Gehl Z80, Mustang 800Z Compact Excavator Repair Manual

Service Repair Manual: 728 Pages
Operators Manual: 318 Pages
Parts Manual: 330 Pages
Manuals: Service Repair Manual & Operators Manual and Parts Manual
Key Highlights by Chapter
1. General Cautions for Maintenance Work
Safety Guidelines: Covers correct work procedures, preparation, and safety precautions.
Hydraulic System Handling: Includes cautions for disassembling and installing hydraulic components, piping, seals, and hoses.
Air Release: Procedures for hydraulic equipment air release are detailed.
2. Technical Data
Specifications: Provides machine specifications and performance parameters.
Diagrams: Includes hydraulic and wiring diagrams for US and AS/NZ specifications.
Maintenance: Recommends periodic inspection and servicing with recommended fuel, oil, and grease.
3. Service Standards
Machine and Engine Performance: Establishes benchmarks and tolerances.
Torque Values: Specifies tightening torques for machine and hydraulic fittings.
Pressure Adjustments: Includes relief valve and brake valve adjustments.
4. Engine
Servicing Procedures: Step-by-step instructions for engine maintenance, including valve adjustments and emission systems like the EGR.
Fuel and Lubrication Systems: Explains fuel system components, injection pump servicing, and lubrication checks.
Cooling System: Covers pump servicing, coolant checks, and troubleshooting.
Electrical Components: Includes alternator, starter motor, and ECU servicing.
5. Electric System
Electrical Layout: Shows the parts layout of electrical components, including LCD monitors and alarm systems.
Electronic Controls: Explains engine and hydraulic ECUs, along with error code diagnosis.
Wiring: Offers a detailed wiring diagram and safety precautions.
6. Hydraulic System
Operation Details: Describes the hydraulic circuits for boom, arm, bucket, blade, swing, and travel systems.
Component Maintenance: Covers troubleshooting, disassembly, and reassembly of pumps, valves, and motors.
Simultaneous Operations: Explains multi-action hydraulic functionality like boom and bucket simultaneous use.
7. Adjustment and Repair
Component Removal and Installation: Details procedures for the engine, hydraulic systems, and undercarriage components.
Cabin Repairs: Includes steps for cabin removal, reinstallation, and window/door glass replacement.
Hydraulic Cylinder Servicing: Provides instructions for disassembly and reassembly.
Air Conditioning: Guides on air conditioner removal and reinstallation.
8. Troubleshooting
Non-Breakdown Issues: Diagnoses minor operational issues such as bucket release and time lag in travel speed switching.
Quick Reference Tables: Simplifies troubleshooting for common machine faults.