Scag Power Equipment STT-31BSG manual Housing Kit Includes Housing, Journal Bearing

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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

55

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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 Before Operation Considerations Safety InformationOperation Considerations Before Operation Considerations ContdOperation Considerations Contd Maintenance ConsiderationsSafety and Instructional Decals Drive System EngineEngine Deck Productivity SpecificationsAdditional Specifications Approximate DimensionsControls and Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemForward Travel Starting the EngineGround Travel and Steering Engaging the Deck Drive Cutter Blades Reverse TravelAfter Operation Hillside OperationParking the Mower Recommendations for Mowing Removing Clogged MaterialMoving Mower with Engine Stopped Towing optional hitch accessory Adjusting Cutting HeightCondition Cause Cure Troubleshooting Cutting ConditionsScalloped Cut, or Rough Contour Troubleshooting Contd Condition Cause CureGround Troubleshooting ContdTravel Adjustments AdjustmentsParking Brake Adjustment RH Steering Control Rod Adjustment Neutral AdjustmentBelt Alignment Tracking AdjustmentThrottle Control and Choke Adjustments Belt AdjustmentCutter Deck Pitch Cutter Deck AdjustmentsCutter Deck Level 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 Changing Hydraulic Oil Hydraulic SystemChecking Hydraulic Oil Level Changing Engine Crankcase Oil Engine OILChanging Hydraulic Oil Filter Element Checking Engine Crankcase Oil LevelEngine Fuel System Engine AIR CleanerBattery Battery Electrolyte First AID Charging the BatteryBlade Inspection Jump StartingDrive Belts Cutter BladesTires Blade ReplacementChecking Coolant Level Cutter Deck GearboxChecking Lubricant Level Cooling SystemBODY, DECK, and Upholstery Cleaning the Radiator Debris ScreenChecking The Fan Belt Tension Page 61A, 72A Cutter Decks Ref. Part Description Cutter Deck Controls Part Description Sheet Metal Components Wheel Assy Inc.items 20, 42, 43, 54 Deck Drive Components Ref. Part Description RADIATOR, Coolers & Engine Brackets Ref. Part No. No. Description Brake and Steering Components Part Description Fuel and Hydraulic System Ref. Part Description Electrical System Ref. Part No. No. Description Hydraulic Pump Assembly BDP-21L Housing Kit Includes Housing, Journal Bearing Wire HARNESS, STT 31BSG Part Number Heavy-Duty 48825 48314 481937 Limited Warranty Commercial Equipment 2002

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