## Gehl 503Z Compact Excavator: A Precision Tool for Earthmoving and Construction

**Introduction:**

Introducing the Gehl 503Z Compact Excavator, an industry-leading machine designed to elevate your excavation and construction projects to unparalleled levels of efficiency and productivity. With its state-of-the-art features, exceptional versatility, and meticulous engineering, the Gehl 503Z empowers operators to tackle a wide array of tasks effortlessly.

**Powerful Performance:**

At the heart of the Gehl 503Z lies a robust Tier 4 Final engine that delivers an impressive 38 horsepower. This ample power seamlessly translates into unparalleled digging and lifting capabilities, enabling the excavator to handle demanding excavation, trenching, and backfilling operations with remarkable ease. The 503Z's hydraulic system is equally impressive, featuring a variable displacement piston pump and a closed-loop regenerative hydraulic circuit. This combination delivers exceptional control and responsiveness, ensuring smooth and precise operation even under the most challenging conditions.

**Compact Design with Maximum Functionality:**

Despite its immense power, the Gehl 503Z boasts a remarkably compact design, measuring a mere 78 inches in width. This compact footprint grants the excavator exceptional maneuverability, allowing it to navigate tight spaces with ease. The 503Z's short tail swing radius further enhances its maneuverability, minimizing the risk of damage to surrounding structures or obstacles.

**Unmatched Versatility:**

The Gehl 503Z is a machine of exceptional versatility, capable of adapting to a diverse range of applications. Its standard boom and arm configuration offers a maximum digging depth of 11 feet 4 inches and a reach of 17 feet 8 inches, making it ideal for digging trenches, excavating foundations, and performing general earthmoving tasks. Optional long-reach booms and arm extensions further expand the 503Z's capabilities, allowing it to tackle even more ambitious projects.

**Operator Comfort and Convenience:**

The Gehl 503Z prioritizes operator comfort and convenience, featuring a spacious and ergonomically designed cab. The adjustable suspension seat, intuitive controls, and large LCD display provide operators with a comfortable and efficient work environment. The cab also boasts excellent visibility, minimizing blind spots and enhancing safety during operation.

**Advanced Technology:**

The Gehl 503Z is equipped with a suite of advanced technologies that enhance its functionality and productivity. The standard electronic throttle control provides precise engine speed control, while the optional advanced digital dash display offers real-time monitoring of vital machine parameters. Additionally, the 503Z is compatible with Gehl's suite of smart control technologies, allowing for remote monitoring and fleet management, further streamlining your operations.

**Durable Construction:**

Built to withstand the rigors of demanding construction sites, the Gehl 503Z is meticulously engineered with durable components and materials. Its heavy-duty steel frame, reinforced undercarriage, and sealed bearings ensure exceptional longevity and reliability. The 503Z's robust design minimizes downtime and maintenance costs, maximizing your investment.

**Conclusion:**

The Gehl 503Z Compact Excavator is a masterpiece of engineering, combining power, versatility, and precision in a compact and user-friendly package. Its exceptional performance, unmatched maneuverability, and advanced technology empower operators to tackle a wide array of excavation and construction tasks with unparalleled efficiency and productivity. Whether you're a seasoned professional or a novice contractor, the Gehl 503Z is the perfect machine to elevate your projects to new heights of success.

This is the complete factory Parts Manual for the Gehl 503Z Compact Excavator.This Manual has easy-to-read text sections with top quality diagrams and instructions.They are specifically written for the do-it-yourselfer as well as the experienced mechanic.With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using. Gehl 503Z Compact Excavator Parts Manual covers every single detail on your machine.provides step-by-step instructions based on the complete disassembly of the machine.This repair manual is an inexpensive way to keep you vehicle working properly.


Beginning Serial Number: AC02471

Form No. : 918071 Revision F Mar. 2008


Manual Covers:

Introduction..................... Inside Front Cover
Table of Contents.........................................1
Decal Locations ...........................................6
Diesel Engine ...............................................8
Engine Mounts...........................................10
Cylinder Head, Valve Cover......................12
Cylinder Block...........................................13
Seal - Crankshaft........................................14
Oil Pan .......................................................16
Camshaft ....................................................18
Crankshaft, Piston......................................20
Lubrication.................................................22
Cooling System..........................................24
Fuel Injection System ................................26
Intake Manifold..........................................28
Engine Air Filter ........................................30
Exhaust Components .................................33
Fuel Tank ...................................................34
Fuel Supply ................................................36
Throttle Lever (Cab) ..................................38
Throttle Lever (Canopy) ............................39
Auto-Idle (Option) .....................................40
Auto-Idle Installation (Option) ..................41
Hydraulic Pump Drive ...............................42
Radiator......................................................43
Oil Cooler ..................................................46
Hydraulic Oil Tank ....................................48
Hydraulic Pump .........................................50
Hydraulic Pump Assembly ........................52
Turntable Drive Unit Installation...............53
Turntable Drive Unit..................................55
Drive Motor Installation ............................56
Drive Motor ...............................................57
Control Valve Fittings ...............................58
Control Valve Assembly............................60
Swivel Joint................................................61
Joysticks.....................................................62
Travel Pilot Valve......................................64
Auxiliary Hydraulics Pilot Valve ..............65
Dozer Blade Valve.....................................66
Selection Valve ..........................................67
Proportional Valve (Option) ......................68
4/3 Valve (Option) .....................................69
3/2 Valve (Option) .....................................70
ISO/SAE Valve..........................................71
Valve Block ...............................................72
Distribution Block......................................73
Hydraulic Pump Installation ......................74
Proportional Control (Option) ...................76
Boom Installation.......................................77
Boom Cylinder...........................................78
Dipper Arm Installation .............................80
Dipper Arm Cylinder .................................81
Bucket Installation .....................................82
Bucket Cylinder .........................................83
Boom Offset Cylinder Installation.............84
Boom Offset Cylinder................................85
Dozer Blade Installation ............................86
Dozer Blade Cylinder ................................87
Auxiliary Hydraulics Installation...............88
ISO/SAE Valve Installation.......................90
Pilot Pressure Hoses...................................91
Hydraulic Tank Hoses ...............................92
Dashboard (Cab) ........................................94
Dashboard (Canopy) ..................................96
Radio (Option) ...........................................97
Battery........................................................98
Relay Box ................................................100
Horn .........................................................101
Work Light...............................................102
Work Light - Rear (Option) .....................103
Work Lights - Front (Option) ..................104
Wire Harness - Chassis, Engine...............106
Wire Harness - Switch .............................108
Wire Harness - Armrest ...........................110
Wire Harness - Work Light - Front
(Option)................................................111
Wire Harness - Work Light - Rear
(Option)................................................112
Wire Harness - Auto-Idle (Option)..........113
Wire Harness - Proportional
Control (Option) ...............................114
Chassis .....................................................115
Rubber Track ...........................................116
Steel Track (Option) ................................117
Undercarriage, Rubber Track...................118
Undercarriage, Steel Track (Option)........119
Track Tensioner, Rubber Track ...............120
Track Tensioner, Steel Track (Option) ....122
Dozer Blade .............................................123
Lubrication...............................................124
Counterweight..........................................125
Counterweight (Option)...........................127
Hood.........................................................128
Tank Cover ..............................................131
Partition Wall ...........................................132
Chassis Cover ..........................................134
Isolation Mats ..........................................136
Boom........................................................138
Dipper Arm - Short ..................................140
Dipper Arm - Long (Option) ...................141
Undercarriage Cover................................142
Cab Mounting ..........................................143
Cab Frame 1.............................................144
Cab Frame 2.............................................147
Canopy Frame..........................................150
Cab Door..................................................151
Windshield ...............................................152
Cab Windows...........................................156
Cab Trim ..................................................157
Mirrors .....................................................158
Rotating Beacon (Option)........................159
Operators Seat ........................................160
Heater.......................................................162
Air Conditioning Installation (Option) ....164
Air Conditioning (Option) .......................167
Air Conditioning Compressor (Option)...168
Tools ........................................................170
Alphabetical Index...................................171
Numerical Index ......................................174
And More......


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File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English
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