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General| Drive System | All-Wheel Drive |
|---|---|
| Transmission | Hydrostatic |
| Engine Types | Diesel |
| Horsepower Range | 24.8 hp |
| Fuel Capacity Range | 6.6 gallons |
| Dimensions | 48 inches |
| Attachments | snow blower |
| Engine Models | Kubota |
| Turning Radius | Zero-turn |
Guidelines for ensuring safety before starting and operating the machine.
Crucial safety measures to follow during machine operation.
Safety precautions for performing maintenance and service on the machine.
Procedures and safety guidelines for lifting and supporting the machine.
Detailed dimensions and weight specifications for the 4520Z model.
Table of fluid types, capacities, and corresponding filters for the machine.
Recommended fastener torque values for various thread sizes and grades.
Information on commonly used lubricants, sealants, and adhesives for maintenance.
List and description of specialized tools required for servicing the machine.
A structured methodology for diagnosing and resolving machine issues.
Common hydraulic system issues, their possible causes, and corrective actions.
Troubleshooting common electrical issues like battery charging and light activation.
Diagnosing and resolving issues related to engine starting, running, and power.
Overview of the Kubota gasoline engine used in the 4520Z machine.
Details on the air cleaner system, including removal and installation.
Procedures for removing and installing the exhaust system components.
Information on the fuel system, including checking lines and priming.
Procedures for removing and installing the radiator and related cooling components.
Step-by-step guide for removing and installing the drive shaft assembly.
Basic information and precautions for the hydraulic system, including towing.
Procedure for installing and using a remote filtering tool for the hydraulic system.
Method for testing static implement pressure using a gauge.
Procedure for testing the hydrostatic drive system's performance under load.
Instructions for adjusting the hydraulic pump tow valve to the correct specification.
Guidelines for inspecting, repairing, and replacing hydraulic hoses.
General precautions for removing and installing hydraulic system components.
Detailed steps for removing the hydraulic pump from the machine.
Steps for removing and installing the steering valve assembly.
Instructions for removing the steering cylinder from the machine.
Instructions for removing and installing the hydraulic fluid reservoir.
Overview of electrical components and general information.
Chart detailing amperage draw for various standard and optional electrical components.
Procedures for performing quick checks on the charging system and interlock switches.
Testing procedures for fuses and relays in the electrical system.
Description of key switch positions and their function.
Testing the seat switch for operator presence detection.
Testing the parking brake switch for its role in safety interlocks.
Testing the PTO electric clutch for resistance and engagement.
Information on speed sensor types and testing procedures.
Information on RPM sensor function and testing procedures.
Battery specifications, safety precautions, and maintenance procedures.
General information regarding the chassis and operator's manual.
Procedures for adjusting PTO belt tension and PTO electric clutch air gap.
Procedure for adjusting the parking brake tension and linkage.
Steps to adjust the machine's neutral position for proper operation.
Instructions for removing and installing wheels and outer dual wheels.
Steps for removing and installing the machine's hood.
Procedure for removing and installing the machine's grill.
Instructions for removing and installing the engine covers.
Steps for removing and installing the hydraulic pump cover.
Detailed steps for removing the machine's dash assembly.
Steps for removing the weight transfer assembly.
Instructions for removing the parking brake lever.
Steps for removing the parking brake band.
Instructions for removing the parking brake drum.
Steps for removing the high/low shift cable.
Steps for removing the 3-point hitch components.
Detailed steps for removing the center pivot assembly.
Instructions for removing the front hitch arms.
Steps for removing the PTO idler pulley.
General information regarding axle assemblies and related manuals.
Description of front and rear axle assemblies and their components.
Procedures for removing and installing axle assemblies and related parts.
Detailed steps for removing the front axle assembly.
Procedure for installing the front axle assembly.
Instructions for removing the rear axle assembly.
Procedure for installing the rear axle assembly.
Instructions for removing and installing axle shafts.
Procedure for replacing axle bearings.
Steps for replacing axle seals.
Procedure for draining and refilling the rear transaxle fluid.
Reference key for wiring diagrams for serial numbers 01001-02172.
Rear harness wiring diagram for serial numbers 01001-02172.
Front harness wiring diagram for serial numbers 01001-02172.
Engine harness wiring diagram for serial numbers 01001-02172.
Reference key for wiring diagrams for serial numbers 02173-05664.
The hydraulic schematic diagram for the machine.
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