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

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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 Introduction General InformationDirection Reference Servicing the Engine and Drive Train ComponentsISO Symbols Fast Slow Safety Information Signal WordsBefore Operation Considerations Operation Considerations Before Operation Considerations ContdOperation Considerations Contd Maintenance ConsiderationsForward Reverse Engine Engine DeckDrive System Specifications Controls and Instrument Identification Operating InstructionsSafety Interlock System Starting 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 AdjustmentThrottle Control and Choke Adjustments Tracking AdjustmentBelt Adjustment Belt AlignmentCutter Deck Adjustments Cutter Deck LevelCutter Deck Pitch Cutter Deck Height Cutter Deck Height AdjustmentMaintenance 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 Hydraulic Oil Filter Element Engine OILChecking Engine Crankcase Oil Level Changing Engine Crankcase OilEngine AIR Cleaner BatteryEngine Fuel System Battery Electrolyte First AID Charging the BatteryDrive Belts Jump StartingBlade Sharpening Cutter BladesTires Blade ReplacementChecking Lubricant Level Cutter Deck GearboxCooling System Checking Coolant LevelCleaning the Radiator Debris Screen Checking The Fan Belt TensionBODY, DECK, and Upholstery 61A, 72A Cutter Decks Ref. Part Description Cutter Deck Controls Part Description Sheet Metal Components Ref. Part No. No Description Deck Drive Components Ref. Part Description RADIATOR, Coolers & Engine Brackets Ref. Part No. No. Description Brake and Steering Components Ref. Part Description Fuel and Hydraulic System Elbow, 90 Degree-1/4 NPT x 3/8 Hose 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 481588 481937 Limited Warranty Commercial Equipment 2000

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