SAE J326:2020 free download.Nomenclature-Hydraulic Backhoes.
RATIONALE
SAE J326 has been determined to contain basic and stable technology which is not dynamic in nature.
STABILIZED NOTICE
SAE J326 has been declared “Stabilized” by the SAE MTC1, Loaders, Crawlers, Scrapers and Mounted Attachments Committee and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability of technical requirements. Newer technology may exist.
1. SCOPE
SAE J326 includes hydraulic backhoes which have no more than 190 degrees of rotational swing and are mounted on wteeled tractors and crawler tractors, Illustrations used are not intended to include all existing commercial machines or to be exact descriptions of any particular machine. The illustrations have been chosen to describe the principles to be used in applying this standard.
1.1 Purpose
SAE J326 defines types of hydraulic backhoes and the names of major components and parts peculiar to hydraulic backhoes.
2. REFERENCES
2.1 Applicable Documents
The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply.
2.1.1 ASABE Publications
Available from American Society of Agricultural and Biological Engineers, 2950 Niles Road, St. Joseph, Ml 49085,
ANSI/ASABE AD730 Agricultural wheeled tractors — Rear-mounted three-point linkage — Categories iN, 1, 2N, 2, 3N, 3, 4N, and 4
3. DEFINITIONS
For purposes of SAE J326, hydraulic backhoes are divided into three type classifications dependent on the method of attaching to the machines. The arrangement of backhoe components illustrated is applicable to any of the three types.
3.1 TYPE ABACKHOE
A backhoe designed to be installed on a three-point hitch coupler (refer to ASABE AD730), or equivalent, in which usage1 is as an implement.
3.2 TYPE B BACKHOE
A backhoe designed to be installed on a machine in which usage1 is a basic function of the machine but can be readily
removed and replaced by other tools or equipment.
3.3 TYPECBACKHOE
A backhoe designed to be an integral part of the machine, in which usage1 is a primary function of the machine. Even though the backhoe may be removable, the tractor is not designed to have the backhoe replaced by other tools or equipment.
3.4 BACKHOE DIRECTIONAL REFERENCES
The terms right, left, front, or rear shall be determined from the position of the operator when seated in the backhoe operating position.
4. KEY
1. Bucket
2. Link, Bucket
3. Link, Guide
4. Pin, Bucket Hinge
5. Dipperstick (Extendable or Fixed)
6. Cylinder, Bucket
7. Pin, Dipperstick Hinge
8. Boom
9. Cylinder, Dipperstick
10. Pin, Boom Hinge
11. Cylinder, Boom
12. Frame, Swing
13. Swing Pivot Center Line
14. Actuator, Swing
15. Main Frame
16. Stabilizer (Right or Left)
17. Cylinder, Stabilizer (Right or Left)
18. Pad, Stabilizer (Right or Left)
19. Console, Control
20. Seat
21. Subframe
22. Frame, Side Shift (Sliding)
23. Dipperstick Extension
24. Cylinder, Dipperstick Extension
5. NOTES
5.1 Revision Indicator
A change bar (I) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only.
SAE J326:2020 free download
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