Scag Power Equipment STT-28CAT manual Throttle Control and Choke Adjustments, Belt Adjustment

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Section 6

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6.Actuate the steering control levers forward and reverse several times and return them to the neutral position.

7.Check that the drive wheels remained in neutral and readjust if necessary.

8.Check that the steering control levers hit the stop before the pumps reach full stroke. Adjust as needed.

Tracking Adjustment

caution

Stop the engine and remove the key from the ignition before making any adjustments. Wait for all moving parts to come to a complete stop before beginning work.

caution

The engine and drive unit can get hot during operation causing burn injuries. Allow engine and drive components to cool before making any adjustments.

- NOTE -

Before proceeding with this adjustment, be sure that the caster wheels turn plus pivot freely and that the tire pressure in the drive wheels is correct. If the tire pressure is not correct, the machine will pull to the side with the lower pressure.

1.If at full speed the mower pulls right, it is an indication that the left wheel is turning faster than the right wheel. To adjust this condition, proceed as follows:

A. Stop the machine and place the steering control levers in the neutral position. Loosen the lock nuts securing the ball joints at each end of the LH steering control rod. Rotate the control rod to lengthen the rod and tighten the lock nuts. This will cause the control rod to stroke the LH pump less, slowing down the LH wheel. (See Figure 6-4, page 26)

- NOTE -

If after making the adjustment as outlined in step 1A, the machine creeps forward or backward, the neutral adjustment must be made as described on page 26.

2.If at full speed the mower pulls left, it is an indication that the right wheel is turning faster than the left wheel. To adjust this condition, proceed as follows:

A. Stop the machine and place the steering control levers in the neutral position. Loosen the lock nuts securing the ball joints at each end of the RH steering control rod. Rotate the control rod to lengthen the rod and tighten the lock nuts. This will cause the control rod to stroke the RH pump less, slowing down the RH wheel. (See Figure 6-3, page 26)

- NOTE -

If after making the adjustment as outlined in step 2A, the machine creeps forward or backward, the neutral adjustment must be made as described on page 26.

6.3Throttle Control and Choke Adjustments

These adjustments must be performed by your Scag dealer to ensure proper and efficient running of the engine. Should either need adjustment, contact your authorized Scag service center.

6.4 BELT ADJUSTMENT

WARNING

Before removing any guards, shut the engine off and remove the ignition key.

All drive belts and cutter deck belts are spring loaded and self-tensioning.The springs should be checked periodically

for proper alignment and wear.

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Contents OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator Table of Contents Inside Back Cover Limited Warranty Commercial EquipmentIntroduction General InformationDirection Reference Servicing The Engine and Drive TraiN ComponentsSymbol Description SymbolsBefore Operation considerations Safety InformationSignal Words Operation Considerations Section Foldable Roll-Over Protection System Roll-over protection systemSeat Belt Inspection Maintenance Considerations & storage Diesel Fuel only Safety and Instructional DecalsPower head SpecificationsEngine ElectricalCutter Deck Weights and DimensionsHydraulic System SMT61V SMT72VControls and Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemForward Travel Starting the EngineGround Travel and Steering Reverse Travel Engaging the Deck Drive Cutter BladesParking the Mower Hillside OperationAfter Operation Removing Clogged MaterialRecommendations for Mowing Adjusting Cutting HeightMoving Mower with Engine Stopped Adjusting the Steering Levers Adjusting the Height Adjust PedalTowing optional hitch accessory Condition Cause Cure Troubleshooting Cutting ConditionsTroubleshooting Cutting Conditions Contd Scalping Blades Hitting Parking Brake Adjustment AdjustmentsNeutral Adjustment Travel AdjustmentsTracking Adjustment Throttle Control and Choke AdjustmentsBelt Adjustment Belt Alignment Cutter Deck AdjustmentsCutter Deck Level Cutter Deck PitchCutter Deck Stop Cutter Deck HeightCustom-Cut Baffle Adjustment Custom-Cut Baffle AdjustmentMaintenance Chart Recommended Service Intervals MaintenanceLubrication Maintenance Chart Recommended Service Intervals ContdSection Changing Hydraulic Oil Checking Hydraulic Oil LevelEngine Fuel System Engine OilEngine Air Cleaner BatteryCleaning and/or Replacing Air Cleaner Element Replacing In-Line Fuel Filter ElementsDrive Belts Charging the BatteryCutter Blades Blade InspectionBlade Sharpening Blade ReplacementTires Cooling System Cutter Deck GearboxChecking Lubricant Level Changing LubricantChecking The Fan Belt Tension Cleaning the Radiator Debris ScreenBODY, DECK, and Upholstery Scag Approved Attachments and Accessories Illustrated Parts ListSection 61V & 72V Cutter Deck Description Cutter Deck Controls 481764 Link, Deck Lift Sheet Metal Components Sheet Metal Components Section STT ROLL-OVER Protection System with Suspension Seat 9292 Deck Drive Components Deck Drive Components Section Engine & Attaching Parts 28HP Cat diesel Section Engine & Attaching Parts 28HP Cat Diesel Section Radiator & Attaching Parts 28HP Cat Diesel Radiator & Attaching Parts 28HP Cat Diesel Brake and Steering Components Brake and Steering Components Section Fuel and Hydraulic System 28HP Cat Diesel Section Fuel and Hydraulic System 28HP Cat Diesel Section BDP-16A Hydraulic Pump Assembly with Cooling Fan Hex Screw, Flanged Head M10 x 1.50-65mm Section Electrical System 28HP Cat Diesel Electrical System 28HP Cat Diesel Heavy-Duty Commercial Sttkbd Decals Page2 Section Electrical Schematic 28HP Cat Diesel Limited Warranty Commercial Equipment