Great Dane GDRZ52-23KAE, GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE, GDRZ61-26KHE Electrical System

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TROUBLESHOOTING

 

 

 

 

 

 

If

 

Check

 

 

 

 

 

 

Engine Backfires Through Muffler

 

Throttle should be at low idle for several seconds before turning off

 

 

machine.

 

 

Leaking/damaged exhaust manifold gasket.

 

 

EFI system problem - check EFI electrical system and connections.

 

 

If problem continues, have system serviced by an authorized Kohler

 

 

EFI servicing dealer.

 

 

 

High Fuel Consumption

 

Improper type of fuel.

 

 

Plugged air intake system.

 

 

Operating at too fast ground speed for conditions.

 

 

Improper valve clearance. See your Great Dane servicing dealer.

 

 

Restricted air intake system.

 

 

EFI system problem - check EFI electrical system and connections.

 

 

If problem continues, have system serviced by an authorized Kohler

 

 

EFI servicing dealer.

 

 

 

Electrical System

 

 

 

 

 

If

 

Check

 

 

 

 

 

 

Starter Will Not Work

 

Dead battery.

 

 

Blown 20-amp fuse (main power circuit).

 

 

Blown fusible link (charging circuit).

 

 

Loose or corroded battery or ground connections.

 

 

Loose or corroded starter cable connections.

 

 

Neutral start switches faulty or not adjusted properly. See your

 

 

Great Dane servicing dealer.

 

 

Key switch or starter faulty. See your Great Dane servicing dealer.

 

 

PTO engaged.

 

 

Motion control levers and park brake lever not in proper position.

 

 

 

Battery Will Not Charge

 

Loose or corroded battery or ground connections.

 

 

Blown fusible link (charging circuit).

 

 

Battery cables and terminals are dirty.

 

 

Dead cell in battery.

 

 

 

PTO Clutch Does Not Engage

 

Blown 20-amp fuse (main power circuit).

 

 

Faulty PTO switch.

 

 

FaultyPTO clutch.

 

 

Loose PTO clutch connections.

 

 

 

Troubleshooting - 61

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Contents OPERATOR’S Manual Special Messages Using Your Operator’s ManualIntroduction Record Identification Numbers Product IdentificationTable of Contents Understanding The Machine Safety Labels SafetyM131748, MX15340 Emission Compliance Period Emission Control System Certification LabelCertification Canadian Electromagnetic Compatibility EMC ComplianceOperating Safely Operator Training RequiredChecking Mowing Area Using a Spark ArrestorParking Safely Rotating Blades are DangerousChecking Wheel Bolts Keep Riders OffAvoid Tipping Driving Safely on Public Roads Practice Safe MaintenanceWear Appropriate Clothing Prevent Fires Tire SafetyAvoid High-Pressure Fluids Fuel and fuel vapors are highly flammable Handling Fuel SafelyHandling Waste Products and Chemicals Testing Safety Systems Daily Operating ChecklistOperating Operator Station ControlsTesting Park Brake Switch Testing PTO SwitchTesting Neutral Start Switch Testing Seat SwitchAdjusting Mower Deck Cutting Height Adjusting SeatMounting and Dismounting Machine Safely Raising and Lowering Operator SeatUsing the Park Brake Adjusting Mower Deck Anti-Scalp WheelsUsing the PTO Using the Key SwitchUnlocking Park Brake Engage PTOUsing the Hourmeter Using the Throttle LeverUsing the Choke Carbureted Engines Only Using the Motion Control LeversNeutral Lock Position Optional Over the Lap Levers Reverse Forward Gentle Right TurnGentle Left Turn Sharp Left TurnStarting the Engine Stopping the Engine Engaging MowerTransporting Machine Using Hydraulic Pump Free-Wheel ValvesMowing Tips Picture Note Left pump shownAvoid Damage to Plastic and Painted Surfaces Mowing Travel SpeedsDismounting to Inspect Mower Part Numbers Replacement PartsParts Service Intervals Grease Service LubricationSpray Lubricant Lubrication PointsPicture Note 72-inch mower deck Picture Note 48-, 52- and 61-inch mower decksService Engine Cleaning Engine Air Intake Screen and Fan Checking and Cleaning Air Filter ElementsCleaning Engine Oil Cooler Kohler Engines Oil Capacity With Filter DryReplacing Fuel Filter Carbureted Engines Checking Spark Plug Adjusting Carburetor Carbureted EnginesReplacing Fuel Filter Fuel Injected Engines Picture Note Kawasaki engine shownPriming Fuel Injectors Fuel Injected Engines Troubleshooting the Kohler Electronic Fuel Injection SystemService Engine Hydraulic Oil Service TransmissionChecking Hydraulic Oil Level Changing Hydraulic Oil and FilterCleaning Hydraulic Pump Cooling Fins Removing and Installing Traction Drive BeltCheck Maximum Speed Drift Checking and Adjusting Motion Control LinkagesNeutral Creep Adjustment Maximum Speed Drift Adjustment Hydraulic System Hose Routing Cooling Orifice Hydraulic System SchematicRemove and Install Front Caster Wheels Service Steering & BrakesServicing Front Caster Wheel Roller Bearings Chariot Servicing Front Caster Wheel Roller Bearings Chariot LXServicing Caster Spindle Bearings Adjusting Front Caster Spindle BearingCheck Alignment Height Adjustment ProcedureAlignment Procedure Adjusting Park BrakeRemoving and Installing Mower Deck Belt Shields Service MowerRemoving and Installing Mower Deck Foot Plate Leveling Mower Deck Adjusting Level Side-to-SideChecking Level Side-to-Side Picture Note Discharge chute raised for photo clarityAdjust Thrust Arm-to-Stop Rod Clearance Transport Position Checking and Adjusting Cutting HeightCheck Spring Tension Adjusting Deck Lift Assist Spring TensionAdjust Assist Spring Tension MX15328 MX15318 Checking and Replacing Mower Blades Replacing Mower Blades Sharpening BladesBalancing Blades Replacing Mower Spindle Bearings 72-Inch Mower Deck Service Mower Cleaning Battery and Terminals Service ElectricalRemoving and Installing the Battery Booster Battery Disabled Vehicle Battery Using Booster BatteryReplacing Fuse Carbureted Engines 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 Filling Fuel Tank Service MiscellaneousChecking Tire Pressure Tire Size PressureCleaning and Repairing Metal Surfaces Remove and Install Rear Drive WheelsCheck TroubleshootingUsing Troubleshooting Chart Troubleshooting Electrical System Steering MachinePark Brake Mower Deck Storage Storing SafetyPreparing Machine for Storage Preparing Fuel and Engine for StorageAssembly Install Seat Install Motion Control LeversCheck Safety System Lubricate MachineInitial Adjustments Specifications Height Adjustment Increments mm 1/2 Index Belt Shields, Removing and Installing Mower DeckSpindle Bearings, Replace, 48-, 52- and 61-In. Decks Record Service Dates Service Record GD

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.