Scag Power Equipment STT-31BSG manual Engine OIL, Changing Hydraulic Oil Filter Element

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Section 7

7.4 ENGINE OIL

HYDRAULIC￿

OIL FILTER

390S0155-1

Figure 7-3 Hydraulic Oil Filter

ENGINE OIL

DIPSTICK

STT-BSG99EOF

ENGINE OIL

FILTER

ENGINE OIL

C. Changing Hydraulic Oil Filter Element

The hydraulic oil filter should be changed after every 500 hours of operation or annually, whichever occurs first.

1.Remove the oil filter element (Figure 7-3) and properly discard it. Fill the new filter with clean oil and install the filter. Hand tighten only.

2.Run the engine at idle speed with the speed control lever in neutral for five minutes.

3.Check the oil level in the hydraulic tank. It must be 3-1/4" inches from the top of the filler neck. If necessary, add SAE 20W50 motor oil.

DRAIN PLUG

Figure 7-4 Engine Dipstick, Filter, Oil Drain

A. Checking Engine Crankcase Oil Level

The engine oil level should be checked after every 8 hours of operation or daily as instructed in the Engine Operator’s Manual furnished with this mower (See Figure 7-4).

B. Changing Engine Crankcase Oil

After the first 5 hours of operation, change the engine crankcase oil and replace the oil filter. Thereafter, change the engine crankcase oil after every 100 hours of operation or bi-weekly, whichever occurs first. Refer to the Engine Operator’s Manual furnished with this mower for instructions (See Figure 7-4).

C. Changing Engine Oil Filter

After the first 5 hours of operation, replace the engine oil filter. Thereafter, replace the oil filter after every 200 hours of operation or every month, whichever occurs first. Refer to Engine Operator’s Manual for instructions

(See Figure 7-4).

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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 Direction Reference General InformationIntroduction Servicing the Engine and Drive Train ComponentsISO Symbols CE Mark Fast Slow Safety Information Before Operation ConsiderationsBefore Operation Considerations Contd Operation ConsiderationsMaintenance Considerations Operation Considerations ContdSafety and Instructional Decals Engine Deck EngineDrive System Approximate Dimensions SpecificationsAdditional Specifications 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 BladesParking the Mower Hillside OperationAfter Operation Moving Mower with Engine Stopped Removing Clogged MaterialRecommendations for Mowing Adjusting Cutting Height Towing optional hitch accessoryTroubleshooting Cutting Conditions Condition Cause CureTroubleshooting Contd Condition Cause Cure Scalloped Cut, or Rough ContourTroubleshooting Contd GroundParking Brake Adjustment AdjustmentsTravel Adjustments Neutral Adjustment RH Steering Control Rod 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 Maintenance Maintenance Chart Recommended Service IntervalsMaintenance Chart Recommended Service Intervals Contd Lubrication Grease Fitting Lubrication Chart see FigureLubrication Fitting Points Checking Hydraulic Oil Level Hydraulic SystemChanging Hydraulic Oil Checking Engine Crankcase Oil Level Engine OILChanging Hydraulic Oil Filter Element Changing Engine Crankcase OilBattery Engine AIR CleanerEngine Fuel System Charging the Battery Battery Electrolyte First AIDCutter Blades Jump StartingDrive Belts Blade InspectionBlade Replacement TiresCooling System Cutter Deck GearboxChecking Lubricant Level Checking Coolant LevelChecking The Fan Belt Tension Cleaning the Radiator Debris ScreenBODY, DECK, and Upholstery 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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