Scag Power Equipment STT-31BSG manual Jump Starting, Drive Belts, Cutter Blades, Blade Inspection

Page 37

Section 7

WARNING:

BATTERIES PRODUCE EXPLOSIVE GASES. Charge the battery in a well ventilated space so gases produced while charging can dissipate.

Charging rates between 3 and 50 amperes are satisfactory if excessive gassing or spewing of electrolyte does not occur or the battery does not feel excessively hot (over 125°F). If spewing or gassing occurs or the temperature exceeds 125°F, the charging rate must be reduced or temporarily stopped to permit cooling.

C. Jump Starting

1.The booster battery must be a 12 volt type. If a vehicle is used for jump starting, it must have a negative ground system.

2.When connecting the jumper cables, connect the positive cable to the positive battery post, then connect the negative cable to the negative battery post.

WARNING:

Always wear proper hand and eye protection when working with cutter blades.

3.Check the cutter blades for straightness. If the cutter blades appear bent, they will need to be replaced.

WARNING:

Do not attempt to straighten a bent blade, and never weld a broken or cracked blade. Always replace it with a new blade to assure safety.

4.If a blade cutting edge is dull or nicked, it should be sharpened. Remove the blades for sharpening. See "Blade Replacement."

-NOTE-

Keep the blades sharp. Cutting with dull blades not only yields a poor mowing job, but slows the cutting speed of the mower and causes extra wear on the engine and the blade drive by pulling hard.

7.8 DRIVE BELTS

B. Blade Sharpening

All drive belts are spring loaded and self-tensioning, however after the first 2, 4, 8 and 10 hours of operation, the belts should be checked for proper alignment and wear. Thereafter, check the belts after every 40 hours of operation or weekly, whichever occurs first.

-NOTE-

If you experience frequent belt wear or breakage, see your authorized Scag service center for belt adjustment.

-NOTE-

If possible, use a file to sharpen the blade. Using a wheel grinder may burn the blade.

-NOTE-

DO NOT sharpen the blades beyond 1/3 of the width of the blade. See Figure 7-9, Page 34.

1.Sharpen the cutting edge at the same bevel as the original. See Figure 7-9, Page 34. Sharpen only the top of the cutting edge to maintain sharpness.

7.9CUTTER BLADES

A. Blade Inspection

1.Remove the ignition key before servicing the blades.

2.Raise the mower deck to the highest position. Place the lanyard pin in the highest cutting height positon to prevent the cutter deck from falling.

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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 CE Mark Fast Slow Before Operation Considerations Safety InformationOperation Considerations Before Operation Considerations ContdOperation Considerations Contd Maintenance ConsiderationsSafety and Instructional Decals Engine Deck EngineDrive System Additional Specifications SpecificationsApproximate Dimensions ProductivityControls and Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemGround Travel and Steering Starting the EngineForward Travel Engaging the Deck Drive Cutter Blades Reverse TravelParking the Mower Hillside OperationAfter Operation Moving Mower with Engine Stopped Removing Clogged MaterialRecommendations for Mowing Towing optional hitch accessory Adjusting Cutting HeightCondition Cause Cure Troubleshooting Cutting ConditionsScalloped Cut, or Rough Contour Troubleshooting Contd Condition Cause CureGround Troubleshooting ContdParking Brake Adjustment AdjustmentsTravel Adjustments RH Steering Control Rod Adjustment Neutral AdjustmentThrottle Control and Choke Adjustments Tracking AdjustmentBelt Adjustment Belt AlignmentCutter Deck Level Cutter Deck AdjustmentsCutter 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 Checking Hydraulic Oil Level Hydraulic SystemChanging Hydraulic Oil Changing Hydraulic Oil Filter Element Engine OILChecking Engine Crankcase Oil Level Changing Engine Crankcase OilBattery Engine AIR CleanerEngine Fuel System Battery Electrolyte First AID Charging the BatteryDrive Belts Jump StartingCutter Blades Blade InspectionTires Blade ReplacementChecking Lubricant Level Cutter Deck GearboxCooling System 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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