Scag Power Equipment STT-31BSD manual Hydraulic Pump Assembly BDP-21L

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		HYDRAULIC PUMP ASSEMBLY - BDP-21L

Ref.	Part
No.	No.	Description
1	HG 2510065	Housing Kit (Includes Housing, Journal Bearing)
2	HG 2510066	End Cap
3	HG 50641	Straight Headless Pin
4	HG 50633	Socket Head Screw
5	HG 50381	End Cap Gasket
6	HG 2510071	Charge Pump Kit (Includes Charge Cover, Gerotor Assy., O-Ring)
7	HG 50406	Gerotor Assembly
8	HG 9004100-1430	O-Ring
9	HG 70402	Charge Relief Valve Kit
10	HG 9007200-3116	Socket Head Screw
11	HG 2510027	Check Valve Kit (Includes Check Plug, Spring, O-Ring, Orifice Check Valve)
12	HG 2513030	Bypass Valve Kit (Includes Bypass Valve, O-Ring, Back-up Ring)
13	HG 50619	Valve Plate
14	HG 70080	Cylinder Block Kit
15	HG 50574	Trunion Seal Retaining Ring
16	HG 2510073	Overhaul Kit
17	HG 50552	Roller Thrust Bearing
18	HG 50203	Swash Plate
19	HG 2000014	Trunnion Arm
20	HG 2000015	Guide Slot
21	HG 2000025	Block Spring
22	HG 2000037	Lip Seal
23	HG 50601	Pump Shaft
24	HG 2000032	Ball Bearing
25	HG 2000038	Retaining Ring
26	HG 51092	Lip Seal
27	HG 2000038	Retaining Ring
28	HG 2000023	Spacer

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Contents OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator Table of Contents Table of Contents Contd Servicing the Engine and Drive Train Components General InformationIntroduction Direction ReferenceISO Symbols CE Mark Fast Slow Safety Information Signal WordsBefore Operation Considerations Operation Considerations Before Operation Considerations ContdRoll Over Protection System Operation Considerations ContdSeat Belt Inspection STT-BSD With Roll Over Protection System Maintenance Considerations & StorageSafety and Instructional Decals Engine Engine DeckDrive System Productivity SpecificationsAdditional Specifications Approximate DimensionsControls and Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemStarting the Engine Ground Travel and SteeringForward Travel Engaging the Deck Drive Cutter Blades Reverse TravelHillside Operation Parking the MowerAfter Operation Removing Clogged Material Moving Mower with Engine StoppedRecommendations for Mowing Deck Release Lever Adjusting Cutting HeightCondition Cause Cure Troubleshooting Cutting ConditionsScalloped Cut, or Rough Contour Troubleshooting Contd Condition Cause CureGround Troubleshooting ContdAdjustments Parking Brake AdjustmentTravel Adjustments RH Steering Control Rod Adjustment Neutral AdjustmentBelt Alignment Tracking AdjustmentBelt Adjustment Throttle ControlCutter Deck Adjustments Cutter Deck LevelCutter Deck Pitch Cutter Deck Height Custom-Cut Baffle AdjustmentCustom-Cut Baffle Maintenance Chart Recommended Service Intervals MaintenanceLubrication Grease Fitting Lubrication Chart see Figure Maintenance Chart Recommended Service Intervals ContdLubrication Fitting Points Hydraulic System Checking Hydraulic Oil LevelChanging Hydraulic Oil Changing Engine Crankcase Oil Engine OILChanging Hydraulic Oil Filter Element Checking Engine Crankcase Oil LevelEngine AIR Cleaner BatteryEngine Fuel System Jump Starting Charging the BatteryBlade Inspection Blade ReplacementDrive Belts Cutter BladesTires Cutter Deck GearboxChecking Lubricant Level Checking Coolant Level Cleaning the Radiator Debris ScreenChanging Lubricant Cooling SystemBODY, DECK, and Upholstery Checking The Fan Belt TensionPage 61A, 72A Cutter Decks Ref. Part Description Cutter Deck Controls Part Description Sheet Metal Components Wheel Assy Inc.items 20, 42, 43, 54 STT Roll Over Protection System Ref. Part No. No. Description Deck Drive Components Ref. Part Description Radiator & Engine Brackets Radiator & Engine Brackets Brake and Steering Components Part Description Fuel and Hydraulic System Ref. Part Description Electrical System 35 483072 Hour Meter HYDRAULICHYDRAULICPUMPPUMPASSEMBLYASSEMBLY- BDP-21L Hydraulic Pump Assembly BDP-21L Wire HARNESS, STT 31BSD Part Number Heavy-Duty 482367 48825 481937 48314 Limited Warranty Commercial Equipment