Manuals / Scag Power Equipment / Lawn and Garden / Lawn Mower

Scag Power Equipment STC Checking Hydraulic Oil Level, Changing Hydraulic Oil

Models: STC

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Section 7

7.3 HYDRAULIC SYSTEM

A. Checking Hydraulic Oil Level

The hydraulic oil level should be checked after the first 10 hours of operation. Thereafter, check the oil after every 200 hours of machine operation or monthly, whichever occurs first.

-IMPORTANT-

If the oil level is consistently low, check for leaks and correct immediately.

1.Wipe dirt and contaminants from around the reservoir cap. Remove the cap from the hydraulic oil reservoir.

2.Visually check the level of hydraulic oil. Hydraulic oil must be at least 3" inches from top of the filler neck. If the level cannot be determined visually, use a clean tape measure to check the level. If the fluid is low, add 20W50 motor oil. DO NOT overfill; (overfilling the oil reservoir may cause oil seepage).

3.Clean the fill cap and install it onto the reservoir.

B. Changing Hydraulic Oil

The hydraulic oil should be changed after every 500 hours or annually, whichever occurs first. The oil should also be changed if the color of the fluid has become black or milky. A black color and/or a rancid odor usually indicates possible overheating of the oil, and a milky color usually indicates water in the hydraulic oil.

-IMPORTANT-

The hydraulic oil should be changed if you notice the presence of water or a rancid odor to the hydraulic oil.

1.Park the mower on a level surface and stop the engine.

2.Place a suitable container under the hydraulic oil filter. Tilt the seat forward. Remove the fill cap from the reservoir and the drain plug from the bottom of the drain tee fitting on the front side of the filter base. (See Figure 7-3). Allow the fluid to drain into the container and properly discard it.

HYDRAULIC OIL RESERVOIR

STC2002HOR

HYDRAULIC OIL

DRAIN PLUG

HYDRAULIC OIL FILTER

STC2001HODP

Figure 7-3 Hydraulic Oil Filter and Drain Plug

3.Re-install the drain plug into the tee fitting and be sure it is tight.

-NOTE-

Figure 7-2 Hydraulic Oil Reservoir

Before refilling the hydraulic oil reservoir the hydraulic oil filter should be changed as outlined in section C -Changing Hydraulic Oil Filter Element- on the next page.

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Scag Power Equipment STC operating instructions Checking Hydraulic Oil Level, Changing Hydraulic Oil

Contents

OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator Table of Contents Table of Contents Contd Direction Reference General InformationIntroduction Servicing the Engine and Drive Train ComponentsISO Symbols CE Mark Fast Slow Signal Word Safety InformationSignal Words Before Operation ConsiderationsBefore Operation Considerations Contd Operation ConsiderationsOperation Considerations Contd Roll Over Protection System OptionalMaintenance Considerations Safety and Instructional Decals Electrical SpecificationsEngine TractorHydraulic System Tractor ContdCutter Deck ProductivityOperating Instructions Controls and Instrument IdentificationSafety Interlock System Dump Valve ControlGround Travel and Steering Starting the EngineForward Travel Reverse Travel Engaging the Deck Drive Cutter BladesRemoving Clogged Material Hillside OperationAfter Operation Parking the MowerMoving Mower with Engine Stopped Adjusting Cutting HeightRecommendations for Mowing Towing Optional Hitch Accessory Adjusting Cutting HeightTroubleshooting Cutting Conditions Condition Cause CureTroubleshooting Contd Condition Cause Cure Ground Adjustments Parking Brake AdjustmentTravel Adjustments Neutral AdjustmentBelt Adjustment Tracking AdjustmentThrottle Control and Choke Adjustments Belt AlignmentCutter Deck Level Cutter Deck AdjustmentsCutter Deck Pitch Custom-Cut Baffle Adjustment Cutter Deck HeightCustom-Cut Baffle Break-In 100 200 500 Procedure Comments First MaintenanceMaintenance Chart Recommended Service Intervals HoursLubrication Grease Fitting Lubrication Chart see Figure Maintenance Chart Recommended Service Intervals ContdProcedure Comments Break-In 100 200 500 First Lubrication Fitting Points Checking Hydraulic Oil Level Changing Hydraulic OilEngine OIL Engine Fuel SystemBattery Engine AIR CleanerCleaning and/or Replacing Air Cleaner Element Replacing In-Line Fuel Filter ElementBattery Electrolyte First AID Charging the BatteryJump Starting Cutter Blades Blade ReplacementDrive Belts Blade InspectionTires BODY, DECK, and Upholstery48A& 52A Cutter Decks Part Description Cutter Deck Controls Cutter Deck Controls Sheet Metal Components Sheet Metal Components Drive System Components Ref. Part No. No. Description Engine and Attaching Parts Kawasaki & Kohler Part Description 19KA 20CV 21KA 23KA Engine and Attaching Parts Honda Engine Oil Filter P/N 33A 29, 29A Steering Components Brake Components Brake Components Fuel and Hydraulic System Ref. Part Description Electrical System Part Description Hydraulic Pump Assembly Housing Kit Commercial 482166R STC 2003 RDP2 Electrical Schematic KAWASAKI, Kohler & Honda Limited Warranty Commercial Equipment Garantía Limitada Equipo Comercial Comprimido Aire use motor el lave No .caliente está LlantasCuchilla la de Reemplazo 10-7 Figura Mientras equipo del parte ninguna lave NoCuchilla la de Reemplazo .C Cuchillas las de Afiliado .BPara apropiada protección la lleve Siempre Cuchilla la de Afilado 9-7 FiguraBatería la de Carga .A Puente por Arranque .BBatería DE Electrolito Para Auxilios Primeros Línea en combustible BateríaAire de filtro Motor DEL Aire DE FiltroMotor DEL Combustible DE Sistema Combustible de tanque del Llenado .AMotor DEL Aceite Hidráulico aceite de nivel el Verificar .A Hidráulico aceite de Cambio .BHidráulico Sistema Lubricación DE Grasa DE Conexiones Accesorios DE Lubricación DE Tabla Lubricación Observaciones Procedimiento 500 200 100Observaciones Procedimiento 500 200 100 Inicial Uso MantenimientoRecomendados Servicio DE Intervalos Mantenimiento DE Tabla HorasPersonalizado Corte de plataforma la de Altura Posiciones 3 tres en colocar puede se deflector ElCorte de plataforma la de Nivel Corte DE Plataforma LA DE AjustesEstrangulación Y Aceleración DE Controles LOS DE Ajustes Correa LA DE AjusteCorrea LA DE Alineación Desplazamiento DE Ajustes Neutral AjusteDirección de control de varillas de Ajuste .3-6 Figura Freno de varilla la de Ajuste .2-6 Figura AjustesEstacionamiento DE Freno DEL Ajuste Freno de Ajuste .1-6 FiguraSolución Causa Condición Solución Causa Condición Continuación Fallas DE Solución De Franjas Vetas Corte de trayectoriasEntre cortar sin césped La en cortar sin céspedOpcional Enganche DE Accesorio Remolque Plataforma la de liberación de Palanca 4-4 Figura Corte DE Altura LA DE AjusteCésped EL Cortar Para Recomendaciones Detenido Motor EL CON Cortacésped DEL DesplazamientoOperación LA DE Después Atascado Material DEL RetiroCortacésped DEL EstacionamientoCorte DE Cuchillas Plataforma DE Transmisión LA DE Conexión Reversa en DesplazamientoHoras 10 aproximadamente Uso de día Primer Inicial Motor DEL ArranqueArranque DE Procedimientos Seguridad DE Bloqueo DE Sistema De fusibles Dos 1-4 Figura PortafusiblesOperación DE Instrucciones Instrumentos E Controles DE IdentificaciónCorte DE Plataforma ProductividadContinuación Tractor Eléctrico Sistema EspecificacionesTractor MotorSeguridad DE Y Instructivas Calcomanías Mantenimiento DE Consideraciones Opcional Vuelco Contra Protección DE Sistema ContinuaciónOperación DE Consideraciones Continuación Operación LA a Previas Consideraciones El opere Nunca .accionado no estacionamientoSeñalización de Palabra Seguridad DE InformaciónOperación Señalización DE PalabrasDescripción Símbolo ISO Símbolos Instrucciones DE Referencia General InformaciónIntroducción Mantenimiento 7 Sección Continuación Contenido DE TablaRepuesto de Piezas 8 Sección Ajustes 6 SecciónContenido DE Tabla General Información 1 SecciónAdvertencia Manual