Case 450 Dozer Service Manual

• Covers Case 450 crawler dozer/loader (original series)
• P/N 9-72334
• 883 pages
• Downloadable PDF format
• Searchable, printable
• 133mb file size
• Works with Windows/Mac/Tablet/Mobile

The Case 450 service manual includes over 800 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The service manual was digitally reproduced from the original dealer manual into a clear, searchable PDF format and is ideal for mechanics repairing or overhauling the Case 450 crawler. In addition to all machine systems, gas and diesel engine/fuel repair information is included. This manual can be downloaded instantly to your computer, tablet or smartphone.

Latest edition. Original 450 series only – does not apply to 450B or C.

Topics:

GENERAL INFORMATION

• Engine Specifications – 188 and 207 Diesel
• Maintenance and Lubrication
• Torque Chart

ENGINES

• Engine Diagnosis – Diesel
• Engine Tune Up – Diesel
• Cylinder Head, Valve Train and Camshaft – Diesel Engine
• Cylinder Block, Sleeves, Pistons and Rods- 188 Diesel Engine
• Crankshaft, Bearings, Flywheel and Oil Seals – Diesel Engine
• Oil Pump – Diesel
• Engine Removal, Installation anti Stall Tests
• Air Cleaner
• Cooling System – Diesel
• Cylinder Block, Sleeves, Pistons – 207 Engine
• Engine Lubrication – Diesel

FUEL SYSTEM

• Fuel Filters- Diesel Engines
• Fuel Injection Pump
• Fuel Injectors
• Throttle Linkage Adjustments, Fuel Lines

HYDRAULICS

• Hydraulic Diagrams. Troubleshooting, Pressure Checks
• Equipment Pump – D31254, D41390
• Loader and Dozer Control Valves
• Commercial – Shearing Backhoe Control Valves
• Case Backhoe Control Valve
• Miscellaneous Valves and Couplings
• D26726 and D45399 Diversion Valves
• D39297 4-in-1 Bucket Relief Valve
• D43550 Anti-Rollback Check Valve
• D46850 Relief Valve
• Backhoe Quick Disconnect Couplings
• Pull Behind Quick Disconnect Couplings
• Boom Lockout System
• Hydraulic Cylinders

STEERING

• Track and Suspension System
• Torquing Procedure for Sprocket Mounting Bolts
• Intertrac Rollers

DRIVE TRAIN

• T145 Transmission and Final Drives
• Troubleshooting the Transmission/Converter
• Hydraulic System with a Flowmeter
• Transmission/Converter Hydraulic System
• Diagram – Transmission Removal – Transmission Controls
• Torque Converter
• Charging Pump
• Declutch Lockout
• Drive Shafts

BRAKES

• Master Cylinders, Parking Brakes, Adjustments

ELECTRICAL

• Wiring Diagrams
• Troubleshooting
• Ignition System
• Batteries
• Starter and Starter Solenoid
• Generator and Voltage Regulator

MOUNTED EQUIPMENT

• Loader
• Dozers
• Models 9 and 19 Gearmatic Winches
• Ripper
• Roll-Over Protection Structure
• Models 26 and 26C Backhoes
• Model 32 Backhoe
• Model 33 Backhoe
• Seat and Tank Assembly

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