Scag Power Equipment STT-31BSG Starting the Engine, Ground Travel and Steering, Forward Travel

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Section 4

4.3INITIAL RUN-IN PROCEDURES (First Day of Use or Approximately 10 Hours)

1.Check all belts for proper alignment and wear at 2, 4 and 8 hours.

2.Change the engine oil and oil filter after the first 5 hours of operation. (See Section 7.4.)

3.Check hydraulic oil level in reservoir. (See Section 7.3.)

4.Check for loose hardware. Tighten as needed.

5.Check interlock system for proper operation. (See Section 4.2.)

6.Check tire pressure. Adjust pressure if necessary. (See Section 7.10)

4.4 STARTING THE ENGINE

CAUTION:

DO NOT USE STARTING FLUIDS. Use of starting fluids in the air intake system may be potentially explosive or cause a “runaway” engine condition that could result in engine damage and/or personal injury.

1.Be sure the fuel shutoff valve, located behind the operator's seat, is completely open. (See section 7.5.)

2.Sit in the operator’s seat and place the steering control levers in the neutral position.

3.Engage the parking brake.

4.Place the PTO switch in the disengaged position.

5.If the engine is cold, choke the engine as needed.

6.Move the engine throttle control to about half engine speed.

7.Turn the ignition key to the START position and release the key as soon as the engine starts. Do not hold the key in the START position for more than 15 seconds at a time. Allow at least 60 seconds between each cranking attempt to prevent overheating of the starter motor. Prolonged cranking can damage the starter motor and shorten battery life.

8.Allow engine to warm before operating the mower.

4.5 GROUND TRAVEL AND STEERING

-IMPORTANT-

If you are not familiar with the operation of a machine with lever steering and/or hydrostatic transmissions, the steering and ground speed operations should be learned and practiced in an open area, away from buildings, fences, or obstructions. Practice until you are comfortable with the handling of the machine before attempting to mow. Learn the operation on flat ground before operating on slopes.

-IMPORTANT-

Start practicing with a slow engine speed and slow forward travel.

Learn to feather the steering controls to obtain a smooth operating action.

Practice operating the mower until you are comfortable with the controls before proceeding to mow.

Forward Travel

To travel forward with the mower, disengage the parking brake and slowly push the steering control levers forward an equal distance. The further the steering control levers are pushed forward the greater the forward speed will be. To increase the speed, push the steering control levers further forward and to decrease the speed, pull the steering control levers back.

To stop the forward travel, pull the steering control levers back to the neutral position.

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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 General Information IntroductionDirection Reference Servicing the Engine and Drive Train ComponentsISO Symbols Fast Slow Signal Words Safety InformationBefore Operation Considerations Before Operation Considerations Contd Operation ConsiderationsMaintenance Considerations Operation Considerations ContdForward Reverse Engine Deck EngineDrive System Specifications Operating Instructions Controls and Instrument IdentificationSafety Interlock System Ground 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 Deck Release LeverTroubleshooting 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 AdjustmentTracking Adjustment Throttle Control and Choke AdjustmentsBelt Adjustment Belt AlignmentCutter Deck Level Cutter Deck AdjustmentsCutter Deck Pitch Cutter Deck Height Adjustment Cutter Deck HeightMaintenance 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 Engine OIL Changing Hydraulic Oil Filter ElementChecking Engine Crankcase Oil Level Changing Engine Crankcase OilBattery Engine AIR CleanerEngine Fuel System Charging the Battery Battery Electrolyte First AIDJump Starting Drive BeltsBlade Sharpening Cutter BladesBlade Replacement TiresCutter Deck Gearbox Checking Lubricant LevelCooling System Checking Coolant LevelChecking The Fan Belt Tension Cleaning the Radiator Debris ScreenBODY, 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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