Caterpillar 303.5C and 303C Mini Hydraulic Excavators Repair & Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 303.5C and 303C Mini Hydraulic Excavators, with all the shop information to maintain, diagnose, repair, rebuild like professional mechanics.
Caterpillar 303.5C and 303C Mini Hydraulic Excavators workshop service & repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
MAIN LIST:
RENR9613 - Specifications (303.5C CR and 303C CR Mini Hydraulic Excavators Machine System Specifications)
RENR9614 - Systems Operation (303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System)
RENR9615 - Testing and Adjusting (303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System)
RENR9617 - Disassembly and Assembly (303.5C and 303C Mini Hydraulic Excavators Machine Systems)
RENR9626 - Schematic (303.5C CR Mini Hydraulic Excavator Hydraulic System)
RENR9627 - Disassembly and Assembly (Mini Hydraulic Excavators Engine Supplement)
RENR9628 - Schematic (303.5C CR Mini Hydraulic Excavator Electrical System)
UENR4045 - Schematic (303C, 303.5C, 303.5D, 303.5E, 304C, 304D, 304E, 305C, 305D, 305E, 305.5D and 305.5E Mini Hydraulic Excavators Air Conditioning System)
RENR9616 - Schematic (303C CR Mini Excavator Hydraulic System)
RENR9618 - Schematic (303C CR Mini Hydraulic Excavator Electrical System)
Total Pages: 642 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
RENR9613 - Specifications (303.5C CR and 303C CR Mini Hydraulic Excavators Machine System Specifications)
Blade Lift Cylinder
Boom Cylinder 1
Boom Cylinder 2
Boom Cylinder - Swing
Boom
Bucket Cylinder
Bucket Linkage - Bearing and Link Assembly
Bucket Linkage
Cab
Governor Control
Joystick Control
Main Hydraulic Pump
Pilot Valve (Travel)
Recoil Spring
Sprocket
Stick Cylinder
Stick - Long
Stick
Swing Gear and Bearing
Travel Motor
RENR9614 - Systems Operation (303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System)
Accumulator (Pilot)
Blade Hydraulic System
Boom Hydraulic System
Bucket Hydraulic System
Cylinders (Boom, Stick and Bucket)
Final Drive
General Information
Implements and Swing Controls Alternate Patterns
Main Control Valve
Main Hydraulic Pump
Main Hydraulic System
Pilot Hydraulic System
Pump Control (Main Hydraulic)
Relief Valve (Line)
Relief Valve (Main)
Relief Valve (Pilot)
Return Hydraulic System
Stick Hydraulic System
Swing Boom Hydraulic System
Swing Hydraulic System
Swing Motor
Travel Counterbalance Valve
Travel Hydraulic System
Travel Motor
RENR9615 - Testing and Adjusting (303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System)
Accumulator (Pilot) - Test and Charge
Cylinder Drift - Check
Cylinder Speed - Check
Engine Performance - Test - Engine Speed
General Testing and Adjusting Information
Hydraulic System Pressure - Release
Machine Drift on a Slope - Check
Main Hydraulic Pump Air - Purge
Main Pump (Flow) - Test
Operational Checks
Relief Valve (Line) - Test and Adjust
Relief Valve (Main) - Test and Adjust
Relief Valve (Pilot) - Test and Adjust
Relief Valve (Swing) - Test and Adjust
Specifications
Swing Speed and Overswing on Level Ground - Check
Swing Speed and Swing Drift on a Slope - Check
Travel on Level Ground - Test - Optional Test
Travel on Level Ground - Test
Visual Inspection
RENR9617 - Disassembly and Assembly (303.5C and 303C Mini Hydraulic Excavators Machine Systems)
Accumulator (Hydraulic Pilot) - Remove and Install
Blade Cylinder - Remove and Install
Blade - Remove and Install
Blower Motor (Air Conditioner, Heater) - Remove and Install
Boom Cylinder - Remove and Install
Boom - Install
Boom - Remove
Bucket Cylinder - Remove and Install
Bucket Linkage - Remove and Install
Bucket - Remove and Install
Cab - Install
Cab - Remove
Control Manifold (Pilot Oil) - Assemble - Hydraulic Lockout, Swing Brake and Travel
Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake and Travel
Control Manifold (Pilot Oil) - Install - Hydraulic Control, Swing Brake and Travel
Control Manifold (Pilot Oil) - Remove - Hydraulic Lockout, Swing Brake and Travel
Counterweight - Install
Counterweight - Remove
Duo-Cone Conventional Seals - Install
Evaporator Coil - Remove and Install
Final Drive and Travel Motor - Assemble
Final Drive and Travel Motor - Install
Final Drive and Travel Motor - Remove
Final
Front Idler - Assemble
Front Idler - Disassemble
Front Idler, Recoil Spring and Hydraulic Track Adjuster - Install
Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove
Front Idler - Remove and Install
Fuel Tank - Remove and Install
Gear Pump (Pilot) - Install
Gear Pump (Pilot) - Remove
Heater Core - Remove and Install
Heating and Air Conditioning Unit - Install
Heating and Air Conditioning Unit - Remove
Hydraulic System Pressure - Release
Hydraulic Tank - Install
Hydraulic Tank - Remove
Hydraulic Track Adjusters - Remove and Install
Main Control Valve - Assemble
Main Control Valve - Disassemble
Main Control Valve - Install
Main Control Valve - Remove
Main Hydraulic Pump - Assemble
Main Hydraulic Pump - Disassemble
Main Hydraulic Pump - Install
Main Hydraulic Pump - Remove
Pilot Valve (Auxiliary) - Assemble
Pilot Valve (Auxiliary) - Disassemble
Pilot Valve (Auxiliary) - Install
Pilot Valve (Auxiliary) - Remove
Pilot Valve (Blade) - Assemble
Pilot Valve (Blade) - Disassemble
Pilot Valve (Blade) - Install
Pilot Valve (Blade) - Remove
Pilot Valve (Boom Swing) - Assemble
Pilot Valve (Boom Swing) - Disassemble
Pilot Valve (Boom Swing) - Install
Pilot Valve (Boom Swing) - Remove
Pilot Valve (Travel) - Assemble
Pilot Valve (Travel) - Disassemble
Pilot Valve (Travel) - Install
Pilot Valve (Travel) - Remove
Platform - Install
Platform - Remove
Recoil Spring - Remove and Install
Seat - Remove and Install
Sprocket - Remove and Install
Stick Cylinder - Remove and Install
Stick - Install
Stick - Remove
Support (Swing Boom) - Install
Support (Swing Boom) - Remove
Swing Boom Cylinder - Remove and Install
Swing Motor and Swing Drive - Assemble
Swing Motor and Swing Drive - Disassemble
Swing Motor and Swing Drive - Install
Swing Motor and Swing Drive - Remove
Swivel - Assemble
Swivel - Disassemble
Swivel - Install
Swivel - Remove
Track Carrier Roller - Remove and Install
Track - Remove and Install
Track Roller - Remove and Install
Upper Frame and Undercarriage Frame - Connect
Upper Frame and Undercarriage Frame - Separate
RENR9626 - Schematic (303.5C CR Mini Hydraulic Excavator Hydraulic System)
Collage
Main
RENR9627 - Disassembly and Assembly (Mini Hydraulic Excavators Engine Supplement)
Air Cleaner - Remove and Install
Alternator - Remove and Install
Battery - Remove and Install
Bottom Guard (Engine) - Remove and Install
Electric Starting Motor - Remove and Install
Engine - Install
Engine Oil Filter Base - Remove and Install
Engine - Remove
Fan - Remove and Install
Fuel Filter and Water Separator Base - Remove and Install
Fuel Shutoff Solenoid - Remove and Install
Fuel Transfer Pump - Remove and Install
Hood - Remove and Install
Hydraulic Oil Cooler - Remove and Install
Hydraulic System Pressure - Release
Muffler - Remove and Install
Radiator - Remove and Install
Refrigerant Compressor - Remove and Install
Refrigerant Condenser - Remove and Install
Refrigerant Receiver-Dryer - Remove and Install
Water Pump - Remove and Install
Water Temperature Regulator - Remove and Install
RENR9628 - Schematic (303.5C CR Mini Hydraulic Excavator Electrical System)
Collage
Main
UENR4045 - Schematic (303C, 303.5C, 303.5D, 303.5E, 304C, 304D, 304E, 305C, 305D, 305E, 305.5D and 305.5E Mini Hydraulic Excavators Air Conditioning System)
