Great Dane GDRZ61-26KHE, GDRZ72-27KHE, GDRZ61-25KAE manual Checking and Replacing Mower Blades

Page 51

SERVICE MOWER

Removing and Installing Spindle Drive Belt - 72-Inch Mower Deck

1.Park machine safely. (See Parking Safely in the Safety section.)

2.Raise foot platform.

3.Remove mower deck drive belt covers.

C

A

B

MX15327

4.Remove engine-to-deck drive belt (A).

5.Release spindle drive belt tension by turning tension adjustment nut (B) counterclockwise.

6.Remove spindle drive belt (C).

AB

E

C

D

MX15330

A- Tension Idler Sheave

B- Left Spindle Sheave

C- Spindle Drive Belt

D- Center Spindle Sheave

E- Right Spindle Sheave

7.Install new spindle drive belt (C) as shown.

8.Adjust drive belt tension.

9.Install engine-to-deck drive belt and adjust belt tension. 10.Install mower deck drive belt covers.

11.Lower foot platform.

Checking and Replacing Mower Blades

c CAUTION: Avoid injury! Help prevent serious personal injury. Do not work near a raised mower deck unless it is safely supported.

Never start the engine or engage the PTO switch when performing this service procedure.

Blades are sharp and could cause personal injury. Wear appropriate clothing including gloves when working near the underside of a raised mower deck.

Before performing any service function, wait for all moving parts to stop turning.

IMPORTANT: Avoid damage! When replacing mower blades, always use genuine Great Dane Service Parts.

NOTE: Only replace blades. Never straighten or weld them.

Checking Mower Blades

1.Park machine safely. (See Parking Safely in the Safety Section).

2.Raise the mower deck to the transport position (also the 12.7 cm [5 in.] cutting height position).

3.Raise front of machine with a safe lifting device.

•Support with jack stands and/or wooden blocks.

4.Check mower blades:

•Mower blades should be sharp and free of any damage.

•Inspect blades; sharpen/balance or replace as necessary.

Service Mower - 47

Page 50 Page 52
Image 51
Page 50 Page 52
Contents OPERATOR’S Manual Using Your Operator’s Manual IntroductionSpecial Messages Record Identification Numbers Product IdentificationTable of Contents Understanding The Machine Safety Labels SafetyM131748, MX15340 Canadian Electromagnetic Compatibility EMC Compliance Emission Control System Certification LabelEmission Compliance Period CertificationOperating Safely Operator Training RequiredRotating Blades are Dangerous Using a Spark ArrestorChecking Mowing Area Parking SafelyKeep 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 Operator Station Controls Daily Operating ChecklistTesting Safety Systems OperatingTesting Seat Switch Testing PTO SwitchTesting Park Brake Switch Testing Neutral Start SwitchRaising and Lowering Operator Seat Adjusting SeatAdjusting Mower Deck Cutting Height Mounting and Dismounting Machine SafelyUsing the Park Brake Adjusting Mower Deck Anti-Scalp WheelsEngage PTO Using the Key SwitchUsing the PTO Unlocking Park BrakeUsing the Motion Control Levers Using the Throttle LeverUsing the Hourmeter Using the Choke Carbureted Engines OnlyNeutral Lock Position Optional Over the Lap Levers Sharp Left Turn Forward Gentle Right TurnReverse Gentle Left TurnStarting the Engine Stopping the Engine Engaging MowerPicture Note Left pump shown Using Hydraulic Pump Free-Wheel ValvesTransporting Machine Mowing TipsMowing Travel Speeds Dismounting to Inspect MowerAvoid Damage to Plastic and Painted Surfaces Replacement Parts PartsPart Numbers Service Intervals Lubrication Points Service LubricationGrease Spray LubricantPicture Note 72-inch mower deck Picture Note 48-, 52- and 61-inch mower decksService Engine Oil Capacity With Filter Dry Checking and Cleaning Air Filter ElementsCleaning Engine Air Intake Screen and Fan Cleaning Engine Oil Cooler Kohler EnginesPicture Note Kawasaki engine shown Checking Spark Plug Adjusting Carburetor Carbureted EnginesReplacing Fuel Filter Carbureted Engines Replacing Fuel Filter Fuel Injected EnginesPriming Fuel Injectors Fuel Injected Engines Troubleshooting the Kohler Electronic Fuel Injection SystemService Engine Changing Hydraulic Oil and Filter Service TransmissionHydraulic Oil Checking Hydraulic Oil LevelCleaning Hydraulic Pump Cooling Fins Removing and Installing Traction Drive BeltChecking and Adjusting Motion Control Linkages Neutral Creep AdjustmentCheck Maximum Speed Drift Maximum Speed Drift Adjustment Hydraulic System Hose Routing Cooling Orifice Hydraulic System SchematicServicing Front Caster Wheel Roller Bearings Chariot LX Service Steering & BrakesRemove and Install Front Caster Wheels Servicing Front Caster Wheel Roller Bearings ChariotServicing Caster Spindle Bearings Adjusting Front Caster Spindle BearingCheck Alignment Height Adjustment ProcedureAlignment Procedure Adjusting Park BrakeService Mower Removing and Installing Mower Deck Foot PlateRemoving and Installing Mower Deck Belt Shields Picture Note Discharge chute raised for photo clarity Adjusting Level Side-to-SideLeveling Mower Deck Checking Level Side-to-SideAdjust Thrust Arm-to-Stop Rod Clearance Transport Position Checking and Adjusting Cutting HeightAdjusting 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 Fuses Fuel Injected Engines Using Booster BatteryBooster Battery Disabled Vehicle Battery Replacing Fuse Carbureted EnginesBurnishing the PTO Clutch Wiring Schematic Carbureted Engines Wiring Schematic 26 HP Fuel Injected Engine Wiring Schematic 28 HP Fuel Injected Engine Tire Size Pressure Service MiscellaneousFilling Fuel Tank Checking Tire PressureCleaning and Repairing Metal Surfaces Remove and Install Rear Drive WheelsTroubleshooting Using Troubleshooting ChartCheck Troubleshooting Electrical System Machine Park BrakeSteering Mower Deck Preparing Fuel and Engine for Storage Storing SafetyStorage Preparing Machine for StorageAssembly Lubricate Machine Install Motion Control LeversInstall Seat Check Safety SystemInitial 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.
Top Page Image Contents