Great Dane GDRZ48-17KAE, GDRZ72-27KHE manual Neutral Lock Position Optional Over the Lap Levers

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OPERATING

Neutral Detent Position - Standard “Center Steer” Levers

NOTE: When the control levers are in the neutral detent position, the control lever rollers (A) located on each side of the control console will be seated in the notches in the console.

Neutral Position - Optional “Over the Lap” Levers

A

A

MX15341

•Motion control levers must be in the neutral detent

position, the PTO switch disengaged and the park brake locked to start the engine.

Neutral Lock Position - Optional “Over the Lap” Levers

A

MX15276

Picture Note: Motion control levers (A) shown in the neutral lock position.

•Motion control levers must be in the neutral lock position, the PTO switch disengaged and the park brake locked to start the engine.

•Forward and reverse movement of the motion control levers is prevented when levers are moved to the neutral lock position.

•Operator can exit mower with the engine running when the PTO switch is disengaged, the motion control levers are in the neutral lock position and the park brake is locked.

•Motion control levers must be in the neutral lock position to safely enter and exit the operator seat.

MX15293

Picture Note: Motion control levers (A) shown in the neutral position.

•Machine speed, motion, and direction can be controlled when the engine is running, operator is on the seat and the park brake is unlocked.

Forward and Reverse Motion:

c CAUTION: Avoid injury! Children or bystanders may be injured by run over and rotating blades. Before traveling forward or rearward:

•Carefully check the area around the machine.

•Disengage the mower before backing up.

1.Move throttle lever to the full-throttle position.

2.Unlock the park brake.

3.Optional “over the lap” levers: Move both motion control levers from the neutral lock position inward to the neutral position.

4.Push the control levers forward to begin forward motion.

•The farther forward the control levers are moved, the faster the machine will travel.

•Forward speed range: 0-14 km/h (0-9 mph).

5.Pull both control levers rearward at the same time to begin reverse motion.

•Reverse speed range: 0-6 km/h (0-4 mph).

6.To stop motion, move both motion control levers forward or rearward until the machine comes to a stop.

NOTE: The motion control linkages are adjustable. If adjustment is required, see Checking and Adjusting Motion Control Linkages in the Service Transmission section.

Operating - 16

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Contents OPERATOR’S Manual Special Messages Using Your Operator’s ManualIntroduction Product Identification Record Identification NumbersTable of Contents Safety Understanding The Machine Safety LabelsM131748, MX15340 Emission Control System Certification Label Emission Compliance PeriodCertification Canadian Electromagnetic Compatibility EMC ComplianceOperator Training Required Operating SafelyUsing a Spark Arrestor Checking Mowing AreaParking 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 Daily Operating Checklist Testing Safety SystemsOperating Operator Station ControlsTesting PTO Switch Testing Park Brake SwitchTesting Neutral Start Switch Testing Seat SwitchAdjusting Seat Adjusting Mower Deck Cutting HeightMounting and Dismounting Machine Safely Raising and Lowering Operator SeatAdjusting Mower Deck Anti-Scalp Wheels Using the Park BrakeUsing the Key Switch Using the PTOUnlocking Park Brake Engage PTOUsing the Throttle Lever Using the HourmeterUsing the Choke Carbureted Engines Only Using the Motion Control LeversNeutral Lock Position Optional Over the Lap Levers Forward Gentle Right Turn ReverseGentle Left Turn Sharp Left TurnStarting the Engine Engaging Mower Stopping the EngineUsing Hydraulic Pump Free-Wheel Valves Transporting MachineMowing Tips Picture Note Left pump shownAvoid Damage to Plastic and Painted Surfaces Mowing Travel SpeedsDismounting to Inspect Mower Part Numbers Replacement PartsParts Service Intervals Service Lubrication GreaseSpray Lubricant Lubrication PointsPicture Note 48-, 52- and 61-inch mower decks Picture Note 72-inch mower deckService Engine Checking and Cleaning Air Filter Elements Cleaning Engine Air Intake Screen and FanCleaning Engine Oil Cooler Kohler Engines Oil Capacity With Filter DryChecking Spark Plug Adjusting Carburetor Carbureted Engines Replacing Fuel Filter Carbureted EnginesReplacing Fuel Filter Fuel Injected Engines Picture Note Kawasaki engine shownTroubleshooting the Kohler Electronic Fuel Injection System Priming Fuel Injectors Fuel Injected EnginesService Engine Service Transmission Hydraulic OilChecking Hydraulic Oil Level Changing Hydraulic Oil and FilterRemoving and Installing Traction Drive Belt Cleaning Hydraulic Pump Cooling FinsCheck Maximum Speed Drift Checking and Adjusting Motion Control LinkagesNeutral Creep Adjustment Maximum Speed Drift Adjustment Hydraulic System Hose Routing Hydraulic System Schematic Cooling OrificeService Steering & Brakes Remove and Install Front Caster WheelsServicing Front Caster Wheel Roller Bearings Chariot Servicing Front Caster Wheel Roller Bearings Chariot LXAdjusting Front Caster Spindle Bearing Servicing Caster Spindle BearingsHeight Adjustment Procedure Check AlignmentAdjusting Park Brake Alignment ProcedureRemoving and Installing Mower Deck Belt Shields Service MowerRemoving and Installing Mower Deck Foot Plate Adjusting Level Side-to-Side Leveling Mower DeckChecking Level Side-to-Side Picture Note Discharge chute raised for photo clarityChecking and Adjusting Cutting Height Adjust Thrust Arm-to-Stop Rod Clearance Transport PositionCheck 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 Using Booster Battery Booster Battery Disabled Vehicle 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 Service Miscellaneous Filling Fuel TankChecking Tire Pressure Tire Size PressureRemove and Install Rear Drive Wheels Cleaning and Repairing Metal SurfacesCheck TroubleshootingUsing Troubleshooting Chart Troubleshooting Electrical System Steering MachinePark Brake Mower Deck Storing Safety StoragePreparing Machine for Storage Preparing Fuel and Engine for StorageAssembly Install Motion Control Levers Install SeatCheck Safety System 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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