Case 450B, 455B Crawler Operator’s Manual PDF

This Operator’s Manual covers the Case 450B and 455B Crawler models. It provides detailed operating, safety, maintenance, and service information to help operators and service personnel safely operate and maintain the machine.
The manual explains machine controls and operating procedures, including the instrument panel, transmission and steering controls, loader, dozer, ripper, winch, and backhoe operation. It also covers engine operation, crawler operation, starting and stopping procedures, hill operation, transportation, and operation in cold and hot temperatures.

Operation and Maintenance Coverage

The manual includes safety information, machine specifications, fuel and lubricant recommendations, and detailed maintenance procedures. It covers engine lubrication, air cleaner service, cooling and fuel systems, electrical components, hydraulic and transmission hydraulic systems, final drives, tracks, brakes, and drive belt maintenance.

Additional sections provide service and adjustment procedures for the loader, dozer, ripper, and winch, including return-to-dig and anti-rollback adjustments, bucket teeth, fluid levels, oil changes, and other maintenance operations. The manual also includes seat belt maintenance, spark arrester muffler service, machine storage procedures, and after-delivery inspection information.

TABLE OF CONTENTS

Introduction
Safety
Roll-Over Protective Structure
Location of PIN Number and Serial Numbers
Specifications
Instructions for Operation of the Machine
Instruments and Controls (Fast Reference)
Instrument Panel
Foot Pedals
Clutch Cutout
Transmission Controls
Starter Motor Button
Parking Brake
Seat
Seat Belts
Loader Controls
Dozer Controls
Ripper Control
Winch Control
Backhoe 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
Methods to Help Start the Engine
Crawler Operation
Adjusting the Seat
Starting
Transmission Controls
Steering
Stopping the Crawler
When Operating on a Hill
Procedure to Move a Disabled Crawler
Procedure to Transport the Machine
Operating in Cold Temperatures
Operating in Hot Temperatures
Loader Operation
Safety When You Operate
Clutch Cutout
Engine Speed and Transmission Range Control
Preparation for the Job
Loose Material
Flat Ground
Procedure to Move Material
Procedure to Dump the Bucket Onto a Stockpile
Procedure to Dump the Bucket into a Truck
Return-To-Dig
Dozer Operation
Safety When You Work
Blade Depth Pads
Engine Speed and Transmission Range Control
Digging
Making a Stockpile Level
Filling Trenches
Ripper Operation
Winch Operation
Backhoe Operation
Fuels and Lubricants
Diesel Fuel
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
Grease Fittings
Engine Lubrication System
Oil Level
Oil Change
Engine Oil Filter
Air Cleaner System
Restriction Indicator
Cap for the Air Cleaner
Pre-Cleaner (If so Equipped)
Dust Valve
Filter Service
Engine Cooling System
Coolant Level
Ethylene Glycol Coolant
Water Coolant
Procedure to Clean the Cooling System
Fuel System
Fuel Tank
Cleaning the Fuel System
Replacing the Fuel Filters
Removing Air From the Fuel System
Electrical System
Instrument Panel Light
Headlight
Rear Floodlight
Alternator Charging System
Battery Maintenance
Booster Battery
Hydraulic System
Oil Level
Filter for the Return Line
Screen for the Suction Line
Relief Valve and Check Valve for the Hydraulic Reservoir
Oil Change
Transmission Hydraulic System
Oil Level
Filter for the Pressure Line
Screen for the Suction Line
Breather
Oil Change
Final Drives
Oil Level
Oil Change
Track System
Brake System
Brake Master Cylinders
Brake Adjustment
Adjustment of Parking Brake
Drive Belt
Loader Service
Return-To-Dig Adjustment
Anti-Rollback Adjustment
Bucket Teeth
Dozer Service
Ripper Service
Winch Maintenance
Fluid Level
Oil Change
Maintenance of the Seat Belt
Spark Arrester Muffler
Procedure to Put the Machine in Storage
After-Delivery Check of a New Machine

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, contact our support team. After-sales support is available.