Case 621C 721C Wheel Loader Workshop Repair Service Manual PDF - MCS621721COPEK.zip

A complete service and repair manual, together with the operators manual, featuring electrical wiring diagrams for the Case 621C/721C Wheeled Loader. It contains everything a shop needs to service, troubleshoot, fix, and rebuild these machines the way professional technicians do.

The workshop service & repair manual for the Case 621C and 721C Tool Carrier Loaders covers the following:

* 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.

Total Pages: 1,392

File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)

Language: English

MANUAL LIST:

Case 621C/721C Loader Service Manual.pdf - 824 pages

6-30480NA - Case 721C Wheel Loader Operator's Manual.pdf - 288 pages

6-1231.pdf - Case 621C-721C Loaders Operator's Manual.pdf - 281 pages

721C EWD & Hydraulic Schematic.pdf

TABLE OF CONTENTS

GENERAL

Standard Torque Specifications

Fluids and Lubricants

Loctite Product Chart

ENGINES

Section Index- Engines

Engine and Radiator Removal and Installation- 621C

Engine and Radiator Removal and Installation - 721 C

Stall Tests

For Engine Repair, See the Engine Service Manual

FUEL SYSTEM

Section Index - Fuel System

For Fuel System Repair, See the Engine Service Manual

ELECTRICAL SYSTEM

Section Index- Electrical

Removal and Installation of Starter and Alternator- 621C

Removal and Installation of Starter and Alternator- 721C

Electrical Specifications and Troubleshooting

Batteries

Starter and Starter Solenoid - 621 C

Starter and Starter Solenoid- 721C

Information and Diagnostic Center

Alternator

STEERING SYSTEM

Section Index- Steering

Removal and Installation of Steering Components

Steering Specifications, Pressure Checks, and Troubleshooting

Steering Control Valve

Steering Priority Valve

Steering Cylinders

Center Pivot

POWER TRAIN

Section Index- Power Train

Transmission - 621 C

Transmission - 721 C

Transmission Specifications, Pressure Checks, & Troubleshooting

621 C Front and Rear Axle- 721 C Rear Axle

721 C Front Axle

Drive Shaft, Center Bearing, and Universal Joints

Wheels & Tires

Transmission Control Valve

BRAKES

Section Index- Brakes

Removal and Installation of Brake Components

Hydraulic Brake Troubleshooting

Brake Accumulators

Brake Actuator Valve

Brake Accumulator Valve

Parking Brake

NOTE: for parking brake and brake pedal adjustments, see Section 9001.

HYDRAULICS

Section Index - Hydraulics

Removal and Installation of Hydraulic Components

Hydraulics Specifications, Troubleshooting & Pressure Checks

Cleaning the Hydraulic System

Hydraulic Pump

Loader Control Valve

Cylinders

Coupler Lock Valve

Remote Control Valves

Combination Valve

Accumulator for Ride Control

Solenoid Valve and Accumulator Valve for Ride Control

MOUNTED EQUIPMENT

Section Index - Mounted Equipment

Pedals and Levers

Air Conditioner Troubleshooting & System Checks for Systems with HFC-134a Refrigerant

Air Conditioner System Service

Removal & Installation of Air Conditioning Components for Systems with HFC-134a Refrigerant

Air Conditioning Compressor and Clutch For Systems with HFC-134a Refrigerant

Loader

ROPS Cab and ROPS Canopy

Cab Glass Installation

621C- Hydraulic Schematic Foldout and Electrical Schematic Foldout

721C- Hydraulic Schematic Foldout and Electrical Schematic Foldout