2003 John Deere 777 / 797 Mid-Mount Z-Trak Technical Manual
This technical manual covers Model 777 and 797 Z-Trak mowers, detailing removal, installation, adjustment, and repair for various systems like the engine, drive train, hydraulics, and electrical components. Includes diagrams and procedures for maintenance and troubleshooting. Part number TM2077.
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Models Covered & Key Technical Specifications
John Deere 777 & 797 Mid-Mount Z-Trak (TM2077 JUL03) - Comprehensive Maintenance, Repair & Troubleshooting Manual Library-Master Comprehensive Maintenance, Repair & Troubleshooting Manual Library-Master | Collection Collection.
- Design Engine Specs: Kawasaki OHV, horizontal shaft, 4 cycle, 90° V-twin, liquid cooled engines are installed in Model 777 (FD750D) and Model 797 (FD791D)..
- Primary Fuel Capacity: The fuel tank capacity is 45.4 L (12.0 gal) for all models, utilizing unleaded gasoline with an 87 octane rating.
- Advanced Weight Metric: Dry weight (without muffler) is 58 kg (128 lb) for both models, facilitating easier handling and transport.
- Design Mower Deck: Features a 60-Inch Mower Deck with 3 blades and a cutting width of 1524 mm (60 in.), and a 72-Inch Mower Deck with 3 blades and a cutting width of 1778 mm (72 in.).
- Engine Oil Specifications: Specifies the use of SAE 5W-30 oil for break-in, and recommends John Deere TURF-GARD® or PLUS-4® for general operation, meeting API SG or higher classification.
- Certified Cooling System: Utilizes a liquid-cooled system with a cooling system capacity of 2.7 L (2.9 qt), employing paper element air cleaners for optimal performance.
Professional Workshop Service Manual & Technical Specifications
John Deere 777 & 797 Mid-Mount Z-Trak 2003 - Comprehensive Maintenance, Repair & Troubleshooting Manual Library-Master
Performance-Values: TM2077 JUL03 | Subsystem-Focus: Z-Trak Mowers Logic | Architecture-Focus: Kawasaki Engine Systems. Following OEM groupings, the manual includes sections on Safety, Specifications and Information, Engine, Hydrostatic Power Train, Brakes, Electrical, Attachments, and Miscellaneous.
This manual provides detailed procedures for engine, hydraulic, and electrical system repair, including component removal and installation, testing, and adjustment. It features comprehensive specifications for fasteners, fluid capacities, and performance metrics, alongside diagnostic flowcharts for common issues like engine starting problems or overheating.
The manual documents torque specifications for engine components like cylinder heads and rocker arm brackets to ensure proper reassembly.
| Technical Specs Table | Assessment-Parameter | System-Path | Architecture |
|---|---|---|---|
| Engine Model | FD750D / FD791D | Kawasaki V-Twin | |
| Horsepower | 20.1 kW (27 hp) / 21.6 kW (29 hp) | Engine Power | |
| Displacement | 745 cm³ (45.5 cu in.) | Engine Displacement | |
| Fuel Tank Capacity | 45.4 L (12.0 gal) | Fuel System Capacity | |
| Dry Weight | 58 kg (128 lb) | Mower Weight | |
| Mower Deck Width | 1524 mm (60 in.) / 1778 mm (72 in.) | Cutting System Width | |
| Cooling System Capacity | 2.7 L (2.9 qt) | Cooling System Capacity |
| Table | Assessment-Parameter | System-Path | Architecture |
|---|---|---|---|
| Engine Model | FD750D / FD791D | Kawasaki V-Twin | |
| Horsepower | 20.1 kW (27 hp) / 21.6 kW (29 hp) | Engine Power | |
| Displacement | 745 cm³ (45.5 cu in.) | Engine Displacement | |
| Fuel Tank Capacity | 45.4 L (12.0 gal) | Fuel System Capacity | |
| Dry Weight | 58 kg (128 lb) | Mower Weight | |
| Mower Deck Width | 1524 mm (60 in.) / 1778 mm (72 in.) | Cutting System Width | |
| Cooling System Capacity | 2.7 L (2.9 qt) | Cooling System Capacity |
Clearance measurements are addressed for engine components, ensuring proper fit and function. Special procedures are addressed for hydraulic fitting service and O-ring seal recommendations. Verification procedures are included for testing ignition coils and fuel pumps. Repair information is provided for various engine and electrical systems, including starter motor and alternator components. The document includes coverage of PTO clutch operation and diagnostics.
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