Caterpillar 303.5C 303C CR Mini Hydraulic Excavator Workshop Repair Service Manual PDF - MCAT303.5OPEK.zip

A full service and repair manual, complete with electrical wiring diagrams, covering the Caterpillar 303.5C and 303C Mini Hydraulic Excavators. It contains every piece of shop data needed to service, troubleshoot, fix, and rebuild these machines the way trained professionals do.

The workshop service & repair manual for the Caterpillar 303.5C and 303C Mini Hydraulic Excavators provides:

* 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)