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A method for anchoring a machine or other load to a foundation requires the use of an adjustable support system. The system includes a base chock having a horizontal floor with an open slot formed in the floor to permit retrofitting around an installed anchor bolt. A frame chock is shaped to rest on

A method for anchoring a machine or other load to a foundation requires the use of an adjustable support system. The system includes a base chock having a horizontal floor with an open slot formed in the floor to permit retrofitting around an installed anchor bolt. A frame chock is shaped to rest on the floor of the base chock; in many applications the frame chock is preferably poured in place around the anchor bolt. A retractable shim carrier, shaped to rest on the floor of the base chock between the floor and the frame chock, likewise has an open slot formed therein for insertion around the anchor bolt. One or more shims of varying thicknesses are shaped like the shim carrier to be inserted as needed, riding upon the shim carrier, between the floor of the base chock and the lower surface of the frame chock. The base chock can include small magnets, (or can be made of magnetic material and magnetized itself), and the shims and shim carrier can include magnetic material, to reduce shim bowing and slippage during installation and operation.

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A method of adjusting the vertical position of a frame or other weight located on a foundation, comprising the steps of: (a) applying a fairing compound to the underside of said frame and to the upper surface of said foundation; (b) leveling a base chock in said fairing compound previously applied t

A method of adjusting the vertical position of a frame or other weight located on a foundation, comprising the steps of: (a) applying a fairing compound to the underside of said frame and to the upper surface of said foundation; (b) leveling a base chock in said fairing compound previously applied to said foundation, said base chock having a tapered upper surface and being located between said frame or other weight and said foundation; (c) applying a nonstick agent to an engine chock, said engine chock having a tapered lower surface; (d) pushing said engine chock between said frame and said base chock to a nominal neutral position at which said frame is adjusted vertically, thereby squeezing out excess fairing compound; (e) allowing said fairing compound to set; (f) removing said engine chock; and (g) sawing off a portion of said engine chock to allow for travel by said engine chock past said neutral position.