Assembly for attachment to a vehicle for performing a work operation

摘要

An assembly for adjusting first and second portions of a vehicle relative to each other, the assembly having a main frame adapted to be secured on the first portion of the vehicle in fixed relation thereto with the second portion of the vehicle above the main frame in an unadjusted relationship; a subframe mounted on the main frame in upstanding relation adjacent to the second portion of the vehicle; and a belt interconnecting the main frame and subframe and being tensionable to engage the second portion of the vehicle in supporting relation thereto.