Gehl GE753Z Service Manual Electrical and Hydraulic Diagram 918164A

Gehl GE753Z Service Manual Electrical and Hydraulic Diagram 918164A

Size: 21.75 MB
Language: English
Machine: Compact Excavator
Machine Model: GE753Z
Part Number: 918164A
Document: Service Manual, Electrical and Hydraulic Diagram  
Publication Date: 2005
Pages: 184 Pages

The Bookmarks of Gehl GE753Z Service Manual Electrical and Hydraulic Diagram 918164A:
1 Operation
 1.1 Important Information about this Service Manual
 1.2 Abbreviations/Symbols
 1.3 Identification of Warnings and Hazards
 1.4 Designated Use and Exemption from Liability
 1.5 Type Decals and Component Numbers
 Serial Number Location
 Engine Number
 Hydraulic Pump Identification Number
 Main Valve Block Identification Number
 Travel Drive Identification Number
 Swivel Unit Identification Number
 1.6 Machine Overview
 1.7 Cab Overview
 1.8 Cab Legend
 1.9 Instrument Panel Overview
 1.10 Instrument Panel Legend
 1.11 Engine Compartment Overview
 1.12 Chassis Overview
 1.13 Tilting the Cab
 Tilting the Cab Down
 1.14 SAE Operating Controls (Standard)
 1.15 ISO Operating Controls (Selectable)
 1.16 Boom Slew/Auxiliary Hydraulics Pedal
 1.17 Dozer Blade
 1.18 Throttle Lever
 1.19 Operator’s Seat Adjustments
 1.20 Ventilation
 Windshield
 1.21 Cab Door Latch Release
 1.22 Interior Light
 1.23 Tool Kit and Cab Jack Handle
 1.24 Cab Heat Control
 1.25 Recirculated Air Mode
 1.26 Hydraulics/Swiveling and Boom Rotation Pedal Adjustment
2 Specifications
 2.1 Chassis
 2.2 Engine
 2.3 Hydraulic System
 2.4 Undercarriage and Swivel Unit
 2.5 Dozer Blade
 2.6 Electrical System
 2.7 Sound Levels
 2.8 Coolant Compound Table
 2.9 Model-Specific Tightening Torques
 2.10 General Specifications
 2.11 Extended Dipper Arm Lift Capacities
 2.12 Lift Capacities with Counterweight
 2.13 Lift Capacities with Extended Dipper Arm and Counterweight
 2.14 Bucket Geometry
3 Maintenance
 3.1 General Information Care and Servicing
 Care and Servicing
 Maintenance Safety
 3.2 Fluids and Lubricants
 3.3 Maintenance Decal Symbols
 3.4 Maintenance Decal
 3.5 Maintenance Schedule
 3.6 General Maintenance
 3.7 Lubrication
 3.8 Fuel System
 Fuel Filter
 Fuel Shut-Off Valve, Fuel Prefilter and Water Separator
 Purging Air from the Fuel System
 3.9 Engine Lubrication System
 3.10 Changing Engine Oil and Filter
 3.11 Coolant System
 Checking Coolant Level
 3.12 Air Cleaner Service
 Dust Valve Functional Check
 3.13 Checking and Adjusting V-Belt Tension
 Checking and Adjusting Air Conditioning V-Belt Tension
 3.14 Pressure Check
 3.15 Test Report
 3.16 Hydraulic System
 Checking Hydraulic Oil Level
 Changing Hyraulic Oil
 Hydraulic Cooling System
 Adding Hydraulic Oil
 Specific Safety Instructions
 3.17 Track System
 Changing Final Drive Oil
 3.18 Electrical System
 Using a Booster Battery (Jump-Starting)
 3.19 Cab Heater Filter
4 Engine
 4.1 Engine Overview
 4.2 Fuel System
 4.3 Removing the Cylinder Head Cover
 4.4 Checking and Adjusting Valve Tip Clearance
 4.5 Cylinder Head Bolt Tightening Order
 4.6 Checking the Injection Nozzles
 4.7 Checking the Nozzle Jet
 4.8 Injection Timing
 4.9 Adjusting Engine RPM
 4.10 Checking Compression
 4.11 Checking the Coolant Thermostat
 4.12 Checking the Thermal Switch
 4.13 Oil Pressure Switch
 4.14 Checking the Coolant Circuit
 4.15 Engine Troubleshooting
5 Hydraulic System
 5.1 Hydraulic Pump
 5.2 Main Valve Block
 5.3 Drive Counterbalancing System
 5.4 Regeneration - Dipper Arm Section
 5.5 Bucket Pre-Tension
 5.6 Boom Raise
 5.7 Check Valve (Load Retaining Valve)
 Raising the Boom
 Lowering the Boom
 5.8 Dipper Arm Cylinder, Extend
 5.9 Secondary Pressure Limiting Valves for the Auxiliary Hydraulics (Option)
 5.10 Pilot Valves
 5.11 Valves
 5.12 Travel Drive
 5.13 Travel Drive
 5.14 Swivel Unit
 5.15 Swivel Joint
 5.16 Breather Filter
 5.17 Troubleshooting the Hydraulic System
 5.18 Main Valve Block Diagram
 5.19 Hydraulic Diagram)
 5.20 Hydraulic Diagram
 5.21 Main Valve Block Diagram with 3rd Control Circuit
6 Electrical System
 6.1 Ohm’s Law (Current, Voltage, Resistance); Power
 6.2 Measuring Equipment, Measuring Methods
 6.3 Cable Color Coding
 6.4 Relays
 6.5 Electric Units
 6.6 Fuse Box in Instrument Panel
 6.7 Main Fuse Box with Relays
 6.8 Relays
 6.9 Lubrication Block Accessory Power Socket
 6.10 Joystick Tip Switches
 6.11 Instrument Panel Overview
 6.12 Switch Overview
 6.13 Alternator
 6.14 Starter
 6.15 Boom Working Light Wiring Harness
 6.16 Wiring Diagram Legend
 6.17 Wiring Diagram
 6.18 Engine - Chassis Wiring Harness
 6.19 Engine - Chassis Wiring Harness
 6.20 Wiring Harness: Switches
 6.21 Wiring Harness: Switches
 6.22 Cab Roof Wiring Harness
 6.23 Armrest Wiring Harness
7 Options
 7.1 Air Conditioning
 7.2 Counterweight
 7.3 Extended Dipper Arm
 7.4 Control Circuit Hydraulic Coupling Connections
 7.5 3rd Control Circuit Connections
 7.6 Auxiliary Hydraulics Connections
 7.7 Automatic Idling Speed

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