Scag Power Equipment STT52V-25CH-LP Cutter Deck Gearbox, Tires, Checking Lubricant Level

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R

Section 7

HEX NUT-TORQUE

TO 75 LB-FT

SPINDLE

SHAFTCUTTER DECK

HEX HEAD

BOLT / NUT

SPINDLE ASSEMBLY

CUTTER BLADE SPACER

7.11 Cutter Deck Gearbox

A. Checking Lubricant Level

Caution

The cutter deck gearbox can reach high operating temperatures. Allow the cutter deck gearbox to cool before servicing.

The fluid level in the cutter deck gearbox should be checked after every 100 hours of operation or bi-weekly, whichever occurs first.

1.Lower the cutter deck to to its lowest position to gain access to the cutter deck gearbox.

2.Clean and remove the check plug from the side of the gearbox. See Figure 7-8.

 

CUTTER

WASHER

BLADE

 

 

HEX HEAD BOLT

Figure 7-7. Blade Replacement

- NOTE -

Be sure that the blade is installed with the lift wing toward the top.

5.Install the spacer onto the blade bolt and insert the bolt into the cutter spindle shaft.

6.Install the hex nut to the blade bolt at the top of the cutter spindle. Secure the blades from rotating and torque to 75 lb-ft. See Figure 7-7.

7.10 Tires

Check the tire pressures after every 8 hours of operation or daily.

Caster Wheels

Flat Free

Drive Wheels

12 PSI

 

CUTTER DECK

CHECK

GEARBOX

PLUG

390S0161

 

Figure 7-8. Cutter Deck Gearbox

3.Visually check that the lubricant level is up to the bottom edge of the check plug hole. If lubricant is low, add SAE 80W90 lubricant through the check plug hole in the gearbox until it is level with the bottom of the check plug hole. Install the check plug and tighten securely.

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Contents OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator STT61V-25CH-LPTable of Contents Troubleshooting Cutting Conditions Adjustments Inside Back CoverDirection Reference General InformationIntroduction Servicing The Engine And Drive Train ComponentsSymbols Symbol DescriptionSafety Information Signal WordsBefore Operation Considerations Know the function of all controls and how to stop quickly Operation ConsiderationsSection Roll-Over Protection System Foldable Roll-Over Protection SystemSeat Belt Inspection Maintenance Considerations & Storage Using a spark arrestorSPARK Ignition System Section Engine SpecificationsPower Head ElectricalHydraulic System Weights And Dimensions 52V 61VCutter Deck Productivity 52V 61VOperating Instructions Controls And Instrument IdentificationSafety Interlock System Initial Run-In ProceduresStarting The Engine Ground Travel And SteeringForward Travel Engaging The Deck Drive Cutter Blades Reverse TravelParking The Mower Rotating BladesHillside Operation After OperationAdjusting Cutting Height Moving Mower With Engine StoppedRecommendations For Mowing Adjusting The Steering Levers Adjusting The Height Adjust PedalTowing Optional Hitch Accessory Troubleshooting Cutting Conditions Condition Cause CureTroubleshooting Cutting Conditions Contd Cut, or Rough ContourScalping Blades Hitting Adjustments Parking Brake AdjustmentTravel Adjustments Neutral AdjustmentThrottle Control and Choke Adjustments Tracking AdjustmentCutter Deck Level Cutter Deck PitchCutter Deck Height Adjustment Cutter Deck HeightCustom-Cut Baffle Adjustment Custom-Cut Baffle AdjustmentElectric clutch adjustment 10. Clutch Air Gap AdjustmentMaintenance Maintenance Chart Recommended Service IntervalsMaintenance Chart Recommended Service Intervals Contd LubricationLubrication Fitting Points Checking Hydraulic Oil Level Changing Hydraulic OilEngine Oil Engine Fuel SystemEngine Air Cleaner BatteryCleaning and/or Replacing Air Cleaner Element Charging the Battery Drive BeltsJump Starting Blade Inspection Blade ReplacementCutter Blades Blade SharpeningCutter Deck Gearbox TiresChecking Lubricant Level Body, Deck, And Upholstery Changing LubricantIllustrated Parts List Scag Approved Attachments and AccessoriesSection Section 52V Cutter Deck DescriptionSection 61V Cutter Deck 461863 Cutter Deck Velocity Plus Cutter Deck Controls 481764 Link, Deck Lift Sheet Metal Components 9278 STT ROLL-OVER Protection System STT ROLL-OVER Protection System STT Suspension Seat Section Deck Drive Components Bolt, Hex Head 3/8-16 x Engine and Attaching Parts Kohler LP Available through the individual engine manufacturer Brake and Steering Components Bolt, Carriage 5/16-18 x Hydraulic System Kohler LP Base LP System Kohler Available through the individual engine manufacturer BDP-16A Hydraulic Pump Assembly BDP-16A Hydraulic Pump Assembly Electrical System Kohler LP Electrical System Kohler LP Heavy-Duty Replacement Decals and Information Plates Electrical Schematic Kohler LP Limited Warranty Commercial Equipment

STT61V-25CH-LP, STT52V-25CH-LP specifications

Scag Power Equipment has long been synonymous with durability and performance in the lawn care industry, and their STT52V-25CH-LP and STT61V-25CH-LP mowers exemplify this commitment. Both models are part of the Scag Turf Tiger II series, designed for commercial landscapers and serious homeowners who demand the best in cutting efficiency and reliability.

The STT52V-25CH-LP features a 52-inch cutting deck, while the STT61V-25CH-LP boasts a 61-inch deck, allowing users to choose according to the size of their lawn or landscape maintenance requirements. The decks are constructed from high-strength steel, ensuring longer life and resistance to wear from heavy use. The signature Velocity Plus deck design enhances airflow for superior cutting quality, resulting in cleaner cuts and better grass dispersal.

Powered by a robust 25 HP Kohler Command Pro engine, both models deliver the necessary power to tackle tough mowing jobs with ease. The engine's exceptional torque and performance ensure that even thick grass doesn't slow these machines down. Additionally, the Kohler engine is designed for improved fuel efficiency, helping operators save on fuel costs during long hours of operation.

One of the standout features of the STT52V-25CH-LP and STT61V-25CH-LP is their advanced hydrostatic transmission, providing smooth and responsive speed control. Operators can effortlessly adjust their speed and direction, making it easy to navigate tight spaces and uneven terrain. The ergonomic operator platform enhances comfort, with padded seats and adjustable armrests allowing for extended periods of mowing without fatigue.

Both models come equipped with a heavy-duty, commercial-grade transmission, capable of withstanding the rigors of daily use in demanding conditions. Additionally, they feature an intuitive control panel, allowing users to easily monitor important metrics, such as fuel levels and hour meters.

For added convenience, these mowers incorporate an easy-access maintenance design, allowing for quick inspections and routine servicing. With a focus on user-friendliness, Scag has ensured that operators can maintain their equipment with minimal downtime.

In summary, the STT52V-25CH-LP and STT61V-25CH-LP from Scag Power Equipment offer a compelling combination of power, performance, and user-friendly features. Ideal for commercial landscapers and serious gardening enthusiasts alike, these mowers stand ready to deliver exceptional results in any mowing environment.
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