Great Dane GDRZ52-25KAE, GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE, GDRZ61-26KHE M131748, MX15340

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SAFETY

DANGER

M131748, MX15340

To avoid injury from rotating blades and thrown objects, stay clear of deck edge and keep others away. Do not mow without discharge chute or entire grass catcher in place.

DANGER: EXPLOSIVE GASES / POISON: CAUSES SEVERE BURNS

TCU14885, MX15274

•Cigarettes, flames or sparks could cause battery to explode. Always shield eyes and face from battery. Do not charge or use booster cables or adjust post connections without proper instruction and training.

•Contains sulfuric acid. Avoid contact with the skin, eyes or clothing. In event of accident, flush with water and call a physician immediately. Keep out of reach of children.

WARNING

MX15340, TCU15907

To avoid injury from tipover, drive across slopes, not up and down. If machine stops going uphill, stop blades and back down slowly.

WARNING

TCU51051, MX15340

To avoid injury from rotating belts, keep all shields and guards in place.

Safety - 2

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Contents OPERATOR’S Manual Using Your Operator’s Manual IntroductionSpecial Messages Product Identification Record Identification NumbersTable of Contents Safety Understanding The Machine Safety LabelsM131748, MX15340 Certification Emission Control System Certification LabelEmission Compliance Period Canadian Electromagnetic Compatibility EMC ComplianceOperator Training Required Operating SafelyParking Safely Using a Spark ArrestorChecking Mowing Area Rotating Blades are DangerousKeep Riders Off Avoid TippingChecking Wheel Bolts Practice Safe Maintenance Wear Appropriate ClothingDriving Safely on Public Roads Tire Safety Avoid High-Pressure FluidsPrevent Fires Handling Fuel Safely Handling Waste Products and ChemicalsFuel and fuel vapors are highly flammable Operating Daily Operating ChecklistTesting Safety Systems Operator Station ControlsTesting Neutral Start Switch Testing PTO SwitchTesting Park Brake Switch Testing Seat SwitchMounting and Dismounting Machine Safely Adjusting SeatAdjusting Mower Deck Cutting Height Raising and Lowering Operator SeatAdjusting Mower Deck Anti-Scalp Wheels Using the Park BrakeUnlocking Park Brake Using the Key SwitchUsing the PTO Engage PTOUsing the Choke Carbureted Engines Only Using the Throttle LeverUsing the Hourmeter Using the Motion Control LeversNeutral Lock Position Optional Over the Lap Levers Gentle Left Turn Forward Gentle Right TurnReverse Sharp Left TurnStarting the Engine Engaging Mower Stopping the EngineMowing Tips Using Hydraulic Pump Free-Wheel ValvesTransporting Machine Picture Note Left pump shownMowing Travel Speeds Dismounting to Inspect MowerAvoid Damage to Plastic and Painted Surfaces Replacement Parts PartsPart Numbers Service Intervals Spray Lubricant Service LubricationGrease Lubrication PointsPicture Note 48-, 52- and 61-inch mower decks Picture Note 72-inch mower deckService Engine Cleaning Engine Oil Cooler Kohler Engines Checking and Cleaning Air Filter ElementsCleaning Engine Air Intake Screen and Fan Oil Capacity With Filter DryReplacing Fuel Filter Fuel Injected Engines Checking Spark Plug Adjusting Carburetor Carbureted EnginesReplacing Fuel Filter Carbureted Engines Picture Note Kawasaki engine shownTroubleshooting the Kohler Electronic Fuel Injection System Priming Fuel Injectors Fuel Injected EnginesService Engine Checking Hydraulic Oil Level Service TransmissionHydraulic Oil Changing Hydraulic Oil and FilterRemoving and Installing Traction Drive Belt Cleaning Hydraulic Pump Cooling FinsChecking and Adjusting Motion Control Linkages Neutral Creep AdjustmentCheck Maximum Speed Drift Maximum Speed Drift Adjustment Hydraulic System Hose Routing Hydraulic System Schematic Cooling OrificeServicing Front Caster Wheel Roller Bearings Chariot Service Steering & BrakesRemove and Install Front Caster Wheels Servicing Front Caster Wheel Roller Bearings Chariot LXAdjusting Front Caster Spindle Bearing Servicing Caster Spindle BearingsHeight Adjustment Procedure Check AlignmentAdjusting Park Brake Alignment ProcedureService Mower Removing and Installing Mower Deck Foot PlateRemoving and Installing Mower Deck Belt Shields Checking Level Side-to-Side Adjusting Level Side-to-SideLeveling Mower Deck Picture Note Discharge chute raised for photo clarityChecking and Adjusting Cutting Height Adjust Thrust Arm-to-Stop Rod Clearance Transport PositionAdjusting Deck Lift Assist Spring Tension Adjust Assist Spring TensionCheck Spring Tension MX15328 MX15318 Checking and Replacing Mower Blades Sharpening Blades Balancing BladesReplacing Mower Blades Replacing Mower Spindle Bearings 72-Inch Mower Deck Service Mower Service Electrical Removing and Installing the BatteryCleaning Battery and Terminals Replacing Fuse Carbureted Engines Using Booster BatteryBooster Battery Disabled Vehicle Battery Replacing Fuses Fuel Injected EnginesBurnishing the PTO Clutch Wiring Schematic Carbureted Engines Wiring Schematic 26 HP Fuel Injected Engine Wiring Schematic 28 HP Fuel Injected Engine Checking Tire Pressure Service MiscellaneousFilling Fuel Tank Tire Size PressureRemove and Install Rear Drive Wheels Cleaning and Repairing Metal SurfacesTroubleshooting Using Troubleshooting ChartCheck Troubleshooting Electrical System Machine Park BrakeSteering Mower Deck Preparing Machine for Storage Storing SafetyStorage Preparing Fuel and Engine for StorageAssembly Check Safety System Install Motion Control LeversInstall Seat Lubricate MachineInitial Adjustments Specifications Height Adjustment Increments mm 1/2 Belt Shields, Removing and Installing Mower Deck IndexSpindle Bearings, Replace, 48-, 52- and 61-In. Decks Service Record GD Record Service Dates

GDRZ48-19KAE, GDRZ61-25KHE, GDRZ61-27KHE, GDRZ48-17KAE, GDRZ72-28KHE specifications

The Great Dane GDRZ series, including models GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE, GDRZ61-26KHE, and GDRZ52-25KHE, stands out as a robust line of refrigerated trailers designed for the rigorous demands of commercial transport and logistics. These models embody a perfect fusion of innovative technologies, exceptional performance, and high durability, catering specifically to the needs of operators in the freight industry.

One of the most notable features of the GDRZ series is its advanced insulation technology, which significantly enhances temperature retention. This is vital for businesses that rely on the transport of perishable products, ensuring that goods remain fresh throughout the journey. The GDRZ trailers utilize high-density foam insulation, providing superior thermal performance while minimizing energy costs.

In terms of structural integrity, the GDRZ series is built with a sturdy composite construction that enhances durability while reducing overall weight. This lightweight design contributes to improved fuel efficiency, allowing operators to maximize their payload without compromising on safety or performance. Moreover, these trailers are equipped with corrosion-resistant materials, extending their lifespan and reducing maintenance costs.

The cooling systems in the GDRZ models are engineered for optimal performance. High-efficiency refrigeration units with digital thermostatic controls ensure that temperature settings are maintained accurately and can be adjusted easily. This technology enables users to monitor and record temperature data, facilitating compliance with industry regulations and providing peace of mind regarding cargo safety.

Another highlight of the GDRZ series is its user-friendly features. The ergonomic design of the interior allows for easy access to cargo, while the integrated lighting solutions facilitate loading and unloading in low-visibility conditions. The models also feature reinforced tie-down points that secure cargo effectively, reducing the risk of movement and damage during transit.

Safety is a key consideration across the GDRZ line, with advanced braking systems and reflective markings enhancing visibility and control on the road. Additional safety features may include optional GPS tracking systems, allowing operators to monitor the whereabouts of their trailers in real time, ensuring timely deliveries and improved fleet management.

In summary, the Great Dane GDRZ series, with its various models, represents a significant advancement in refrigerated transport technology. Combining energy efficiency, durability, and user-centric design, these trailers are ideal for businesses seeking reliable solutions for their refrigerated transport needs. With a commitment to quality and innovation, Great Dane continues to set industry standards for excellence in trailer manufacturing.
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