Method and apparatus for removing antenna bearings

Details Method and apparatus for removing antenna bearings Method and apparatus for removing antenna bearings

1993-03-01

1994-08-09

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Disassembling

294261, 29244, 292815, 29283, 254134, B23P 1900, B23P 1904, B66F 300, B25B 2714

Patent

active

053354079

ABSTRACT:
A support hinge is installed between the elevation and azimuth housings of the antenna pedestal. A jack is installed between these same housings at a location opposite to that at which the hinge is located. The elevation housing is then raised by means of the jack so that it pivotally moves upwardly on the hinge. A winch is installed on the support hinge so that it is capable of lateral pivotal motion. A bearing adapter having a plurality of arms extending therefrom is suspended from the winch and lowered until it is in contact with the bearing. Bolts are then used to join each of the arms to a threaded portion of the bearing. The bearing is then lifted out of the azimuth housing, swung pivotally away from such housing and lowered from the antenna pedestal. A new bearing is installed by reversing the above indicated procedure.

REFERENCES:
patent: 2213766 (1940-09-01), Johnson
patent: 4027365 (1977-06-01), Froeliger
patent: 4239196 (1980-12-01), Hanger
patent: 4674168 (1987-06-01), Bittner

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