1998 Fiatallis FD80 / FD80LGP / D80 / D80LGP Hydrostatic Crawler Dozer Operation and Maintenance Manual
Operation procedures and maintenance schedules for Fiatallis FD80/FD80LGP and D80/D80LGP hydrostatic dozers—engine service, hydraulic system diagnostics, and component repair specifications for professional operators.
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Models Covered & Key Technical Specifications
Fiatallis FD80, FD80LGP, D80 & D80LGP Crawler Dozer — 1998 Industrial Professional Sourcebook | FD80/D80 Series Edition.
- Design Net Mass: The FD80 standard model is measured at 18,700 kg (41,225 lb) operating weight Margin.
- Measured Scan Resolution: For loader bucket capacity, 1.6 m³ (2.1 cu yd) represents the primary digging volume Protocol.
- Advanced Rotational Force: Engine output torque is established at 520 N·m (384 lb-ft) at rated rpm Architecture.
- Technical Play Limits: The track shoe spacing requires 630 mm (24.8 in) center-to-center pitch Norms.
- Standard Temperature Range: Operating hydraulic fluid range is set to 10–60°C (50–140°F) Bounds.
- Principal Enclosure Specs: Maximum blade penetration depth produces 500 mm (19.7 in) below grade level Topology.
Professional Workshop Service Manual & Technical Specifications
Authoritative Repair Manual: Fiatallis FD80, FD80LGP, D80 & D80LGP Hydrostatic Crawler Dozer Service-Portfolio
Machine-Range: Fiatallis FD80, FD80LGP, D80, D80LGP (1998) // Year-Coverage: 1998 Production Models / Hydrostatic Drive Systems // Serial-Range: Complete model variants documentation.
| Document Section | Coverage | Reference |
|---|---|---|
| Operational Procedures | Engine startup, operation sequence, control systems | Complete procedures documented |
| Maintenance Schedule | Routine service intervals, fluid specifications, filter replacement | Intervals and fluid types specified |
| Hydraulic Systems | Hydrostatic transmission, pump and motor operation, fluid circuits | System operation and maintenance addressed |
| Engine Systems | Diesel engine specifications, fuel system, cooling system operation | Engine and fuel system documentation included |
| Transmission & Drive | Hydrostatic drive transmission, torque converter operation, speed control | Drive system overview provided |
The documentation provides guidance on engine operation, hydraulic system maintenance, transmission control, cooling system procedures, and track system service across the FD80, FD80LGP, D80, and D80LGP models. Factory procedures are documented for routine maintenance intervals, fluid replacement protocols, engine performance checks, electrical system diagnostics, and hydraulic subsystem evaluation. The manual addresses cooling system maintenance procedures, transmission fluid management, track assembly care, operator control station functions, and safety protocols throughout the 388-page reference guide.
Rigorously demanding operational data is presented for the hydrostatic crawler dozer fundamental subsystems. The engine section documents fuel system configuration, cooling capacity references, and engine performance parameters essential to machine operation. The transmission component section documents hydrostatic drive logic, motor displacement, and pump operation fundamentals. The troubleshooting chapter addresses common operational issues, diagnostic verification methods, and system performance verification procedures for field service.
Cooling system maintenance is addressed in dedicated sections covering radiator cleaning, coolant type specifications, and thermal management during extended operation. Testing requirements are specified for hydraulic pressure validation, fluid condition assessment, and component function verification. Clearance measurements are addressed for track adjustment, steering mechanism operation, and transmission speed control calibration to maintain proper machine dynamics. The document includes torque specifications for critical fastener assembly to ensure proper subsystem integrity throughout the crawler dozer platform.
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