Case 680K Loader Backhoe Includes 12 Volt and 24 Volt Electrical System Operator’s Manual PDF

This operator’s manual covers the Case 680K Loader Backhoe equipped with 12 Volt and 24 Volt electrical systems. It provides essential information on machine operation, controls, safety procedures, maintenance, and lubrication, helping operators understand the machine’s functions and work with its loader and backhoe attachments.

The manual includes operating instructions for starting and stopping the engine, driving the machine, shifting the transmission, working in different weather conditions, and transporting the equipment. It also explains the functions of the instrument panel, cab controls, operator’s seat, and electrical system.

Operation and Control Coverage

The manual describes the operation of the loader lift arms, bucket controls, 4-in-1 bucket clam, and backhoe systems. It covers backhoe controls with foot and hand swing, as well as Extendahoe controls. Operating procedures include bucket filling, return-to-dig operation, digging positions, trenching, lifting with the backhoe, and moving the machine between working and transport positions.

Additional sections explain safety precautions when operating the loader and backhoe, stabilizer pad positioning, bucket level indicators, clutch cutout operation, and procedures for working near obstacles such as fences.

Maintenance and Lubrication Coverage

The maintenance section provides information on recommended fluids and lubricants, engine oil and axle oil specifications, run-in procedures, and maintenance schedules. It covers the engine lubrication, cooling, air cleaning, and fuel systems, along with batteries, warning lamps, hydraulic systems, transmission hydraulics, rear axle, and brakes.

Further maintenance topics include wheels and tires, front wheel bearings, spark arrester muffler, loader Return-To-Dig adjustment, air compressor and air conditioner drive belts, cab servicing, seat belts, machine storage, and Roll-Over Protective Structure (ROPS).

Additional Information

The manual also includes machine identification and component descriptions, safety decals, instrument and control layouts, specifications, product identification, and serial number information. An index is provided to help locate specific topics and procedures.

TABLE OF CONTENTS

Introduction
To The Owner
Delivery of the New Machine
After Delivery Check
Right, Left, Front, and Rear Sides of Machine
Identification of Machine Components
Safety
Safety Decals
Personal
Before Starting the Engine
Starting the Engine
Machine Operation
Loader Operation
Backhoe Operation
Parking the Machine
Maintenance
Controls and Instruments
Instrument Panel
Machine Controls
Loader Lift Arm and Bucket Control
4-In-1 Bucket Clam Control
Backhoe Controls with Foot Swing
Backhoe Controls with Hand Swing
Extendahoe Control with Foot Swing
Extendahoe Control with Hand Swing
Operators Seats
Cab Controls
Cab Control Settings and Air Flow
Operators Seat Belts
Engine Operation
Walk-Around Inspection
Starting the Engine
Engine Speed
Parking the Machine and Stopping the Engine
Methods to Help Start Engine During Cold Weather
Machine Operation
Adjusting the Seat
Starting
Shifting Transmission
Operating on a Hill
Moving a Disabled Machine
Transporting Machine on a Trailer
Operating in Cold Weather
Operating in Hot Weather
Loader Operation
Safety When You Work
Bucket Level Indicator
Return-To-Dig
4-In-1 Bucket
Clutch Cutout
Loose Material
Preparation for the Job
Filling the Bucket
Backhoe Operation
Safety When You Work
Stabilizer Pads
Backhoe Bucket Digging Positions
Before You Dig with the Backhoe
Moving the Backhoe Out of Transport Position
Digging with the Backhoe
Procedure to Move the Machine Forward When Trenching
Putting the Backhoe in the Transport Position
Transport Position
Lifting with the Backhoe
Digging Next to a Fence
Maintenance and Lubrication
Support Strut for Loader Lift Arms
Fluids and Lubricants Chart
Engine Oil Recommendation
Axle Oil Recommendations
Systemgard Lubricant Analysis Service
Run-In Period
Run-In Maintenance Schedule
Maintenance Schedule
Grease Fitting
Engine Lubrication System
Engine Cooling System
Air Cleaning System
Engine Fuel System
Batteries
Instrument Lamps and Warning Lamps
Hydraulic System
Transmission Hydraulic System
Rear Axle
Brake System
Replacing the Starting Fluid Container
Wheels and Tires
Front Wheel Bearings
Spark Arrester Muffler
Loader Return-To-Dig Adjustment
Air Compressor Drive Belt
Air Conditioner Drive Belt
Cab Service
Machine Storage
Seat Belts
Decals
Roll-Over Protective Structure (ROPS)
Specifications
Product Identification and Serial Numbers
Index
After Delivery Check

Delivery (Instant Download)

After payment, the PDF manual is sent to the email address provided with your order, usually within 1–10 minutes. Please check that your email address is correct at checkout.

Printing and Support

All pages of the PDF are printable. You can print the procedures you need for a particular job and keep them beside you in the workshop.

For questions about the manual or help with your order, please contact our support team.