Engine:
Diesel engine overhaul, tuning, and diagnostics.
Fuel System:
Diesel fuel system components, injection pump, injectors, troubleshooting.
Cooling System:
Radiator, fan, water pump, thermostat, coolant specifications.
Electrical System:
Wiring diagrams, starter, generator/alternator, battery, ignition (if applicable), lighting.
Clutch:
Clutch assembly, operation, adjustment, and replacement.
Transmission:
Gearbox operation, maintenance, overhaul, and component identification.
Brakes:
Brake system components, hydraulic and mechanical aspects, adjustment, and repair.
Steering System:
Steering mechanism, linkages, and potential adjustments.
Power Steering:
Hydraulic power steering system components, operation, and servicing.
Front System:
Front axle, steering knuckles, and related components.
Differential And Final Drive:
Rear axle differential, final drive units, lubrication, and overhaul.
Power Lift System:
Hydraulic lift system for implements, pump, cylinders, and controls.
Power Take-Off:
PTO operation, maintenance, and potential repair procedures.
Maintenance:
Routine servicing, lubrication, fluid changes, filter replacements.
Repair:
Component disassembly, cleaning, inspection, repair, and reassembly.
Troubleshooting:
Diagnostic procedures for common issues and symptoms.
Tune-Ups:
Engine tuning, carburetor (if applicable) or injection system adjustments, timing.
Rebuilds:
Engine, transmission, and other major component rebuild instructions.
Technical Detail Level:
Detailed step-by-step instructions with technical specifications.
Diagram Quality:
High-quality illustrations, exploded diagrams, drawings, and photos.
Diagnostic Capabilities:
Focus on identifying and resolving mechanical and electrical faults.
Engine Type:
Diesel (Typically 2-stroke or 4-stroke, specific model dependent)
Engine Manufacturer:
Allis-Chalmers (or contracted supplier like Waukesha/Perkins for some models)
Horsepower Range:
Estimated 70-100 HP (Varies by specific D-21, 210, 220 variant)
Torque Specifications:
Specific torque values for engine components would be detailed in the manual.
Injection System:
Likely a Bosch or similar inline injection pump system.
Engine Oil Change:
Typically every 100-250 operating hours, specific interval in manual.
Transmission Fluid Change:
Recommended at specified hour intervals, detailed in manual.
Engine Oil Type:
Diesel engine oil, e.g., API CD or higher, specific viscosity (e.g., 10W-30, 15W-40) per manual.
Hydraulic Fluid Type:
Tractor hydraulic fluid (THF) or equivalent, specific type and grade in manual.
Coolant Type:
Ethylene Glycol based antifreeze with corrosion inhibitors, specific mixture ratio.
Common Wear Points:
Worn clutch components, potential hydraulic system leaks, injector pump wear.
Electrical Issues:
Corroded connections, worn wiring insulation due to age.