Fiat Allis 21C Dozer Service Manual

• Covers Fiatallis 21C Crawler Dozer (AC HD 21C)
• P/N 73108392
• 1,057 pages
• Downloadable PDF format
• Bookmarked, searchable, printable
• 202mb file size
• Works with Windows/Mac/Tablet/Mobile

The Fiat Allis 21C service manual set download includes over 1,000 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The complete 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 Fiat 21C crawler dozer. In addition to all machine systems, diesel engine/fuel repair information is included. This manual can be downloaded instantly to your computer, tablet or smartphone.

For the operation and maintenance manual, click here.

Free 21C Spec Sheet.

Topics:

Engine (21000 Mark II)

• Description and Specifications
• Cooling System
• Engine Electrical
• Fuel System and Accessory Drive
• Air Cleaner and Intake Manifold
• Exhaust Manifold and Turbocharger
• Valves, Valve Operating Mechanism and Cylinder Heads
• Front End and Gear Train
• Flywheel and Ring Gear; Flywheel Housing and Crankshaft Rear Oil Seal
• Lubricating System
• Camshaft and Camshaft Bearings
• Pistons, Piston Rings, Connecting Rods and Connecting Rod Bearings
• Crankshaft and Crankshaft Gear, Main Bearings and Main Bearing Caps
• Cylinder Block and Cylinder Sleeves
• Engine Removal and Installation
• Engine Disassembly and Assembly
• Fits and Tolerances; Standard Torque Wrench Specifications and Stud Heights; Specific Application Torque Values
• Troubleshooting
• Fuel and Lubricant Specifications

Airesearch T-18 Turbocharger

• Description and Operation
• Maintenance
• Removal, Disassembly, Cleaning, Inspection, Assembly and Installation
• Troubleshooting
• Service Tools

Transmission

• General Description
• Lubricant Specifications, Capacity and Service
• Troubleshooting
• Pressure and Flow Checking
• Hydraulic System Components
• Input Clutch and Torque Converter
• Transmission Mechanical
• Bevel Gear and Shaft
• Drive Shaft Universal Joint
• Fits and Tolerances
• Service Tools

Steering Clutches and Brakes

• General Description and Oil Flow Schematics
• Steering and Brake System Lubricant Specifications, Capacity and Service
• Troubleshooting
• Pressure Checking
• Hydraulic System
• Steering Clutches
• Brakes
• Fits and Tolerances
• Service Tools

Final Drives

• General Information
• Lubricant Specifications and Capacity
• Troubleshooting
• Final Drive Repair
• Final Drive Lubrication System
• Fits and Tolerances
• Service Tools

Undercarriage and Tracks

• General Description
• Lubricant Specifications and Capacity
• Prolonging Undercarriage Lift
• Undercarriage Alignment Checks
• Track – Unsealed
• Track – Sealed and Lubricated
• Track Idlers
• Track Carrier Rollers
• Track Rollers
• Track Release
• Frame
• Oscillating Beam
• Sprocket Segments
• Rebuild Dimensions
• Fits and Tolerances
• Service Tools

Hydraulics and Hydraulics w/ Power Assist

• Hydraulic System Specifications, Capacity and Service
• Hydraulic Component Functions and Circuit Oil Flows
• Troubleshooting
• Hydraulic Pump
• Hydraulic Control Valves
• Hydraulic Cylinders
• Dozer and Ripper Removal and Installation
• Torque Values
• Service Tools

Electrical System

• General Description
• Troubleshooting
• Charging Circuit
• Starting Circuit
• Accessory Circuits
• Batteries
• Electrical Schematics

Cab

• General Description
• Tilting Cab
• Operating Cab Accessories
• Services, Specifications and Capacities
• Cab Electrical
• Glass
• Insulation
• Air Conditioning
• Tilt Cylinder Repairs
• Specified Torques and Adjustments
• Service Tools

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