Gehl GE503Z Service Manual Electrical and Hydraulic Diagram 918159B

Gehl GE503Z Service Manual Electrical and Hydraulic Diagram 918159B

Size: 23.63 MB
Language: English
Machine: Compact Excavator
Machine Model: GE503Z
Serial Number: AC02471 and up
Part Number: 918159B
Document: Service Manual, Electrical and Hydraulic Diagram
Publication Date: 2009
Pages: 206 Pages

The Bookmarks of Gehl GE503Z Service Manual Electrical and Hydraulic Diagram 918159B:
Operation
 General information
 Serial number location
 Identification of warnings and hazards
 Type decals and component numbers
 Machine: overview
 Cab: overview
 Cab: legend
 Instrument panel, switches and indicators: overview (SN AC02893 and up)
 Instrument panel, switches and indicators: legend (SN AC02893 and up)
 Instrument panel, switches and indicators: overview (SN AC02877 and before)
 Instrument panel, switches and indicators: legend (SN AC02877 and before)
 Engine compartment: overview (SN AH00579 and up)
 Engine compartment: overview (SN AH00578 and before)
 Chassis: overview
 Pedal for auxiliary hydraulics/swivelling and rotating the boom
 Tilting the cab
 Heating
Specifications
 Frame
 Engine
 Fuel injection pump
 Engine capacities
 Engine tightening torques
 Hydraulic system
 Undercarriage and swivel unit
 Dozer blade
 Electrical system
 Sound levels
 Coolant compound table
 Model-specific tightening torques
 General tightening torques
 503Z dimensions
 Lift capacity table with short dipper arm
 Lift capacity table with long dipper arm
 Lift capacity table with short dipper arm and counterweight
 Lift capacity table with long dipper arm and counterweight
 Bucket geometry
Maintenance
 Fluids and lubricants
 Maintenance decal
 Maintenance schedule (overview)
 Introduction
 Fuel system
 Engine lubrication system
 Cooling system
 Air filter
 V-belt
 Pressure check
 Test report
 Hydraulic system
 Travel drive
 Tracks
 Lubrication work
 Electrical system
 Cab
 General maintenance work
 Long-term storage
Engine (SN AH00579 and up)
 Engine marked 4TNV88-BPNS (SN AH00579 and up): overview
 Fuel system
 Preparing for cylinder head removal
 Checking and adjusting valve tip clearance
 Removing/Tightening order for cylinder head bolts
 Checking the injection nozzles
 Checking the nozzle jet
 Injection timing
 Adjusting engine speeds
 Compression
 Checking the coolant thermostat
 Checking the thermal switch
 Oil pressure switch
 Checking the coolant circuit
Engine (SN AD07125 and before)
 Engine marked 4TNV88-PNS (SN AD07125 and before): overview
 Fuel system
 Checking and adjusting valve tip clearance
 Removing/Tightening order for cylinder head bolts
 Checking the injection nozzles
 Checking the nozzle jet
 Injection timing
 Adjusting engine speeds
 Compression
 Checking the coolant thermostat
 Checking the thermal switch
 Oil pressure switch
 Checking the coolant circuit
Engine Troubleshooting
Hydraulic system
 Hydraulic pump: PVD-2B-41BP-16G5-4713F (SN AH00579 and up) PVD-2B-44BP-16G5-4713F (AD07125 and before)
 Main valve block
 Drive counterbalancing system
 Regeneration - dipper arm section
 Bucket pre-tension
 Flow rate adjustment for auxiliary hydraulics
 Pilot valves
 Valves
 Travel drive
 Swivel unit
 Swivel joint
 Breather filter
 Troubleshooting the hydraulic system
 Hydraulics diagram (legend)
 Options diagram
 Main valve block diagram 503Z
 Hydraulics diagram 503Z
Electrical system
 Ohm's Law (defines current, voltage and resistance relationship)
 Measuring equipment and methods
 Cable color coding
 Relays
 Electrical units
 Fuse box in instrument panel
 Main fuse box with relays
 Relays
 Socket
 Joystick switch buttons
 Instrument panel: overview
 Switches overview (SN AC02893 and up)
 Switches overview (SN AC02877 and below)
 Alternator
 Starter
 Wiring harness overview
 Wiring diagram (SN AC02890 and up)
 Wiring diagram legend (SN AC02889 and before)
 Wiring diagram (SN AC02889 and before)
 Engine - chassis wiring harness legend
 Engine - chassis wiring harness
 Wiring harness switches (SN AC02890 and up)
 Wiring diagram legend (SN AC02890 and up)
 Wiring harness switches legend (SN AC02889 and before)
 Wiring harness switches (SN AC02889 and before)
 Cab roof wiring harness
 Armrest wiring harness
 Boom working light wiring harness
Options
 Air conditioning
 Air-suspension seat
 Counterweight
 Long dipper arm
 Auxiliary hydraulics connections
 Proportional controls
 Auto-idle feature (SN AH00579 and up)
Torque specifications

#more Product: Gehl Operators Manual, Parts Catalog, Service Manual, Wiring Diagram