Target User:
Designed for both the do-it-yourselfer and the experienced mechanic.
Value Proposition:
Inexpensive way to fix and maintain the vehicle, leading to better understanding and preventative care.
Content Richness:
Contains hundreds of photos and illustrations, guiding through service and repair procedures.
Engine Mechanical:
Detailed procedures for overhaul, repair, and troubleshooting of the engine.
Engine Fuel:
Comprehensive coverage of the fuel injection system, pumps, filters, and adjustments.
Engine Cooling:
Information on radiator, fan, water pump, thermostat, and coolant system maintenance and repair.
Electrical:
Coverage of starting system, charging system, ignition system (if applicable), wiring diagrams, and component testing.
Chassis Drivetrain:
Includes information on clutch, transmission, differential, rear axle, and final drives.
Hydraulic System:
Likely includes details on the hydraulic pump, control valves, cylinders, and associated components for implement control.
Steering System:
Covers steering mechanisms, including power steering components if equipped.
Braking System:
Information on brake actuation, components, and maintenance.
Power Take Off:
Likely includes maintenance and repair procedures for the PTO system.
Troubleshooting:
Diagnostic charts and symptom-based troubleshooting guides.
Routine Maintenance:
Scheduled maintenance tasks, fluid checks, lubrication points, and filter replacements.
Component Removal Installation:
Step-by-step instructions for disassembling and reassembling major components.
Rebuilding Overhaul:
Detailed instructions for complete engine, transmission, and hydraulic system overhauls.
Adjustment Calibration:
Procedures for adjusting critical systems such as fuel injection timing, valve lash, and hydraulic controls.
Depth:
Comprehensive, covering basic maintenance to complete engine and drivetrain rebuilds. Suitable for both DIY and professional mechanics.
Engine Manufacturer:
Allis-Chalmers
Engine Model Family:
Likely a naturally aspirated diesel engine, common for this era and model class.
Engine Displacement:
Exact displacement not provided, but typically in the range of 5.0L - 7.0L for tractors of this power class. Research indicates a 301 cubic inch (4.9L) or 401 cubic inch (6.6L) engine option for the 7000 series.
Horsepower:
Not specified in provided text. Typically in the 100-150 PTO HP range for this class of tractor.
Torque:
Not specified in provided text.
Injection System:
Likely a mechanical direct injection system (e.g., Roosa Master or similar rotary pump).
Engine Oil Change:
Specified in 'PERIODIC MAINTENANCE' section, typically 250-500 hours for diesel tractors of this era.
Fuel Filter Replacement:
Specified in 'PERIODIC MAINTENANCE' section, often based on hours or calendar time.
Hydraulic Fluid Change:
Detailed in 'PERIODIC MAINTENANCE' section, usually annually or based on operating hours.
Engine Oil Type:
Likely SAE 15W-40 or 10W-30 heavy-duty diesel engine oil meeting API CD/CE specifications. Exact specification available in manual.
Hydraulic Fluid Type:
Likely a John Deere J20C specification fluid or equivalent universal tractor transmission fluid (UTTO). Exact specification available in manual.
Coolant Type:
Ethylene glycol-based antifreeze suitable for heavy-duty diesel engines. Specific mix ratio and type (e.g., with or without additives) will be in the manual.
Common Wear Points:
Manual would detail common wear items like clutch plates, PTO splines, hydraulic pump seals, and engine valve guides.
Troubleshooting Common Problems:
Manual likely includes troubleshooting for hard starting, power loss, hydraulic leaks, and transmission shifting issues.
