervaloHoras Recomendados servicio de Intervalos mantenimiento de Tabla MantenimientoMontaje de accesorios de Ubicación Montaje de Ranura Personalizado corte de deflector del Ajuste Posiciones 7 de personalizado corte de deflector del AjustePosiciones 3 de personalizado corte de deflector del Ajuste Corte de plataforma la de Tope .8-6 Figura Corte de plataforma la de AlturaCorte de Plataforma la de altura de Ajuste .7-6 FiguraCorte de plataforma la de Inclinación Corte de plataforma la de NivelCorte de Plataforma la de nivel del Ajuste .5-6 Figura Estrangulación y aceleración De controles los de AjustesAlineación de Ajuste Neutral Ajuste Desplazamiento de AjustesEstacionamiento de freno del Ajuste AjustesFreno de varilla la de Ajuste .2-6 Figura Freno del vAjuste .1-6 FiguraLa de ancho del través Corte de trayectoriaInclinadas Crestas Inclinado CorteInclinadas Salientes La de ancho lo aIrregular perfil o Volado corte onduladaEntre cortar sin césped Corte de trayectoriasDe Franjas Vetas La en cortar sin céspedAltura la de ajuste de pedal del Ubicaciones .8-4 Figura Opcional enganche de accesorio RemolqueDirección de palancas las de Ajuste Altura de ajuste de pedal del AjusteDirección De palancas las de Ajuste .7-4 Figura Plataforma la de liberación de Palanca .6-4 FiguraCésped el Corte de altura la de AjusteCortar para Recomendaciones Detenido motor el con cortacésped del DesplazamientoOperación la de Después Atascado material del RetriroCortacésped del Estacionamiento Cuesta una en OperaciónReversa en Desplazamiento Corte de cuchillas plataforma de transmisión la de ConexiónCortador Del accionamiento de Interruptor .3-4 FiguraMotor del Arranque Dirección y terreno el en DesplazamientoInicial arranque de Procedimientos Adelante hacia DesplazamientoDescarga de válvula de Control .2-4 Figura Seguridad de bloqueo de SistemaLa Indica .1-4 Figura combustible de Indicador Usado .1-4 Figura dirección de derecho ControlOperación DE Instrucciones Instrumentos e controles de IdentificaciónInstrumentos e Controles .1-4 Figura Productividad Dimensiones y PesosPotencia de Cabezal EspecificacionesEléctrico Sistema MotorSeguridad de y instructivas Calcomanías REvErSA AdELAntEChispas de supresor un Utilice Almacenamiento y mantenimientoDe Consideraciones Muerte la o graves lesiones ocasionar Mantener y inspeccionar de incumplimiento ElVuelco contra protección de plegable Sistema .1-2 Figura Vuelco contra protección de Sistema Equipado viene si vuelco contraProtección de Plegable Sistema Peligro Operación de Consideraciones Información Seguridad DEOperación la a previas Consideraciones Señalización de PalabrasSímbolos STT ModelosDescripción Símbolo General Información Instrucciones de ReferenciaScag POR Aprobados Dispositivos USE Sólo List Parts Illustrated 8 Sección Sección Sigue Comercial Equipo Limitada GarantíaMantenimiento 7 Sección Ajustes 6 SecciónEspecificaciones 3 Sección Operación DE Instrucciones 4 SecciónSeguridad DE Información 2 Sección General Información 1 Sección61V-SMT 72VS-SMTSS-31EFI-STT SS-31EFI-STT61VOperador DEL Manual

STT-31EFI-SS specifications

Scag Power Equipment is renowned for producing high-quality commercial mowing equipment, and the STT-31EFI-SS stand-on mower is no exception. Designed with professional landscapers in mind, the STT-31EFI-SS offers a perfect blend of power, efficiency, and maneuverability.

One of the standout features of the STT-31EFI-SS is its 31 hp EFI (Electronic Fuel Injection) engine. This powerhouse engine not only delivers impressive power but also enhances fuel efficiency. The EFI technology ensures that the engine operates at optimal performance by automatically adjusting the air-to-fuel ratio under varying conditions. This results in smoother starts, improved throttle response, and reduced emissions, making the mower both environmentally friendly and cost-effective in the long run.

The STT-31EFI-SS features a durable construction built to withstand the rigors of commercial use. Its robust steel frame and heavy-duty components are designed for maximum longevity. Moreover, the mower is equipped with Scag's cutting-edge Hydro-Gear ZT-3400 transmission, which offers exceptional speed and agility. This transmission allows operators to navigate tight spaces with ease and provides a top speed of up to 10.5 mph, making it ideal for large properties or demanding mowing tasks.

Operator comfort is another key aspect of the STT-31EFI-SS. The stand-on design promotes better visibility and quick maneuverability, enabling operators to navigate obstacles with confidence. The padded operator platform and adjustable controls ensure a comfortable experience, even during extended use. Additionally, the mower’s low center of gravity enhances stability on slopes and uneven terrain.

One of the most notable characteristics of the STT-31EFI-SS is its advanced cutting deck. The mower features a 48", 52", or 61" Velocity Plus cutting deck, which is known for delivering a superior cut and impressive grass dispersal. The deck is engineered for optimal airflow, enabling precision mowing while preventing clumping. This technology ensures that grass clippings are evenly distributed, resulting in a healthier lawn appearance.

In conclusion, the Scag STT-31EFI-SS stand-on mower integrates powerful performance, innovative engineering, and comfort. Featuring a reliable EFI engine, robust construction, and exceptional maneuverability, this mower stands out as an excellent choice for professional landscapers seeking efficiency and reliability in their equipment.