Case W3, 420B Loader Backhoe Service Manual

• Covers Case W3 & 420B Loader Backhoe, Gas and Diesel
• P/N 9-70451
• 592 pages
• Downloadable PDF format
• 102mb file size
• Works with Windows/Mac/Tablet/Mobile

The Case W3 and 420B service manual includes nearly 600 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 and printable PDF format, and is ideal for mechanics repairing or overhauling the Case W3 or 420B tractor loader and backhoe. 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.

Topics:

TRACTOR SPECIFICATIONS

• SPECIFICATIONS
• TRACTOR SERIAL NUMBER LOCATION
• ENGINE LUBRICATION
• TRACTOR LUBRICATION
• FUEL SPECIFICATIONS (GAS/DIESEL)

SPLITTING TRACTOR

• REMOVING BACKHOE
• REMOVING LOADER
• TOOLS FOR SPLITTING TRACTOR
• TRACTOR SHROUD, HOOD, ETC
• SPLITTING TRACTOR AT FRONT OF TRANSMISSION
• SPLITTING TRACTOR AT REAR OF ENGINE
• SPLITTING TRACTOR AT FRONT OF ENGINE
• FUEL TANK
• REAR FENDERS AND STEP PLATES

GAS ENGINE

• ENGINE SPECIFICATIONS
• TORQUE WRENCH RECOMMENDATIONS
• CYLINDER HEAD ASSEMBLY
• TIMING GEAR COVER
• ENGINE LUBRICATING SYSTEM
• WATER PUMP
• COOLING SYSTEM
• CAMSHAFT
• CRANKSHAFT
• CRANKSHAFT BEARINGS
• CONNECTING RODS AND PISTONS
• CYLINDER SLEEVES
• GASOLINE FUEL SYSTEM
• ZENITH CARBURETOR
• MARVEL SCHEBLER CARBURETOR
• GOVERNOR LINKAGE
• IGNITION TIMING
• GASOLINE ENGINE TROUBLE SHOOTING CHART

DIESEL ENGINE

• ENGINE SPECIFICATIONS
• TORQUE WRENCH RECOMMENDATIONS
• FUEL FILTERING SYSTEM
• FUEL INJECTION PUMP AND TIMING
• C.A.V. FUEL INJECTORS
• NOZZLE TROUBLE SHOOTING CHART
• CYLINDER HEAD ASSEMBLY
• ENGINE LUBRICATING SYSTEM
• WATER PUMP
• COOLING SYSTEM
• ENGINE RUN-IN PROCEDURE
• CHECKING CYLINDER COMPRESSION
• CONNECTING RODS, PISTONS, AND CYLINDER SLEEVES
• CRANKSHAFT AND MAIN BEARINGS
• CAMSHAFT AND PUSH ROD LIFTERS
• TIMING GEAR COVER
• TIMING GEAR TRAIN AND INJECTION PUMP DRIVE
• CRANKSHAFT PILOT BUSHING AND REAR OIL SEAL
• AIR CLEANER
• THROTTLE ASSEMBLY
• ELECTRICAL SYSTEM
• WIRING DIAGRAM
• DIAGNOSING TROUBLE
• DIESEL ENGINE TROUBLE SHOOTING CHART
• AUTHORIZED CAV SERVICE STATIONS (INJECTORS)
• AUTHORIZED ROOSA-MASTER SALES AND SERVICE AGENCIES (PUMP)

SERVICING TORQUE CONVERTER

• GENERAL SPECIFICATIONS
• GENERAL INFORMATION
• TORQUE CONVERTER HYDRAULIC SYSTEM
• TORQUE CONVERTER PRESSURE CHECKS
• TORQUE CONVERTER CONTROL VALVES
• TORQUE CONVERTER PRESSURE REGULATOR
• TORQUE CONVERTER ASSEMBLY
• TORQUE CONVERTER OIL SUPPLY PUMP
• TORQUE CONVERTER SCHEMATIC ILLUSTRATIONS
• TORQUE CONVERTER TROUBLESHOOTING CHART
• ASSEMBLY OF ADAPTER PLATE TO TORQUE TUBE
• RADIATOR

FOUR SPEED TRANSMISSION AND REAR AXLE ASSEMBLY

• GEAR SHIFT COVER
• REVERSE IDLER GEAR
• MAIN DRIVE SHAFT
• PINION SHAFT
• DIFFERENTIAL ASSEMBLY
• DIFFERENTIAL BRAKES
• REAR AXLE AND FINAL DRIVE GEARS

DUAL-RANGE ASSEMBLY

• DUAL RANGE CONTROL COVER
• DUAL RANGE TRANSMISSION

SHUTTLE ASSEMBLY

• SHUTTLE CONTROL COVER
• SHUTTLE TRANSMISSION

LOADER AND BACKHOE

• W3 LOADER AND BACKHOE
• SCHEMATIC ILLUSTRATIONS
• HYDRAULIC SYSTEM TROUBLESHOOTING

SERVICING THE POWER STEERING PUMP

SERVICING THE GEAR TYPE HYDRAULIC PUMP

SERVICING THE HYDRAULIC POWER SHUTTLE

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