International Harvester Farmall A, AV, B, BN & U-2 Power Unit Service Manual 1939-1953
Farmall A, AV, B, BN & U-2 Power Unit troubleshooting and repair reference: Engine, transmission, clutch, and electrical systems. PN 57722 D
Manual Preview
Sample pages from the International Harvester Farmall A, AV, B, BN & U-2 Power Unit Service Manual 1939-1953 manual
Purchase & Download
Models Covered & Key Technical Specifications
International Harvester Farmall A, AV, B, BN & U-2 Power Unit (57722 D) -- 1939-1953 Farmall A, AV, B, BN & U-2 Power Unit | Comprehensive Service & Repair Guide Documentation-Set.
- Design Wattage Specs: 18 amp establishes the maximum generator output range.
- Verified Generation Capacity: 16 amp signifies the generator's capacity at 7.7 volts.
- Nominal Burn-in Temperature: 7.6V for hot operation indicates optimal performance.
- Design Enclosure Specs: 18 mm x 7/8 hex determines the spark plug size specification.
- Engineered Fastener Specs: 37 ft. lb. secures the connecting rod bolts properly.
- Essential Electrical Specs: 1.5-inch clearance is required for the idle adjusting screw.
Professional Workshop Service Manual & Technical Specifications
Integrated Performance Assembly Manual: International Harvester Farmall A, AV, B, BN & U-2 Power Unit 1939-1953 - Comprehensive Service & Repair Guide Documentation-Set
System-Identifier: Farmall A, AV, B, BN & U-2 Power Unit // Operational-Scope: Complete Tractor and Power Unit Repair // System-Identifier: Comprehensive Service & Repair Guide
Component Overview
| Component | System-Path | Calibration-Standards |
|---|---|---|
| Engine | 4-Cylinder, 113 cu. in. | 900-1400 RPM Governor Speed |
| Transmission | 4-Speed Forward, 1 Reverse | 2.207 to 13.221 MPH Gears |
| Clutch | Spring-loaded, single-plate | 9-inch Diameter Friction Disc |
| Electrical | Generator & Starter System | 6V System, 5000 RPM Starter |
| Fuel System | Zenith or Marvel-Schebler Carburetor | Updraft, Single-Venturi Type |
Technical content addresses engine specifications, transmission and differential assemblies, electrical systems including generator and starter motor, fuel system components such as carburetors and fuel tanks, and detailed dimensional drawings of various tractor models. It also covers attachments and special features relevant to the Farmall and U-2 power units.
Torque specifications are documented for engine components, including main bearing caps and connecting rods, to ensure proper bearing preload accuracy.
Parts identification is covered for major assemblies, including engine components, transmission gears, and electrical units.
Removal procedures are documented for critical components such as the engine, transmission, differential, and electrical parts.
Technical specifications are provided for engine parameters like bore, stroke, valve clearances, and ignition timing.
Factory specifications are documented for parts like carburetor jets, generator output, and starter motor performance.
FAQ
Customer Reviews
Read what our customers say about this Farmall Tractor manual and share your own experience.
Add a Review
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
- Your name, rating, website address, town, country, state and comment will be publicly displayed if entered.
- Aside from the data entered into these form fields, other stored data about your comment will include:
- Your IP address (not displayed)
- The time/date of your submission (displayed)
- Your email address will not be shared. It is collected for only two reasons:
- Administrative purposes, should a need to contact you arise.
- To inform you of new comments, should you subscribe to receive notifications.
- A cookie may be set on your computer. This is used to remember your inputs. It will expire by itself.
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
- Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time.
- You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.
- You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.
- The administrator has the right to edit, move or remove any comment for any reason and without notice.
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Reviews (5)