Case 680 G Loader Backhoe Operators Manual PDF

This operator's manual covers the Case 680 G Loader Backhoe. It provides operating instructions, safety information, machine specifications and recommended maintenance procedures to help operators understand the machine's systems and perform routine servicing correctly.

The manual explains the operation of the loader, backhoe, engine, transmission and hydraulic systems. It includes step-by-step operating procedures, control descriptions and maintenance instructions to support safe and efficient machine operation.

Operation and Maintenance Coverage

The manual covers the machine's instruments and controls, including the instrument panels, transmission controls, foot pedals, operator's seat, cab controls, clutch cutout and engine warning indicators. It also explains loader and backhoe controls, bucket level indicators, Return-To-Dig functions, auxiliary attachments and Extendahoe operation.

Engine operation procedures include starting and stopping the engine, initial operation with a new engine, service checks before starting, engine speed control and cold-start assistance. Machine operation sections explain driving, transporting and moving a disabled machine, as well as operating in cold and hot temperatures.

The loader and backhoe sections provide operating instructions, workplace safety precautions, stabilizer positioning, digging techniques and procedures for moving the machine on level ground and hills. Additional coverage includes working near fences and buildings, using the Extendahoe and positioning the backhoe for transport.

Maintenance and Lubrication Coverage

The maintenance section includes service schedules for the initial operating period and regular maintenance intervals. It covers diesel fuel specifications and storage, recommended fuels and lubricants, grease fittings and lubrication procedures.

Detailed maintenance topics include the engine lubrication system, oil and filter changes, air cleaner servicing, cooling system maintenance, fuel filters and fuel system bleeding. The manual also covers the electrical system, alternator, batteries, lights, hydraulic system, brakes, air compressor, power shuttle transmission, four-speed transmission, rear axle, wheels, tires and drive belts.

Additional procedures address loader and backhoe servicing, ROPS cab maintenance, seat belts, spark arrester muffler servicing, machine storage and returning the machine to operation.

TABLE OF CONTENTS

Introduction
To the Owner
Delivery of the New Machine
After Delivery Check
Safety
Safety Rules
Spark Arrester
Rollover Protective Structure
Location of PIN and Serial Numbers
Specifications
Instructions for Operation of the Machine
Instruments and Controls
Left Instrument Panel
Right Instrument Panel
Transmission Controls and Foot Pedals
Seat for the Operator
Cab Controls
Turn Signal and Flasher Control
Clutch Cutout
Cold Start Button
Engine Warning Light and Hand Throttle
Loader
Control Levers
Bucket Level Indicator
Return-To-Dig
Control Lever for Auxiliary Attachment
Position Indicator for 4-in-1 Bucket
Clam Indicator for 4-in-1 Bucket
Backhoe Controls
Extendable Controls
Engine Operation
First Period of Operation With a New Engine
Service and Checks Before You Start
Procedure to Start the Engine
Engine Speed
Procedure to Stop the Engine
Assistance When You Start the Engine
Machine Operation
Procedure to Operate the Machine
Procedure to Move a Disabled Machine
Procedure to Transport the Machine
When You Operate During Cold
Temperatures
When You Operate During Hot
Temperatures
Loader Operation
Safety When You Work
Engine Speed and Transmission
Speed Control
Clutch Cutout
Preparation for the Job
Loose Material
Flat Ground
Return-To-Dig
Backhoe Operation
Safety When You Work
General
Stabilizer Pads
Digging Positions for the Backhoe Bucket
Procedure to Position Machine Before
You Dig
Procedure to Put Backhoe in
the Operating Position
Procedure to Dig With the Backhoe
Procedure to Move Machine Forward
Level Ground
Procedure to Move Machine
Forward - On a Hill
Extendahoe
Procedure to Dig Next to a
Fence or Building
Frost Touch
Procedure to Put Backhoe Into
the Transport Position
Fuels and Lubricants
Diesel Fuel
Fuel Specifications
Fuel Storage
Fuel, Fluids and Lubricants Chart
Maintenance and Lubrication
Introduction
Maintenance Chart for the First Period
of Operation With a New Machine
Maintenance Chart for Regular Intervals
Safety Before Servicing
Safety Decals on the Machine
Grease Fittings
Engine Lubrication System
Oil Level
Oil Change
Engine Oil Filter
Air Cleaner System
Restriction Indicator
Dust Valve
Filter Service
Engine Cooling System
Coolant Level
Ethylene Glycol Coolant
Water Coolant
Procedure to Clean the System
Fuel System
Fuel Tank
Sediment Bowl for the Transfer Pump
Fuel Filters
Procedure to Remove Air from
the Fuel System
Electrical System
Lights
Alternator
Battery
Auxiliary Batteries
Hydraulic System
Oil Level
Oil Change, Filter and Screen Service
Brake System
Air Compressor
Air Reservoir
Alcohol Evaporator
Power Shuttle Transmission
Oil Level
Oil Change
Four Speed Transmission
Oil Level
Oil Change
Rear Axle
Oil Level
Oil Change
Wheels and Tires
Front Wheel Bearings
Drive Belts
Loader Service
Backhoe Service
ROPS Cab Service
Seat Belts
Spark Arrester Muffler
Procedure to Store the Machine
Procedure to Put Machine in
Operation Again
After Delivery Check

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