Gehl GE 803 Compact Excavator Repair Service Manual
Language: English
Format: PDF
Applicable for the Gehl Excavator Model GE 803
- Gehl GE 803 Excavator Repair Service Manual
- Gehl GE 803 Excavator Operators Manual
- Gehl GE 803 Excavator Parts Manual
Operation
- Important information about this service manual
- Abbreviations and symbols
- Identification of warnings and hazards
- Designated use and exemption from liability
- Serial plates and component numbers
- Machine and cab overview
- Instrument panel and controls
- Engine compartment and chassis overview
- Cab tilting procedures
- Operator’s seat adjustments and ventilation
- Controls for hydraulics, boom rotation, and dozer blade
- Cab equipment and features
Specifications
- Chassis and engine specifications
- Hydraulic system details
- Undercarriage and swivel unit
- Dozer blade
- Electrical system
- Sound levels and coolant information
- Tightening torques (specific and general)
- Dimensions, lift capacities, and geometry
Maintenance
- General care and servicing
- Maintenance safety instructions
- Fluids, lubricants, and maintenance decals
- Maintenance schedule and lubrication
- Fuel system maintenance
- Engine oil, coolant system, and air cleaner service
- Hydraulic system checks and track system maintenance
- Electrical system and battery maintenance
Engine
- 4TNV98 engine overview
- Fuel system and valve adjustments
- Cylinder head and injection nozzle checks
- Compression testing and RPM adjustments
- Coolant thermostat and circuit checks
- Engine troubleshooting
Hydraulic System
- Hydraulic pump and main valve block
- Counterbalancing and boom operations
- Check valves and pilot valves
- Travel drive systems
- Swivel unit and joint maintenance
- Hydraulic diagrams and troubleshooting
Electrical System
- Basic electrical principles (Ohm’s Law)
- Measuring equipment and cable color coding
- Fuse boxes and relays
- Instrument panel, switches, and alternator
- Wiring diagrams and harness legends
Options
Hydraulic coupling connections for auxiliary hydraulics
Air conditioning
Counterweight and extended dipper arm
This Service Manual is intended for Gehl GE 803 Excavator so as to give the owner/operator assistance in preparing, adjusting, maintaining and servicing the machine. More importantly, this manual provides an operating plan for safe and proper use of the machine. Major points of safe operation are
detailed in Chapter 2 – Safety. Read and understand the contents of this manual completely and become familiar with the machine before
attempting to operate it..
Throughout this manual, information is introduced by the word NOTE or IMPORTANT. Be sure to read the message carefully and comply with the message. Following this information will improve operating and maintenance efficiency, help to avoid breakdown and damage and extend the service life of the machine.
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