Scag Power Equipment SCR manual Specifications, Engine, Electrical, Tractor

Page 10

Section 3

	SPECIFICATIONS
3.1 ENGINE
General Type	Heavy Duty Industrial/Commercial Gasoline
Brand	Kohler
Model	Command
Horsepower	25 HP at 3600 RPM (Scag Model SCR48-25CH)
Type	4 Cycle Gasoline, Twin Cylinder, Horizontal Shaft
Displacement	725 cc.
Cylinders	2 with Cast Iron Sleeves
Governor	Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed	1400 RPM
Fuel Pump Group	Mechanical Fuel Pump with In-Line Fuel Filter, Fixed Jet
	Carburetor with Smart-Choke™ and Fuel Shutdown Solenoid
Fuel	Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump Group:	Positive Displacement Gerotor™ Oil Pump with Remote Oil Filter
Starter	Electric Starting with Cell Starter
Belts:
Engine Belt	Scag Part Number - 481976
Blower Drive Belt	Scag Part Number - 481977
Pump Drive Belt	Scag Part Number - 481978
3.2 ELECTRICAL
Battery	12 Volt
Charging System	Alternator
Charging Output	12 Volt, 15Amp
System Polarity	Negative Ground
Starter	12 Volt Electric Solenoid Shift Type
Interlock Switches	Seat, Neutral Control, Mower Engagement (BBC), Hopper and
	Parking Brake
Instrument Panel	Ammeter, Hourmeter, Key Switch, Throttle Lever, Manual Choke,
	BBC Switch, and Fuses
Fuses	Two (2) 20Amp
3.3 TRACTOR
Drive System	Hydraulic Drive with Two Variable Displacement Pumps and Two
	Cast-iron High Torque Motors
Hydrostatic Pumps	Two Hydro-Gear ä BDP 10L Pumps with Dump Valves for
	movement without running the engine
Drive Wheel Motors	Two Ross Model MB 15cu. inch Cast-iron High Torque Motors
Steering/Travel Control	Twin Lever Fingertip Steering Control with Individual Control to
	Each Wheel
Parking Brake	Lever Actuated Linkage to Brakes on Both Drive Wheel Axles
Wheels:
(2) Front Caster	11 x 4.0-5 Smooth Tires
(2) Drive	23 x 9.5-12 Four-Ply Pneumatic Tubeless, Radius Edge
(1) Rear
Fuel Tank	Two, 3.75 gallon Polyethylene Tanks with Large Fuel Tank filler
	neck and Fuel Gauge Fill Caps
Tire Pressure:
Front Caster	25 PSI
Drive	12 PSI
Rear	25 PSI
Seat	Padded
	6

Image 10

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 ComponentsSignal Words Safety InformationBefore Operation Considerations Operation Considerations Maintenance Considerations Do not turn sharply. Use care when backing upSafety and Instructional Decals Install Belt Cover Before Operating MachineElectrical SpecificationsEngine TractorCutter Deck Weights and DimensionsTractor Contd Grass Catching SystemOperating Instructions Controls and Instrument IdentificationSafety Interlock System Blower Belt ReleaseStarting the Engine Ground Travel and SteeringForward Travel Reverse TravelEngaging the Deck Drive Cutter Blades Hillside OperationParking the Mower HOPPER, Mulch or Side Discharge OperationAfter Operation Grass Catching Operation 10 Tailgate OperationMulching Operation Side Discharge OperationRemoving Clogged Material Moving Mower with Engine Stopped Adjusting Cutting HeightRecommendations for Mowing Tilting the Cutter Deck Deck Locking Pin Locking Pin HoleTroubleshooting Cutting Conditions Condition Cause CureTroubleshooting Contd Condition Cause Cure Scalloped Cut, or Rough ContourTroubleshooting Contd GroundAdjustments Parking Brake AdjustmentNeutral Adjustment Travel AdjustmentsStart the engine and disengage the parking brake Tracking Adjustment Steering Handle Adjustment Drive linkageCutter Deck Adjustments Throttle Control and Choke AdjustmentsBelt Adjustment Belt AlignmentMaintenance Maintenance Chart Recommended Service IntervalsMaintenance Chart Recommended Service Intervals Contd Lubrication Grease Fitting Lubrication Chart see FigureLubrication Fitting Points Checking Engine Crankcase Oil Level Checking Hydraulic Oil LevelChanging Hydraulic Oil Engine Fuel System Changing Engine Crankcase OilChanging Engine Oil Filter Filling the Fuel TankEngine AIR Cleaner BatteryChecking Electrolyte Level and Cleaning Battery Cleaning and/or Replacing Air Cleaner ElementCharging the Battery Jump StartingCutter Blades Blade ReplacementDrive Belts Blade InspectionCutter Deck Gearbox TiresHopper Checking Lubricant LevelPower Unit Gearbox 10 Gearbox Drain PlugBODY, DECK, Hopper and Upholstery 13 Fluid LevelPage Cutter Deck Part Number Description Cutter Deck Support Components Cutter Deck Support Components Sheet Metal Sheet Metal Blower Assembly Blower Assembly Engine and Attaching Parts Engine and Attaching Parts Traction Drive Components Part Description Hydraulic Pump Housing Kit Includes Housing, Journal Bearing Cutter Deck Drive Gearbox Ref. Part No. No. Description Speed and Steering Controls Part Description Parking Brake Mechanism Parking Brake Mechanism Fuel and Hydraulic Components Ref. Part No. Number Description Electrical System Part Number Description Hopper Hopper Hopper Actuator Mechanism Ref. Part No. Number Description Replacement Decals and Information Plates Rotating Blades and BeltsSCR 2K RD2 Electrical Schematic Page Limited Warranty Commercial Equipment 1999