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