Case 850D, 855D Dozer Service Manual

• Covers Case 850D, 855D Crawler Dozer
• P/N 8-42191
• 1,422 pages
• Downloadable PDF format
• Bookmarked, searchable, printable
• 377mb file size
• Works with Windows/Mac/Tablet/Mobile

The Case 850D and 855D service manual includes specifications, step-by-step instructions and accurate illustrations to aid mechanics with any mechanical, electrical or hydraulic repairs. The complete service manual was carefully reproduced from the original dealer manual into a clear, searchable and printable PDF format and is essential for mechanics repairing or rebuilding the dozer to the manufacturer’s standards.

Latest edition w/ large format schematics.

Topics:

GENERAL INFORMATION

• Safety Rules, Service Manual Introduction
• Torque Specifications
• Maintenance and Lubrication
• Detailed Engine Specifications

ENGINE

• Engine and Radiator Removal and Installation
• Engine Accessories – Air Cleaner, Ether Injection System, Muffler, Turbocharger, and Torque Converter
• Engine Stall Tests
• Cylinder Head and Valve Train
• Cylinder Block, Pistons, Rods, Camshaft, Main Bearings, Oil Seals, Flywheel and Crankshaft
• Lubrication System
• Cooling System
• Turbocharger
• Turbocharger Failure Analysis

FUEL SYSTEM

• Fuel Lines, Fuel Tank, and Engine Controls
• Fuel System and Filters
• Bosch Fuel Injection Pump, Drive Gear, and Timing
• Fuel Filters

ELECTRICAL

• Removal and Installation of Electrical Components
• Electrical System Specifications and Troubleshooting
• Wiring Diagrams
• Gauges
• Batteries
• Starter and Starter Solenoid
• Delco-Remy Alternator
• 45 Amp Alternator A186124 or A187916

TRACK

• Inspection of Track System Components
• Case Lubricated Track
• Standard Track and Track Frame
• Idler, Track Adjuster, and Recoil Housing
• Sprocket
• Carrier Roller
• Track Rollers

POWER TRAIN

• Transmission/Torque Converter Diagram and Troubleshooting
• Charging Pump
• Transmission Control Valve
• Modulator Valve
• Removal and Installation of Torque Converter
• Torque Converter
• Transmission
• Final Drive
• Transmission Controls
• Drive Shaft

BRAKES

• Brake Pedals, Removal and Installation of Master Cylinder, Adjustment and Removing Air From Brake System
• Master Cylinder
• Brake

HYDRAULICS

• Hydraulic Diagrams, Troubleshooting and Pressure Checks
• Cleaning the Hydraulic System
• Rexroth Hydraulic Pump
• Vickers Hydraulic Pump
• Equipment Control Valve
• Cylinders
• Backhoe Control Valve
• Removal and Installation of Stabilizer Control Valve
• Stabilizer Control Valve

MOUNTED EQUIPMENT

• Air Conditioning Troubleshooting
• Air Conditioning System
• Loader
• Blade on Dozer Models
• Ripper
• ROPS Cab and Canopy
• Operators Seat and Seat Belt
• Suspension Seat
• Backhoe
• Winch

FOLDOUT POSTERS

• Wiring Diagram
• Hydraulic Schematic for Dozer
• Hydraulic Schematic for Loader

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