Great Dane GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE Removing and Installing Traction Drive Belt

Page 36

SERVICE TRANSMISSION

c CAUTION: Avoid injury! Engine exhaust fumes

contain carbon monoxide and can cause serious illness or death.

Move the machine to an outside area before running the engine.

Do not run an engine in an enclosed area without adequate ventilation.

•Connect a pipe extension to the engine exhaust pipe to direct the exhaust fumes out of the area.

•Allow fresh outside air into the work area to clear the exhaust fumes out.

11.Start engine.

12.Move throttle lever to 3/4-throttle position.

13.Unlock the park brake.

c CAUTION: Avoid injury! Help prevent serious bodily injury. Remain alert to other people and the surroundings when operating the machine.

A

MX13120

2.Clean hydraulic oil cooler fins (A) on each hydraulic pump with a rag, brush, or compressed air.

Removing and Installing Traction Drive Belt

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

2.Remove mower deck drive belt (48-, 52 and 61-inch mower decks), or engine-to-deck drive belt (72-inch mower decks).

14.Run engine in full forward position for several minutes and then cycle motion control levers forward and rearward several times. Check for leaks around filter.

15.Stop engine. Check oil level. Add oil as necessary.

F

F

Cleaning Hydraulic Pump Cooling Fins

c CAUTION: Avoid injury! Help prevent injury from foreign particles when using compressed air for cleaning purposes, clear area of bystanders, and wear personal eye protection to guard against flying debris.

IMPORTANT: Avoid damage! To ensure proper cooling, keep the cooling fins clean at all times. Operating the machine with obstructed cooling fins could cause damage due to overheating.

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

E

B

C

AD

MX9232

Picture Note: Drive belt routing as viewed from top of machine.

A- 1/2 in. Square Opening

B- Tension Arm

C- Traction Drive Belt

D- Engine Drive Sheave

E- Tension Idler Sheave

F- Hydraulic Pump Sheave

3.Using a 1/2 in. drive breaker bar and extension, insert end of extension in 1/2 in. drive square opening (A) in tension arm, and carefully move tension arm (B) counter- clockwise to release belt tension.

4.Remove drive belt (C).

Service Transmission - 32

Page 35 Page 37
Image 36
Page 35 Page 37
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 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 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 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 shownMowing Travel Speeds Dismounting to Inspect MowerAvoid Damage to Plastic and Painted Surfaces Replacement Parts PartsPart Numbers 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 FinsChecking and Adjusting Motion Control Linkages Neutral Creep AdjustmentCheck Maximum Speed Drift 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 ProcedureService Mower Removing and Installing Mower Deck Foot PlateRemoving and Installing Mower Deck Belt Shields 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 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 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 SurfacesTroubleshooting Using Troubleshooting ChartCheck Troubleshooting Electrical System Machine Park BrakeSteering 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.
Top Page Image Contents